/* roulang page: index */
:root{
  --bg-deep:#0A2E1C;
  --bg-forest:#123E25;
  --bg-panel:#0E3620;
  --gold:#FFD700;
  --gold-soft:#F5D77A;
  --red:#D32F2F;
  --text:#FFFFFF;
  --mint:#D1F2EB;
  --mint-dim:#9DC9BC;
  --border:rgba(255,215,0,.28);
  --border-soft:rgba(209,242,235,.14);
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 10px 30px rgba(0,0,0,.35);
  --shadow-gold:0 6px 24px rgba(255,215,0,.18);
  --space:24px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"Segoe UI","Helvetica Neue",Arial,"Noto Sans",sans-serif;
  background:linear-gradient(180deg,var(--bg-deep) 0%,var(--bg-forest) 55%,var(--bg-deep) 100%);
  color:var(--text);
  line-height:1.65;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--gold-soft);text-decoration:none;transition:color .2s}
a:hover{color:var(--gold)}
button{font-family:inherit;cursor:pointer;border:none;background:none}
ul,ol{list-style:none}
.container{max-width:1180px;margin:0 auto;padding:0 20px}

/* ============ HEADER ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(8,36,21,.92);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border);
}
.header-inner{display:flex;align-items:center;gap:18px;height:66px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-coin{
  width:38px;height:38px;border-radius:50%;
  background:conic-gradient(from 20deg,#FFD700,#B8860B,#FFF3B0,#FFD700);
  display:flex;align-items:center;justify-content:center;
  color:#5B1010;font-weight:800;font-size:17px;
  box-shadow:0 0 12px rgba(255,215,0,.5);
}
.logo-text{font-weight:800;font-size:17px;color:var(--gold);letter-spacing:.3px;line-height:1.2}
.logo-text small{display:block;font-size:10px;color:var(--mint);font-weight:600;letter-spacing:1.5px;text-transform:uppercase}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.main-nav a{
  padding:8px 14px;border-radius:8px;color:var(--mint);font-weight:600;font-size:14.5px;
  transition:background .2s,color .2s;
}
.main-nav a:hover{background:rgba(255,215,0,.1);color:var(--gold)}
.main-nav a.active{background:rgba(255,215,0,.16);color:var(--gold)}
.auth-box{display:flex;align-items:center;gap:10px;flex-shrink:0}
.btn-login{color:var(--mint);font-weight:700;font-size:14px;padding:8px 10px;border-radius:8px;transition:color .2s}
.btn-login:hover{color:var(--gold)}
.btn-signup{
  background:linear-gradient(135deg,#FFD700,#E8A800);
  color:#3B1500;font-weight:800;font-size:14px;
  padding:9px 20px;border-radius:999px;
  box-shadow:var(--shadow-gold);
  transition:transform .2s,box-shadow .2s;display:inline-block;
}
.btn-signup:hover{transform:translateY(-2px);box-shadow:0 8px 28px rgba(255,215,0,.35);color:#3B1500}
.btn-signup:active{transform:translateY(0) scale(.97)}
.nav-toggle{display:none;flex-direction:column;gap:5px;padding:8px}
.nav-toggle span{width:24px;height:2.5px;background:var(--gold);border-radius:2px;transition:.25s}

/* ============ HERO ============ */
.hero{
  position:relative;padding:130px 0 70px;
  background:linear-gradient(rgba(8,40,23,.86),rgba(10,46,28,.94)),url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
  overflow:hidden;
}
.hero-grid{display:grid;grid-template-columns:1fr 1.15fr 1fr;gap:34px;align-items:center}
.hero-side{display:flex;flex-direction:column;gap:20px}
.hero-point{
  border-left:3px solid var(--gold);padding:6px 0 6px 16px;
}
.hero-point h3{font-size:16px;color:var(--gold);margin-bottom:4px;font-weight:800}
.hero-point p{font-size:13.5px;color:var(--mint);line-height:1.6}
.hero-center{text-align:center}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(211,47,47,.18);border:1px solid rgba(211,47,47,.5);
  color:#FFB4B4;font-size:12.5px;font-weight:700;letter-spacing:1px;
  padding:6px 16px;border-radius:999px;margin-bottom:18px;text-transform:uppercase;
}
.hero-badge .dot{width:8px;height:8px;border-radius:50%;background:var(--red);animation:blink 1.2s infinite}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.25}}
.hero h1{
  font-size:32px;line-height:1.32;font-weight:900;margin-bottom:16px;
  background:linear-gradient(180deg,#FFF7CF 20%,#FFD700 70%,#E0A800);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
  text-shadow:0 4px 30px rgba(255,215,0,.12);
}
.hero-intro{font-size:15.5px;color:var(--mint);max-width:520px;margin:0 auto 24px;line-height:1.7}
.wheel-stage{position:relative;width:220px;height:220px;margin:0 auto 26px}
.wheel{
  width:100%;height:100%;border-radius:50%;
  background:conic-gradient(#D32F2F 0 45deg,#FFD700 45deg 90deg,#0E7A4C 90deg 135deg,#FFF3B0 135deg 180deg,#D32F2F 180deg 225deg,#FFD700 225deg 270deg,#0E7A4C 270deg 315deg,#FFF3B0 315deg 360deg);
  border:8px solid #C5A059;
  box-shadow:0 0 40px rgba(255,215,0,.35),inset 0 0 30px rgba(0,0,0,.35);
  animation:spinSlow 14s linear infinite;
}
@keyframes spinSlow{to{transform:rotate(360deg)}}
.wheel-hub{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  width:64px;height:64px;border-radius:50%;
  background:radial-gradient(circle at 35% 30%,#FFF3B0,#E8A800 70%);
  display:flex;align-items:center;justify-content:center;
  font-weight:900;color:#5B1010;font-size:13px;
  box-shadow:0 4px 14px rgba(0,0,0,.4);border:3px solid #FFF;
}
.wheel-pin{
  position:absolute;top:-14px;left:50%;transform:translateX(-50%);
  width:0;height:0;border-left:12px solid transparent;border-right:12px solid transparent;
  border-top:22px solid var(--red);filter:drop-shadow(0 3px 4px rgba(0,0,0,.4));z-index:2;
}
.hero-ctas{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.btn-primary{
  background:linear-gradient(135deg,#FFD700,#E8A800);color:#3B1500;font-weight:800;font-size:16px;
  padding:14px 34px;border-radius:999px;box-shadow:var(--shadow-gold);
  transition:transform .2s,box-shadow .2s;display:inline-block;
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 32px rgba(255,215,0,.4);color:#3B1500}
.btn-primary:active{transform:scale(.97)}
.btn-outline{
  border:1.5px solid var(--gold);color:var(--gold);font-weight:700;font-size:15px;
  padding:13px 28px;border-radius:999px;transition:background .2s,transform .2s;display:inline-block;
}
.btn-outline:hover{background:rgba(255,215,0,.12);transform:translateY(-2px);color:var(--gold)}
.hero-stats{display:flex;justify-content:center;gap:34px;margin-top:28px;flex-wrap:wrap}
.hero-stat{text-align:center}
.hero-stat strong{display:block;font-size:22px;color:var(--gold);font-weight:900}
.hero-stat span{font-size:12.5px;color:var(--mint-dim)}

/* ============ SECTION BASE ============ */
section{padding:64px 0}
.sec-head{margin-bottom:36px;max-width:720px}
.sec-eyebrow{
  display:inline-block;font-size:12px;font-weight:800;letter-spacing:2px;text-transform:uppercase;
  color:var(--gold);border:1px solid var(--border);padding:4px 14px;border-radius:999px;margin-bottom:12px;
}
.sec-head h2{font-size:26px;font-weight:900;color:#FFF;line-height:1.35;margin-bottom:10px}
.sec-head p{color:var(--mint);font-size:15px;line-height:1.7}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}

/* ============ CATEGORY ENTRIES ============ */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.cat-card{
  border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;
  background:var(--bg-panel);transition:transform .25s,box-shadow .25s;position:relative;display:block;
}
.cat-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-gold)}
.cat-card .thumb{position:relative;height:170px;overflow:hidden}
.cat-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.cat-card:hover .thumb img{transform:scale(1.06)}
.cat-tag{
  position:absolute;top:12px;left:12px;background:var(--red);color:#FFF;
  font-size:11px;font-weight:800;letter-spacing:1px;padding:4px 12px;border-radius:6px;text-transform:uppercase;
  box-shadow:0 3px 10px rgba(0,0,0,.3);
}
.cat-body{padding:20px 20px 24px}
.cat-body h3{font-size:17px;color:var(--gold);font-weight:800;margin-bottom:8px}
.cat-body p{font-size:13.5px;color:var(--mint);line-height:1.65;margin-bottom:14px}
.cat-link{font-size:13.5px;font-weight:800;color:var(--gold-soft)}
.cat-link::after{content:" →"}

/* ============ TOP 5 RANK ============ */
.rank-wrap{background:rgba(8,30,18,.6);border-top:1px solid var(--border-soft);border-bottom:1px solid var(--border-soft)}
.rank-list{display:flex;flex-direction:column;gap:14px}
.rank-item{
  display:grid;grid-template-columns:64px 1fr auto;gap:18px;align-items:center;
  border:1px solid var(--border-soft);border-radius:var(--radius-sm);
  background:var(--bg-panel);padding:18px 22px;transition:border-color .25s,transform .25s;
}
.rank-item:hover{border-color:var(--gold);transform:translateX(6px)}
.rank-no{
  width:52px;height:52px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-size:20px;font-weight:900;color:#3B1500;
  background:linear-gradient(135deg,#FFF3B0,#E8A800);box-shadow:0 3px 12px rgba(255,215,0,.3);
}
.rank-item:nth-child(n+4) .rank-no{background:linear-gradient(135deg,#D8E4DE,#8FA89D);color:#12291D}
.rank-info h3{font-size:16.5px;font-weight:800;color:#FFF;margin-bottom:4px}
.rank-info h3 .hot{
  display:inline-block;background:var(--red);color:#FFF;font-size:10px;font-weight:800;
  padding:2px 8px;border-radius:5px;margin-left:8px;vertical-align:middle;letter-spacing:1px;
}
.rank-info p{font-size:13px;color:var(--mint-dim);line-height:1.6}
.rank-cta{white-space:nowrap}
.btn-mini{
  background:linear-gradient(135deg,#FFD700,#E8A800);color:#3B1500;font-weight:800;font-size:13px;
  padding:10px 20px;border-radius:999px;display:inline-block;transition:transform .2s;
}
.btn-mini:hover{transform:scale(1.05);color:#3B1500}

