/* roulang page: index */
:root{
  --bg-deep:#121212;
  --bg-panel:#1c1c1e;
  --bg-soft:#232326;
  --gold:#c5a059;
  --gold-bright:#ffbf00;
  --gold-soft:#d4ac0d;
  --text-main:#f5f5f7;
  --text-dim:#b9b9c0;
  --border-line:rgba(197,160,89,.28);
  --radius-lg:18px;
  --radius-md:12px;
  --radius-sm:8px;
  --shadow-card:0 10px 30px rgba(0,0,0,.45);
  --shadow-gold:0 6px 24px rgba(197,160,89,.25);
  --transition:all .25s ease;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-deep);
  color:var(--text-main);
  font-family:"Segoe UI","Helvetica Neue",Arial,"Noto Sans",sans-serif;
  line-height:1.65;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--gold);text-decoration:none;transition:var(--transition)}
a:hover{color:var(--gold-bright)}
img{max-width:100%;display:block}
h1,h2,h3,h4{font-weight:700;line-height:1.3;color:var(--text-main)}
.section-pad{padding:72px 0}
.section-kicker{
  display:inline-block;font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--gold-bright);border:1px solid var(--border-line);
  padding:5px 14px;border-radius:999px;margin-bottom:14px;background:rgba(197,160,89,.08);
}
.section-title{font-size:2rem;margin-bottom:12px}
.section-desc{color:var(--text-dim);max-width:680px;margin-bottom:0}
.neon-line{width:64px;height:3px;background:linear-gradient(90deg,var(--gold),var(--gold-bright));border-radius:3px;margin:16px 0 8px;box-shadow:0 0 12px rgba(255,191,0,.55)}

/* ===== Navbar ===== */
.site-nav{
  position:fixed;top:0;left:0;right:0;z-index:1040;
  background:rgba(18,18,18,.92);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border-line);
}
.site-nav .nav-inner{display:flex;align-items:center;gap:16px;padding:12px 0}
.brand-logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.05rem;color:var(--text-main);white-space:nowrap}
.brand-logo:hover{color:var(--gold-bright)}
.brand-logo .brand-ico{
  width:38px;height:38px;border-radius:10px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--gold),var(--gold-bright));
  display:flex;align-items:center;justify-content:center;color:#121212;font-size:1.1rem;
  box-shadow:var(--shadow-gold);
}
.brand-logo small{display:block;font-size:.68rem;font-weight:500;color:var(--gold-soft);letter-spacing:.06em}
.nav-panel{
  display:flex;align-items:center;gap:8px;margin-left:auto;
  background:var(--bg-panel);border:1px solid var(--border-line);
  border-radius:14px;padding:6px;
}
.nav-panel a{
  display:flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:10px;color:var(--text-dim);font-weight:600;font-size:.92rem;
}
.nav-panel a i{color:var(--gold);font-size:.85rem}
.nav-panel a:hover{background:rgba(197,160,89,.12);color:var(--text-main)}
.nav-panel a.active{background:linear-gradient(135deg,rgba(197,160,89,.22),rgba(255,191,0,.14));color:var(--gold-bright);border:1px solid var(--border-line)}
.nav-auth{display:flex;align-items:center;gap:10px;margin-left:14px}
.btn-login{color:var(--text-main);font-weight:600;font-size:.92rem;padding:8px 10px;background:none;border:none}
.btn-login:hover{color:var(--gold-bright)}
.btn-signup{
  background:linear-gradient(135deg,var(--gold),var(--gold-bright));
  color:#121212;font-weight:800;font-size:.92rem;
  padding:9px 20px;border-radius:10px;border:none;
  box-shadow:var(--shadow-gold);white-space:nowrap;
}
.btn-signup:hover{transform:translateY(-2px);box-shadow:0 10px 28px rgba(255,191,0,.4);color:#121212}
.btn-signup:active{transform:translateY(0) scale(.97)}
@media (max-width:991.98px){
  .nav-panel{display:none}
  .nav-auth{margin-left:auto}
  .mobile-cats{display:flex}
}
.mobile-cats{
  display:none;gap:8px;overflow-x:auto;padding:8px 12px;
  background:var(--bg-panel);border-top:1px solid var(--border-line);
}
@media (max-width:991.98px){.mobile-cats{display:flex}}
.mobile-cats a{
  flex:0 0 auto;font-size:.82rem;font-weight:600;color:var(--text-dim);
  border:1px solid var(--border-line);border-radius:999px;padding:6px 14px;background:var(--bg-soft);
}
.mobile-cats a.active,.mobile-cats a:hover{color:var(--gold-bright);background:rgba(197,160,89,.14)}

/* ===== Hero ===== */
.hero{
  position:relative;padding:170px 0 90px;text-align:center;
  background:linear-gradient(rgba(18,18,18,.82),rgba(18,18,18,.94)),url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
  border-bottom:1px solid var(--border-line);
}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:3px;
  background:linear-gradient(90deg,transparent,var(--gold-bright),transparent);
  box-shadow:0 0 18px rgba(255,191,0,.6);
}
.hero h1{font-size:2.4rem;max-width:900px;margin:0 auto 18px}
.hero h1 .gold{background:linear-gradient(90deg,var(--gold),var(--gold-bright));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lead{color:var(--text-dim);max-width:720px;margin:0 auto 28px;font-size:1.05rem}
.hero-search{
  max-width:620px;margin:0 auto 22px;display:flex;
  background:var(--bg-panel);border:1px solid var(--border-line);border-radius:14px;overflow:hidden;
  box-shadow:var(--shadow-card);
}
.hero-search input{
  flex:1;background:transparent;border:none;color:var(--text-main);
  padding:15px 20px;font-size:.98rem;outline:none;
}
.hero-search input::placeholder{color:#7c7c85}
.hero-search button{
  border:none;background:linear-gradient(135deg,var(--gold),var(--gold-bright));
  color:#121212;font-weight:800;padding:0 26px;font-size:.95rem;
}
.hero-search button:hover{filter:brightness(1.08)}
.hero-chips{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-bottom:30px}
.hero-chips a{
  font-size:.85rem;font-weight:600;color:var(--text-dim);
  border:1px solid var(--border-line);border-radius:999px;padding:7px 16px;background:rgba(28,28,30,.7);
}
.hero-chips a:hover{color:var(--gold-bright);border-color:var(--gold-bright);box-shadow:0 0 12px rgba(255,191,0,.25)}
.hero-stats{display:flex;justify-content:center;gap:34px;flex-wrap:wrap}
.hero-stats .stat b{display:block;font-size:1.5rem;color:var(--gold-bright)}
.hero-stats .stat span{font-size:.85rem;color:var(--text-dim)}

/* ===== Entry matrix ===== */
.game-card{
  position:relative;background:var(--bg-panel);border:1px solid var(--border-line);
  border-radius:var(--radius-lg);overflow:hidden;transition:var(--transition);height:100%;
}
.game-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-gold);border-color:var(--gold-bright)}
.game-card .cover{position:relative;aspect-ratio:16/9;overflow:hidden}
.game-card .cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.game-card:hover .cover img{transform:scale(1.06)}
.game-card .cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 45%,rgba(18,18,18,.9))}
.game-tag{
  position:absolute;top:12px;left:12px;z-index:2;
  background:linear-gradient(135deg,#d32f2f,#ff5252);color:#fff;
  font-size:.7rem;font-weight:800;letter-spacing:.08em;padding:4px 12px;border-radius:999px;
}
.game-tag.gold{background:linear-gradient(135deg,var(--gold),var(--gold-bright));color:#121212}
.game-card .body{padding:18px 20px 22px}
.game-card h3{font-size:1.05rem;margin-bottom:6px}
.game-card p{color:var(--text-dim);font-size:.88rem;margin-bottom:14px}
.game-card .play{
  display:inline-flex;align-items:center;gap:8px;font-size:.85rem;font-weight:700;color:var(--gold-bright);
}
.game-card .play i{transition:transform .25s}
.game-card:hover .play i{transform:translateX(4px)}

