/* roulang page: index */
:root{
  --bg-deep:#0A2E1C;
  --bg-forest:#123E25;
  --bg-panel:#0E3620;
  --gold:#FFD700;
  --gold-soft:#F0D46B;
  --red:#D32F2F;
  --white:#FFFFFF;
  --mint:#D1F2EB;
  --mint-dim:#9CC9BC;
  --line:rgba(255,215,0,.22);
  --line-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,.25);
  --container:1180px;
  --font:'Be Vietnam Pro','Segoe UI',Roboto,Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  background:linear-gradient(180deg,var(--bg-deep) 0%,var(--bg-forest) 55%,var(--bg-deep) 100%);
  color:var(--white);
  line-height:1.65;
  min-height:100vh;
}
img{max-width:100%;display:block}
a{color:var(--gold-soft);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--gold)}
a:focus-visible,button:focus-visible{outline:2px solid var(--gold);outline-offset:2px}
button{font-family:inherit;cursor:pointer;border:none;background:none}
ul{list-style:none}
.container{max-width:var(--container);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(10px);
  border-bottom:1px solid var(--line);
  box-shadow:0 2px 18px rgba(0,0,0,.4);
}
.header-inner{display:flex;align-items:center;gap:22px;height:66px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-badge{
  width:42px;height:42px;border-radius:50%;
  background:radial-gradient(circle at 32% 28%,#FFF3B0,var(--gold) 55%,#B8860B);
  display:flex;align-items:center;justify-content:center;
  font-weight:800;color:#5A1414;font-size:15px;
  border:2px solid #FFF3B0;
  box-shadow:var(--shadow-gold);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:17px;color:var(--gold);letter-spacing:.3px}
.brand-text span{font-size:10.5px;color:var(--mint-dim)}
.main-nav{display:flex;align-items:center;gap:4px;flex:1;min-width:0}
.main-nav a{
  color:var(--mint);font-size:14.5px;font-weight:600;
  padding:9px 14px;border-radius:8px;white-space:nowrap;
  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-zone{display:flex;align-items:center;gap:10px;margin-left:auto;flex-shrink:0}
.btn-login{color:var(--mint);font-weight:600;font-size:14px;padding:9px 10px;border-radius:8px;transition:color .2s}
.btn-login:hover{color:var(--gold)}
.btn-signup{
  background:linear-gradient(135deg,var(--gold),#E6A800);
  color:#3D1A00;font-weight:800;font-size:14px;
  padding:10px 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 6px 26px rgba(255,215,0,.4);color:#3D1A00}
.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:transform .25s,opacity .25s}
.nav-toggle.open span:nth-child(1){transform:translateY(7.5px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7.5px) rotate(-45deg)}

/* ===== Hero ===== */
.hero{
  position:relative;
  padding:130px 0 70px;
  background:linear-gradient(rgba(8,34,20,.86),rgba(10,46,28,.94)),url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.hero-tagline{
  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:.5px;
  padding:6px 14px;border-radius:999px;margin-bottom:18px;
}
.hero-tagline .dot{width:8px;height:8px;border-radius:50%;background:var(--red);animation:pulse 1.6s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.hero h1{
  font-size:38px;line-height:1.25;font-weight:800;margin-bottom:18px;
  background:linear-gradient(90deg,#FFF3B0,var(--gold) 45%,#FFE58A);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.hero-desc{color:var(--mint);font-size:16px;max-width:560px;margin-bottom:26px}
.hero-cta-row{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px}
.btn-primary{
  background:linear-gradient(135deg,var(--gold),#E6A800);
  color:#3D1A00;font-weight:800;font-size:15.5px;
  padding:14px 30px;border-radius:999px;display:inline-flex;align-items:center;gap:9px;
  box-shadow:var(--shadow-gold);transition:transform .2s,box-shadow .2s;
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 30px rgba(255,215,0,.45);color:#3D1A00}
.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 26px;border-radius:999px;
  display:inline-flex;align-items:center;gap:8px;transition:background .2s,transform .2s;
}
.btn-outline:hover{background:rgba(255,215,0,.12);transform:translateY(-2px);color:var(--gold)}
.hero-stats{display:flex;gap:34px;flex-wrap:wrap}
.hero-stat strong{display:block;font-size:23px;color:var(--gold);font-weight:800}
.hero-stat span{font-size:12.5px;color:var(--mint-dim)}
/* progress panel */
.hero-panel{
  background:rgba(14,54,32,.82);border:1px solid var(--line);
  border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);
}
.panel-head{display:flex;align-items:center;gap:20px;margin-bottom:22px}
.ring-wrap{position:relative;width:118px;height:118px;flex-shrink:0}
.ring-wrap svg{transform:rotate(-90deg)}
.ring-bg{stroke:rgba(209,242,235,.15);fill:none;stroke-width:9}
.ring-fg{stroke:url(#goldGrad);fill:none;stroke-width:9;stroke-linecap:round;stroke-dasharray:326.7;stroke-dashoffset:6.5;filter:drop-shadow(0 0 5px rgba(255,215,0,.5))}
.ring-label{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center}
.ring-label strong{font-size:22px;color:var(--gold)}
.ring-label span{font-size:10px;color:var(--mint-dim)}
.panel-head-txt h2{font-size:17px;color:var(--white);margin-bottom:6px}
.panel-head-txt p{font-size:13px;color:var(--mint-dim)}
.mirror-list{display:flex;flex-direction:column;gap:11px}
.mirror-item{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  background:rgba(10,46,28,.7);border:1px solid var(--line-soft);
  border-radius:var(--radius-sm);padding:12px 15px;
  transition:border-color .2s,transform .2s;
}
.mirror-item:hover{border-color:var(--gold);transform:translateX(4px)}
.mirror-name{display:flex;align-items:center;gap:10px;font-size:14px;font-weight:600;color:var(--mint)}
.mirror-name .st{width:9px;height:9px;border-radius:50%;background:#38D67A;box-shadow:0 0 8px rgba(56,214,122,.8);animation:pulse 2s infinite}
.mirror-tag{font-size:11px;font-weight:800;color:#3D1A00;background:var(--gold);padding:3px 11px;border-radius:999px;white-space:nowrap}
.mirror-tag.hot{background:var(--red);color:#fff}

/* ===== sections base ===== */
section{padding:64px 0}
.sec-head{margin-bottom:34px;max-width:720px}
.sec-kicker{font-size:12px;font-weight:800;letter-spacing:2px;color:var(--red);text-transform:uppercase;margin-bottom:8px;display:flex;align-items:center;gap:10px}
.sec-kicker::before{content:"";width:26px;height:2px;background:var(--red)}
.sec-head h2{font-size:28px;color:var(--gold);line-height:1.3;margin-bottom:12px;font-weight:800}
.sec-head p{color:var(--mint-dim);font-size:15px}
.divider-gold{height:1px;background:linear-gradient(90deg,transparent,var(--line),transparent)}

/* ===== category entries ===== */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.cat-card{
  position:relative;border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--line);background:var(--bg-panel);
  transition:transform .25s,box-shadow .25s,border-color .25s;
  display:flex;flex-direction:column;
}
.cat-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-gold);border-color:var(--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(1.07)}
.cat-card .thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(10,46,28,.92))}
.cat-flag{position:absolute;top:12px;left:12px;z-index:2;background:var(--red);color:#fff;font-size:11px;font-weight:800;padding:4px 12px;border-radius:6px;letter-spacing:.5px}
.cat-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.cat-body h3{font-size:17.5px;color:var(--white)}
.cat-body p{font-size:13.5px;color:var(--mint-dim);flex:1}
.cat-link{font-size:13.5px;font-weight:800;color:var(--gold);display:inline-flex;align-items:center;gap:7px}
.cat-link::after{content:"→";transition:transform .2s}
.cat-card:hover .cat-link::after{transform:translateX(4px)}

/* ===== resource list (games) ===== */
.res-section{background:rgba(8,30,18,.55)}
.res-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.game-card{
  background:var(--bg-panel);border:1px solid var(--line);
  border-radius:var(--radius-sm);overflow:hidden;position:relative;
  transition:transform .25s,box-shadow .25s;
}
.game-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-gold)}
.game-card .g-thumb{height:120px;overflow:hidden}
.game-card .g-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s}
.game-card:hover .g-thumb img{transform:scale(1.08)}
.g-tag{position:absolute;top:10px;right:10px;background:var(--red);color:#fff;font-size:10px;font-weight:800;padding:3px 9px;border-radius:5px;z-index:2}
.g-tag.new{background:var(--gold);color:#3D1A00}
.g-body{padding:13px 15px 16px}
.g-body h3{font-size:14.5px;color:var(--white);margin-bottom:5px}
.g-body p{font-size:12px;color:var(--mint-dim)}
.g-rtp{margin-top:9px;font-size:11.5px;font-weight:700;color:var(--gold);display:flex;align-items:center;gap:6px}
.g-rtp::before{content:"★";color:var(--gold)}

/* ===== guide steps ===== */
.guide-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;align-items:center}
.guide-visual{position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
.guide-visual img{width:100%;height:100%;object-fit:cover;min-height:340px}
.guide-visual::after{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(10,46,28,.15),rgba(10,46,28,.55))}
.step-list{display:flex;flex-direction:column;gap:0;counter-reset:step}
.step-item{display:flex;gap:18px;padding:18px 0;border-bottom:1px dashed var(--line-soft)}
.step-item:last-child{border-bottom:none}
.step-num{
  counter-increment:step;flex-shrink:0;width:44px;height:44px;border-radius:50%;
  background:radial-gradient(circle at 32% 28%,#FFF3B0,var(--gold) 60%,#B8860B);
  display:flex;align-items:center;justify-content:center;
  font-weight:800;color:#5A1414;font-size:17px;border:2px solid #FFF3B0;
}
.step-num::before{content:counter(step)}
.step-txt h3{font-size:16px;color:var(--white);margin-bottom:5px}
.step-txt p{font-size:13.5px;color:var(--mint-dim)}