/* ============ EXPLAIN (what is) ============ */
.explain-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center}
.explain-text h2{font-size:25px;font-weight:900;margin-bottom:14px;color:#FFF}
.explain-text p{color:var(--mint);font-size:15px;margin-bottom:14px;line-height:1.7}
.explain-check{display:flex;flex-direction:column;gap:10px;margin-top:18px}
.explain-check li{
  display:flex;gap:12px;align-items:flex-start;font-size:14px;color:var(--mint);
}
.explain-check li::before{
  content:"✓";flex-shrink:0;width:22px;height:22px;border-radius:50%;
  background:rgba(255,215,0,.18);color:var(--gold);font-weight:900;font-size:12px;
  display:flex;align-items:center;justify-content:center;margin-top:2px;
}
.explain-img{position:relative}
.explain-img img{border-radius:var(--radius);border:1px solid var(--border);box-shadow:var(--shadow)}
.explain-float{
  position:absolute;bottom:-18px;left:-18px;background:linear-gradient(135deg,#FFD700,#E8A800);
  color:#3B1500;border-radius:var(--radius-sm);padding:14px 20px;font-weight:900;font-size:14px;
  box-shadow:0 8px 24px rgba(0,0,0,.35);line-height:1.3;
}
.explain-float small{display:block;font-weight:700;font-size:11px;opacity:.8}

/* ============ STEPS ============ */
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step}
.step{
  border-top:3px solid var(--gold);background:var(--bg-panel);
  border-radius:0 0 var(--radius-sm) var(--radius-sm);padding:24px 20px;position:relative;
  transition:transform .25s;
}
.step:hover{transform:translateY(-5px)}
.step::before{
  counter-increment:step;content:"0" counter(step);
  font-size:34px;font-weight:900;color:rgba(255,215,0,.22);display:block;margin-bottom:8px;line-height:1;
}
.step h3{font-size:15.5px;font-weight:800;color:var(--gold-soft);margin-bottom:8px}
.step p{font-size:13.5px;color:var(--mint-dim);line-height:1.65}

/* ============ TIPS ============ */
.tips-wrap{background:linear-gradient(rgba(8,32,19,.9),rgba(10,46,28,.94)),url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;border-top:1px solid var(--border-soft);border-bottom:1px solid var(--border-soft)}
.tips-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.tip{
  display:flex;gap:16px;align-items:flex-start;background:rgba(14,54,32,.75);
  border:1px solid var(--border-soft);border-radius:var(--radius-sm);padding:20px 22px;
  transition:border-color .25s;
}
.tip:hover{border-color:var(--gold)}
.tip-icon{
  flex-shrink:0;width:44px;height:44px;border-radius:12px;
  background:rgba(255,215,0,.14);display:flex;align-items:center;justify-content:center;font-size:20px;
}
.tip h3{font-size:15.5px;font-weight:800;color:var(--gold-soft);margin-bottom:6px}
.tip p{font-size:13.5px;color:var(--mint);line-height:1.65}

/* ============ SOCIAL PROOF ============ */
.proof-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.proof{
  background:var(--bg-panel);border:1px solid var(--border-soft);border-radius:var(--radius);
  padding:24px;transition:transform .25s,border-color .25s;
}
.proof:hover{transform:translateY(-4px);border-color:var(--gold)}
.proof-stars{color:var(--gold);letter-spacing:3px;font-size:14px;margin-bottom:12px}
.proof p{font-size:14px;color:var(--mint);line-height:1.7;margin-bottom:16px;font-style:italic}
.proof-user{display:flex;align-items:center;gap:12px}
.proof-avatar{
  width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,#FFD700,#0E7A4C);
  display:flex;align-items:center;justify-content:center;font-weight:900;color:#0A2E1C;font-size:15px;
}
.proof-user strong{display:block;font-size:13.5px;color:#FFF}
.proof-user span{font-size:12px;color:var(--mint-dim)}
.proof-band{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;margin-top:38px;border-top:1px solid var(--border-soft);padding-top:30px}
.proof-num{min-width:150px}
.proof-num strong{display:block;font-size:26px;font-weight:900;color:var(--gold)}
.proof-num span{font-size:13px;color:var(--mint-dim)}

/* ============ NEWS ============ */
.news-wrap{background:rgba(8,30,18,.55);border-top:1px solid var(--border-soft);border-bottom:1px solid var(--border-soft)}
.news-grid{display:grid;grid-template-columns:1.5fr 1fr;gap:36px;align-items:start}
.news-list{display:flex;flex-direction:column}
.news-item{
  display:flex;justify-content:space-between;align-items:center;gap:18px;
  padding:16px 4px;border-bottom:1px dashed var(--border-soft);transition:background .2s;
}
.news-item:hover{background:rgba(255,215,0,.05)}
.news-item a{font-size:15px;font-weight:600;color:#EFFAF5;line-height:1.5;flex:1}
.news-item a:hover{color:var(--gold)}
.news-meta{display:flex;gap:12px;align-items:center;flex-shrink:0}
.news-cat{
  font-size:11px;font-weight:800;color:var(--gold);border:1px solid var(--border);
  padding:2px 10px;border-radius:999px;white-space:nowrap;
}
.news-date{font-size:12.5px;color:var(--mint-dim);white-space:nowrap}
.news-empty{padding:30px 0;color:var(--mint-dim);font-size:14px}
.news-aside{background:var(--bg-panel);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}
.news-aside img{height:160px;width:100%;object-fit:cover}
.news-aside-body{padding:22px}
.news-aside-body h3{font-size:17px;font-weight:800;color:var(--gold);margin-bottom:10px}
.news-aside-body p{font-size:13.5px;color:var(--mint);line-height:1.65;margin-bottom:16px}

/* ============ FAQ ============ */
.faq-list{max-width:820px}
.faq-item{border:1px solid var(--border-soft);border-radius:var(--radius-sm);margin-bottom:14px;background:var(--bg-panel);overflow:hidden}
.faq-item summary{
  cursor:pointer;list-style:none;padding:18px 22px;font-weight:800;font-size:15.5px;color:#FFF;
  display:flex;justify-content:space-between;align-items:center;gap:16px;transition:color .2s;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:22px;color:var(--gold);font-weight:400;transition:transform .25s}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item[open] summary{color:var(--gold)}
.faq-item summary:hover{color:var(--gold)}
.faq-body{padding:0 22px 20px;font-size:14px;color:var(--mint);line-height:1.7}

/* ============ FINAL CTA ============ */
.final-cta{
  background:linear-gradient(rgba(8,32,19,.88),rgba(10,46,28,.92)),url('/assets/images/backpic/back-3.jpg') center/cover no-repeat;
  text-align:center;padding:80px 0;
}
.final-cta h2{font-size:28px;font-weight:900;margin-bottom:14px;color:var(--gold)}
.final-cta p{max-width:600px;margin:0 auto 28px;color:var(--mint);font-size:15px;line-height:1.7}
.pay-badges{display:flex;justify-content:center;gap:14px;margin-top:30px;flex-wrap:wrap}
.pay-badge{
  border:1px solid var(--border);border-radius:999px;padding:8px 20px;font-size:13px;font-weight:800;
  color:var(--gold-soft);background:rgba(255,215,0,.06);
}

/* ============ FOOTER ============ */
.site-footer{background:#071F12;border-top:1px solid var(--border);padding:56px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:34px;margin-bottom:36px}
.footer-brand h3{font-size:17px;color:var(--gold);font-weight:800;margin-bottom:12px}
.footer-brand p{font-size:13.5px;color:var(--mint-dim);line-height:1.7}
.footer-col h4{font-size:13px;font-weight:800;color:#FFF;letter-spacing:1.2px;text-transform:uppercase;margin-bottom:14px}
.footer-col li{margin-bottom:9px}
.footer-col a{font-size:13.5px;color:var(--mint-dim)}
.footer-col a:hover{color:var(--gold)}
.age-badge{
  display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:50%;
  border:2px solid var(--gold);color:var(--gold);font-weight:900;font-size:13px;margin-top:14px;
}
.footer-bottom{
  border-top:1px solid var(--border-soft);padding-top:22px;display:flex;justify-content:space-between;
  gap:14px;flex-wrap:wrap;font-size:12.5px;color:var(--mint-dim);
}

/* ============ FAB ============ */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:200;width:60px;height:60px;border-radius:50%;
  background:radial-gradient(circle at 35% 30%,#1D5B37,#0A2E1C 75%);
  border:3px solid var(--gold);display:flex;align-items:center;justify-content:center;
  font-size:24px;box-shadow:0 4px 20px rgba(255,215,0,.3);opacity:.75;
  animation:fabFloat 3s ease-in-out infinite;transition:transform .25s,opacity .25s;
}
.fab:hover{transform:scale(1.1);opacity:1}
.fab:hover .fab-icon{transform:rotate(360deg)}
.fab:active{transform:scale(.95) translateY(2px)}
.fab-icon{display:block;transition:transform .5s}
.fab-dot{
  position:absolute;top:2px;right:2px;width:12px;height:12px;border-radius:50%;
  background:var(--red);border:2px solid #FFF;animation:blink 1.4s infinite;
}
@keyframes fabFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}