/* ===== Promo ladder ===== */
.ladder-row{display:flex;gap:18px;flex-wrap:wrap}
.ladder-step{
  flex:1;min-width:220px;position:relative;
  background:var(--bg-panel);border:1px solid var(--border-line);border-radius:var(--radius-lg);
  padding:26px 22px;transition:var(--transition);
}
.ladder-step:hover{border-color:var(--gold-bright);box-shadow:var(--shadow-gold);transform:translateY(-4px)}
.ladder-step .lv{
  font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--gold-soft);font-weight:700;
}
.ladder-step .amount{font-size:1.6rem;font-weight:800;color:var(--gold-bright);margin:6px 0 8px}
.ladder-step p{color:var(--text-dim);font-size:.88rem;margin-bottom:16px}
.ladder-step.featured{background:linear-gradient(160deg,rgba(197,160,89,.18),var(--bg-panel));border-color:var(--gold-bright)}
.ladder-step .badge-hot{
  position:absolute;top:-11px;right:16px;background:#d32f2f;color:#fff;
  font-size:.68rem;font-weight:800;padding:3px 12px;border-radius:999px;letter-spacing:.08em;
}
.btn-ghost{
  display:inline-block;border:1px solid var(--gold);color:var(--gold-bright);
  padding:8px 20px;border-radius:10px;font-weight:700;font-size:.88rem;background:transparent;
}
.btn-ghost:hover{background:rgba(197,160,89,.15);color:var(--gold-bright)}

/* ===== Milestones ===== */
.timeline{position:relative;padding-left:28px}
.timeline::before{content:"";position:absolute;left:8px;top:6px;bottom:6px;width:2px;background:linear-gradient(180deg,var(--gold),transparent)}
.tl-item{position:relative;padding:0 0 30px 22px}
.tl-item::before{
  content:"";position:absolute;left:-27px;top:6px;width:14px;height:14px;border-radius:50%;
  background:var(--bg-deep);border:3px solid var(--gold-bright);box-shadow:0 0 10px rgba(255,191,0,.5);
}
.tl-item .tl-year{font-size:.8rem;font-weight:800;color:var(--gold-bright);letter-spacing:.1em}
.tl-item h3{font-size:1.05rem;margin:4px 0 6px}
.tl-item p{color:var(--text-dim);font-size:.9rem;margin:0}
.milestone-img{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--border-line);box-shadow:var(--shadow-card)}
.milestone-img img{width:100%;height:100%;object-fit:cover}

/* ===== News ===== */
.news-list{list-style:none;margin:0;padding:0}
.news-list li{
  display:flex;align-items:center;gap:14px;
  padding:15px 6px;border-bottom:1px solid rgba(197,160,89,.14);
}
.news-list li:hover{background:rgba(197,160,89,.05)}
.news-list .n-cat{
  flex:0 0 auto;font-size:.7rem;font-weight:800;letter-spacing:.06em;color:var(--gold-bright);
  border:1px solid var(--border-line);border-radius:6px;padding:3px 10px;text-transform:uppercase;
}
.news-list .n-title{flex:1;min-width:0}
.news-list .n-title a{color:var(--text-main);font-weight:600;font-size:.95rem;display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.news-list .n-title a:hover{color:var(--gold-bright)}
.news-list .n-date{flex:0 0 auto;font-size:.8rem;color:#8a8a92}
.news-empty{color:var(--text-dim);padding:24px 6px;border:1px dashed var(--border-line);border-radius:var(--radius-md);text-align:center}
.side-promo{
  background:linear-gradient(160deg,rgba(197,160,89,.16),var(--bg-panel));
  border:1px solid var(--border-line);border-radius:var(--radius-lg);padding:26px;height:100%;
}
.side-promo h3{font-size:1.15rem;margin-bottom:10px}
.side-promo p{color:var(--text-dim);font-size:.9rem}
.side-promo .code-box{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  background:#121212;border:1px dashed var(--gold);border-radius:10px;padding:12px 16px;margin:16px 0;
}
.side-promo .code-box b{color:var(--gold-bright);letter-spacing:.14em;font-size:1.05rem}

/* ===== Trust ===== */
.trust-item{display:flex;gap:16px;align-items:flex-start;padding:8px 0}
.trust-item .t-ico{
  flex:0 0 auto;width:48px;height:48px;border-radius:12px;
  background:rgba(197,160,89,.12);border:1px solid var(--border-line);
  display:flex;align-items:center;justify-content:center;color:var(--gold-bright);font-size:1.1rem;
}
.trust-item h3{font-size:1rem;margin-bottom:4px}
.trust-item p{color:var(--text-dim);font-size:.88rem;margin:0}
.pay-badges{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}
.pay-badges span{
  font-size:.8rem;font-weight:700;color:var(--text-main);
  border:1px solid var(--border-line);border-radius:8px;padding:7px 14px;background:var(--bg-panel);
  display:inline-flex;align-items:center;gap:7px;
}
.pay-badges span i{color:var(--gold-bright)}

/* ===== Testimonials ===== */
.bubble{
  background:var(--bg-panel);border:1px solid var(--border-line);border-radius:var(--radius-lg);
  padding:22px;position:relative;height:100%;transition:var(--transition);
}
.bubble:hover{border-color:var(--gold);transform:translateY(-4px)}
.bubble p{color:var(--text-dim);font-size:.9rem;margin-bottom:16px}
.bubble .who{display:flex;align-items:center;gap:12px}
.bubble .avatar{
  width:40px;height:40px;border-radius:50%;flex:0 0 auto;
  background:linear-gradient(135deg,var(--gold),var(--gold-bright));
  display:flex;align-items:center;justify-content:center;color:#121212;font-weight:800;
}
.bubble .who b{font-size:.9rem;display:block}
.bubble .who span{font-size:.78rem;color:#8a8a92}
.bubble .stars{color:var(--gold-bright);font-size:.75rem;margin-bottom:10px}

/* ===== FAQ ===== */
.accordion-item{background:var(--bg-panel)!important;border:1px solid var(--border-line)!important;border-radius:var(--radius-md)!important;margin-bottom:12px;overflow:hidden}
.accordion-button{background:var(--bg-panel)!important;color:var(--text-main)!important;font-weight:700;font-size:.98rem;box-shadow:none!important;padding:18px 22px}
.accordion-button:not(.collapsed){color:var(--gold-bright)!important;background:rgba(197,160,89,.08)!important}
.accordion-button::after{filter:invert(70%) sepia(60%) saturate(500%) hue-rotate(5deg)}
.accordion-body{color:var(--text-dim);font-size:.92rem;padding:18px 22px;border-top:1px solid rgba(197,160,89,.14)}

/* ===== App / CTA ===== */
.app-band{
  background:linear-gradient(rgba(18,18,18,.88),rgba(18,18,18,.94)),url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
  border-top:1px solid var(--border-line);border-bottom:1px solid var(--border-line);
}
.app-steps{list-style:none;padding:0;margin:22px 0 0}
.app-steps li{display:flex;gap:14px;align-items:flex-start;margin-bottom:16px}
.app-steps .num{
  flex:0 0 auto;width:32px;height:32px;border-radius:50%;
  background:linear-gradient(135deg,var(--gold),var(--gold-bright));color:#121212;font-weight:800;
  display:flex;align-items:center;justify-content:center;font-size:.9rem;
}
.app-steps p{margin:0;color:var(--text-dim);font-size:.92rem}
.app-steps b{color:var(--text-main)}
.store-btns{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}
.store-btn{
  display:inline-flex;align-items:center;gap:12px;background:var(--bg-panel);
  border:1px solid var(--border-line);border-radius:12px;padding:11px 20px;color:var(--text-main);font-weight:700;font-size:.9rem;
}
.store-btn i{font-size:1.4rem;color:var(--gold-bright)}
.store-btn:hover{border-color:var(--gold-bright);color:var(--gold-bright);box-shadow:var(--shadow-gold)}

/* ===== Final CTA ===== */
.final-cta{text-align:center}
.final-cta h2{font-size:2rem}
.final-cta p{color:var(--text-dim);max-width:640px;margin:14px auto 26px}