/* ===== trust badges ===== */
.trust-section{background:rgba(8,30,18,.55)}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.trust-item{
  border:1px solid var(--line-soft);border-radius:var(--radius-sm);
  padding:22px 20px;background:rgba(14,54,32,.5);
  transition:border-color .25s,transform .25s;
}
.trust-item:hover{border-color:var(--gold);transform:translateY(-4px)}
.trust-icon{
  width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:rgba(255,215,0,.14);font-size:21px;margin-bottom:14px;
}
.trust-item h3{font-size:15.5px;color:var(--gold-soft);margin-bottom:7px}
.trust-item p{font-size:13px;color:var(--mint-dim)}
.pay-strip{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px;align-items:center}
.pay-badge{
  background:rgba(255,255,255,.06);border:1px solid var(--line-soft);
  color:var(--mint);font-size:13px;font-weight:700;padding:9px 18px;border-radius:999px;
  display:inline-flex;align-items:center;gap:8px;
}
.pay-badge b{color:var(--gold)}

/* ===== hot topics ===== */
.topic-cloud{display:flex;flex-wrap:wrap;gap:12px}
.topic-pill{
  background:rgba(255,215,0,.08);border:1px solid var(--line);
  color:var(--gold-soft);font-size:13.5px;font-weight:600;
  padding:10px 20px;border-radius:999px;transition:background .2s,transform .2s;
}
.topic-pill:hover{background:rgba(255,215,0,.18);transform:translateY(-2px);color:var(--gold)}

/* ===== news ===== */
.news-grid{display:grid;grid-template-columns:1.4fr .6fr;gap:38px;align-items:start}
.news-list{display:flex;flex-direction:column}
.news-item{
  display:flex;align-items:baseline;gap:16px;padding:15px 6px;
  border-bottom:1px solid var(--line-soft);transition:background .2s;
}
.news-item:hover{background:rgba(255,215,0,.05)}
.news-item .n-date{flex-shrink:0;font-size:12px;color:var(--mint-dim);font-weight:600;min-width:88px}
.news-item .n-title{font-size:15px;font-weight:600;color:var(--mint);line-height:1.45}
.news-item .n-title:hover{color:var(--gold)}
.news-item .n-cat{flex-shrink:0;margin-left:auto;font-size:11px;font-weight:700;color:#3D1A00;background:var(--gold-soft);padding:3px 10px;border-radius:5px;white-space:nowrap}
.news-empty{padding:26px 6px;color:var(--mint-dim);font-size:14px;font-style:italic}
.news-aside{
  background:rgba(14,54,32,.7);border:1px solid var(--line);
  border-radius:var(--radius);padding:26px;
}
.news-aside h3{font-size:16.5px;color:var(--gold);margin-bottom:14px}
.news-aside p{font-size:13.5px;color:var(--mint-dim);margin-bottom:18px}
.aside-links{display:flex;flex-direction:column;gap:10px}
.aside-links a{
  display:flex;align-items:center;gap:9px;font-size:13.5px;font-weight:600;color:var(--mint);
  padding:10px 13px;background:rgba(10,46,28,.7);border-radius:var(--radius-sm);
  border:1px solid var(--line-soft);transition:border-color .2s,color .2s;
}
.aside-links a:hover{border-color:var(--gold);color:var(--gold)}
.aside-links a::before{content:"◆";color:var(--red);font-size:9px}

/* ===== changelog ===== */
.log-section{background:rgba(8,30,18,.55)}
.log-timeline{position:relative;padding-left:34px;max-width:820px}
.log-timeline::before{content:"";position:absolute;left:9px;top:6px;bottom:6px;width:2px;background:linear-gradient(180deg,var(--gold),rgba(255,215,0,.1))}
.log-item{position:relative;padding-bottom:28px}
.log-item:last-child{padding-bottom:0}
.log-item::before{
  content:"";position:absolute;left:-31px;top:5px;width:14px;height:14px;border-radius:50%;
  background:var(--gold);border:3px solid var(--bg-deep);box-shadow:0 0 8px rgba(255,215,0,.6);
}
.log-date{font-size:12px;font-weight:800;color:var(--red);letter-spacing:1px;margin-bottom:5px}
.log-item h3{font-size:16px;color:var(--white);margin-bottom:5px}
.log-item p{font-size:13.5px;color:var(--mint-dim);max-width:640px}

/* ===== FAQ ===== */
.faq-wrap{max-width:860px}
.faq-item{border:1px solid var(--line-soft);border-radius:var(--radius-sm);margin-bottom:13px;background:rgba(14,54,32,.5);overflow:hidden;transition:border-color .2s}
.faq-item[open]{border-color:var(--gold)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:17px 20px;
  font-size:15.5px;font-weight:700;color:var(--mint);
  display:flex;justify-content:space-between;align-items:center;gap:14px;
  transition:color .2s;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:21px;color:var(--gold);font-weight:400;transition:transform .25s}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item summary:hover{color:var(--gold)}
.faq-body{padding:0 20px 18px;font-size:14px;color:var(--mint-dim);line-height:1.7}

/* ===== CTA ===== */
.cta-final{
  text-align:center;
  background:linear-gradient(rgba(10,46,28,.88),rgba(10,46,28,.94)),url('/assets/images/backpic/back-3.jpg') center/cover no-repeat;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.cta-final h2{font-size:30px;color:var(--gold);margin-bottom:14px;font-weight:800}
.cta-final p{color:var(--mint);max-width:620px;margin:0 auto 28px;font-size:15.5px}
.cta-btns{display:flex;justify-content:center;gap:16px;flex-wrap:wrap}

/* ===== footer ===== */
.site-footer{background:#07220F;border-top:1px solid var(--line);padding:52px 0 0}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:36px;padding-bottom:40px}
.footer-brand p{font-size:13px;color:var(--mint-dim);margin-top:14px;max-width:300px}
.badge-18{
  display:inline-flex;align-items:center;gap:8px;margin-top:18px;
  border:1.5px solid var(--gold);color:var(--gold);font-weight:800;font-size:13px;
  padding:7px 15px;border-radius:8px;
}
.footer-col h4{font-size:14px;color:var(--gold);letter-spacing:1px;text-transform:uppercase;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a,.footer-col li{font-size:13.5px;color:var(--mint-dim)}
.footer-col a:hover{color:var(--gold)}
.footer-bottom{border-top:1px solid var(--line-soft);padding:18px 0;display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap}
.footer-bottom p{font-size:12.5px;color:var(--mint-dim)}
.footer-bottom .lic{font-size:12px;color:var(--gold-soft)}

/* ===== FAB ===== */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:120;
  width:60px;height:60px;border-radius:50%;
  background:radial-gradient(circle at 32% 28%,#3a0d0d,#5A1414 55%,#2a0808);
  border:3px solid var(--gold);
  display:flex;align-items:center;justify-content:center;
  font-size:25px;color:var(--gold);
  box-shadow:0 4px 20px rgba(255,215,0,.3);
  opacity:.75;animation:fabFloat 3.2s ease-in-out infinite;
  transition:transform .25s,opacity .25s;
}
@keyframes fabFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-7px)}}
.fab:hover{opacity:1;transform:scale(1.1);animation-play-state:paused}
.fab:hover .fab-icon{transform:rotate(360deg)}
.fab:active{transform:scale(.95) translateY(2px)}
.fab-icon{display:inline-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:pulse 1.4s infinite}

/* ===== responsive ===== */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:38px}
  .hero h1{font-size:32px}
  .cat-grid{grid-template-columns:repeat(3,1fr)}
  .res-grid{grid-template-columns:repeat(3,1fr)}
  .trust-grid{grid-template-columns:repeat(2,1fr)}
  .guide-grid{grid-template-columns:1fr;gap:32px}
  .guide-visual img{min-height:260px}
  .news-grid{grid-template-columns:1fr;gap:30px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .nav-toggle{display:flex}
  .main-nav{
    position:fixed;top:66px;left:0;right:0;
    background:rgba(8,30,18,.98);border-bottom:1px solid var(--line);
    flex-direction:column;align-items:stretch;padding:14px 20px 20px;gap:6px;
    transform:translateY(-130%);transition:transform .3s ease;
  }
  .main-nav.open{transform:translateY(0)}
  .main-nav a{padding:13px 14px;font-size:15px}
  .cat-grid{grid-template-columns:1fr}
  .res-grid{grid-template-columns:repeat(2,1fr)}
  .hero{padding:106px 0 54px}
  .hero h1{font-size:27px}
  section{padding:50px 0}
  .sec-head h2{font-size:23px}
  .cta-final h2{font-size:25px}
  .news-item .n-cat{display:none}
  .btn-login{font-size:13px;padding:8px 6px}
  .btn-signup{font-size:13px;padding:9px 15px}
  .brand-text span{display:none}
}
@media (max-width:520px){
  .res-grid{grid-template-columns:1fr 1fr;gap:13px}
  .trust-grid{grid-template-columns:1fr}
  .hero-stats{gap:22px}
  .panel-head{flex-direction:column;text-align:center}
  .news-item{flex-wrap:wrap;gap:6px}
  .news-item .n-date{min-width:auto}
  .footer-grid{grid-template-columns:1fr}
  .hero h1{font-size:23px}
  .hero-cta-row .btn-primary,.hero-cta-row .btn-outline{width:100%;justify-content:center}
  .brand-text strong{font-size:15px}
}