/* ============ RESPONSIVE ============ */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:30px}
  .hero-side{flex-direction:row;flex-wrap:wrap;justify-content:center}
  .hero-point{min-width:240px;flex:1}
  .steps-grid{grid-template-columns:repeat(2,1fr)}
  .cat-grid,.proof-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .explain-grid{grid-template-columns:1fr;gap:36px}
  .news-grid{grid-template-columns:1fr}
}
@media (max-width:768px){
  .main-nav{
    position:fixed;top:66px;left:0;right:0;flex-direction:column;align-items:stretch;
    background:rgba(8,32,19,.98);border-bottom:1px solid var(--border);
    padding:14px 20px;gap:6px;display:none;
  }
  .main-nav.open{display:flex}
  .main-nav a{padding:13px 14px;font-size:15px}
  .nav-toggle{display:flex;margin-left:auto}
  .auth-box{margin-left:0}
  .logo-text{font-size:14px}
  .hero{padding:110px 0 56px}
  .hero h1{font-size:25px}
  .tips-grid{grid-template-columns:1fr}
  .rank-item{grid-template-columns:52px 1fr;padding:16px}
  .rank-cta{grid-column:2;justify-self:start}
  section{padding:50px 0}
}
@media (max-width:520px){
  .cat-grid,.proof-grid,.steps-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .hero h1{font-size:22px}
  .wheel-stage{width:180px;height:180px}
  .btn-signup{padding:8px 14px;font-size:13px}
  .hero-stats{gap:20px}
  .explain-float{position:static;margin-top:16px;display:inline-block}
  .news-item{flex-direction:column;align-items:flex-start;gap:8px}
}

/* roulang page: article */
:root {
  --primary-bg: #0A2E1C;
  --secondary-bg: #123E25;
  --dark-bg: #061810;
  --accent-gold: #FFD700;
  --accent-red: #D32F2F;
  --accent-green: #32CD32;
  --text-light: #FFFFFF;
  --text-pale: #D1F2EB;
  --text-muted: #A8C5BA;
  --border-gold: #FFD700;
  --border-subtle: rgba(255, 215, 0, 0.15);
  --shadow-glow: 0 4px 20px rgba(255, 215, 0, 0.2);
  --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.4);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2.5rem;
  --spacing-xl: 4rem;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: linear-gradient(135deg, var(--primary-bg) 0%, var(--dark-bg) 100%);
  color: var(--text-light);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--accent-gold);
  text-decoration: none;
  transition: all 0.3s ease;
}

a:hover {
  color: var(--text-light);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Header & Navigation */
.site-header {
  background: rgba(10, 46, 28, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-sm) var(--spacing-md);
  gap: var(--spacing-md);
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--accent-gold);
  text-decoration: none;
  transition: transform 0.3s ease;
}

.logo:hover {
  transform: scale(1.03);
}

.logo-coin {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--accent-gold) 0%, #FFA500 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--primary-bg);
  box-shadow: 0 0 16px rgba(255, 215, 0, 0.4);
  flex-shrink: 0;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.logo-text small {
  font-size: 0.7rem;
  font-weight: 400;
  color: var(--text-pale);
  opacity: 0.85;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span {
  width: 26px;
  height: 3px;
  background: var(--accent-gold);
  border-radius: 2px;
  transition: all 0.3s ease;
}

.main-nav {
  display: flex;
  gap: var(--spacing-md);
  align-items: center;
}

.main-nav a {
  color: var(--text-pale);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  transition: all 0.3s ease;
  white-space: nowrap;
}

.main-nav a:hover,
.main-nav a.active {
  background: rgba(255, 215, 0, 0.1);
  color: var(--accent-gold);
}

.auth-box {
  display: flex;
  gap: var(--spacing-sm);
  align-items: center;
}

.btn-login {
  color: var(--text-light);
  font-weight: 500;
  padding: 0.6rem 1.25rem;
  transition: all 0.3s ease;
}

.btn-login:hover {
  color: var(--accent-gold);
}

.btn-signup {
  background: linear-gradient(135deg, var(--accent-gold) 0%, #FFA500 100%);
  color: var(--primary-bg);
  font-weight: 700;
  padding: 0.7rem 1.5rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-glow);
  transition: all 0.3s ease;
}

.btn-signup:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(255, 215, 0, 0.35);
}

/* Article Banner */
.article-banner {
  background: linear-gradient(135deg, var(--secondary-bg) 0%, var(--primary-bg) 100%);
  padding: var(--spacing-xl) 0 var(--spacing-lg);
  position: relative;
  overflow: hidden;
}

.article-banner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url('/assets/images/backpic/back-1.jpg') center/cover;
  opacity: 0.08;
  z-index: 0;
}

.banner-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.article-category {
  display: inline-block;
  background: rgba(255, 215, 0, 0.15);
  color: var(--accent-gold);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.4rem 1rem;
  border-radius: 20px;
  border: 1px solid var(--border-gold);
  margin-bottom: var(--spacing-md);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.article-title {
  font-size: 2.5rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
  color: var(--text-light);
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
}

.article-meta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-md);
  color: var(--text-muted);
  font-size: 0.9rem;
  flex-wrap: wrap;
}

.article-meta i {
  color: var(--accent-gold);
  margin-right: 6px;
}

/* Article Content */
.article-content-section {
  padding: var(--spacing-xl) 0;
}

.content-wrapper {
  max-width: 820px;
  margin: 0 auto;
  background: rgba(18, 62, 37, 0.4);
  backdrop-filter: blur(8px);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl) var(--spacing-lg);
  box-shadow: var(--shadow-card);
  border: 1px solid var(--border-subtle);
}

.article-body {
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--text-pale);
}

.article-body h2 {
  font-size: 1.85rem;
  font-weight: 700;
  color: var(--accent-gold);
  margin-top: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
  padding-bottom: 0.5rem;
  border-bottom: 2px solid rgba(255, 215, 0, 0.2);
}

.article-body h3 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-light);
  margin-top: var(--spacing-md);
  margin-bottom: var(--spacing-sm);
}

.article-body p {
  margin-bottom: var(--spacing-md);
}

.article-body ul,
.article-body ol {
  margin: var(--spacing-md) 0;
  padding-left: var(--spacing-lg);
}

.article-body li {
  margin-bottom: 0.75rem;
  line-height: 1.7;
}

.article-body a {
  color: var(--accent-gold);
  font-weight: 500;
  border-bottom: 1px solid rgba(255, 215, 0, 0.3);
  transition: all 0.3s ease;
}

.article-body a:hover {
  border-bottom-color: var(--accent-gold);
  color: var(--text-light);
}

.article-body img {
  border-radius: var(--radius-md);
  margin: var(--spacing-lg) 0;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--border-subtle);
}

.article-body blockquote {
  background: rgba(255, 215, 0, 0.08);
  border-left: 4px solid var(--accent-gold);
  padding: var(--spacing-md) var(--spacing-lg);
  margin: var(--spacing-lg) 0;
  border-radius: var(--radius-sm);
  font-style: italic;
  color: var(--text-pale);
}

.article-body strong {
  color: var(--accent-gold);
  font-weight: 600;
}

.article-body code {
  background: rgba(0, 0, 0, 0.3);
  color: var(--accent-green);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  font-size: 0.9em;
  font-family: 'Courier New', monospace;
}

.article-body pre {
  background: rgba(0, 0, 0, 0.5);
  padding: var(--spacing-md);
  border-radius: var(--radius-sm);
  overflow-x: auto;
  margin: var(--spacing-md) 0;
  border: 1px solid var(--border-subtle);
}

.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--spacing-lg) 0;
  background: rgba(0, 0, 0, 0.2);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.article-body th,
.article-body td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border-subtle);
}

.article-body th {
  background: rgba(255, 215, 0, 0.1);
  color: var(--accent-gold);
  font-weight: 600;
}

/* Not Found State */
.not-found-box {
  text-align: center;
  padding: var(--spacing-xl);
  background: rgba(211, 47, 47, 0.1);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(211, 47, 47, 0.3);
}

.not-found-box i {
  font-size: 4rem;
  color: var(--accent-red);
  margin-bottom: var(--spacing-md);
}

.not-found-box h2 {
  font-size: 1.75rem;
  margin-bottom: var(--spacing-sm);
  color: var(--text-light);
}

.not-found-box p {
  color: var(--text-muted);
  margin-bottom: var(--spacing-lg);
}

.btn-home {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, var(--accent-gold) 0%, #FFA500 100%);
  color: var(--primary-bg);
  font-weight: 700;
  padding: 0.9rem 2rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-glow);
  transition: all 0.3s ease;
}

.btn-home:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px rgba(255, 215, 0, 0.4);
  color: var(--primary-bg);
}

/* Related Articles */
.related-section {
  padding: var(--spacing-xl) 0;
  background: rgba(6, 24, 16, 0.6);
}

.related-section h2 {
  text-align: center;
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent-gold);
  margin-bottom: var(--spacing-lg);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
}

.related-card {
  background: rgba(18, 62, 37, 0.5);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  transition: all 0.3s ease;
  box-shadow: var(--shadow-card);
}

.related-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(255, 215, 0, 0.2);
  border-color: var(--accent-gold);
}

.related-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}

.related-card-body {
  padding: var(--spacing-md);
}

.related-card h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-light);
  margin-bottom: 0.5rem;
  line-height: 1.4;
}

.related-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* CTA Section */
.cta-section {
  padding: var(--spacing-xl) 0;
  text-align: center;
}

.cta-box {
  background: linear-gradient(135deg, var(--secondary-bg) 0%, var(--primary-bg) 100%);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl) var(--spacing-lg);
  border: 2px solid var(--border-gold);
  box-shadow: 0 4px 20px rgba(255, 215, 0, 0.15);
  position: relative;
  overflow: hidden;
}

.cta-box::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255, 215, 0, 0.08) 0%, transparent 70%);
  animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.1); opacity: 0.8; }
}

.cta-box h2 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent-gold);
  margin-bottom: var(--spacing-md);
  position: relative;
  z-index: 1;
}

.cta-box p {
  font-size: 1.1rem;
  color: var(--text-pale);
  margin-bottom: var(--spacing-lg);
  position: relative;
  z-index: 1;
}

.btn-cta {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  background: linear-gradient(135deg, var(--accent-gold) 0%, #FFA500 100%);
  color: var(--primary-bg);
  font-weight: 700;
  font-size: 1.1rem;
  padding: 1rem 2.5rem;
  border-radius: var(--radius-md);
  box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
  transition: all 0.3s ease;
  position: relative;
  z-index: 1;
}

.btn-cta:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 28px rgba(255, 215, 0, 0.45);
  color: var(--primary-bg);
}