/* ===== Footer ===== */
.site-footer{background:#0d0d0d;border-top:1px solid var(--border-line);padding:56px 0 26px}
.site-footer h4{font-size:.95rem;color:var(--gold-bright);letter-spacing:.08em;text-transform:uppercase;margin-bottom:16px}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer li{margin-bottom:9px}
.site-footer a{color:var(--text-dim);font-size:.9rem}
.site-footer a:hover{color:var(--gold-bright)}
.site-footer .f-desc{color:var(--text-dim);font-size:.88rem}
.footer-bottom{
  border-top:1px solid rgba(197,160,89,.14);margin-top:38px;padding-top:20px;
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;align-items:center;
}
.footer-bottom small{color:#8a8a92}
.badge-18{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:50%;border:2px solid #d32f2f;color:#ff6b6b;font-weight:800;font-size:.8rem;
}

/* ===== FAB ===== */
.fab-support{
  position:fixed;left:16px;bottom:96px;z-index:1050;
  width:58px;height:58px;border-radius:50%;
  background:radial-gradient(circle at 35% 30%,#2a2a2e,#121212);
  border:3px solid var(--gold-bright);
  display:flex;align-items:center;justify-content:center;
  color:var(--gold-bright);font-size:1.35rem;
  box-shadow:0 4px 20px rgba(255,215,0,.3);
  opacity:.72;animation:fabFloat 3s ease-in-out infinite;
}
.fab-support:hover{opacity:1;transform:scale(1.1);color:var(--gold-bright)}
.fab-support:hover i{transform:rotate(360deg)}
.fab-support i{transition:transform .5s ease}
.fab-support:active{transform:scale(.95) translateY(2px)}
.fab-support .dot{
  position:absolute;top:2px;right:2px;width:12px;height:12px;border-radius:50%;
  background:#d32f2f;box-shadow:0 0 8px #d32f2f;animation:dotBlink 1.4s infinite;
}
@keyframes fabFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}
@keyframes dotBlink{0%,100%{opacity:1}50%{opacity:.3}}

/* ===== Responsive ===== */
@media (max-width:1024px){
  .section-pad{padding:56px 0}
  .hero h1{font-size:2rem}
}
@media (max-width:768px){
  .hero{padding:150px 0 64px}
  .hero h1{font-size:1.6rem}
  .section-title{font-size:1.55rem}
  .hero-stats{gap:22px}
  .ladder-row{flex-direction:column}
}
@media (max-width:520px){
  body{font-size:15px}
  .hero h1{font-size:1.35rem}
  .hero-search input{padding:12px 14px}
  .hero-search button{padding:0 16px;font-size:.85rem}
  .btn-signup{padding:8px 14px;font-size:.85rem}
  .brand-logo small{display:none}
  .brand-logo{font-size:.9rem}
  .news-list .n-date{display:none}
  .final-cta h2{font-size:1.45rem}
  .footer-bottom{justify-content:center;text-align:center}
}
a:focus-visible,button:focus-visible{outline:2px solid var(--gold-bright);outline-offset:2px}

/* roulang page: article */
:root{
  --bg-deep:#121212;
  --bg-soft:#1c1c1e;
  --bg-panel:#232326;
  --gold:#c5a059;
  --gold-bright:#ffbf00;
  --gold-soft:#d4ac0d;
  --text-main:#f5f5f7;
  --text-dim:#b8b8bf;
  --line:rgba(197,160,89,.22);
  --radius:14px;
  --radius-sm:10px;
  --shadow-card:0 10px 30px rgba(0,0,0,.45);
  --shadow-gold:0 0 18px rgba(255,191,0,.22);
  --trans:all .25s ease;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:'Be Vietnam Pro',system-ui,-apple-system,sans-serif;
  background:var(--bg-deep);
  color:var(--text-main);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--gold-bright);text-decoration:none;transition:var(--trans)}
a:hover{color:#ffd766}
button{font-family:inherit}
.container{max-width:1180px}

/* ===== Header / Nav panel ===== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1030;
  background:rgba(18,18,18,.92);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;padding:12px 0;
}
.brand-logo{
  display:inline-flex;align-items:center;gap:10px;
  font-weight:800;font-size:1.02rem;color:var(--text-main);line-height:1.15;
}
.brand-logo:hover{color:var(--gold-bright)}
.brand-logo small{
  display:block;font-size:.66rem;font-weight:600;color:var(--gold);letter-spacing:.4px;
}
.brand-ico{
  width:42px;height:42px;flex:0 0 42px;border-radius:12px;
  display:grid;place-items:center;font-size:1.15rem;color:#121212;
  background:linear-gradient(135deg,var(--gold-bright),var(--gold));
  box-shadow:var(--shadow-gold);
}
.nav-panel{
  display:flex;align-items:center;gap:6px;
  background:var(--bg-panel);
  border:1px solid var(--line);
  border-radius:999px;
  padding:6px;
  box-shadow:var(--shadow-card);
}
.nav-panel a{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 18px;border-radius:999px;
  font-size:.9rem;font-weight:600;color:var(--text-dim);
  white-space:nowrap;
}
.nav-panel a i{font-size:.82rem;color:var(--gold)}
.nav-panel a:hover{color:var(--text-main);background:rgba(197,160,89,.12)}
.nav-panel a.active{
  color:#121212;background:linear-gradient(135deg,var(--gold-bright),var(--gold));
  box-shadow:var(--shadow-gold);
}
.nav-panel a.active i{color:#121212}
.auth-box{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.btn-login{
  background:none;border:none;color:var(--text-main);
  font-weight:600;font-size:.9rem;padding:8px 6px;cursor:pointer;
}
.btn-login:hover{color:var(--gold-bright)}
.btn-signup{
  display:inline-block;border:none;cursor:pointer;
  background:linear-gradient(135deg,var(--gold-bright),var(--gold));
  color:#121212;font-weight:800;font-size:.9rem;
  padding:10px 22px;border-radius:999px;
  box-shadow:var(--shadow-gold);transition:var(--trans);
}
.btn-signup:hover{transform:translateY(-2px);box-shadow:0 0 26px rgba(255,191,0,.4);color:#000}

/* ===== Article hero ===== */
.article-hero{
  margin-top:78px;
  position:relative;
  background:url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
  min-height:380px;
  display:flex;align-items:flex-end;
}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(18,18,18,.55) 0%,rgba(18,18,18,.82) 55%,var(--bg-deep) 100%);
}
.hero-content{position:relative;z-index:2;padding:70px 0 42px}
.breadcrumb-line{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:.82rem;color:var(--text-dim);margin-bottom:16px;
}
.breadcrumb-line i{font-size:.6rem;color:var(--gold)}
.breadcrumb-line a{color:var(--gold)}
.cat-chip{
  display:inline-flex;align-items:center;gap:6px;
  background:rgba(255,191,0,.14);border:1px solid var(--line);
  color:var(--gold-bright);font-size:.76rem;font-weight:700;
  padding:5px 14px;border-radius:999px;letter-spacing:.5px;
  margin-bottom:14px;
}
.article-hero h1{
  font-size:2.15rem;font-weight:800;line-height:1.3;
  max-width:860px;margin:0 0 16px;
}
.meta-row{
  display:flex;flex-wrap:wrap;gap:20px;
  font-size:.85rem;color:var(--text-dim);
}
.meta-row span{display:inline-flex;align-items:center;gap:8px}
.meta-row i{color:var(--gold)}

/* ===== Article layout ===== */
.article-wrap{padding:48px 0 20px}
.article-grid{
  display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:44px;align-items:start;
}
.article-body{font-size:1.02rem;color:#e6e6ea}
.article-body h2{
  font-size:1.5rem;font-weight:800;color:var(--text-main);
  margin:2.1em 0 .7em;padding-left:14px;
  border-left:4px solid var(--gold-bright);
}
.article-body h3{font-size:1.2rem;font-weight:700;color:var(--gold-bright);margin:1.7em 0 .6em}
.article-body p{margin:0 0 1.15em}
.article-body ul,.article-body ol{padding-left:1.3em;margin:0 0 1.2em}
.article-body li{margin-bottom:.5em}
.article-body img{border-radius:var(--radius);margin:1.4em 0;box-shadow:var(--shadow-card)}
.article-body a{border-bottom:1px dashed rgba(255,191,0,.5)}
.article-body blockquote{
  margin:1.6em 0;padding:20px 24px;
  background:var(--bg-soft);border-left:4px solid var(--gold);
  border-radius:0 var(--radius) var(--radius) 0;
  color:var(--text-dim);font-style:italic;
}
.article-body table{
  width:100%;border-collapse:collapse;margin:1.4em 0;font-size:.94rem;
}
.article-body th,.article-body td{
  border:1px solid var(--line);padding:10px 14px;text-align:left;
}
.article-body th{background:var(--bg-panel);color:var(--gold-bright)}