/* roulang page: article */
:root{
  --jade-950:#071F13;
  --jade-900:#0A2E1C;
  --jade-800:#123E25;
  --jade-700:#17512F;
  --gold:#FFD700;
  --gold-soft:#E8C24A;
  --red:#D32F2F;
  --white:#FFFFFF;
  --mint:#D1F2EB;
  --muted:#9DBFAF;
  --line:rgba(255,215,0,.18);
  --line-soft:rgba(209,242,235,.14);
  --r-sm:8px;
  --r-md:14px;
  --r-lg:22px;
  --sh-sm:0 6px 18px rgba(0,0,0,.28);
  --sh-md:0 14px 40px rgba(0,0,0,.38);
  --sh-gold:0 4px 20px rgba(255,215,0,.28);
  --sp-1:6px;
  --sp-2:12px;
  --sp-3:20px;
  --sp-4:32px;
  --sp-5:52px;
  --sp-6:80px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;
  font-size:16px;
  line-height:1.62;
  color:var(--mint);
  background:var(--jade-900);
  background-image:radial-gradient(1000px 520px at 82% -8%,rgba(255,215,0,.10),transparent 62%),linear-gradient(180deg,var(--jade-900) 0%,var(--jade-950) 100%);
  background-attachment:fixed;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--gold);text-decoration:none;transition:color .22s ease,opacity .22s ease}
a:hover{color:#fff}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--gold);outline-offset:3px;border-radius:4px}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
h1,h2,h3,h4{margin:0 0 var(--sp-2);color:var(--white);line-height:1.24;font-weight:700;letter-spacing:-.01em}
h1{font-size:clamp(1.85rem,4.2vw,2.85rem);font-weight:800}
h2{font-size:clamp(1.4rem,2.6vw,1.95rem)}
h3{font-size:1.14rem}
h4{font-size:1rem}
p{margin:0 0 var(--sp-2)}
ul,ol{margin:0 0 var(--sp-2);padding-left:1.15rem}
li{margin-bottom:6px}
hr{border:0;border-top:1px solid var(--line-soft);margin:var(--sp-4) 0}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 22px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.74rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--gold);margin-bottom:14px;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--gold);border-radius:2px}
.lead{font-size:1.06rem;color:#E4F5EE}

/* HEADER */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  background:rgba(7,31,19,.92);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  box-shadow:0 6px 26px rgba(0,0,0,.35);
}
.header-inner{display:flex;align-items:center;gap:18px;min-height:72px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-badge{
  width:42px;height:42px;flex:0 0 42px;border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(145deg,#FFD700,#C08A16);
  color:#0A2E1C;font-weight:800;font-size:.95rem;letter-spacing:-.02em;
  box-shadow:var(--sh-gold);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text strong{color:var(--white);font-size:1.06rem;font-weight:800}
.brand-text span{font-size:.7rem;color:var(--muted);letter-spacing:.02em}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.main-nav a{
  padding:9px 13px;border-radius:var(--r-sm);
  font-size:.9rem;font-weight:600;color:var(--mint);
  border:1px solid transparent;white-space:nowrap;
  transition:background .22s ease,color .22s ease,border-color .22s ease;
}
.main-nav a:hover{background:rgba(255,215,0,.1);color:var(--gold);border-color:var(--line)}
.main-nav a.active{background:rgba(255,215,0,.16);color:var(--gold);border-color:rgba(255,215,0,.4)}
.auth-zone{display:flex;align-items:center;gap:10px;flex-shrink:0}
.btn-login{font-size:.88rem;font-weight:600;color:var(--mint);padding:8px 6px}
.btn-login:hover{color:var(--gold)}
.btn-signup{
  padding:10px 17px;border-radius:999px;
  background:linear-gradient(135deg,#FFD700,#E2A409);
  color:#0A2E1C;font-weight:800;font-size:.88rem;white-space:nowrap;
  box-shadow:var(--sh-gold);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.btn-signup:hover{transform:translateY(-2px);color:#0A2E1C;filter:brightness(1.06);box-shadow:0 10px 26px rgba(255,215,0,.36)}
.btn-signup:active{transform:translateY(0) scale(.97)}
.nav-toggle{display:none;width:44px;height:40px;border:1px solid var(--line);border-radius:10px;padding:9px 10px;flex-direction:column;justify-content:space-between;background:rgba(255,215,0,.06)}
.nav-toggle span{display:block;height:2px;background:var(--gold);border-radius:2px;transition:transform .25s ease,opacity .25s ease}
.nav-toggle.open span:nth-child(1){transform:translateY(8px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}

/* ARTICLE BANNER */
.page-banner{
  position:relative;margin-top:72px;padding:var(--sp-6) 0 var(--sp-5);
  background-image:linear-gradient(100deg,rgba(7,31,19,.95) 0%,rgba(10,46,28,.78) 52%,rgba(7,31,19,.62) 100%),url('/assets/images/backpic/back-2.jpg');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.page-banner::after{
  content:"";position:absolute;inset:auto 0 0 0;height:110px;
  background:linear-gradient(180deg,transparent,var(--jade-900));
  pointer-events:none;
}
.banner-inner{position:relative;z-index:2;max-width:820px}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.82rem;color:var(--muted);margin-bottom:16px}
.crumbs a{color:var(--mint);font-weight:500}
.crumbs a:hover{color:var(--gold)}
.crumbs span[aria-hidden]{color:rgba(209,242,235,.4)}
.meta-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.chip{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 14px;border-radius:999px;
  background:rgba(255,255,255,.06);border:1px solid var(--line-soft);
  font-size:.8rem;font-weight:600;color:var(--mint);
}
.chip.gold{background:rgba(255,215,0,.14);border-color:rgba(255,215,0,.42);color:var(--gold)}
.chip.red{background:rgba(211,47,47,.18);border-color:rgba(211,47,47,.5);color:#FFB4B4}
.chip .dot{width:7px;height:7px;border-radius:50%;background:currentColor;box-shadow:0 0 8px currentColor}

/* MAIN LAYOUT */
main{display:block}
.section{padding:var(--sp-5) 0}
.section-tight{padding:var(--sp-4) 0}
.split{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:var(--sp-5);align-items:start}

/* ARTICLE BODY */
.article-body{font-size:1.03rem;color:#DFF2EA}
.article-body > *:first-child{margin-top:0}
.article-body h2{
  margin:var(--sp-4) 0 var(--sp-2);padding-left:14px;
  border-left:3px solid var(--gold);font-size:1.5rem;
}
.article-body h3{margin:var(--sp-3) 0 10px;color:var(--gold-soft);font-size:1.15rem}
.article-body p{margin-bottom:16px}
.article-body a{text-decoration:underline;text-underline-offset:3px}
.article-body ul,.article-body ol{margin-bottom:18px;padding-left:1.35rem}
.article-body li::marker{color:var(--gold)}
.article-body img{border-radius:var(--r-md);border:1px solid var(--line);margin:var(--sp-3) 0;box-shadow:var(--sh-sm)}
.article-body blockquote{
  margin:var(--sp-3) 0;padding:18px 22px;
  background:rgba(255,215,0,.07);border-left:3px solid var(--gold);
  border-radius:0 var(--r-md) var(--r-md) 0;color:#EAF7F1;font-style:normal;
}
.article-body table{width:100%;border-collapse:collapse;margin:var(--sp-3) 0;font-size:.94rem}
.article-body th,.article-body td{padding:11px 14px;border:1px solid var(--line-soft);text-align:left}
.article-body th{background:rgba(255,215,0,.12);color:var(--gold);font-weight:700}
.article-body code{background:rgba(0,0,0,.35);padding:2px 6px;border-radius:5px;font-size:.9em;color:var(--gold-soft)}
.article-body hr{margin:var(--sp-4) 0}

.empty-state{
  padding:var(--sp-5) var(--sp-4);text-align:center;
  border:1px dashed rgba(255,215,0,.35);border-radius:var(--r-lg);
  background:rgba(255,255,255,.03);
}
.empty-state h2{margin-bottom:10px}
.empty-state p{max-width:520px;margin:0 auto var(--sp-3);color:var(--muted)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 24px;border-radius:999px;font-weight:700;font-size:.95rem;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
}
.btn-gold{background:linear-gradient(135deg,#FFD700,#DFA109);color:#0A2E1C;box-shadow:var(--sh-gold)}
.btn-gold:hover{transform:translateY(-2px);color:#0A2E1C;box-shadow:0 12px 30px rgba(255,215,0,.38)}
.btn-gold:active{transform:translateY(0) scale(.97)}
.btn-ghost{border:1px solid rgba(255,215,0,.42);color:var(--gold);background:rgba(255,215,0,.06)}
.btn-ghost:hover{background:rgba(255,215,0,.16);color:#fff;transform:translateY(-2px)}
.btn-red{background:linear-gradient(135deg,#E53935,#A81E1E);color:#fff;box-shadow:0 8px 24px rgba(211,47,47,.34)}
.btn-red:hover{color:#fff;transform:translateY(-2px)}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:var(--sp-3)}

/* SIDE PANELS */
.side{display:flex;flex-direction:column;gap:var(--sp-3);position:sticky;top:94px}
.panel{
  padding:22px;border-radius:var(--r-lg);
  background:linear-gradient(170deg,rgba(18,62,37,.9),rgba(7,31,19,.86));
  border:1px solid var(--line);box-shadow:var(--sh-sm);
}
.panel h3{display:flex;align-items:center;gap:9px;font-size:1.02rem;margin-bottom:14px}
.panel h3::before{content:"";width:4px;height:18px;background:var(--gold);border-radius:2px}
.dl-list{display:flex;flex-direction:column;gap:11px;margin:0;padding:0;list-style:none}
.dl-list li{
  display:flex;justify-content:space-between;align-items:center;gap:12px;
  padding-bottom:11px;border-bottom:1px dashed var(--line-soft);
  font-size:.88rem;margin:0;
}
.dl-list li:last-child{border-bottom:0;padding-bottom:0}
.dl-list .k{color:var(--muted)}
.dl-list .v{color:var(--white);font-weight:700;text-align:right}
.pay-badges{display:flex;flex-wrap:wrap;gap:8px}
.pay-badges span{
  padding:7px 12px;border-radius:var(--r-sm);font-size:.78rem;font-weight:700;
  background:rgba(255,255,255,.06);border:1px solid var(--line-soft);color:var(--mint);
}
.pay-badges span:nth-child(1){border-color:rgba(211,47,47,.45);color:#FFB9C9}
.pay-badges span:nth-child(2){border-color:rgba(0,150,255,.4);color:#B8DDFF}
.pay-badges span:nth-child(3){border-color:rgba(255,215,0,.45);color:var(--gold)}