/* Footer */
.site-footer {
  background: var(--dark-bg);
  border-top: 2px solid var(--border-gold);
  padding: var(--spacing-xl) 0 var(--spacing-md);
  margin-top: var(--spacing-xl);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--spacing-lg);
  margin-bottom: var(--spacing-lg);
  padding-bottom: var(--spacing-lg);
  border-bottom: 1px solid var(--border-subtle);
}

.footer-brand h3 {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--accent-gold);
  margin-bottom: var(--spacing-sm);
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: var(--spacing-md);
}

.age-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-red);
  color: var(--text-light);
  font-weight: 700;
  font-size: 1.1rem;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 3px solid var(--text-light);
}

.footer-col h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-light);
  margin-bottom: var(--spacing-md);
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: 0.65rem;
}

.footer-col a {
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: all 0.3s ease;
}

.footer-col a:hover {
  color: var(--accent-gold);
  padding-left: 4px;
}

.footer-bottom {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.85rem;
  line-height: 1.6;
}

.footer-bottom div:first-child {
  margin-bottom: 0.5rem;
}

/* FAB */
.fab {
  position: fixed;
  left: 1rem;
  bottom: 6rem;
  z-index: 999;
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--accent-gold) 0%, #FFA500 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(255, 215, 0, 0.4);
  cursor: pointer;
  transition: all 0.3s ease;
  border: 3px solid var(--primary-bg);
  opacity: 0.85;
  animation: fabFloat 2.5s ease-in-out infinite;
}

@keyframes fabFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.fab:hover {
  opacity: 1;
  transform: scale(1.12) rotate(360deg);
  box-shadow: 0 6px 28px rgba(255, 215, 0, 0.5);
}

.fab i {
  font-size: 1.75rem;
  color: var(--primary-bg);
}

/* Responsive */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .main-nav {
    position: fixed;
    top: 72px;
    left: -100%;
    width: 280px;
    height: calc(100vh - 72px);
    background: rgba(10, 46, 28, 0.98);
    backdrop-filter: blur(12px);
    flex-direction: column;
    padding: var(--spacing-lg);
    box-shadow: 2px 0 12px rgba(0, 0, 0, 0.3);
    transition: left 0.3s ease;
    border-right: 1px solid var(--border-gold);
    align-items: flex-start;
    gap: 0;
  }

  .main-nav.open {
    left: 0;
  }

  .main-nav a {
    width: 100%;
    padding: 1rem;
    border-radius: var(--radius-sm);
  }

  .article-title {
    font-size: 1.85rem;
  }

  .content-wrapper {
    padding: var(--spacing-lg) var(--spacing-md);
  }

  .article-body {
    font-size: 1rem;
  }

  .article-body h2 {
    font-size: 1.5rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .fab {
    width: 56px;
    height: 56px;
    left: 0.75rem;
    bottom: 5rem;
  }

  .fab i {
    font-size: 1.5rem;
  }
}

@media (max-width: 520px) {
  .logo-text {
    font-size: 1rem;
  }

  .logo-text small {
    font-size: 0.65rem;
  }

  .article-title {
    font-size: 1.5rem;
  }

  .article-meta {
    font-size: 0.85rem;
    gap: var(--spacing-sm);
  }

  .cta-box h2 {
    font-size: 1.5rem;
  }

  .cta-box p {
    font-size: 1rem;
  }

  .btn-cta {
    font-size: 1rem;
    padding: 0.85rem 2rem;
  }
}

/* roulang page: category1 */
:root {
  --primary: #FFD700;
  --primary-dark: #D4AC0D;
  --secondary: #D32F2F;
  --accent: #0A2E1C;
  --accent-dark: #062315;
  --bg-dark: #0B0B0B;
  --bg-card: #1A1A1A;
  --text-light: #FFFFFF;
  --text-muted: #D1F2EB;
  --text-gray: #A6ACAF;
  --border: rgba(255, 215, 0, 0.2);
  --shadow: 0 4px 20px rgba(255, 215, 0, 0.15);
  --shadow-lg: 0 8px 40px rgba(255, 215, 0, 0.25);
  --radius: 12px;
  --radius-sm: 8px;
  --spacing: 24px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: linear-gradient(135deg, var(--accent-dark) 0%, var(--bg-dark) 100%);
  color: var(--text-light);
  line-height: 1.6;
  font-size: 16px;
  overflow-x: hidden;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

button, .btn {
  cursor: pointer;
  border: none;
  outline: none;
  transition: var(--transition);
  font-family: inherit;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header & Navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(10, 46, 28, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 2px solid var(--primary);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  gap: 20px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 20px;
  color: var(--primary);
  text-shadow: 0 2px 8px rgba(255, 215, 0, 0.4);
}

.logo-coin {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--accent);
  box-shadow: 0 4px 12px rgba(255, 215, 0, 0.4);
  border: 3px solid rgba(255, 255, 255, 0.3);
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.logo-text small {
  font-size: 11px;
  font-weight: 400;
  color: var(--text-muted);
  opacity: 0.85;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: transparent;
  padding: 8px;
}

.nav-toggle span {
  width: 25px;
  height: 3px;
  background: var(--primary);
  border-radius: 2px;
  transition: var(--transition);
}

.main-nav {
  display: flex;
  gap: 32px;
  align-items: center;
}

.main-nav a {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-muted);
  padding: 8px 4px;
  position: relative;
}

.main-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width 0.3s;
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--primary);
}

.main-nav a.active::after {
  width: 100%;
}

.auth-box {
  display: flex;
  gap: 12px;
  align-items: center;
}

.btn-login {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-light);
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.btn-login:hover {
  color: var(--primary);
}

.btn-signup {
  font-size: 14px;
  font-weight: 600;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: var(--accent);
  padding: 10px 24px;
  border-radius: var(--radius-sm);
  box-shadow: 0 4px 12px rgba(255, 215, 0, 0.3);
}

.btn-signup:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(255, 215, 0, 0.4);
}

/* Hero Banner */
.hero-banner {
  position: relative;
  background: linear-gradient(135deg, rgba(10, 46, 28, 0.95) 0%, rgba(11, 11, 11, 0.9) 100%), url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
  padding: 100px 0 80px;
  text-align: left;
  overflow: hidden;
}

.hero-banner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 30% 50%, rgba(255, 215, 0, 0.1) 0%, transparent 60%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(211, 47, 47, 0.2);
  border: 1px solid var(--secondary);
  color: var(--secondary);
  padding: 8px 16px;
  border-radius: 50px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 24px;
  animation: pulse-badge 2s infinite;
}

@keyframes pulse-badge {
  0%, 100% { box-shadow: 0 0 0 0 rgba(211, 47, 47, 0.4); }
  50% { box-shadow: 0 0 0 8px rgba(211, 47, 47, 0); }
}

.hero-banner h1 {
  font-size: 52px;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 24px;
  background: linear-gradient(135deg, var(--primary) 0%, #FFF9C4 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-banner p {
  font-size: 19px;
  line-height: 1.7;
  color: var(--text-muted);
  margin-bottom: 36px;
  max-width: 700px;
}

.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: var(--accent);
  font-size: 16px;
  font-weight: 700;
  padding: 16px 32px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(255, 215, 0, 0.1);
  border: 2px solid var(--primary);
  color: var(--primary);
  font-size: 16px;
  font-weight: 700;
  padding: 14px 30px;
  border-radius: var(--radius);
  transition: var(--transition);
}

.btn-secondary:hover {
  background: rgba(255, 215, 0, 0.2);
  transform: translateY(-3px);
}

/* Stats Bar */
.stats-bar {
  background: var(--bg-card);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 32px 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 32px;
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-size: 42px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
  margin-bottom: 8px;
  text-shadow: 0 2px 8px rgba(255, 215, 0, 0.3);
}

.stat-label {
  font-size: 14px;
  color: var(--text-gray);
  font-weight: 500;
}

/* Ranking Section */
.ranking-section {
  padding: 80px 0;
}

.section-header {
  text-align: left;
  margin-bottom: 48px;
}

.section-tag {
  display: inline-block;
  background: rgba(255, 215, 0, 0.1);
  border: 1px solid var(--primary);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 50px;
  margin-bottom: 16px;
}

.section-header h2 {
  font-size: 38px;
  font-weight: 800;
  margin-bottom: 16px;
  color: var(--text-light);
}

.section-header p {
  font-size: 17px;
  color: var(--text-gray);
  max-width: 800px;
  line-height: 1.7;
}

.ranking-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.rank-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  display: grid;
  grid-template-columns: 60px 1fr auto;
  gap: 24px;
  align-items: center;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.rank-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(255, 215, 0, 0.05) 0%, transparent 100%);
  opacity: 0;
  transition: var(--transition);
}

.rank-card:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.rank-card:hover::before {
  opacity: 1;
}

.rank-badge {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: 800;
  color: var(--accent);
  box-shadow: 0 4px 16px rgba(255, 215, 0, 0.4);
  border: 3px solid rgba(255, 255, 255, 0.2);
  flex-shrink: 0;
}

.rank-content h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-light);
  margin-bottom: 8px;
}

.rank-meta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.meta-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255, 215, 0, 0.1);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 6px;
}

.rank-desc {
  font-size: 15px;
  color: var(--text-gray);
  line-height: 1.6;
  margin-bottom: 12px;
}

.rank-features {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.feature-tag {
  background: rgba(10, 46, 28, 0.6);
  border: 1px solid rgba(255, 215, 0, 0.3);
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 500;
  padding: 4px 10px;
  border-radius: 6px;
}

.rank-action {
  display: flex;
  flex-direction: column;
  gap: 12px;
  align-items: flex-end;
}

.btn-join {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: var(--accent);
  font-size: 15px;
  font-weight: 700;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  box-shadow: 0 4px 12px rgba(255, 215, 0, 0.3);
  white-space: nowrap;
}

.btn-join:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(255, 215, 0, 0.4);
}

.rating-stars {
  display: flex;
  gap: 4px;
  color: var(--primary);
  font-size: 16px;
}

/* Comparison Section */
.comparison-section {
  padding: 80px 0;
  background: var(--accent-dark);
}

.comparison-table {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow-x: auto;
}