.pull-quote{
  position:relative;margin:0 0 34px;padding:26px 28px 26px 64px;
  background:linear-gradient(135deg,rgba(197,160,89,.12),rgba(28,28,30,.9));
  border:1px solid var(--line);border-radius:var(--radius);
  font-size:1.06rem;font-weight:500;color:var(--text-main);
}
.pull-quote i{
  position:absolute;left:22px;top:24px;font-size:1.5rem;color:var(--gold-bright);opacity:.85;
}

/* Not found */
.not-found{
  text-align:left;padding:46px 40px;
  background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius);
}
.not-found .nf-ico{
  width:64px;height:64px;border-radius:16px;display:grid;place-items:center;
  background:rgba(255,191,0,.12);color:var(--gold-bright);font-size:1.6rem;margin-bottom:18px;
}
.not-found h2{font-size:1.4rem;font-weight:800;margin-bottom:10px}
.not-found p{color:var(--text-dim);margin-bottom:22px}

/* ===== Sidebar ===== */
.side-block{
  background:var(--bg-soft);border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;margin-bottom:26px;
}
.side-block .sb-head{
  padding:16px 20px;border-bottom:1px solid var(--line);
  font-weight:800;font-size:.98rem;display:flex;align-items:center;gap:10px;
}
.sb-head i{color:var(--gold-bright)}
.side-block .sb-body{padding:18px 20px}
.side-cover{position:relative}
.side-cover img{width:100%;height:170px;object-fit:cover}
.side-cover::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 40%,rgba(18,18,18,.85));
}
.hot-list{list-style:none;margin:0;padding:0}
.hot-list li{
  display:flex;align-items:center;gap:12px;
  padding:11px 0;border-bottom:1px dashed rgba(197,160,89,.16);
  font-size:.9rem;
}
.hot-list li:last-child{border-bottom:none}
.hot-list .rank{
  width:26px;height:26px;flex:0 0 26px;border-radius:8px;
  display:grid;place-items:center;font-size:.78rem;font-weight:800;
  background:var(--bg-panel);color:var(--gold);border:1px solid var(--line);
}
.hot-list li:first-child .rank{
  background:linear-gradient(135deg,var(--gold-bright),var(--gold));color:#121212;border:none;
}
.hot-list a{color:var(--text-dim);flex:1}
.hot-list a:hover{color:var(--gold-bright)}
.side-cta{
  background:linear-gradient(150deg,#2a2114,var(--bg-soft));
  text-align:left;
}
.side-cta .sb-body p{color:var(--text-dim);font-size:.88rem;margin-bottom:16px}
.code-pill{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  border:1px dashed var(--gold);border-radius:var(--radius-sm);
  padding:11px 16px;margin-bottom:16px;
  font-weight:800;letter-spacing:2px;color:var(--gold-bright);
  background:rgba(255,191,0,.06);
}
.code-pill small{letter-spacing:0;font-weight:600;color:var(--text-dim)}

/* ===== Promo strip / CTA ===== */
.promo-strip{
  margin:54px 0;
  border-radius:var(--radius);overflow:hidden;position:relative;
  background:url('/assets/images/backpic/back-3.jpg') center/cover no-repeat;
}
.promo-strip::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(18,18,18,.94) 0%,rgba(18,18,18,.72) 60%,rgba(18,18,18,.5) 100%);
}
.promo-inner{
  position:relative;z-index:2;padding:44px 46px;
  display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap;
}
.promo-inner h2{font-size:1.55rem;font-weight:800;margin:0 0 8px}
.promo-inner p{color:var(--text-dim);margin:0;max-width:560px}
.promo-inner h2 em{font-style:normal;color:var(--gold-bright)}

/* ===== Explore cards ===== */
.section-head{margin:0 0 26px}
.section-head .kicker{
  font-size:.76rem;font-weight:700;letter-spacing:2px;color:var(--gold);
  text-transform:uppercase;display:block;margin-bottom:6px;
}
.section-head h2{font-size:1.6rem;font-weight:800;margin:0}
.explore-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--bg-soft);border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;transition:var(--trans);
}
.explore-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-gold);border-color:var(--gold)}
.explore-card img{height:190px;width:100%;object-fit:cover}
.explore-card .ec-body{padding:22px;display:flex;flex-direction:column;flex:1}
.explore-card h3{font-size:1.08rem;font-weight:800;margin:0 0 10px;color:var(--text-main)}
.explore-card p{font-size:.9rem;color:var(--text-dim);margin:0 0 18px;flex:1}
.ec-link{font-weight:700;font-size:.9rem;display:inline-flex;align-items:center;gap:8px}
.ec-link i{transition:var(--trans)}
.explore-card:hover .ec-link i{transform:translateX(4px)}

/* ===== FAB ===== */
.fab-support{
  position:fixed;left:16px;bottom:96px;z-index:1050;
  display:flex;align-items:center;gap:10px;
  min-width:48px;min-height:48px;
  padding:12px 18px;border-radius:999px;
  background:rgba(0,0,0,.6);backdrop-filter:blur(8px);
  border:2px solid transparent;
  background-image:linear-gradient(rgba(0,0,0,.75),rgba(0,0,0,.75)),linear-gradient(135deg,var(--gold-bright),#ff6a00);
  background-origin:border-box;background-clip:padding-box,border-box;
  color:var(--gold-bright);font-weight:700;font-size:.86rem;
  opacity:.65;box-shadow:0 0 15px rgba(255,191,0,.45);
  transition:var(--trans);
}
.fab-support i{font-size:1.15rem}
.fab-support:hover{opacity:1;box-shadow:0 0 26px rgba(255,191,0,.65);color:#ffd766;transform:scale(1.06)}
.fab-support:active{transform:scale(.95)}
.fab-support .fab-dot{
  position:absolute;top:-3px;right:-3px;width:12px;height:12px;border-radius:50%;
  background:#ff2d2d;animation:blink 1.2s infinite;
}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.25}}

/* ===== Footer ===== */
.site-footer{
  margin-top:70px;background:var(--bg-soft);
  border-top:1px solid var(--line);padding:54px 0 0;
}
.site-footer h4{
  font-size:.95rem;font-weight:800;color:var(--gold-bright);margin-bottom:16px;
}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer ul li{margin-bottom:10px}
.site-footer ul a{color:var(--text-dim);font-size:.9rem}
.site-footer ul a:hover{color:var(--gold-bright)}
.f-desc{color:var(--text-dim);font-size:.88rem;line-height:1.7}
.pay-badges{display:flex;flex-wrap:wrap;gap:10px}
.pay-badges span{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--bg-panel);border:1px solid var(--line);
  padding:8px 15px;border-radius:999px;
  font-size:.82rem;font-weight:600;color:var(--text-main);
}
.pay-badges i{color:var(--gold-bright)}
.footer-bottom{
  margin-top:40px;padding:20px 0;
  border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  color:var(--text-dim);
}
.badge-18{
  display:inline-grid;place-items:center;width:36px;height:36px;border-radius:50%;
  border:2px solid var(--gold);color:var(--gold-bright);
  font-size:.72rem;font-weight:800;
}