/* STEPS */
.steps{counter-reset:st;list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:16px}
.steps li{counter-increment:st;position:relative;padding-left:46px;margin:0}
.steps li::before{
  content:counter(st);position:absolute;left:0;top:-2px;
  width:32px;height:32px;border-radius:10px;display:grid;place-items:center;
  background:rgba(255,215,0,.14);border:1px solid rgba(255,215,0,.4);
  color:var(--gold);font-weight:800;font-size:.9rem;
}
.steps strong{display:block;color:var(--white);margin-bottom:3px}
.steps p{margin:0;font-size:.92rem;color:var(--muted)}

/* GAME GRID */
.game-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-top:var(--sp-3)}
.game-card{
  position:relative;overflow:hidden;border-radius:var(--r-md);
  border:1px solid var(--line);background:rgba(7,31,19,.7);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.game-card:hover{transform:translateY(-5px);border-color:rgba(255,215,0,.6);box-shadow:0 16px 34px rgba(0,0,0,.45),0 0 18px rgba(255,215,0,.18)}
.game-card img{aspect-ratio:4/3;object-fit:cover;width:100%}
.game-card .tag{
  position:absolute;top:10px;left:10px;z-index:2;
  padding:4px 10px;border-radius:999px;font-size:.68rem;font-weight:800;letter-spacing:.05em;
  background:var(--red);color:#fff;box-shadow:0 4px 12px rgba(0,0,0,.4);
}
.game-card .tag.new{background:var(--gold);color:#0A2E1C}
.game-card .body{padding:13px 14px 16px}
.game-card h4{margin-bottom:3px;font-size:.98rem}
.game-card p{margin:0;font-size:.8rem;color:var(--muted)}

/* FEATURE ROWS (asymmetric) */
.feature-row{display:grid;grid-template-columns:1.05fr .95fr;gap:var(--sp-5);align-items:center}
.feature-row.reverse .fr-media{order:2}
.fr-media img{border-radius:var(--r-lg);border:1px solid var(--line);box-shadow:var(--sh-md)}
.fr-list{list-style:none;margin:var(--sp-2) 0 0;padding:0}
.fr-list li{position:relative;padding-left:26px;margin-bottom:11px;font-size:.96rem}
.fr-list li::before{
  content:"";position:absolute;left:0;top:9px;width:10px;height:10px;
  border-radius:3px;background:var(--gold);box-shadow:0 0 10px rgba(255,215,0,.5);
}
.fr-list li strong{color:var(--white)}

/* STAT BAR */
.stat-bar{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;background:var(--line-soft);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden}
.stat-bar div{padding:22px 18px;background:rgba(7,31,19,.86)}
.stat-bar b{display:block;font-family:'Playfair Display',serif;font-size:1.75rem;color:var(--gold);line-height:1.1}
.stat-bar small{font-size:.8rem;color:var(--muted)}

/* FAQ */
.faq{max-width:860px}
.faq details{
  border-bottom:1px solid var(--line-soft);padding:16px 0;
}
.faq details[open]{border-bottom-color:var(--line)}
.faq summary{
  list-style:none;cursor:pointer;display:flex;justify-content:space-between;gap:16px;
  font-weight:700;color:var(--white);font-size:1.02rem;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--gold);font-size:1.4rem;line-height:1;transition:transform .25s ease}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{margin:12px 0 0;color:var(--mint);font-size:.96rem}

/* CTA */
.cta-band{
  margin:var(--sp-5) 0 0;padding:var(--sp-5) var(--sp-3);text-align:center;
  border-radius:var(--r-lg);border:1px solid rgba(255,215,0,.34);
  background-image:linear-gradient(180deg,rgba(7,31,19,.9),rgba(10,46,28,.94)),url('/assets/images/backpic/back-3.jpg');
  background-size:cover;background-position:center;
  box-shadow:var(--sh-md);
}
.cta-band h2{max-width:720px;margin:0 auto 12px}
.cta-band p{max-width:640px;margin:0 auto var(--sp-3);color:var(--mint)}
.cta-band .btn-row{justify-content:center}

/* FOOTER */
.site-footer{
  margin-top:var(--sp-6);padding:var(--sp-5) 0 var(--sp-3);
  background:linear-gradient(180deg,var(--jade-950),#04150C);
  border-top:1px solid var(--line);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:var(--sp-4)}
.footer-brand p{font-size:.9rem;color:var(--muted);margin:14px 0}
.badge-18{
  display:inline-block;padding:6px 13px;border-radius:999px;
  background:rgba(211,47,47,.18);border:1px solid rgba(211,47,47,.5);
  color:#FFC1C1;font-size:.76rem;font-weight:700;
}
.footer-col h4{color:var(--gold);font-size:.92rem;letter-spacing:.04em;text-transform:uppercase;margin-bottom:14px}
.footer-col ul{list-style:none;margin:0;padding:0}
.footer-col li{margin-bottom:9px;font-size:.89rem;color:var(--muted)}
.footer-col a{color:var(--mint)}
.footer-col a:hover{color:var(--gold)}
.footer-bottom{
  margin-top:var(--sp-4);padding-top:var(--sp-3);border-top:1px solid var(--line-soft);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:.82rem;color:var(--muted);
}
.footer-bottom p{margin:0}
.lic{color:rgba(157,191,175,.8)}

/* FAB */
.fab{
  position:fixed;left:18px;bottom:96px;z-index:70;
  width:60px;height:60px;border-radius:50%;
  display:grid;place-items:center;
  background:radial-gradient(circle at 32% 28%,#1C1C1C,#0A0A0A 70%);
  border:3px solid var(--gold);opacity:.72;
  box-shadow:0 4px 20px rgba(255,215,0,.3);
  animation:fabFloat 3.4s ease-in-out infinite;
  transition:transform .25s ease,opacity .25s ease,box-shadow .25s ease;
}
.fab svg{width:27px;height:27px;fill:var(--gold);transition:transform .45s ease}
.fab:hover{opacity:1;transform:scale(1.1);box-shadow:0 8px 30px rgba(255,215,0,.5)}
.fab:hover svg{transform:rotate(360deg)}
.fab:active{transform:scale(.95) translateY(2px)}
.fab .ping{
  position:absolute;top:2px;right:2px;width:11px;height:11px;border-radius:50%;
  background:#E53935;border:2px solid #0A0A0A;animation:blink 1.5s ease-in-out 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){
  .split{grid-template-columns:1fr;gap:var(--sp-4)}
  .side{position:static}
  .game-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:var(--sp-3)}
  .feature-row{gap:var(--sp-4)}
}
@media (max-width:900px){
  .nav-toggle{display:flex}
  .main-nav{
    position:absolute;top:100%;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:2px;
    padding:14px 22px 20px;margin:0;
    background:rgba(7,31,19,.98);border-bottom:1px solid var(--line);
    box-shadow:var(--sh-md);display:none;
  }
  .main-nav.open{display:flex}
  .main-nav a{padding:12px 14px}
  .auth-zone{margin-left:auto}
  .feature-row,.feature-row.reverse .fr-media{grid-template-columns:1fr;order:0}
  .stat-bar{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .page-banner{padding:var(--sp-5) 0 var(--sp-4)}
  .game-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .brand-text span{display:none}
  .section{padding:var(--sp-4) 0}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .btn,.btn-signup{width:100%}
  .btn-login{width:auto}
  .btn-row{flex-direction:column}
  .auth-zone{gap:6px}
  .btn-signup{padding:9px 12px;font-size:.8rem;width:auto}
  .footer-grid{grid-template-columns:1fr}
  .stat-bar{grid-template-columns:1fr}
  .panel{padding:18px}
  .fab{left:12px;bottom:82px;width:54px;height:54px}
}

/* roulang page: category1 */
:root{
  --bg-900:#08090F;
  --bg-800:#0D111E;
  --bg-700:#111729;
  --bg-600:#151C31;
  --line:rgba(0,240,255,.16);
  --line-soft:rgba(203,213,225,.12);
  --blue:#0052FF;
  --blue-soft:#2C6BFF;
  --cyan:#00F0FF;
  --txt:#FFFFFF;
  --txt-mid:#CBD5E1;
  --txt-dim:#8B98AE;
  --warn:#FFB020;
  --ok:#22DD88;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:22px;
  --sh-1:0 10px 30px rgba(0,0,0,.45);
  --sh-2:0 18px 55px rgba(0,82,255,.22);
  --glow:0 0 18px rgba(0,240,255,.35);
  --sp:clamp(56px,7vw,104px);
  --ff:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;
  --ff-alt:'Playfair Display',Georgia,serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--ff);
  font-size:16px;
  line-height:1.65;
  color:var(--txt-mid);
  background:var(--bg-900);
  background-image:
    radial-gradient(900px 520px at 88% -8%,rgba(0,82,255,.20),transparent 62%),
    radial-gradient(700px 480px at 4% 12%,rgba(0,240,255,.09),transparent 60%),
    linear-gradient(180deg,#08090F 0%,#0A0D18 40%,#08090F 100%);
  background-attachment:fixed;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--cyan);text-decoration:none;transition:color .22s ease,opacity .22s ease}
a:hover{color:#7DF9FF}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--txt);line-height:1.2;letter-spacing:-.015em}
h1{font-size:clamp(1.85rem,4.4vw,3.15rem);font-weight:800}
h2{font-size:clamp(1.45rem,2.7vw,2.2rem);font-weight:700}
h3{font-size:clamp(1.08rem,1.6vw,1.32rem);font-weight:700}
h4{font-size:1rem;font-weight:600}
p{margin:0 0 1rem}
p:last-child{margin-bottom:0}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:4px}
.container{width:100%;max-width:1220px;margin:0 auto;padding:0 22px}