.comparison-table table {
  width: 100%;
  border-collapse: collapse;
}

.comparison-table th {
  background: rgba(255, 215, 0, 0.1);
  color: var(--primary);
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  padding: 16px;
  text-align: left;
  border-bottom: 2px solid var(--border);
}

.comparison-table td {
  padding: 20px 16px;
  border-bottom: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 14px;
}

.comparison-table tr:hover {
  background: rgba(255, 215, 0, 0.05);
}

.platform-name {
  font-weight: 700;
  color: var(--text-light);
  font-size: 15px;
}

.check-icon {
  color: #4CAF50;
  font-size: 18px;
}

.cross-icon {
  color: var(--secondary);
  font-size: 18px;
}

/* Trust Section */
.trust-section {
  padding: 80px 0;
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
}

.trust-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  text-align: left;
  transition: var(--transition);
}

.trust-card:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.trust-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, rgba(255, 215, 0, 0.2) 0%, rgba(255, 215, 0, 0.05) 100%);
  border: 2px solid var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  margin-bottom: 20px;
  color: var(--primary);
}

.trust-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-light);
  margin-bottom: 12px;
}

.trust-card p {
  font-size: 15px;
  color: var(--text-gray);
  line-height: 1.7;
}

/* Payment Section */
.payment-section {
  padding: 80px 0;
  background: var(--accent-dark);
}

.payment-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
}

.payment-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  text-align: center;
  transition: var(--transition);
}

.payment-card:hover {
  border-color: var(--primary);
  transform: scale(1.05);
}

.payment-logo {
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  font-size: 32px;
}

.payment-card h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-light);
  margin-bottom: 8px;
}

.payment-card p {
  font-size: 13px;
  color: var(--text-gray);
}

/* FAQ Section */
.faq-section {
  padding: 80px 0;
}

.faq-list {
  max-width: 900px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 16px;
  overflow: hidden;
  transition: var(--transition);
}

.faq-item:hover {
  border-color: var(--primary);
}

.faq-question {
  width: 100%;
  background: transparent;
  color: var(--text-light);
  font-size: 17px;
  font-weight: 700;
  padding: 24px;
  text-align: left;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
}

.faq-question:hover {
  color: var(--primary);
}

.faq-icon {
  font-size: 20px;
  color: var(--primary);
  transition: var(--transition);
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-answer-content {
  padding: 0 24px 24px;
  color: var(--text-gray);
  font-size: 15px;
  line-height: 1.7;
}

.faq-item.active .faq-answer {
  max-height: 500px;
}

/* CTA Section */
.cta-section {
  padding: 80px 0;
  background: linear-gradient(135deg, rgba(10, 46, 28, 0.8) 0%, rgba(11, 11, 11, 0.8) 100%), url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
  text-align: center;
  position: relative;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 50% 50%, rgba(255, 215, 0, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.cta-content {
  position: relative;
  z-index: 2;
  max-width: 700px;
  margin: 0 auto;
}

.cta-section h2 {
  font-size: 42px;
  font-weight: 800;
  margin-bottom: 20px;
  color: var(--text-light);
}

.cta-section p {
  font-size: 18px;
  color: var(--text-muted);
  margin-bottom: 36px;
  line-height: 1.7;
}

/* Footer */
.site-footer {
  background: var(--accent-dark);
  border-top: 2px solid var(--primary);
  padding: 60px 0 20px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand h3 {
  font-size: 22px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 14px;
  color: var(--text-gray);
  line-height: 1.7;
  margin-bottom: 20px;
}

.age-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 50px;
  height: 50px;
  background: var(--secondary);
  color: var(--text-light);
  font-size: 16px;
  font-weight: 800;
  border-radius: 50%;
  border: 3px solid rgba(255, 255, 255, 0.3);
}

.footer-col h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 16px;
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: 10px;
}

.footer-col a {
  font-size: 14px;
  color: var(--text-gray);
  transition: var(--transition);
}

.footer-cola:hover {
  color: var(--primary);
  padding-left: 4px;
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 13px;
  color: var(--text-gray);
}

/* FAB */
.fab {
  position: fixed;
  left: 20px;
  bottom: 96px;
  z-index: 999;
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  border: 3px solid rgba(255, 255, 255, 0.3);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  color: var(--accent);
  box-shadow: 0 6px 24px rgba(255, 215, 0, 0.4);
  cursor: pointer;
  opacity: 0.8;
  transition: var(--transition);
  animation: fab-float 3s ease-in-out infinite;
}

.fab:hover {
  opacity: 1;
  transform: scale(1.15) rotate(360deg);
  box-shadow: 0 8px 32px rgba(255, 215, 0, 0.6);
}

@keyframes fab-float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.fab::after {
  content: '';
  position: absolute;
  top: -2px;
  right: -2px;
  width: 18px;
  height: 18px;
  background: var(--secondary);
  border: 2px solid var(--bg-dark);
  border-radius: 50%;
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.2); opacity: 0.8; }
}

/* Responsive */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  
  .rank-card {
    grid-template-columns: 50px 1fr;
    gap: 20px;
  }
  
  .rank-action {
    grid-column: 2;
    align-items: flex-start;
  }
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }
  
  .main-nav {
    position: fixed;
    top: 76px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 76px);
    background: rgba(10, 46, 28, 0.98);
    backdrop-filter: blur(10px);
    flex-direction: column;
    padding: 40px 20px;
    gap: 0;
    transition: left 0.3s ease;
    border-top: 1px solid var(--border);
  }
  
  .main-nav.open {
    left: 0;
  }
  
  .main-nav a {
    width: 100%;
    padding: 16px 0;
    border-bottom: 1px solid var(--border);
    font-size: 16px;
  }
  
  .hero-banner {
    padding: 60px 0 50px;
  }
  
  .hero-banner h1 {
    font-size: 36px;
  }
  
  .hero-banner p {
    font-size: 16px;
  }
  
  .section-header h2 {
    font-size: 30px;
  }
  
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }
  
  .rank-card {
    grid-template-columns: 1fr;
    padding: 20px;
  }
  
  .rank-badge {
    width: 50px;
    height: 50px;
    font-size: 20px;
  }
  
  .rank-content h3 {
    font-size: 19px;
  }
  
  .rank-action {
    flex-direction: row;
    justify-content: space-between;
    width: 100%;
  }
  
  .comparison-table {
    font-size: 13px;
  }
  
  .comparison-table th,
  .comparison-table td {
    padding: 12px 8px;
  }
  
  .trust-grid {
    grid-template-columns: 1fr;
  }
  
  .payment-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  
  .cta-section h2 {
    font-size: 32px;
  }
  
  .fab {
    width: 56px;
    height: 56px;
    font-size: 24px;
    left: 16px;
    bottom: 80px;
  }
}

@media (max-width: 520px) {
  .hero-banner h1 {
    font-size: 28px;
  }
  
  .hero-cta {
    flex-direction: column;
  }
  
  .btn-primary,
  .btn-secondary {
    width: 100%;
    justify-content: center;
  }
  
  .stats-grid {
    grid-template-columns: 1fr;
  }
  
  .stat-number {
    font-size: 36px;
  }
  
  .section-header h2 {
    font-size: 26px;
  }
  
  .rank-meta {
    flex-direction: column;
    gap: 8px;
  }
  
  .payment-grid {
    grid-template-columns: 1fr;
  }
  
  .auth-box {
    gap: 8px;
  }
  
  .btn-login,
  .btn-signup {
    font-size: 13px;
    padding: 8px 16px;
  }
}

/* roulang page: category2 */
:root{
  --bg-deep:#0A2E1C;
  --bg-forest:#123E25;
  --bg-card:#0E3620;
  --gold:#FFD700;
  --gold-soft:#F0D060;
  --red:#D32F2F;
  --text:#FFFFFF;
  --mint:#D1F2EB;
  --mint-dim:#9CCABB;
  --border-gold:rgba(255,215,0,.35);
  --border-soft:rgba(209,242,235,.14);
  --radius:14px;
  --radius-sm:10px;
  --shadow-gold:0 4px 24px rgba(255,215,0,.18);
  --shadow-soft:0 10px 30px rgba(0,0,0,.35);
  --container:1160px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"Segoe UI","Be Vietnam Pro",Roboto,Arial,sans-serif;
  background:var(--bg-deep);
  color:var(--text);
  line-height:1.6;
  font-size:16px;
}
img{max-width:100%;display:block}
a{color:var(--gold-soft);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--gold)}
button{font-family:inherit;cursor:pointer}
ul{list-style:none}
.container{max-width:var(--container);margin:0 auto;padding:0 22px}

/* ===== Header ===== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:linear-gradient(180deg,#082617 0%,#0A2E1C 100%);
  border-bottom:1px solid var(--border-gold);
  box-shadow:0 4px 18px rgba(0,0,0,.45);
}
.header-inner{display:flex;align-items:center;gap:20px;height:72px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-coin{
  width:42px;height:42px;border-radius:50%;
  background:radial-gradient(circle at 32% 30%,#FFF2A8,#FFD700 55%,#B8960B);
  color:#5A2400;font-weight:800;font-size:22px;
  display:flex;align-items:center;justify-content:center;
  border:2px solid #FFF0B0;box-shadow:var(--shadow-gold);
}
.logo-text{font-weight:800;color:var(--gold);font-size:17px;line-height:1.2;display:flex;flex-direction:column}
.logo-text small{font-weight:500;color:var(--mint-dim);font-size:11px;letter-spacing:.3px}
.nav-toggle{display:none;background:none;border:1px solid var(--border-gold);border-radius:8px;padding:9px 10px;flex-direction:column;gap:4px}
.nav-toggle span{width:20px;height:2px;background:var(--gold);border-radius:2px;display:block}
.main-nav{display:flex;gap:6px;margin-left:auto}
.main-nav a{
  color:var(--mint);font-weight:600;font-size:14.5px;
  padding:9px 14px;border-radius:9px;transition:all .2s ease;
}
.main-nav a:hover{color:var(--gold);background:rgba(255,215,0,.08)}
.main-nav a.active{
  color:#0A2E1C;background:linear-gradient(135deg,#FFE873,#FFD700);
  box-shadow:0 2px 10px rgba(255,215,0,.35);
}
.auth-box{display:flex;align-items:center;gap:10px;flex-shrink:0}
.btn-login{color:var(--mint);font-weight:600;font-size:14px;padding:9px 10px}
.btn-login:hover{color:var(--gold)}
.btn-signup{
  background:linear-gradient(135deg,#E53935,#B71C1C);
  color:#fff;font-weight:700;font-size:14px;
  padding:10px 20px;border-radius:999px;
  border:1px solid rgba(255,215,0,.5);
  box-shadow:0 3px 14px rgba(211,47,47,.45);
  transition:transform .18s ease,box-shadow .18s ease;
}
.btn-signup:hover{transform:translateY(-1px);box-shadow:0 6px 20px rgba(211,47,47,.6);color:#fff}