/* ===== Responsive ===== */
@media (max-width:1024px){
  .article-grid{grid-template-columns:1fr;gap:36px}
  .article-hero h1{font-size:1.8rem}
  .nav-panel a{padding:8px 13px;font-size:.84rem}
}
@media (max-width:768px){
  .header-inner{flex-wrap:wrap;justify-content:center;row-gap:8px}
  .nav-panel{order:3;width:100%;justify-content:center;overflow-x:auto}
  .article-hero{min-height:300px;margin-top:118px}
  .hero-content{padding:46px 0 32px}
  .promo-inner{padding:32px 26px}
  .article-hero h1{font-size:1.5rem}
}
@media (max-width:520px){
  .brand-logo span small{display:none}
  .brand-logo{font-size:.9rem}
  .nav-panel a{padding:8px 10px;font-size:.78rem}
  .nav-panel a i{display:none}
  .btn-signup{padding:9px 16px;font-size:.82rem}
  .article-hero h1{font-size:1.28rem}
  .article-body{font-size:.96rem}
  .promo-inner h2{font-size:1.25rem}
  .fab-support span{display:none}
  .fab-support{padding:12px 14px}
  .not-found{padding:32px 22px}
}

/* roulang page: category1 */
:root{
  --jade-deep:#0A2E1C;
  --jade-mid:#123E25;
  --jade-soft:#1A5233;
  --gold:#FFD700;
  --gold-bright:#FFD700;
  --gold-dim:#C9A94E;
  --red:#D32F2F;
  --white:#FFFFFF;
  --mint:#D1F2EB;
  --mint-dim:#9CC9BC;
  --line:rgba(255,215,0,.22);
  --line-soft:rgba(209,242,235,.12);
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 12px 34px rgba(0,0,0,.4);
  --shadow-gold:0 6px 24px rgba(255,215,0,.18);
  --trans:all .25s ease;
}
*,*::before,*::after{box-sizing:border-box}
body{
  margin:0;
  font-family:'Be Vietnam Pro',system-ui,-apple-system,sans-serif;
  background:var(--jade-deep);
  color:var(--mint);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--gold);text-decoration:none;transition:var(--trans)}
a:hover{color:#ffe766}
h1,h2,h3,h4{color:var(--white);font-weight:800;line-height:1.25}
.container{max-width:1180px}
::selection{background:var(--gold);color:var(--jade-deep)}

/* ============ HEADER / NAV PANEL ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1030;
  background:linear-gradient(180deg,rgba(6,26,15,.97),rgba(10,46,28,.93));
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:18px;padding:10px 0}
.brand-logo{display:flex;align-items:center;gap:10px;font-weight:900;color:var(--white);white-space:nowrap}
.brand-logo:hover{color:var(--gold)}
.brand-ico{
  width:42px;height:42px;flex:0 0 42px;border-radius:12px;
  display:grid;place-items:center;font-size:19px;color:var(--jade-deep);
  background:linear-gradient(135deg,#ffe66b,var(--gold) 55%,#b8860b);
  box-shadow:var(--shadow-gold);
}
.brand-logo span:not(.brand-ico){display:flex;flex-direction:column;font-size:16px;line-height:1.15}
.brand-logo small{font-size:10.5px;font-weight:600;color:var(--gold-dim);letter-spacing:.4px}
.nav-panel{
  display:flex;align-items:center;gap:6px;margin-left:auto;
  background:rgba(18,62,37,.85);
  border:1px solid var(--line-soft);
  border-radius:14px;padding:5px;
}
.nav-panel a{
  display:flex;align-items:center;gap:8px;
  padding:9px 15px;border-radius:10px;
  color:var(--mint);font-weight:600;font-size:14px;white-space:nowrap;
}
.nav-panel a i{font-size:13px;color:var(--gold-dim)}
.nav-panel a:hover{background:rgba(255,215,0,.1);color:var(--white)}
.nav-panel a.active{
  background:linear-gradient(135deg,#ffe66b,var(--gold));
  color:var(--jade-deep);box-shadow:var(--shadow-gold);
}
.nav-panel a.active i{color:var(--jade-deep)}
.auth-box{display:flex;align-items:center;gap:10px}
.btn-login{color:var(--mint);font-weight:700;font-size:14px;padding:8px 6px}
.btn-login:hover{color:var(--gold)}
.btn-signup{
  display:inline-flex;align-items:center;gap:8px;
  background:linear-gradient(135deg,var(--red),#a51616);
  color:var(--white);font-weight:800;font-size:14px;
  padding:10px 20px;border-radius:12px;border:1px solid rgba(255,215,0,.45);
  box-shadow:0 6px 18px rgba(211,47,47,.4);transition:var(--trans);
}
.btn-signup:hover{transform:translateY(-2px);color:var(--white);box-shadow:0 10px 24px rgba(211,47,47,.55)}

/* ============ HERO / BANNER ============ */
.cat-hero{
  padding:150px 0 70px;position:relative;overflow:hidden;
  background:linear-gradient(100deg,rgba(6,26,15,.96) 30%,rgba(10,46,28,.78) 60%,rgba(6,26,15,.55)),url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
}
.cat-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:3px;
  background:linear-gradient(90deg,transparent,var(--gold),var(--red),var(--gold),transparent);
}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--mint-dim);margin-bottom:18px;font-weight:600}
.crumb i{font-size:10px;color:var(--gold-dim)}
.crumb a{color:var(--mint-dim)}
.crumb a:hover{color:var(--gold)}
.crumb strong{color:var(--gold);font-weight:700}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(211,47,47,.18);border:1px solid rgba(211,47,47,.5);
  color:#ffb3b3;font-size:12.5px;font-weight:700;letter-spacing:.6px;
  padding:7px 15px;border-radius:100px;margin-bottom:18px;
}
.cat-hero h1{font-size:44px;font-weight:900;max-width:640px;margin-bottom:18px}
.cat-hero h1 em{font-style:normal;color:var(--gold)}
.hero-sub{font-size:17px;color:var(--mint);max-width:600px;margin-bottom:28px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.btn-gold{
  display:inline-flex;align-items:center;gap:10px;
  background:linear-gradient(135deg,#ffe66b,var(--gold) 55%,#e0b400);
  color:var(--jade-deep);font-weight:800;font-size:16px;
  padding:14px 30px;border-radius:14px;border:none;
  box-shadow:var(--shadow-gold);transition:var(--trans);
}
.btn-gold:hover{transform:translateY(-3px);color:var(--jade-deep);box-shadow:0 12px 32px rgba(255,215,0,.35)}
.btn-ghost{
  display:inline-flex;align-items:center;gap:10px;
  color:var(--white);font-weight:700;font-size:15px;
  padding:13px 26px;border-radius:14px;
  border:1.5px solid var(--line);background:rgba(10,46,28,.5);transition:var(--trans);
}
.btn-ghost:hover{border-color:var(--gold);color:var(--gold);background:rgba(255,215,0,.06)}
.hero-side{
  background:rgba(6,26,15,.72);border:1px solid var(--line);
  border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);
}
.hero-side h3{font-size:16px;display:flex;align-items:center;gap:10px;margin-bottom:16px}
.hero-side h3 i{color:var(--gold)}
.route-item{display:flex;gap:14px;padding:11px 0;border-bottom:1px dashed var(--line-soft)}
.route-item:last-child{border-bottom:none}
.route-num{
  width:30px;height:30px;flex:0 0 30px;border-radius:50%;
  display:grid;place-items:center;font-size:13px;font-weight:800;
  background:rgba(255,215,0,.14);color:var(--gold);border:1px solid var(--line);
}
.route-item p{margin:0;font-size:13.5px;color:var(--mint)}
.route-item p b{color:var(--white);display:block;font-size:14px}

/* ============ SECTION BASE ============ */
.section{padding:76px 0}
.section-dark{background:var(--jade-mid)}
.sec-kicker{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--gold);font-size:12.5px;font-weight:800;letter-spacing:1.5px;
  text-transform:uppercase;margin-bottom:12px;
}
.sec-kicker::before{content:"";width:26px;height:2px;background:var(--gold)}
.sec-title{font-size:32px;font-weight:900;margin-bottom:14px}
.sec-lead{color:var(--mint-dim);font-size:15.5px;max-width:640px;margin-bottom:0}