/* ---------- HEADER ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:900;
  background:rgba(8,9,15,.86);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  box-shadow:0 6px 26px rgba(0,0,0,.55);
}
.header-inner{display:flex;align-items:center;gap:18px;min-height:72px}
.brand{display:flex;align-items:center;gap:11px;color:var(--txt);flex-shrink:0}
.brand:hover{color:var(--txt)}
.brand-badge{
  width:42px;height:42px;flex:0 0 42px;
  display:grid;place-items:center;
  font-weight:800;font-size:.95rem;letter-spacing:.02em;
  color:#03121F;
  background:linear-gradient(135deg,var(--cyan),var(--blue));
  clip-path:polygon(16% 0,100% 0,84% 100%,0 100%);
  box-shadow:var(--glow);
}
.brand-text{display:flex;flex-direction:column;line-height:1.22}
.brand-text strong{font-size:1.06rem;font-weight:800;color:var(--txt)}
.brand-text span{font-size:.68rem;color:var(--txt-dim);letter-spacing:.03em}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-sm);padding:11px 10px;flex-direction:column;justify-content:space-between;margin-left:auto}
.nav-toggle span{display:block;height:2px;background:var(--cyan);border-radius:2px;transition:transform .25s ease,opacity .25s ease}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:22px}
.main-nav a{
  position:relative;
  padding:9px 13px;
  font-size:.875rem;font-weight:600;
  color:var(--txt-mid);
  border-radius:var(--r-sm);
  white-space:nowrap;
  transition:color .22s ease,background .22s ease;
}
.main-nav a::after{
  content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;
  background:linear-gradient(90deg,var(--cyan),var(--blue));
  transform:scaleX(0);transform-origin:left;transition:transform .26s ease;
}
.main-nav a:hover{color:var(--txt);background:rgba(0,240,255,.07)}
.main-nav a:hover::after,.main-nav a.active::after{transform:scaleX(1)}
.main-nav a.active{color:var(--cyan)}
.auth-zone{display:flex;align-items:center;gap:10px;margin-left:auto}
.btn-login{
  font-size:.85rem;font-weight:600;color:var(--txt-mid);
  padding:9px 12px;border-radius:var(--r-sm);
  transition:color .2s ease,background .2s ease;
}
.btn-login:hover{color:var(--txt);background:rgba(203,213,225,.08)}
.btn-signup{
  font-size:.85rem;font-weight:700;color:#03121F;
  padding:11px 18px;
  background:linear-gradient(135deg,var(--cyan) 0%,var(--blue-soft) 100%);
  clip-path:polygon(10% 0,100% 0,90% 100%,0 100%);
  box-shadow:0 6px 20px rgba(0,82,255,.4);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.btn-signup:hover{color:#03121F;transform:translateY(-2px);filter:brightness(1.08);box-shadow:0 10px 26px rgba(0,240,255,.42)}
.btn-signup:active{transform:translateY(0) scale(.97)}

/* ---------- PAGE INTRO ---------- */
.page-top{padding:118px 0 0}
.crumb{display:flex;align-items:center;gap:9px;font-size:.78rem;color:var(--txt-dim);margin-bottom:22px;flex-wrap:wrap}
.crumb a{color:var(--txt-dim)}
.crumb a:hover{color:var(--cyan)}
.crumb span[aria-current]{color:var(--txt-mid);font-weight:600}

/* ---------- FLASH HERO ---------- */
.flash{
  position:relative;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  background:
    linear-gradient(120deg,rgba(8,9,15,.95) 0%,rgba(13,17,30,.78) 48%,rgba(0,82,255,.30) 100%),
    url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
  padding:clamp(28px,4vw,52px);
  overflow:hidden;
  box-shadow:var(--sh-2);
}
.flash::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(0,240,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(0,240,255,.05) 1px,transparent 1px);
  background-size:52px 52px;
  mask-image:radial-gradient(circle at 78% 30%,#000 0%,transparent 72%);
  pointer-events:none;
}
.flash-inner{position:relative;display:grid;grid-template-columns:1.12fr .88fr;gap:clamp(26px,3.4vw,50px);align-items:center}
.flash-strip{
  display:inline-flex;align-items:center;gap:10px;
  padding:7px 15px;
  font-size:.74rem;font-weight:700;letter-spacing:.09em;text-transform:uppercase;
  color:var(--cyan);
  border:1px solid var(--line);
  background:rgba(0,240,255,.08);
  border-radius:100px;
}
.dot-live{width:7px;height:7px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 0 rgba(34,221,136,.6);animation:ping 1.7s infinite}
@keyframes ping{70%{box-shadow:0 0 0 9px rgba(34,221,136,0)}100%{box-shadow:0 0 0 0 rgba(34,221,136,0)}}
.flash h1{margin:18px 0 14px}
.flash h1 em{font-style:normal;background:linear-gradient(100deg,var(--cyan),#7DA6FF);-webkit-background-clip:text;background-clip:text;color:transparent}
.flash-lead{font-size:clamp(.98rem,1.2vw,1.09rem);color:var(--txt-mid);max-width:60ch}
.count-row{display:flex;align-items:center;gap:14px;margin:24px 0 26px;flex-wrap:wrap}
.count-label{font-size:.78rem;color:var(--txt-dim);font-weight:600;letter-spacing:.04em}
.count-clock{display:flex;gap:8px}
.count-clock div{
  min-width:62px;padding:9px 6px;text-align:center;
  background:rgba(8,9,15,.72);
  border:1px solid var(--line);
  clip-path:polygon(9% 0,100% 0,91% 100%,0 100%);
}
.count-clock b{display:block;font-size:1.34rem;font-weight:800;color:var(--txt);font-variant-numeric:tabular-nums;line-height:1.1}
.count-clock i{font-style:normal;font-size:.63rem;letter-spacing:.1em;text-transform:uppercase;color:var(--txt-dim)}
.cta-row{display:flex;gap:13px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  font-size:.94rem;font-weight:700;
  padding:14px 26px;
  border-radius:var(--r-sm);
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
}
.btn-primary{
  color:#03121F;
  background:linear-gradient(135deg,var(--cyan),var(--blue-soft));
  clip-path:polygon(7% 0,100% 0,93% 100%,0 100%);
  padding:15px 32px;
  box-shadow:0 8px 26px rgba(0,82,255,.42);
}
.btn-primary:hover{color:#03121F;transform:translateY(-3px);box-shadow:0 14px 34px rgba(0,240,255,.4)}
.btn-primary:active{transform:translateY(0) scale(.98)}
.btn-ghost{color:var(--txt);border:1px solid var(--line);background:rgba(255,255,255,.03)}
.btn-ghost:hover{color:var(--cyan);border-color:var(--cyan);background:rgba(0,240,255,.08);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.hero-note{margin-top:18px;font-size:.8rem;color:var(--txt-dim)}
.hero-note strong{color:var(--txt-mid);font-weight:600}

/* deal card */
.deal-card{
  background:rgba(8,10,18,.9);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  box-shadow:var(--sh-1);
}
.deal-media{position:relative}
.deal-media img{height:190px;object-fit:cover;width:100%;filter:saturate(1.05)}
.deal-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 30%,rgba(8,9,15,.92) 100%)}
.deal-tag{
  position:absolute;top:13px;left:13px;z-index:2;
  font-size:.68rem;font-weight:800;letter-spacing:.09em;text-transform:uppercase;
  padding:5px 11px;color:#03121F;background:var(--cyan);border-radius:4px;
}
.deal-ver{position:absolute;bottom:12px;left:15px;right:15px;z-index:2;display:flex;justify-content:space-between;align-items:flex-end;gap:10px}
.deal-ver strong{font-size:1.02rem;color:var(--txt);font-weight:700}
.deal-ver span{font-size:.74rem;color:var(--cyan);font-weight:600}
.deal-body{padding:19px 20px 22px}
.deal-list{display:grid;gap:0}
.deal-list li{
  display:flex;justify-content:space-between;gap:14px;
  padding:10px 0;font-size:.85rem;
  border-bottom:1px dashed var(--line-soft);
}
.deal-list li:last-child{border-bottom:0}
.deal-list li span{color:var(--txt-dim)}
.deal-list li b{color:var(--txt);font-weight:600;text-align:right}
.deal-body .btn{width:100%;margin-top:16px}

/* ---------- SECTION BASE ---------- */
.sec{padding:var(--sp) 0}
.sec-alt{background:linear-gradient(180deg,rgba(13,17,30,0) 0%,rgba(13,17,30,.85) 18%,rgba(13,17,30,.85) 82%,rgba(13,17,30,0) 100%)}
.sec-head{max-width:70ch;margin-bottom:40px}
.eyebrow{
  display:inline-block;font-size:.72rem;font-weight:700;letter-spacing:.13em;text-transform:uppercase;
  color:var(--cyan);margin-bottom:12px;
}
.eyebrow::before{content:"";display:inline-block;width:26px;height:1px;background:var(--cyan);vertical-align:middle;margin-right:10px}
.sec-head p{margin-top:14px;font-size:1rem;color:var(--txt-mid)}
.divider{height:1px;background:linear-gradient(90deg,var(--line),transparent);border:0;margin:0}