/* ===== Hero ===== */
.hero{
  padding:150px 0 70px;
  background:
    linear-gradient(105deg,rgba(6,30,18,.94) 0%,rgba(10,46,28,.82) 52%,rgba(10,46,28,.55) 100%),
    url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
  border-bottom:1px solid var(--border-gold);
}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(211,47,47,.18);border:1px solid rgba(211,47,47,.55);
  color:#FFB0A8;font-size:13px;font-weight:700;
  padding:6px 14px;border-radius:999px;margin-bottom:18px;letter-spacing:.4px;
}
.hero h1{
  font-size:40px;line-height:1.2;font-weight:800;margin-bottom:16px;
  background:linear-gradient(120deg,#FFFFFF 0%,#FFE873 55%,#FFD700 100%);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.hero p.lead{color:var(--mint);font-size:17px;max-width:560px;margin-bottom:26px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:30px}
.btn-primary{
  display:inline-flex;align-items:center;gap:8px;
  background:linear-gradient(135deg,#FFE873,#FFD700 60%,#E6B800);
  color:#3B2A00;font-weight:800;font-size:16px;
  padding:14px 30px;border-radius:999px;border:none;
  box-shadow:var(--shadow-gold);
  transition:transform .18s ease,box-shadow .18s ease;
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 30px rgba(255,215,0,.35);color:#3B2A00}
.btn-outline{
  display:inline-flex;align-items:center;gap:8px;
  background:transparent;color:var(--gold-soft);font-weight:700;font-size:15px;
  padding:13px 26px;border-radius:999px;border:1.5px solid var(--border-gold);
  transition:all .2s ease;
}
.btn-outline:hover{background:rgba(255,215,0,.1);color:var(--gold);border-color:var(--gold)}
.hero-stats{display:flex;gap:34px;flex-wrap:wrap}
.stat b{display:block;font-size:26px;color:var(--gold);font-weight:800}
.stat span{font-size:13px;color:var(--mint-dim)}
.hero-visual{position:relative}
.hero-visual img{
  border-radius:var(--radius);
  border:1px solid var(--border-gold);
  box-shadow:var(--shadow-soft);
}
.hero-chip{
  position:absolute;left:-18px;bottom:-18px;
  background:linear-gradient(135deg,#123E25,#0A2E1C);
  border:1px solid var(--border-gold);border-radius:var(--radius-sm);
  padding:14px 18px;box-shadow:var(--shadow-gold);
}
.hero-chip b{color:var(--gold);font-size:18px;display:block}
.hero-chip span{color:var(--mint-dim);font-size:12.5px}

/* ===== Sections base ===== */
.section{padding:76px 0}
.section-alt{background:var(--bg-forest)}
.section-head{max-width:680px;margin-bottom:44px}
.section-head .kicker{
  color:var(--gold);font-size:13px;font-weight:800;letter-spacing:1.5px;
  text-transform:uppercase;display:block;margin-bottom:10px;
}
.section-head h2{font-size:30px;font-weight:800;line-height:1.3;margin-bottom:12px}
.section-head p{color:var(--mint-dim);font-size:15.5px}

/* ===== Value features ===== */
.value-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.value-item{
  border-top:2px solid var(--border-gold);
  padding:24px 4px 0;
}
.value-item .num{color:var(--gold);font-size:14px;font-weight:800;letter-spacing:1px}
.value-item h3{font-size:18px;font-weight:700;margin:8px 0 10px}
.value-item p{color:var(--mint-dim);font-size:14.5px}

/* ===== Steps / screenshots ===== */
.steps-wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:center}
.step-list{display:flex;flex-direction:column;gap:0}
.step{
  display:flex;gap:18px;padding:22px 0;border-bottom:1px solid var(--border-soft);
}
.step:last-child{border-bottom:none}
.step-no{
  flex-shrink:0;width:44px;height:44px;border-radius:50%;
  background:radial-gradient(circle at 32% 30%,#FFF2A8,#FFD700 55%,#B8960B);
  color:#5A2400;font-weight:800;font-size:18px;
  display:flex;align-items:center;justify-content:center;
  border:2px solid #FFF0B0;
}
.step h3{font-size:17px;font-weight:700;margin-bottom:6px}
.step p{color:var(--mint-dim);font-size:14.5px}
.shot-stack{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.shot-stack figure{position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--border-gold);box-shadow:var(--shadow-soft)}
.shot-stack figure:first-child{grid-column:1/-1}
.shot-stack img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.shot-stack figure:hover img{transform:scale(1.04)}
.shot-stack figcaption{
  position:absolute;left:0;right:0;bottom:0;
  background:linear-gradient(180deg,transparent,rgba(6,30,18,.92));
  padding:26px 16px 12px;font-size:13px;color:var(--mint);font-weight:600;
}

/* ===== Requirements ===== */
.req-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:start}
.req-table{border:1px solid var(--border-gold);border-radius:var(--radius);overflow:hidden}
.req-row{
  display:grid;grid-template-columns:180px 1fr;
  border-bottom:1px solid var(--border-soft);
}
.req-row:last-child{border-bottom:none}
.req-row:nth-child(odd){background:rgba(255,215,0,.04)}
.req-row .k{padding:15px 18px;color:var(--gold-soft);font-weight:700;font-size:14px;border-right:1px solid var(--border-soft)}
.req-row .v{padding:15px 18px;color:var(--mint);font-size:14.5px}
.pay-badges{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}
.pay-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(209,242,235,.07);border:1px solid var(--border-soft);
  border-radius:999px;padding:9px 18px;font-size:13.5px;font-weight:700;color:var(--mint);
}
.pay-badge i{color:var(--gold)}
.req-note{
  border-left:3px solid var(--gold);
  padding:4px 0 4px 18px;margin-top:26px;color:var(--mint-dim);font-size:14.5px;
}
.tier-box{background:var(--bg-card);border:1px solid var(--border-gold);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow-soft)}
.tier-box h3{font-size:18px;font-weight:800;color:var(--gold);margin-bottom:6px}
.tier-box>p{color:var(--mint-dim);font-size:14px;margin-bottom:18px}
.tier-bar{height:12px;border-radius:999px;background:rgba(209,242,235,.12);overflow:hidden;margin-bottom:18px}
.tier-bar span{display:block;height:100%;width:64%;background:linear-gradient(90deg,#B87333,#E5E4E2 45%,#FFD700)}
.tier-list li{
  display:flex;justify-content:space-between;align-items:center;
  padding:11px 0;border-bottom:1px dashed var(--border-soft);font-size:14.5px;color:var(--mint);
}
.tier-list li:last-child{border-bottom:none}
.tier-tag{
  font-size:11.5px;font-weight:800;padding:4px 10px;border-radius:999px;letter-spacing:.4px;
}
.tag-gold{background:rgba(255,215,0,.15);color:var(--gold);border:1px solid var(--border-gold)}
.tag-red{background:rgba(211,47,47,.18);color:#FF8A80;border:1px solid rgba(211,47,47,.5)}

/* ===== Reviews ===== */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.review-card{
  background:var(--bg-card);border:1px solid var(--border-soft);
  border-radius:var(--radius);padding:26px;
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.review-card:hover{transform:translateY(-5px);border-color:var(--border-gold);box-shadow:var(--shadow-gold)}
.review-stars{color:var(--gold);font-size:14px;letter-spacing:2px;margin-bottom:12px}
.review-card p{color:var(--mint);font-size:14.5px;margin-bottom:18px}
.review-user{display:flex;align-items:center;gap:12px}
.review-avatar{
  width:42px;height:42px;border-radius:50%;
  background:linear-gradient(135deg,#FFD700,#D32F2F);
  color:#fff;font-weight:800;font-size:16px;
  display:flex;align-items:center;justify-content:center;border:2px solid rgba(255,215,0,.5);
}
.review-user b{font-size:14px;display:block}
.review-user span{font-size:12.5px;color:var(--mint-dim)}

/* ===== FAQ ===== */
.faq-wrap{max-width:800px}
.faq-item{border-bottom:1px solid var(--border-soft)}
.faq-item summary{
  cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;
  padding:20px 4px;font-weight:700;font-size:16px;color:var(--text);
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";color:var(--gold);font-size:22px;font-weight:400;transition:transform .25s ease}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item summary:hover{color:var(--gold)}
.faq-item .faq-body{padding:0 4px 22px;color:var(--mint-dim);font-size:14.5px;max-width:700px}

/* ===== CTA ===== */
.cta-final{
  text-align:center;
  background:
    linear-gradient(180deg,rgba(6,30,18,.92),rgba(10,46,28,.94)),
    url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
  border-top:1px solid var(--border-gold);
  border-bottom:1px solid var(--border-gold);
  padding:80px 0;
}
.cta-final h2{font-size:32px;font-weight:800;margin-bottom:14px}
.cta-final h2 em{font-style:normal;color:var(--gold)}
.cta-final p{color:var(--mint);max-width:600px;margin:0 auto 30px;font-size:16px}
.cta-buttons{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.cta-note{margin-top:18px;font-size:13px;color:var(--mint-dim)}

/* ===== Footer ===== */
.site-footer{background:#071F13;border-top:1px solid var(--border-gold);padding:60px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;padding-bottom:44px}
.footer-brand h3{color:var(--gold);font-size:18px;font-weight:800;margin-bottom:12px}
.footer-brand p{color:var(--mint-dim);font-size:13.5px;line-height:1.7;margin-bottom:16px}
.age-badge{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:50%;
  border:2px solid var(--gold);color:var(--gold);font-weight:800;font-size:14px;
}
.footer-col h4{color:var(--text);font-size:14.5px;font-weight:700;margin-bottom:16px;letter-spacing:.5px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{color:var(--mint-dim);font-size:13.5px}
.footer-col ul a:hover{color:var(--gold)}
.footer-bottom{
  border-top:1px solid var(--border-soft);
  padding:20px 0 26px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  color:var(--mint-dim);font-size:12.5px;
}