/* ============ PAIN POINTS ============ */
.pain-list{display:flex;flex-direction:column;gap:0;margin-top:8px}
.pain-item{display:flex;gap:18px;padding:20px 0;border-bottom:1px solid var(--line-soft)}
.pain-item:last-child{border-bottom:none}
.pain-ico{
  width:46px;height:46px;flex:0 0 46px;border-radius:12px;
  display:grid;place-items:center;font-size:18px;
  background:rgba(211,47,47,.14);color:#ff8a80;border:1px solid rgba(211,47,47,.4);
}
.pain-item h3{font-size:17px;margin-bottom:6px}
.pain-item p{margin:0;font-size:14.5px;color:var(--mint-dim)}
.pain-figure{position:relative;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.pain-figure img{width:100%;height:100%;object-fit:cover;min-height:380px}
.pain-figure::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 45%,rgba(6,26,15,.9));
}
.pain-figure figcaption{
  position:absolute;left:22px;right:22px;bottom:20px;z-index:2;
  color:var(--white);font-weight:700;font-size:15px;
}
.pain-figure figcaption span{color:var(--gold)}

/* ============ GUIDE GRID (poster cards) ============ */
.guide-card{
  background:var(--jade-deep);border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;height:100%;
  transition:var(--trans);position:relative;
}
.guide-card:hover{transform:translateY(-6px);box-shadow:var(--shadow),var(--shadow-gold);border-color:var(--gold)}
.guide-thumb{position:relative;overflow:hidden}
.guide-thumb img{width:100%;height:190px;object-fit:cover;transition:transform .4s ease}
.guide-card:hover .guide-thumb img{transform:scale(1.06)}
.guide-flag{
  position:absolute;top:12px;left:12px;z-index:2;
  background:var(--red);color:var(--white);font-size:11px;font-weight:800;
  letter-spacing:.8px;padding:4px 11px;border-radius:100px;
  box-shadow:0 4px 12px rgba(211,47,47,.5);
}
.guide-flag.is-gold{background:linear-gradient(135deg,#ffe66b,var(--gold));color:var(--jade-deep)}
.guide-body{padding:20px 20px 22px}
.guide-body h3{font-size:17.5px;margin-bottom:9px}
.guide-body p{font-size:13.8px;color:var(--mint-dim);margin-bottom:14px}
.guide-meta{display:flex;align-items:center;gap:14px;font-size:12.5px;color:var(--gold-dim);font-weight:600}
.guide-meta i{margin-right:5px}

/* ============ STEPS ============ */
.step-row{position:relative;counter-reset:step}
.step-card{
  position:relative;padding:26px 22px 24px 22px;height:100%;
  background:rgba(6,26,15,.6);border:1px solid var(--line-soft);
  border-radius:var(--radius);transition:var(--trans);
}
.step-card:hover{border-color:var(--gold);background:rgba(6,26,15,.85)}
.step-badge{
  width:44px;height:44px;border-radius:12px;margin-bottom:16px;
  display:grid;place-items:center;font-size:18px;font-weight:900;
  background:linear-gradient(135deg,#ffe66b,var(--gold));color:var(--jade-deep);
  box-shadow:var(--shadow-gold);
}
.step-card h3{font-size:16.5px;margin-bottom:8px}
.step-card p{font-size:13.8px;color:var(--mint-dim);margin:0}

/* ============ STATS ============ */
.stat-strip{
  background:linear-gradient(120deg,rgba(255,215,0,.1),rgba(211,47,47,.08));
  border:1px solid var(--line);border-radius:var(--radius);
  padding:36px 30px;
}
.stat-item{border-left:2px solid var(--gold);padding-left:18px}
.stat-item strong{display:block;font-size:34px;font-weight:900;color:var(--gold);line-height:1.1}
.stat-item span{font-size:13.5px;color:var(--mint);font-weight:600}

/* ============ TESTIMONIALS ============ */
.tm-card{
  background:var(--jade-deep);border:1px solid var(--line-soft);
  border-radius:var(--radius);padding:26px;height:100%;transition:var(--trans);
}
.tm-card:hover{border-color:var(--gold);box-shadow:var(--shadow)}
.tm-stars{color:var(--gold);font-size:13px;margin-bottom:14px;letter-spacing:2px}
.tm-card blockquote{font-size:14.5px;color:var(--mint);margin:0 0 18px;font-style:italic}
.tm-user{display:flex;align-items:center;gap:12px}
.tm-avatar{
  width:42px;height:42px;border-radius:50%;
  display:grid;place-items:center;font-weight:900;font-size:15px;
  background:linear-gradient(135deg,var(--jade-soft),var(--jade-mid));
  color:var(--gold);border:1.5px solid var(--gold-dim);
}
.tm-user b{color:var(--white);font-size:14px;display:block}
.tm-user small{color:var(--mint-dim);font-size:12px}

/* ============ FAQ ============ */
.faq-wrap .accordion-item{
  background:rgba(6,26,15,.6);border:1px solid var(--line-soft);
  border-radius:var(--radius-sm)!important;margin-bottom:12px;overflow:hidden;
}
.faq-wrap .accordion-button{
  background:transparent;color:var(--white);font-weight:700;font-size:15.5px;
  padding:18px 22px;box-shadow:none;
}
.faq-wrap .accordion-button:not(.collapsed){color:var(--gold);background:rgba(255,215,0,.05)}
.faq-wrap .accordion-button::after{filter:invert(80%) sepia(60%) saturate(500%) hue-rotate(2deg)}
.faq-wrap .accordion-button:focus{box-shadow:0 0 0 2px rgba(255,215,0,.35)}
.faq-wrap .accordion-body{color:var(--mint-dim);font-size:14.3px;padding:4px 22px 20px}

/* ============ CTA ============ */
.cta-final{
  position:relative;text-align:center;border-radius:20px;overflow:hidden;
  padding:66px 30px;
  background:linear-gradient(120deg,rgba(6,26,15,.93),rgba(10,46,28,.82)),url('/assets/images/backpic/back-3.jpg') center/cover no-repeat;
  border:1px solid var(--line);box-shadow:var(--shadow);
}
.cta-final h2{font-size:32px;font-weight:900;margin-bottom:14px}
.cta-final h2 em{font-style:normal;color:var(--gold)}
.cta-final p{color:var(--mint);max-width:560px;margin:0 auto 26px;font-size:15.5px}
.pay-badges{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:24px}
.pay-badges span{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(209,242,235,.08);border:1px solid var(--line-soft);
  color:var(--mint);font-size:13px;font-weight:700;
  padding:8px 16px;border-radius:100px;
}
.pay-badges span i{color:var(--gold)}

/* ============ FOOTER ============ */
.site-footer{background:#061A0F;border-top:1px solid var(--line);padding:56px 0 0;margin-top:0}
.site-footer h4{font-size:14px;color:var(--gold);letter-spacing:1px;text-transform:uppercase;margin-bottom:16px;font-weight:800}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer ul li{margin-bottom:10px}
.site-footer ul a{color:var(--mint-dim);font-size:14px}
.site-footer ul a:hover{color:var(--gold)}
.f-desc{font-size:13.5px;color:var(--mint-dim);line-height:1.7}
.site-footer .pay-badges{justify-content:flex-start}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
  border-top:1px solid var(--line-soft);margin-top:44px;padding:22px 0;
}
.footer-bottom small{color:var(--mint-dim);font-size:12.5px}
.badge-18{
  display:inline-grid;place-items:center;width:36px;height:36px;border-radius:50%;
  border:2px solid var(--red);color:#ff8a80;font-weight:900;font-size:12px;
}

/* ============ FAB ============ */
.fab-lucky{
  position:fixed;left:16px;bottom:96px;z-index:1050;
  width:60px;height:60px;border-radius:50%;
  display:grid;place-items:center;font-size:22px;color:var(--gold);
  background:radial-gradient(circle at 32% 28%,#2a1010,#150808 70%);
  border:3px solid var(--gold);
  box-shadow:0 4px 20px rgba(255,215,0,.3),inset 0 0 10px rgba(255,215,0,.15);
  opacity:.72;transition:var(--trans);animation:fabFloat 3.2s ease-in-out infinite;
}
.fab-lucky:hover{opacity:1;transform:scale(1.1);color:var(--gold)}
.fab-lucky:hover i{transform:rotate(360deg)}
.fab-lucky:active{transform:scale(.95) translateY(2px)}
.fab-lucky i{transition:transform .5s ease}
.fab-lucky::after{
  content:"";position:absolute;top:2px;right:4px;
  width:11px;height:11px;border-radius:50%;
  background:var(--red);box-shadow:0 0 8px var(--red);
  animation:blink 1.4s infinite;
}
@keyframes fabFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-7px)}}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.25}}