/* ---------- TIMELINE (agenda) ---------- */
.tl-wrap{display:grid;grid-template-columns:.92fr 1.08fr;gap:clamp(28px,4vw,58px);align-items:start}
.tl{position:relative;padding-left:30px}
.tl::before{content:"";position:absolute;left:8px;top:6px;bottom:6px;width:2px;background:linear-gradient(180deg,var(--cyan),rgba(0,82,255,.15))}
.tl-item{position:relative;padding-bottom:30px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-30px;top:6px;width:18px;height:18px;border-radius:50%;
  background:var(--bg-900);border:2px solid var(--cyan);box-shadow:var(--glow);
}
.tl-step{font-size:.7rem;font-weight:700;letter-spacing:.11em;text-transform:uppercase;color:var(--cyan)}
.tl-item h3{margin:6px 0 8px}
.tl-item p{font-size:.92rem;margin:0}
.tl-item .mini{margin-top:10px;display:flex;gap:8px;flex-wrap:wrap}
.chip{
  font-size:.72rem;font-weight:600;padding:5px 11px;
  color:var(--txt-mid);border:1px solid var(--line-soft);border-radius:100px;
  background:rgba(255,255,255,.03);
}
.chip-ok{color:var(--ok);border-color:rgba(34,221,136,.3);background:rgba(34,221,136,.08)}
.chip-warn{color:var(--warn);border-color:rgba(255,176,32,.28);background:rgba(255,176,32,.08)}
.tl-side{border-left:1px solid var(--line);padding-left:clamp(20px,2.4vw,34px)}
.tl-side h3{margin-bottom:16px}
.spec{display:grid;gap:0}
.spec li{display:flex;justify-content:space-between;gap:16px;padding:13px 0;border-bottom:1px solid var(--line-soft);font-size:.88rem}
.spec li span{color:var(--txt-dim)}
.spec li b{color:var(--txt);font-weight:600;text-align:right;font-variant-numeric:tabular-nums}
.tl-side figure{margin:24px 0 0}
.tl-side figure img{border-radius:var(--r-md);border:1px solid var(--line);height:200px;object-fit:cover;width:100%}
.tl-side figcaption{margin-top:10px;font-size:.78rem;color:var(--txt-dim)}

/* ---------- MIRROR LINKS ---------- */
.mirror-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.mirror{
  border:1px solid var(--line-soft);
  border-left:2px solid var(--blue);
  background:linear-gradient(160deg,rgba(21,28,49,.9),rgba(8,9,15,.7));
  padding:22px 21px;
  border-radius:0 var(--r-md) var(--r-md) 0;
  transition:border-color .24s ease,transform .24s ease,box-shadow .24s ease;
}
.mirror:hover{border-left-color:var(--cyan);transform:translateY(-4px);box-shadow:0 14px 34px rgba(0,82,255,.24)}
.mirror-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px}
.mirror-top strong{font-size:1rem;color:var(--txt);font-weight:700}
.ping{font-size:.72rem;font-weight:700;color:var(--ok);font-variant-numeric:tabular-nums}
.mirror p{font-size:.86rem;margin:0 0 14px}
.mirror-url{
  display:block;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  font-size:.8rem;color:var(--cyan);
  padding:9px 12px;margin-bottom:14px;
  background:rgba(0,0,0,.45);border:1px dashed var(--line);border-radius:var(--r-sm);
  word-break:break-all;
}
.mirror .btn{width:100%;padding:11px 18px;font-size:.86rem}

/* ---------- HIGHLIGHT SPLIT ---------- */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(28px,4vw,60px);align-items:center}
.split-media{position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-1)}
.split-media img{height:clamp(280px,34vw,420px);object-fit:cover;width:100%}
.split-media .float-stat{
  position:absolute;bottom:18px;left:18px;right:18px;
  display:grid;grid-template-columns:repeat(3,1fr);gap:1px;
  background:var(--line);
  border:1px solid var(--line);
  border-radius:var(--r-sm);overflow:hidden;
}
.split-media .float-stat div{background:rgba(8,9,15,.9);padding:13px 10px;text-align:center}
.split-media .float-stat b{display:block;font-size:1.16rem;color:var(--cyan);font-weight:800;font-variant-numeric:tabular-nums}
.split-media .float-stat i{font-style:normal;font-size:.68rem;color:var(--txt-dim)}
.feat-list{display:grid;gap:2px;margin-top:26px}
.feat-list li{display:flex;gap:14px;padding:15px 0;border-top:1px solid var(--line-soft)}
.feat-list li:last-child{border-bottom:1px solid var(--line-soft)}
.feat-ic{
  flex:0 0 38px;width:38px;height:38px;display:grid;place-items:center;
  font-size:.82rem;font-weight:800;color:var(--cyan);
  border:1px solid var(--line);background:rgba(0,240,255,.07);
  clip-path:polygon(14% 0,100% 0,86% 100%,0 100%);
}
.feat-list h4{margin-bottom:4px}
.feat-list p{font-size:.88rem;margin:0}

/* ---------- COMPARE TABLE ---------- */
.cmp{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden}
.cmp-col{padding:26px 24px 28px;background:rgba(13,17,30,.6);border-right:1px solid var(--line-soft);display:flex;flex-direction:column}
.cmp-col:last-child{border-right:0}
.cmp-col.hot{background:linear-gradient(180deg,rgba(0,82,255,.2),rgba(13,17,30,.72));position:relative}
.cmp-col.hot::before{content:"Chọn nhiều nhất";position:absolute;top:0;left:0;right:0;text-align:center;font-size:.68rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:#03121F;background:var(--cyan);padding:5px}
.cmp-col.hot .cmp-name{margin-top:14px}
.cmp-name{font-size:.74rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--cyan)}
.cmp-col h3{margin:9px 0 6px}
.cmp-size{font-size:1.5rem;font-weight:800;color:var(--txt);font-variant-numeric:tabular-nums}
.cmp-size sub{font-size:.74rem;font-weight:500;color:var(--txt-dim);vertical-align:baseline;margin-left:5px}
.cmp-col ul{margin:18px 0 22px;display:grid;gap:9px}
.cmp-col ul li{font-size:.86rem;padding-left:22px;position:relative}
.cmp-col ul li::before{content:"";position:absolute;left:0;top:9px;width:9px;height:9px;background:var(--cyan);clip-path:polygon(50% 0,100% 50%,50% 100%,0 50%)}
.cmp-col ul li.no{color:var(--txt-dim)}
.cmp-col ul li.no::before{background:var(--txt-dim);opacity:.5}
.cmp-col .btn{margin-top:auto;width:100%}

/* ---------- SCENARIO ---------- */
.scen{display:grid;grid-template-columns:repeat(2,1fr);gap:clamp(20px,2.6vw,34px)}
.scen article{padding:24px 24px 26px;border:1px solid var(--line-soft);border-radius:var(--r-md);background:rgba(21,28,49,.55);transition:border-color .22s ease,transform .22s ease}
.scen article:hover{border-color:var(--cyan);transform:translateY(-3px)}
.scen .num{font-family:var(--ff-alt);font-size:1.9rem;color:rgba(0,240,255,.4);line-height:1;display:block;margin-bottom:10px}
.scen h3{margin-bottom:9px}
.scen p{font-size:.9rem;margin:0}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(26px,3.6vw,56px);align-items:start}
.faq{display:grid;gap:0;border-top:1px solid var(--line-soft)}
.faq details{border-bottom:1px solid var(--line-soft)}
.faq summary{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:19px 2px;cursor:pointer;list-style:none;
  font-size:1rem;font-weight:600;color:var(--txt);
  transition:color .2s ease;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary:hover{color:var(--cyan)}
.faq summary::after{content:"+";font-size:1.4rem;font-weight:400;color:var(--cyan);line-height:1;flex-shrink:0;transition:transform .24s ease}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details[open] summary{color:var(--cyan)}
.faq-a{padding:0 2px 21px;font-size:.92rem;color:var(--txt-mid);max-width:78ch}

/* ---------- CTA ---------- */
.cta{
  position:relative;text-align:center;
  border:1px solid var(--line);border-radius:var(--r-lg);
  padding:clamp(34px,4.6vw,64px) clamp(22px,4vw,54px);
  background:
    linear-gradient(140deg,rgba(0,82,255,.34),rgba(8,9,15,.93) 62%),
    url('/assets/images/backpic/back-3.jpg') center/cover no-repeat;
  box-shadow:var(--sh-2);overflow:hidden;
}
.cta h2{margin-bottom:14px;max-width:24ch;margin-inline:auto}
.cta p{max-width:62ch;margin-inline:auto;color:var(--txt-mid)}
.cta .cta-row{justify-content:center;margin-top:26px}
.cta-pay{display:flex;justify-content:center;gap:9px;flex-wrap:wrap;margin-top:24px}
.cta-pay span{font-size:.76rem;font-weight:600;padding:7px 14px;color:var(--txt-mid);border:1px solid var(--line-soft);border-radius:100px;background:rgba(8,9,15,.6)}

/* ---------- FAB ---------- */
.fab{
  position:fixed;left:18px;bottom:96px;z-index:880;
  display:flex;align-items:center;gap:9px;
  min-width:48px;min-height:48px;
  padding:12px 18px 12px 14px;
  font-size:.84rem;font-weight:700;color:var(--txt);
  background:rgba(0,0,0,.6);
  backdrop-filter:blur(10px);
  border:1px solid transparent;
  border-radius:100px;
  background-image:linear-gradient(rgba(0,0,0,.66),rgba(0,0,0,.66)),linear-gradient(120deg,var(--cyan),var(--blue));
  background-origin:border-box;
  background-clip:padding-box,border-box;
  box-shadow:0 0 15px rgba(0,240,255,.5);
  opacity:.62;
  transition:opacity .24s ease,box-shadow .24s ease,transform .2s ease;
  animation:fabBreath 3.4s ease-in-out infinite;
}
@keyframes fabBreath{0%,100%{opacity:.62}50%{opacity:.9}}
.fab:hover{opacity:1;color:var(--txt);transform:translateY(-2px);box-shadow:0 0 30px rgba(0,240,255,.7);animation:none}
.fab:active{transform:scale(.96);box-shadow:0 0 26px rgba(255,0,127,.6);background-image:linear-gradient(rgba(0,0,0,.66),rgba(0,0,0,.66)),linear-gradient(120deg,#FF007F,var(--blue))}
.fab-ic{
  flex:0 0 24px;width:24px;height:24px;display:grid;place-items:center;
  font-size:.7rem;font-weight:800;color:#03121F;
  background:linear-gradient(135deg,var(--cyan),var(--blue-soft));
  border-radius:50%;
}
.fab-new{position:absolute;top:-4px;right:-4px;font-size:.58rem;font-weight:800;letter-spacing:.06em;color:#03121F;background:var(--cyan);padding:2px 6px;border-radius:100px;animation:blinkNeon 1.5s steps(1,end) infinite}
@keyframes blinkNeon{0%,60%{opacity:1}61%,100%{opacity:.25}}