/* ===== FAB ===== */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:90;
  width:60px;height:60px;border-radius:50%;
  background:radial-gradient(circle at 34% 28%,#2A1010,#120404 70%);
  border:3px solid var(--gold);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 4px 20px rgba(255,215,0,.3);
  opacity:.75;
  animation:fabFloat 3s ease-in-out infinite;
  transition:transform .22s ease,opacity .22s ease;
}
.fab:hover{opacity:1;transform:scale(1.1)}
.fab:hover .fab-icon{transform:rotate(360deg)}
.fab:active{transform:scale(.95) translateY(2px)}
.fab-icon{font-size:26px;transition:transform .5s ease;line-height:1}
.fab-dot{
  position:absolute;top:2px;right:2px;width:12px;height:12px;border-radius:50%;
  background:#FF1744;border:2px solid #120404;animation:fabBlink 1.4s infinite;
}
@keyframes fabFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}
@keyframes fabBlink{0%,100%{opacity:1}50%{opacity:.25}}

/* ===== Responsive ===== */
@media (max-width:1024px){
  .hero h1{font-size:33px}
  .hero-grid{gap:34px}
  .value-grid,.review-grid{grid-template-columns:repeat(2,1fr)}
  .req-grid{grid-template-columns:1fr;gap:34px}
}
@media (max-width:768px){
  .nav-toggle{display:flex}
  .main-nav{
    position:absolute;top:72px;left:0;right:0;
    background:#082617;border-bottom:1px solid var(--border-gold);
    flex-direction:column;padding:14px 22px;gap:4px;display:none;
  }
  .main-nav.open{display:flex}
  .main-nav a{padding:12px 14px}
  .logo-text{font-size:15px}
  .hero{padding:130px 0 56px}
  .hero-grid{grid-template-columns:1fr}
  .hero-visual{max-width:520px}
  .steps-wrap{grid-template-columns:1fr;gap:36px}
  .section{padding:58px 0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
}
@media (max-width:520px){
  .header-inner{gap:10px}
  .btn-login{display:inline-flex;padding:8px 6px;font-size:13px}
  .btn-signup{padding:9px 14px;font-size:13px}
  .logo-text small{display:none}
  .hero h1{font-size:27px}
  .hero-stats{gap:20px}
  .value-grid,.review-grid{grid-template-columns:1fr}
  .shot-stack{grid-template-columns:1fr}
  .req-row{grid-template-columns:1fr}
  .req-row .k{border-right:none;border-bottom:1px dashed var(--border-soft);padding-bottom:8px}
  .req-row .v{padding-top:8px}
  .cta-final h2{font-size:25px}
  .section-head h2{font-size:24px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
}

/* roulang page: category3 */
:root{
  --bg-deep:#0A2E1C;
  --bg-forest:#123E25;
  --bg-panel:#0E3421;
  --gold:#FFD700;
  --gold-soft:#F2CC5C;
  --red:#D32F2F;
  --white:#FFFFFF;
  --mint:#D1F2EB;
  --mint-dim:#9BC9BC;
  --border-gold:rgba(255,215,0,.35);
  --border-soft:rgba(209,242,235,.14);
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 10px 30px rgba(0,0,0,.35);
  --shadow-gold:0 4px 20px rgba(255,215,0,.22);
  --tr:all .25s ease;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Be Vietnam Pro',system-ui,-apple-system,sans-serif;
  background:linear-gradient(160deg,var(--bg-deep) 0%,var(--bg-forest) 55%,#0A2E1C 100%);
  color:var(--white);
  line-height:1.6;
  font-size:16px;
  min-height:100vh;
}
img{max-width:100%;display:block}
a{color:var(--gold);text-decoration:none;transition:var(--tr)}
a:hover{color:var(--gold-soft)}
button{font-family:inherit;cursor:pointer}
ul{list-style:none}
.container{max-width:1180px;margin:0 auto;padding:0 20px}

/* ===== Header ===== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(10,46,28,.92);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border-gold);
  box-shadow:0 2px 16px rgba(0,0,0,.4);
}
.header-inner{display:flex;align-items:center;gap:20px;height:70px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-coin{
  width:42px;height:42px;border-radius:50%;
  background:radial-gradient(circle at 32% 30%,#FFF2A8,var(--gold) 55%,#B8860B);
  color:#5A3E00;font-weight:900;font-size:20px;
  display:flex;align-items:center;justify-content:center;
  border:2px solid #FFE98A;box-shadow:var(--shadow-gold);
}
.logo-text{font-weight:800;font-size:15px;color:var(--gold);line-height:1.2;display:flex;flex-direction:column}
.logo-text small{color:var(--mint-dim);font-weight:500;font-size:10.5px}
.main-nav{display:flex;gap:6px;margin-left:auto}
.main-nav a{
  color:var(--mint);font-weight:600;font-size:14.5px;
  padding:9px 14px;border-radius:8px;
}
.main-nav a:hover{color:var(--gold);background:rgba(255,215,0,.08)}
.main-nav a.active{
  color:#0A2E1C;background:linear-gradient(135deg,var(--gold),#E8B900);
  box-shadow:var(--shadow-gold);
}
.auth-box{display:flex;align-items:center;gap:10px;flex-shrink:0}
.btn-login{color:var(--mint);font-weight:600;font-size:14px;padding:9px 10px}
.btn-login:hover{color:var(--gold)}
.btn-signup{
  background:linear-gradient(135deg,var(--red),#B71C1C);
  color:#fff;font-weight:700;font-size:14px;
  padding:10px 20px;border-radius:999px;
  border:1px solid rgba(255,215,0,.5);
  box-shadow:0 4px 14px rgba(211,47,47,.4);
}
.btn-signup:hover{transform:translateY(-2px);box-shadow:0 6px 20px rgba(211,47,47,.55);color:#fff}
.nav-toggle{display:none;background:none;border:1px solid var(--border-gold);border-radius:8px;padding:9px;flex-direction:column;gap:4px;margin-left:auto}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--gold);border-radius:2px}

/* ===== Hero ===== */
.hero{
  padding:130px 0 70px;
  background:
    linear-gradient(105deg,rgba(10,46,28,.96) 40%,rgba(10,46,28,.78) 70%,rgba(10,46,28,.6)),
    url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
  border-bottom:1px solid var(--border-gold);
}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(211,47,47,.18);border:1px solid rgba(211,47,47,.5);
  color:#FFB4B4;font-size:12.5px;font-weight:700;letter-spacing:.5px;
  padding:6px 14px;border-radius:999px;margin-bottom:18px;
}
.hero-eyebrow .dot{width:8px;height:8px;border-radius:50%;background:var(--red);animation:pulse 1.6s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.3}}
.hero h1{
  font-size:40px;line-height:1.2;font-weight:900;margin-bottom:18px;
}
.hero h1 em{font-style:normal;color:var(--gold);text-shadow:0 0 24px rgba(255,215,0,.35)}
.hero-sub{color:var(--mint);font-size:17px;max-width:560px;margin-bottom:28px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:30px}
.btn-gold{
  background:linear-gradient(135deg,#FFE55C,var(--gold) 50%,#D4AF00);
  color:#3C2E00;font-weight:800;font-size:16px;
  padding:15px 30px;border-radius:999px;display:inline-block;
  box-shadow:var(--shadow-gold);border:1px solid #FFF0A0;
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 8px 26px rgba(255,215,0,.4);color:#3C2E00}
.btn-outline{
  border:1.5px solid var(--border-gold);color:var(--gold);
  font-weight:700;font-size:15px;padding:14px 26px;border-radius:999px;display:inline-block;
}
.btn-outline:hover{background:rgba(255,215,0,.1);color:var(--gold)}
.hero-stats{display:flex;gap:32px;flex-wrap:wrap}
.hero-stat strong{display:block;font-size:26px;font-weight:900;color:var(--gold)}
.hero-stat span{font-size:13px;color:var(--mint-dim)}

/* Faux leaderboard panel */
.win-panel{
  background:rgba(10,46,28,.82);
  border:1px solid var(--border-gold);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  overflow:hidden;
}
.win-panel-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 20px;border-bottom:1px solid var(--border-soft);
  background:linear-gradient(90deg,rgba(255,215,0,.12),transparent);
}
.win-panel-head h3{font-size:15px;font-weight:800;color:var(--gold)}
.live-badge{
  font-size:11px;font-weight:800;color:#FFB4B4;
  background:rgba(211,47,47,.2);border:1px solid rgba(211,47,47,.5);
  padding:4px 10px;border-radius:999px;display:inline-flex;align-items:center;gap:6px;
}
.live-badge::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--red);animation:pulse 1.4s infinite}
.win-row{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:13px 20px;border-bottom:1px solid var(--border-soft);
  font-size:14px;
}
.win-row:last-child{border-bottom:none}
.win-user{color:var(--mint);font-weight:600}
.win-user small{display:block;color:var(--mint-dim);font-weight:400;font-size:12px}
.win-amount{color:var(--gold);font-weight:800;white-space:nowrap}
.win-tag{
  font-size:10.5px;font-weight:800;color:#fff;background:var(--red);
  padding:2px 8px;border-radius:6px;margin-left:8px;vertical-align:middle;
}

/* ===== Sections base ===== */
.section{padding:70px 0}
.section-alt{background:rgba(18,62,37,.55);border-top:1px solid var(--border-soft);border-bottom:1px solid var(--border-soft)}
.sec-head{max-width:640px;margin-bottom:42px}
.sec-kicker{
  display:inline-block;font-size:12px;font-weight:800;letter-spacing:1.5px;
  color:var(--gold);text-transform:uppercase;margin-bottom:10px;
  border-bottom:2px solid var(--gold);padding-bottom:4px;
}
.sec-head h2{font-size:30px;font-weight:900;line-height:1.25;margin-bottom:12px}
.sec-head p{color:var(--mint-dim);font-size:15.5px}