/* ============ RESPONSIVE ============ */
@media (max-width:1024px){
  .cat-hero h1{font-size:36px}
  .sec-title{font-size:28px}
  .nav-panel a{padding:9px 11px;font-size:13px}
}
@media (max-width:768px){
  .header-inner{flex-wrap:wrap;gap:10px;padding:10px 0}
  .brand-logo{order:1}
  .auth-box{order:2;margin-left:auto}
  .nav-panel{order:3;width:100%;margin-left:0;overflow-x:auto}
  .nav-panel a{flex:1;justify-content:center}
  .cat-hero{padding:180px 0 56px}
  .cat-hero h1{font-size:30px}
  .section{padding:56px 0}
  .stat-item{margin-bottom:20px}
  .pain-figure img{min-height:280px}
}
@media (max-width:520px){
  .brand-logo small{display:none}
  .brand-logo span:not(.brand-ico){font-size:14px}
  .btn-signup{padding:9px 14px;font-size:13px}
  .btn-login{font-size:13px}
  .cat-hero h1{font-size:26px}
  .hero-sub{font-size:15px}
  .sec-title{font-size:24px}
  .cta-final h2{font-size:24px}
  .cta-final{padding:48px 20px}
  .stat-item strong{font-size:28px}
  .fab-lucky{width:52px;height:52px;font-size:19px;bottom:88px}
}

/* roulang page: category2 */
:root{
  --bg-deep:#121212;
  --bg-panel:#1c1c1e;
  --bg-soft:#232326;
  --gold:#c5a059;
  --gold-bright:#ffbf00;
  --red-hot:#e53935;
  --text-main:#f5f5f7;
  --text-dim:#b9b3a4;
  --line:rgba(197,160,89,.22);
  --radius-lg:18px;
  --radius-md:12px;
  --radius-sm:8px;
  --shadow-card:0 10px 30px rgba(0,0,0,.45);
  --shadow-gold:0 4px 20px rgba(255,191,0,.18);
}
*,*::before,*::after{box-sizing:border-box}
body{
  margin:0;
  background:var(--bg-deep);
  color:var(--text-main);
  font-family:"Segoe UI","Helvetica Neue",Arial,"Noto Sans",sans-serif;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--gold-bright);text-decoration:none;transition:color .2s ease}
a:hover{color:#ffd76a}
h1,h2,h3,h4{font-weight:700;line-height:1.25;color:var(--text-main)}
.section-pad{padding:72px 0}
.section-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--gold-bright);font-weight:600;margin-bottom:14px;
}
.section-kicker::before{content:"";width:26px;height:2px;background:linear-gradient(90deg,var(--gold-bright),transparent)}
.neon-line{height:2px;border:0;margin:0;background:linear-gradient(90deg,var(--gold-bright),rgba(255,191,0,.05));opacity:.7}

/* ===== Header / Nav ===== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1030;
  background:rgba(18,18,18,.92);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:18px;padding:10px 0}
.brand-logo{display:inline-flex;align-items:center;gap:10px;color:var(--text-main);font-weight:800;font-size:1.02rem;line-height:1.15}
.brand-logo:hover{color:var(--gold-bright)}
.brand-logo small{display:block;font-size:.66rem;font-weight:500;color:var(--gold);letter-spacing:.04em}
.brand-ico{
  width:40px;height:40px;flex:0 0 40px;border-radius:10px;
  display:grid;place-items:center;font-size:1.05rem;color:#121212;
  background:linear-gradient(135deg,var(--gold-bright),var(--gold));
  box-shadow:var(--shadow-gold);
}
.nav-panel{
  display:flex;align-items:center;gap:6px;margin-left:auto;
  background:var(--bg-panel);border:1px solid var(--line);
  border-radius:14px;padding:6px;
}
.nav-panel a{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;border-radius:10px;font-size:.88rem;font-weight:600;
  color:var(--text-dim);transition:all .2s ease;white-space:nowrap;
}
.nav-panel a i{font-size:.8rem;color:var(--gold)}
.nav-panel a:hover{color:var(--text-main);background:rgba(197,160,89,.1)}
.nav-panel a.active{
  color:#121212;background:linear-gradient(135deg,var(--gold-bright),var(--gold));
  box-shadow:var(--shadow-gold);
}
.nav-panel a.active i{color:#121212}
.header-auth{display:flex;align-items:center;gap:10px;margin-left:12px}
.btn-login{color:var(--text-main);font-weight:600;font-size:.88rem;padding:8px 6px}
.btn-login:hover{color:var(--gold-bright)}
.btn-signup{
  display:inline-flex;align-items:center;gap:8px;
  background:linear-gradient(135deg,var(--gold-bright),var(--gold));
  color:#121212;font-weight:800;font-size:.88rem;
  padding:9px 18px;border-radius:10px;border:0;
  box-shadow:var(--shadow-gold);transition:transform .18s ease,box-shadow .18s ease;
}
.btn-signup:hover{color:#121212;transform:translateY(-2px);box-shadow:0 8px 26px rgba(255,191,0,.3)}
.btn-signup:active{transform:translateY(0) scale(.97)}

/* ===== Page banner ===== */
.page-banner{
  margin-top:64px;
  background:linear-gradient(180deg,rgba(18,18,18,.55),rgba(18,18,18,.92)),url("/assets/images/backpic/back-2.jpg") center/cover no-repeat;
  border-bottom:1px solid var(--line);
  padding:64px 0 52px;
}
.banner-crumb{font-size:.82rem;color:var(--text-dim);margin-bottom:12px}
.banner-crumb a{color:var(--gold)}
.page-banner h1{font-size:2.15rem;max-width:760px;margin-bottom:14px}
.page-banner h1 span{color:var(--gold-bright)}
.banner-lead{max-width:680px;color:var(--text-dim);font-size:1.02rem;margin-bottom:22px}
.banner-actions{display:flex;flex-wrap:wrap;gap:12px}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;
  border:1px solid var(--gold);color:var(--gold-bright);
  padding:11px 20px;border-radius:10px;font-weight:700;font-size:.92rem;
  transition:all .2s ease;background:transparent;
}
.btn-ghost:hover{background:rgba(255,191,0,.1);color:#ffd76a}
.btn-gold{
  display:inline-flex;align-items:center;gap:8px;
  background:linear-gradient(135deg,var(--gold-bright),var(--gold));
  color:#121212;padding:11px 22px;border-radius:10px;font-weight:800;font-size:.92rem;
  box-shadow:var(--shadow-gold);transition:transform .18s ease,box-shadow .18s ease;border:0;
}
.btn-gold:hover{color:#121212;transform:translateY(-2px);box-shadow:0 10px 28px rgba(255,191,0,.32)}
.btn-gold:active{transform:scale(.97)}
.banner-stats{display:flex;flex-wrap:wrap;gap:26px;margin-top:30px}
.banner-stats .stat b{display:block;font-size:1.5rem;color:var(--gold-bright);font-weight:800}
.banner-stats .stat span{font-size:.8rem;color:var(--text-dim)}

/* ===== Pain section ===== */
.pain-wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.pain-list{list-style:none;margin:22px 0 0;padding:0}
.pain-list li{
  display:flex;gap:14px;padding:14px 0;border-bottom:1px dashed rgba(197,160,89,.18);
  color:var(--text-dim);font-size:.96rem;
}
.pain-list li:last-child{border-bottom:0}
.pain-list i{color:var(--red-hot);margin-top:4px;font-size:.9rem}
.pain-list b{color:var(--text-main)}
.pain-figure{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-card)}
.pain-figure img{width:100%;height:380px;object-fit:cover}
.pain-figure figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:18px 20px;
  background:linear-gradient(180deg,transparent,rgba(18,18,18,.94));
  font-size:.85rem;color:var(--text-dim);
}
.pain-figure figcaption b{color:var(--gold-bright)}