/* ---------- FOOTER ---------- */
.site-footer{
  margin-top:var(--sp);
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(13,17,30,.92),rgba(8,9,15,1));
  padding:clamp(40px,4.4vw,64px) 0 26px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr .8fr .9fr .9fr;gap:clamp(24px,3vw,44px)}
.footer-brand p{margin:16px 0 16px;font-size:.87rem;color:var(--txt-dim);max-width:44ch}
.badge-18{
  display:inline-block;font-size:.74rem;font-weight:700;
  padding:6px 13px;color:var(--cyan);
  border:1px solid var(--line);border-radius:100px;background:rgba(0,240,255,.07);
}
.footer-col h4{margin-bottom:15px;font-size:.8rem;letter-spacing:.11em;text-transform:uppercase;color:var(--cyan)}
.footer-col ul{display:grid;gap:10px}
.footer-col ul li{font-size:.86rem;color:var(--txt-dim)}
.footer-col ul li a{color:var(--txt-dim)}
.footer-col ul li a:hover{color:var(--cyan)}
.footer-bottom{
  margin-top:38px;padding-top:20px;border-top:1px solid var(--line-soft);
  display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;
}
.footer-bottom p{margin:0;font-size:.82rem;color:var(--txt-dim)}
.lic{font-size:.76rem;color:var(--txt-dim);opacity:.85}

/* ---------- RESPONSIVE ---------- */
@media (max-width:1024px){
  .flash-inner{grid-template-columns:1fr;gap:30px}
  .tl-wrap,.split,.faq-wrap{grid-template-columns:1fr;gap:34px}
  .tl-side{border-left:0;padding-left:0;border-top:1px solid var(--line);padding-top:26px}
  .mirror-grid{grid-template-columns:1fr 1fr}
  .cmp{grid-template-columns:1fr;border-radius:var(--r-md)}
  .cmp-col{border-right:0;border-bottom:1px solid var(--line-soft)}
  .cmp-col:last-child{border-bottom:0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:900px){
  .nav-toggle{display:flex;order:3;margin-left:0}
  .auth-zone{margin-left:auto;order:2;gap:7px}
  .btn-login{padding:8px 9px;font-size:.8rem}
  .btn-signup{padding:10px 14px;font-size:.79rem}
  .header-inner{flex-wrap:wrap;gap:10px;padding-top:12px;padding-bottom:12px}
  .main-nav{
    order:4;width:100%;margin-left:0;
    flex-direction:column;align-items:stretch;gap:2px;
    max-height:0;overflow:hidden;
    transition:max-height .32s ease,padding .32s ease;
  }
  .main-nav.open{max-height:320px;padding:8px 0 14px;border-top:1px solid var(--line-soft)}
  .main-nav a{padding:12px 10px;border-radius:var(--r-sm)}
  .main-nav a::after{display:none}
  .main-nav a.active{background:rgba(0,240,255,.08)}
  .page-top{padding-top:104px}
}
@media (max-width:768px){
  .scen{grid-template-columns:1fr}
  .mirror-grid{grid-template-columns:1fr}
  .count-clock div{min-width:56px}
  .split-media .float-stat{position:static;margin:0;border-radius:0;border-left:0;border-right:0;border-bottom:0}
  .fab{bottom:80px;left:14px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .flash{padding:24px 18px;border-radius:var(--r-md)}
  .cta-row{flex-direction:column;align-items:stretch}
  .btn{width:100%}
  .count-row{gap:10px}
  .count-clock div{min-width:52px;padding:8px 4px}
  .count-clock b{font-size:1.14rem}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .deal-media img{height:158px}
  .brand-text span{display:none}
  .fab span.fab-txt{display:none}
  .fab{padding:12px;border-radius:50%}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}

/* roulang page: category2 */
:root {
  --color-primary: #FFD700;
  --color-primary-dark: #C5A059;
  --color-secondary: #D32F2F;
  --color-accent: #00F0FF;
  --color-bg-dark: #0A2E1C;
  --color-bg-darker: #062315;
  --color-bg-card: #123E25;
  --color-text-white: #FFFFFF;
  --color-text-light: #D1F2EB;
  --color-text-muted: #90CAF9;
  --color-border: rgba(255, 215, 0, 0.2);
  --color-success: #32CD32;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.15);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.25);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.35);
  --shadow-glow: 0 0 20px rgba(255, 215, 0, 0.3);
  --transition: all 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

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

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

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

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

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  gap: 32px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  flex-shrink: 0;
}

.brand-badge {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-bg-dark);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 800;
  box-shadow: var(--shadow-glow);
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.3;
}

.brand-text strong {
  font-size: 18px;
  color: var(--color-primary);
}

.brand-text span {
  font-size: 12px;
  font-weight: 400;
  color: var(--color-text-light);
}

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

.nav-toggle span {
  width: 24px;
  height: 2px;
  background: var(--color-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(--color-text-light);
  padding: 8px 0;
  border-bottom: 2px solid transparent;
  transition: var(--transition);
}

.main-nav a:hover {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.main-nav a.active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

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

.btn-login {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-light);
  padding: 8px 16px;
}

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

.btn-signup {
  background: linear-gradient(135deg, var(--color-secondary) 0%, #B71C1C 100%);
  color: var(--color-text-white);
  font-size: 14px;
  font-weight: 600;
  padding: 10px 20px;
  border-radius: var(--radius-sm);
  box-shadow: 0 4px 12px rgba(211, 47, 47, 0.4);
}

.btn-signup:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(211, 47, 47, 0.5);
}

/* Hero Banner */
.hero-banner {
  background: linear-gradient(135deg, rgba(10, 46, 28, 0.9) 0%, rgba(6, 35, 21, 0.9) 100%), url('/assets/images/backpic/back-2.jpg') center/cover;
  padding: 80px 0 60px;
  position: relative;
  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 50%);
  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(255, 215, 0, 0.15);
  border: 1px solid var(--color-primary);
  color: var(--color-primary);
  padding: 8px 16px;
  border-radius: 24px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 24px;
}

.hero-content h1 {
  font-size: 48px;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 20px;
  color: var(--color-text-white);
}

.hero-content h1 .highlight {
  color: var(--color-primary);
  text-shadow: var(--shadow-glow);
}

.hero-content p {
  font-size: 18px;
  line-height: 1.7;
  color: var(--color-text-light);
  margin-bottom: 32px;
}

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

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

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(255, 215, 0, 0.5);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(8px);
  color: var(--color-text-white);
  border: 1px solid rgba(255, 255, 255, 0.2);
  font-size: 16px;
  font-weight: 600;
  padding: 16px 32px;
  border-radius: var(--radius-md);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: var(--color-primary);
}

/* Platform Selector */
.platform-section {
  padding: 80px 0;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 56px;
}

.section-label {
  display: inline-block;
  background: rgba(255, 215, 0, 0.15);
  border: 1px solid var(--color-primary);
  color: var(--color-primary);
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 16px;
}

.section-header h2 {
  font-size: 36px;
  font-weight: 800;
  margin-bottom: 16px;
  line-height: 1.3;
}

.section-header p {
  font-size: 17px;
  color: var(--color-text-light);
  line-height: 1.6;
}

.platform-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
  margin-bottom: 48px;
}

.platform-card {
  background: linear-gradient(135deg, var(--color-bg-card) 0%, rgba(18, 62, 37, 0.7) 100%);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}

.platform-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  opacity: 0;
  transition: var(--transition);
}

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

.platform-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary);
}

.platform-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  color: var(--color-bg-dark);
  margin-bottom: 20px;
  box-shadow: var(--shadow-glow);
}

.platform-card h3 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--color-text-white);
}

.platform-card .version {
  font-size: 13px;
  color: var(--color-text-muted);
  margin-bottom: 16px;
}

.platform-card p {
  font-size: 15px;
  color: var(--color-text-light);
  line-height: 1.6;
  margin-bottom: 24px;
}

.platform-specs {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 24px;
}

.spec-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--color-text-light);
}

.spec-item i {
  color: var(--color-success);
  font-size: 16px;
}

.btn-download {
  width: 100%;
  background: linear-gradient(135deg, var(--color-secondary) 0%, #B71C1C 100%);
  color: var(--color-text-white);
  font-size: 15px;
  font-weight: 700;
  padding: 14px 24px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  box-shadow: 0 4px 12px rgba(211, 47, 47, 0.4);
}

.btn-download:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(211, 47, 47, 0.5);
}

/* Installation Guide */
.install-guide {
  background: linear-gradient(135deg, rgba(18, 62, 37, 0.4) 0%, rgba(10, 46, 28, 0.4) 100%);
  padding: 80px 0;
}

.guide-tabs {
  display: flex;
  gap: 16px;
  justify-content: center;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.tab-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--color-border);
  color: var(--color-text-light);
  font-size: 15px;
  font-weight: 600;
  padding: 12px 28px;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.tab-btn:hover {
  background: rgba(255, 215, 0, 0.1);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.tab-btn.active {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-bg-dark);
  border-color: var(--color-primary);
  box-shadow: var(--shadow-glow);
}

.guide-content {
  display: none;
}

.guide-content.active {
  display: block;
}

.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.step-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px;
  position: relative;
}

.step-number {
  position: absolute;
  top: -16px;
  left: 28px;
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  font-weight: 800;
  color: var(--color-bg-dark);
  box-shadow: var(--shadow-glow);
}