/* ===== Tips grid ===== */
.tips-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.tip-card{
  background:var(--bg-panel);
  border:1px solid var(--border-gold);
  border-radius:var(--radius);
  padding:26px 24px;
  transition:var(--tr);
  position:relative;
}
.tip-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-gold);border-color:var(--gold)}
.tip-num{
  width:44px;height:44px;border-radius:12px;
  background:linear-gradient(135deg,var(--gold),#C99700);
  color:#3C2E00;font-weight:900;font-size:19px;
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;
}
.tip-card h3{font-size:17.5px;font-weight:800;margin-bottom:10px;color:var(--white)}
.tip-card p{font-size:14.5px;color:var(--mint-dim)}
.tip-hot{
  position:absolute;top:16px;right:16px;
  background:var(--red);color:#fff;font-size:10.5px;font-weight:800;
  padding:3px 10px;border-radius:6px;letter-spacing:.5px;
}

/* ===== Golden hours ===== */
.hours-wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:42px;align-items:center}
.hours-img{border-radius:var(--radius);overflow:hidden;border:1px solid var(--border-gold);box-shadow:var(--shadow)}
.hours-img img{width:100%;height:100%;object-fit:cover}
.hours-list li{
  display:flex;gap:16px;padding:18px 0;border-bottom:1px solid var(--border-soft);
}
.hours-list li:last-child{border-bottom:none}
.hour-badge{
  flex-shrink:0;min-width:110px;text-align:center;
  background:rgba(255,215,0,.1);border:1px solid var(--border-gold);
  color:var(--gold);font-weight:800;font-size:14px;
  padding:8px 12px;border-radius:var(--radius-sm);height:fit-content;
}
.hours-list h4{font-size:15.5px;font-weight:700;margin-bottom:4px}
.hours-list p{font-size:14px;color:var(--mint-dim)}
.rate-pill{
  display:inline-block;margin-left:8px;font-size:11px;font-weight:800;
  color:#0A2E1C;background:var(--gold);padding:2px 9px;border-radius:999px;
}

/* ===== Steps ===== */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;counter-reset:step}
.step{
  position:relative;padding:0 22px 0 0;
}
.step + .step{border-left:1px dashed var(--border-gold);padding-left:22px}
.step-icon{
  width:52px;height:52px;border-radius:50%;
  background:radial-gradient(circle at 32% 30%,#FFF2A8,var(--gold) 60%,#B8860B);
  display:flex;align-items:center;justify-content:center;
  font-size:22px;margin-bottom:16px;border:2px solid #FFE98A;
  box-shadow:var(--shadow-gold);
}
.step h3{font-size:16px;font-weight:800;margin-bottom:8px}
.step h3 span{color:var(--gold);margin-right:6px}
.step p{font-size:14px;color:var(--mint-dim)}

/* ===== Mistakes ===== */
.mistakes{display:grid;grid-template-columns:1fr 1fr;gap:18px 32px}
.mistake{
  display:flex;gap:14px;align-items:flex-start;
  padding:18px 20px;border-radius:var(--radius-sm);
  background:rgba(211,47,47,.07);border:1px solid rgba(211,47,47,.3);
  transition:var(--tr);
}
.mistake:hover{border-color:var(--red);background:rgba(211,47,47,.12)}
.mistake-x{
  flex-shrink:0;width:30px;height:30px;border-radius:50%;
  background:var(--red);color:#fff;font-weight:900;font-size:15px;
  display:flex;align-items:center;justify-content:center;
}
.mistake h4{font-size:15px;font-weight:700;margin-bottom:4px}
.mistake p{font-size:13.5px;color:var(--mint-dim)}

/* ===== Testimonials ===== */
.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.quote{
  background:var(--bg-panel);border:1px solid var(--border-soft);
  border-radius:var(--radius);padding:26px 24px;transition:var(--tr);
}
.quote:hover{border-color:var(--border-gold);transform:translateY(-4px)}
.quote-stars{color:var(--gold);font-size:15px;letter-spacing:2px;margin-bottom:12px}
.quote p{font-size:14.5px;color:var(--mint);margin-bottom:16px;font-style:italic}
.quote-who{display:flex;align-items:center;gap:12px}
.quote-avatar{
  width:40px;height:40px;border-radius:50%;
  background:linear-gradient(135deg,var(--gold),#C99700);
  color:#3C2E00;font-weight:900;display:flex;align-items:center;justify-content:center;font-size:15px;
}
.quote-who strong{display:block;font-size:14px}
.quote-who span{font-size:12px;color:var(--mint-dim)}
.quote-prize{color:var(--gold);font-weight:800;font-size:13px;margin-left:auto;text-align:right}

/* ===== Payment strip ===== */
.pay-strip{
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  background:linear-gradient(90deg,rgba(255,215,0,.1),rgba(255,215,0,.02));
  border:1px solid var(--border-gold);border-radius:var(--radius);
  padding:26px 32px;
}
.pay-strip h3{font-size:19px;font-weight:800}
.pay-strip p{font-size:14px;color:var(--mint-dim);margin-top:4px}
.pay-badges{display:flex;gap:12px;flex-wrap:wrap}
.pay-badge{
  background:#fff;color:#0A2E1C;font-weight:800;font-size:13.5px;
  padding:10px 18px;border-radius:var(--radius-sm);
  box-shadow:0 3px 10px rgba(0,0,0,.3);
}
.pay-badge.momo{background:#A50064;color:#fff}
.pay-badge.zalo{background:#0068FF;color:#fff}
.pay-badge.vietqr{background:#12306B;color:#fff}

/* ===== FAQ ===== */
.faq-list{max-width:820px}
.faq-item{
  border:1px solid var(--border-soft);border-radius:var(--radius-sm);
  margin-bottom:14px;background:var(--bg-panel);overflow:hidden;
}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 22px;
  font-weight:700;font-size:15.5px;color:var(--white);
  display:flex;justify-content:space-between;align-items:center;gap:16px;
  transition:var(--tr);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";font-size:22px;color:var(--gold);font-weight:400;flex-shrink:0;
  transition:var(--tr);
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item[open] summary{color:var(--gold);border-bottom:1px solid var(--border-soft)}
.faq-item summary:hover{background:rgba(255,215,0,.05)}
.faq-body{padding:16px 22px 20px;font-size:14.5px;color:var(--mint-dim)}

/* ===== CTA ===== */
.cta-final{
  text-align:center;
  background:
    linear-gradient(rgba(10,46,28,.88),rgba(10,46,28,.92)),
    url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
  border-top:1px solid var(--border-gold);
  border-bottom:1px solid var(--border-gold);
  padding:80px 0;
}
.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 28px;font-size:16px}
.cta-note{margin-top:18px;font-size:13px;color:var(--mint-dim)}

/* ===== Footer ===== */
.site-footer{padding:60px 0 30px;background:#082418;border-top:1px solid var(--border-gold)}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:36px;margin-bottom:40px}
.footer-brand h3{color:var(--gold);font-size:18px;font-weight:800;margin-bottom:12px}
.footer-brand p{font-size:13.5px;color:var(--mint-dim);margin-bottom:16px}
.age-badge{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:50%;
  border:2px solid var(--gold);color:var(--gold);font-weight:900;font-size:15px;
}
.footer-col h4{font-size:14.5px;font-weight:800;color:var(--gold);margin-bottom:14px}
.footer-col li{margin-bottom:9px}
.footer-col a{color:var(--mint-dim);font-size:13.5px}
.footer-col a:hover{color:var(--gold)}
.footer-bottom{
  border-top:1px solid var(--border-soft);padding-top:22px;
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:12.5px;color:var(--mint-dim);
}

/* ===== FAB ===== */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:90;
  width:60px;height:60px;border-radius:50%;
  background:radial-gradient(circle at 32% 28%,#3A0F0F,#1A0505 70%);
  border:3px solid var(--gold);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 4px 20px rgba(255,215,0,.3);
  opacity:.75;animation:fabFloat 3s ease-in-out infinite;
  font-size:26px;
}
@keyframes fabFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}
.fab:hover{opacity:1;transform:scale(1.1);animation:none}
.fab:hover .fab-icon{transform:rotate(360deg)}
.fab:active{transform:scale(.95) translateY(2px)}
.fab-icon{display:block;transition:transform .5s ease}
.fab-dot{
  position:absolute;top:2px;right:2px;width:12px;height:12px;border-radius:50%;
  background:var(--red);border:2px solid #1A0505;animation:pulse 1.4s infinite;
}

/* ===== Responsive ===== */
@media(max-width:1024px){
  .hero h1{font-size:33px}
  .tips-grid,.quotes{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr);gap:28px}
  .step + .step{border-left:none;padding-left:0}
  .step:nth-child(even){border-left:1px dashed var(--border-gold);padding-left:22px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
  .nav-toggle{display:flex}
  .main-nav{
    display:none;position:absolute;top:70px;left:0;right:0;
    flex-direction:column;background:rgba(10,46,28,.98);
    border-bottom:1px solid var(--border-gold);padding:12px 20px 18px;gap:4px;
  }
  .main-nav.open{display:flex}
  .main-nav a{padding:12px 14px}
  .logo-text{font-size:13px}
  .hero{padding:110px 0 56px}
  .hero-grid,.hours-wrap{grid-template-columns:1fr;gap:34px}
  .hero h1{font-size:28px}
  .mistakes{grid-template-columns:1fr}
  .sec-head h2{font-size:25px}
  .cta-final h2{font-size:26px}
  .pay-strip{flex-direction:column;align-items:flex-start}
}
@media(max-width:520px){
  .btn-login{padding:8px 6px;font-size:13px}
  .btn-signup{padding:9px 14px;font-size:13px}
  .logo-text small{display:none}
  .hero h1{font-size:24px}
  .hero-stats{gap:20px}
  .tips-grid,.quotes{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .step:nth-child(even){border-left:none;padding-left:0}
  .step{border-bottom:1px dashed var(--border-gold);padding-bottom:24px}
  .step:last-child{border-bottom:none}
  .win-row{font-size:13px;padding:12px 16px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
}