/* ===== Code grid ===== */
.codes-section{background:var(--bg-panel);border-block:1px solid var(--line)}
.code-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:34px}
.code-card{
  background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.code-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-card);border-color:rgba(255,191,0,.5)}
.code-cover{position:relative}
.code-cover img{width:100%;height:170px;object-fit:cover}
.code-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 45%,rgba(18,18,18,.85))}
.code-tag{
  position:absolute;top:12px;left:12px;z-index:2;
  font-size:.68rem;font-weight:800;letter-spacing:.06em;text-transform:uppercase;
  padding:4px 10px;border-radius:20px;color:#fff;background:var(--red-hot);
}
.code-tag.gold{background:linear-gradient(135deg,var(--gold-bright),var(--gold));color:#121212}
.code-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.code-body h3{font-size:1.06rem;margin:0}
.code-body p{margin:0;font-size:.88rem;color:var(--text-dim);flex:1}
.code-chip{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  background:rgba(255,191,0,.08);border:1px dashed var(--gold);
  border-radius:var(--radius-sm);padding:9px 12px;font-size:.9rem;
}
.code-chip code{color:var(--gold-bright);font-weight:800;letter-spacing:.08em;font-size:.95rem}
.code-chip small{color:var(--text-dim);font-size:.72rem}
.code-meta{display:flex;gap:14px;font-size:.76rem;color:var(--text-dim)}
.code-meta i{color:var(--gold);margin-right:5px}

/* ===== Steps ===== */
.steps-flow{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:36px;counter-reset:step}
.step-item{position:relative;padding:22px 20px 20px;background:var(--bg-panel);border:1px solid var(--line);border-radius:var(--radius-md)}
.step-item::before{
  counter-increment:step;content:"0" counter(step);
  display:block;font-size:1.6rem;font-weight:800;color:var(--gold-bright);
  margin-bottom:10px;font-family:Georgia,serif;
}
.step-item h3{font-size:.98rem;margin-bottom:8px}
.step-item p{font-size:.85rem;color:var(--text-dim);margin:0}
.step-item::after{
  content:"\f054";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;right:-14px;top:50%;transform:translateY(-50%);
  color:var(--gold);font-size:.8rem;
}
.step-item:last-child::after{display:none}
.steps-note{margin-top:22px;display:flex;align-items:flex-start;gap:10px;font-size:.86rem;color:var(--text-dim)}
.steps-note i{color:var(--gold-bright);margin-top:3px}

/* ===== Results / proof ===== */
.proof-section{background:linear-gradient(180deg,rgba(28,28,30,.6),rgba(18,18,18,1)),url("/assets/images/backpic/back-3.jpg") center/cover no-repeat;border-block:1px solid var(--line)}
.proof-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:34px}
.proof-card{background:rgba(18,18,18,.72);border:1px solid var(--line);border-radius:var(--radius-md);padding:22px 20px;backdrop-filter:blur(4px)}
.proof-card b{display:block;font-size:1.7rem;color:var(--gold-bright);font-weight:800}
.proof-card span{font-size:.84rem;color:var(--text-dim)}
.testi-row{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:40px}
.testi-card{background:rgba(28,28,30,.85);border:1px solid var(--line);border-radius:var(--radius-md);padding:22px}
.testi-card .stars{color:var(--gold-bright);font-size:.8rem;margin-bottom:10px}
.testi-card p{font-size:.9rem;color:var(--text-main);margin:0 0 14px}
.testi-card .who{display:flex;align-items:center;gap:10px;font-size:.8rem;color:var(--text-dim)}
.testi-card .who i{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:rgba(255,191,0,.12);color:var(--gold-bright)}

/* ===== FAQ ===== */
.faq-wrap{max-width:820px}
.accordion-item{background:var(--bg-panel)!important;border:1px solid var(--line)!important;border-radius:var(--radius-md)!important;margin-bottom:12px;overflow:hidden}
.accordion-button{background:var(--bg-panel);color:var(--text-main);font-weight:700;font-size:.96rem;padding:18px 20px;box-shadow:none!important}
.accordion-button:not(.collapsed){background:rgba(255,191,0,.07);color:var(--gold-bright)}
.accordion-button::after{filter:invert(70%) sepia(60%) saturate(500%) hue-rotate(360deg)}
.accordion-body{color:var(--text-dim);font-size:.9rem;padding:16px 20px 20px}

/* ===== CTA ===== */
.cta-final{
  text-align:center;
  background:radial-gradient(ellipse at center,rgba(255,191,0,.1),transparent 65%),var(--bg-panel);
  border-block:1px solid var(--line);
}
.cta-final h2{font-size:1.8rem;margin-bottom:14px}
.cta-final p{max-width:600px;margin:0 auto 26px;color:var(--text-dim)}
.pay-badges{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:26px}
.pay-badges span{
  display:inline-flex;align-items:center;gap:8px;
  border:1px solid var(--line);border-radius:20px;padding:7px 16px;
  font-size:.8rem;color:var(--text-dim);background:rgba(18,18,18,.6);
}
.pay-badges span i{color:var(--gold-bright)}

/* ===== Footer ===== */
.site-footer{background:#0e0e0e;border-top:1px solid var(--line);padding:56px 0 24px}
.site-footer h4{font-size:.88rem;letter-spacing:.1em;text-transform:uppercase;color:var(--gold);margin-bottom:16px}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer ul li{margin-bottom:10px}
.site-footer ul a{color:var(--text-dim);font-size:.88rem}
.site-footer ul a:hover{color:var(--gold-bright)}
.f-desc{font-size:.85rem;color:var(--text-dim)}
.site-footer .pay-badges{justify-content:flex-start;margin-top:0}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
  border-top:1px solid rgba(197,160,89,.14);margin-top:40px;padding-top:20px;
  color:var(--text-dim);font-size:.8rem;
}
.badge-18{
  display:inline-grid;place-items:center;width:34px;height:34px;border-radius:50%;
  border:2px solid var(--red-hot);color:var(--red-hot);font-weight:800;font-size:.72rem;
}

/* ===== FAB ===== */
.fab-promo{
  position:fixed;left:16px;bottom:96px;z-index:1050;
  width:58px;height:58px;border-radius:50%;
  display:grid;place-items:center;
  background:radial-gradient(circle at 30% 30%,#2a2a2a,#121212);
  border:3px solid var(--gold-bright);
  color:var(--gold-bright);font-size:1.3rem;
  box-shadow:0 4px 20px rgba(255,215,0,.3);
  opacity:.75;animation:fabFloat 3.2s ease-in-out infinite;
  transition:transform .25s ease,opacity .25s ease;
}
.fab-promo:hover{opacity:1;transform:scale(1.1);color:#ffd76a}
.fab-promo:hover i{transform:rotate(360deg);transition:transform .5s ease}
.fab-promo:active{transform:scale(.95) translateY(2px)}
.fab-promo .dot{
  position:absolute;top:2px;right:2px;width:12px;height:12px;border-radius:50%;
  background:var(--red-hot);animation:blink 1.4s infinite;
}
@keyframes fabFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.25}}

/* ===== Responsive ===== */
@media (max-width:1024px){
  .code-grid{grid-template-columns:repeat(2,1fr)}
  .steps-flow{grid-template-columns:repeat(2,1fr)}
  .step-item::after{display:none}
  .proof-grid{grid-template-columns:repeat(2,1fr)}
  .testi-row{grid-template-columns:1fr 1fr}
  .pain-wrap{grid-template-columns:1fr;gap:32px}
  .pain-figure img{height:300px}
}
@media (max-width:768px){
  .header-inner{flex-wrap:wrap;padding:8px 0}
  .nav-panel{order:3;width:100%;margin-left:0;overflow-x:auto}
  .nav-panel a{font-size:.8rem;padding:7px 11px}
  .header-auth{margin-left:auto}
  .page-banner{margin-top:104px;padding:48px 0 40px}
  .page-banner h1{font-size:1.6rem}
  .section-pad{padding:52px 0}
  .testi-row{grid-template-columns:1fr}
}
@media (max-width:520px){
  .code-grid{grid-template-columns:1fr}
  .steps-flow{grid-template-columns:1fr}
  .proof-grid{grid-template-columns:1fr 1fr}
  .banner-stats{gap:18px}
  .btn-signup{padding:8px 13px;font-size:.8rem}
  .brand-logo small{display:none}
  .cta-final h2{font-size:1.4rem}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}