.step-card h4 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
  margin-top: 12px;
  color: var(--color-text-white);
}

.step-card p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.6;
}

.step-card .note {
  margin-top: 12px;
  padding: 10px 14px;
  background: rgba(255, 215, 0, 0.1);
  border-left: 3px solid var(--color-primary);
  border-radius: 4px;
  font-size: 13px;
  color: var(--color-text-muted);
}

/* Features Section */
.features-section {
  padding: 80px 0;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.feature-item {
  text-align: center;
  padding: 32px 24px;
  background: rgba(18, 62, 37, 0.3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: var(--transition);
}

.feature-item:hover {
  background: rgba(18, 62, 37, 0.5);
  border-color: var(--color-primary);
  transform: translateY(-4px);
}

.feature-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, rgba(255, 215, 0, 0.2) 0%, rgba(197, 160, 89, 0.2) 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--color-primary);
  margin: 0 auto 20px;
}

.feature-item h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--color-text-white);
}

.feature-item p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.6;
}

/* Comparison Table */
.comparison-section {
  background: linear-gradient(135deg, rgba(18, 62, 37, 0.4) 0%, rgba(10, 46, 28, 0.4) 100%);
  padding: 80px 0;
}

.comparison-table {
  overflow-x: auto;
  margin-top: 40px;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--color-bg-card);
  border-radius: var(--radius-md);
  overflow: hidden;
}

thead {
  background: linear-gradient(135deg, rgba(255, 215, 0, 0.15) 0%, rgba(197, 160, 89, 0.15) 100%);
}

th {
  padding: 16px 20px;
  text-align: left;
  font-size: 15px;
  font-weight: 700;
  color: var(--color-primary);
  border-bottom: 2px solid var(--color-border);
}

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

tbody tr:hover {
  background: rgba(255, 215, 0, 0.05);
}

.check-icon {
  color: var(--color-success);
  font-size: 18px;
}

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

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

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

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

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

.faq-question {
  width: 100%;
  background: transparent;
  color: var(--color-text-white);
  font-size: 16px;
  font-weight: 600;
  padding: 20px 24px;
  text-align: left;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  cursor: pointer;
}

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

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

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

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

.faq-answer-content {
  padding: 0 24px 20px;
  color: var(--color-text-light);
  font-size: 15px;
  line-height: 1.7;
}

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

/* CTA Section */
.cta-section {
  background: linear-gradient(135deg, rgba(211, 47, 47, 0.15) 0%, rgba(183, 28, 28, 0.15) 100%);
  padding: 80px 0;
  text-align: center;
}

.cta-content {
  max-width: 700px;
  margin: 0 auto;
}

.cta-content h2 {
  font-size: 36px;
  font-weight: 800;
  margin-bottom: 20px;
  line-height: 1.3;
}

.cta-content p {
  font-size: 17px;
  color: var(--color-text-light);
  margin-bottom: 32px;
  line-height: 1.6;
}

.cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Footer */
.site-footer {
  background: rgba(6, 35, 21, 0.8);
  border-top: 1px solid var(--color-border);
  padding: 60px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand .brand {
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.6;
  margin-bottom: 16px;
}

.badge-18 {
  display: inline-block;
  background: rgba(211, 47, 47, 0.2);
  border: 1px solid var(--color-secondary);
  color: var(--color-secondary);
  padding: 6px 12px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
}

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

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

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

.footer-col ul li a {
  font-size: 14px;
  color: var(--color-text-light);
}

.footer-col ul li a:hover {
  color: var(--color-primary);
}

.footer-col ul li {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.8;
}

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-top: 24px;
  text-align: center;
}

.footer-bottom p {
  font-size: 14px;
  color: var(--color-text-light);
  margin-bottom: 8px;
}

.footer-bottom .lic {
  font-size: 12px;
  color: var(--color-text-muted);
}

/* FAB */
.fab-button {
  position: fixed;
  left: 20px;
  bottom: 96px;
  z-index: 999;
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  border: 3px solid rgba(255, 215, 0, 0.5);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  color: var(--color-bg-dark);
  box-shadow: 0 4px 20px rgba(255, 215, 0, 0.4);
  cursor: pointer;
  opacity: 0.85;
  transition: var(--transition);
  animation: float 3s ease-in-out infinite;
}

.fab-button:hover {
  opacity: 1;
  transform: scale(1.1) rotate(15deg);
  box-shadow: 0 6px 28px rgba(255, 215, 0, 0.6);
}

.fab-button::before {
  content: '';
  position: absolute;
  top: -3px;
  left: -3px;
  right: -3px;
  bottom: -3px;
  border-radius: 50%;
  background: linear-gradient(45deg, var(--color-primary), var(--color-secondary), var(--color-primary));
  z-index: -1;
  opacity: 0.6;
  animation: spin 4s linear infinite;
}

.fab-notify {
  position: absolute;
  top: 2px;
  right: 2px;
  width: 14px;
  height: 14px;
  background: var(--color-secondary);
  border: 2px solid var(--color-bg-dark);
  border-radius: 50%;
  animation: blink 1.5s ease-in-out infinite;
}

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

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

/* Update strip */
.update-strip {
  background: rgba(255, 215, 0, 0.08);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 20px 28px;
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  margin-top: 8px;
}

.update-strip .dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-success);
  box-shadow: 0 0 10px rgba(50, 205, 50, 0.8);
  animation: blink 2s ease-in-out infinite;
  flex-shrink: 0;
}

.update-strip strong {
  color: var(--color-primary);
}

.update-strip span {
  font-size: 14px;
  color: var(--color-text-light);
}

/* Mirror image block */
.mirror-section {
  padding: 80px 0;
}

.mirror-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

.mirror-text h2 {
  font-size: 32px;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 20px;
}

.mirror-text p {
  font-size: 16px;
  color: var(--color-text-light);
  line-height: 1.7;
  margin-bottom: 20px;
}

.mirror-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 28px;
}

.mirror-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 15px;
  color: var(--color-text-light);
  line-height: 1.5;
}

.mirror-list li i {
  color: var(--color-primary);
  font-size: 18px;
  margin-top: 2px;
}

.mirror-media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-lg);
  position: relative;
}

.mirror-media img {
  width: 100%;
  object-fit: cover;
}

.mirror-media .media-tag {
  position: absolute;
  top: 16px;
  left: 16px;
  background: var(--color-secondary);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 20px;
  box-shadow: var(--shadow-md);
}

/* Responsive */
@media (max-width: 1024px) {
  .hero-content h1 { font-size: 38px; }
  .mirror-grid { grid-template-columns: 1fr; gap: 32px; }
  .main-nav { gap: 20px; }
}

@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(6, 35, 21, 0.98);
    flex-direction: column;
    gap: 0;
    padding: 12px 24px;
    border-bottom: 1px solid var(--color-border);
    display: none;
  }
  .main-nav.open { display: flex; }
  .main-nav a {
    padding: 14px 0;
    border-bottom: 1px solid rgba(255, 215, 0, 0.1);
    width: 100%;
  }
  .main-nav a.active { border-bottom-color: var(--color-primary); }
  .header-inner { gap: 12px; padding: 12px 16px; }
  .brand-text span { display: none; }
  .btn-login { padding: 8px 10px; font-size: 13px; }
  .btn-signup { padding: 9px 14px; font-size: 13px; }
  .hero-banner { padding: 56px 0 44px; }
  .hero-content h1 { font-size: 30px; }
  .hero-content p { font-size: 16px; }
  .section-header h2 { font-size: 28px; }
  .cta-content h2 { font-size: 28px; }
  .platform-section, .install-guide, .features-section, .comparison-section, .faq-section, .cta-section, .mirror-section { padding: 56px 0; }
}

@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .hero-content h1 { font-size: 25px; }
  .btn-primary, .btn-secondary { width: 100%; justify-content: center; text-align: center; }
  .platform-grid, .steps-grid, .features-grid { grid-template-columns: 1fr; }
  .fab-button { width: 56px; height: 56px; font-size: 24px; left: 14px; bottom: 88px; }
  th, td { padding: 12px 12px; font-size: 13px; }
  .section-header h2 { font-size: 23px; }
}

/* roulang page: category3 */
:root {
  --primary: #FFD700;
  --primary-dark: #C5A059;
  --accent: #D32F2F;
  --accent-light: #FF5252;
  --bg-dark: #0A2E1C;
  --bg-card: #123E25;
  --bg-hover: #1A5032;
  --text-primary: #FFFFFF;
  --text-secondary: #D1F2EB;
  --text-muted: #A8E6CF;
  --border: rgba(255, 215, 0, 0.2);
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  --shadow-hover: 0 8px 32px rgba(255, 215, 0, 0.2);
  --radius: 12px;
  --radius-sm: 8px;
  --spacing: 1.5rem;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: linear-gradient(135deg, var(--bg-dark) 0%, #051810 100%);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

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

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

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header & Navigation */
.site-header {
  background: linear-gradient(180deg, rgba(10, 46, 28, 0.98) 0%, rgba(10, 46, 28, 0.95) 100%);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 16px rgba(0, 0, 0, 0.4);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.5rem;
  gap: 2rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  transition: var(--transition);
}

.brand:hover {
  transform: translateY(-2px);
}

.brand-badge {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: var(--bg-dark);
  font-weight: 800;
  font-size: 1.25rem;
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(255, 215, 0, 0.3);
}

.brand-text {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
}

.brand-text strong {
  color: var(--primary);
  font-size: 1.125rem;
  font-weight: 700;
  line-height: 1.2;
}

.brand-text span {
  color: var(--text-secondary);
  font-size: 0.75rem;
  font-weight: 500;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.nav-toggle span {
  width: 26px;
  height: 3px;
  background: var(--primary);
  border-radius: 2px;
  transition: var(--transition);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.main-nav a {
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.9375rem;
  padding: 0.625rem 1rem;
  border-radius: var(--radius-sm);
  transition: var(--transition);
  white-space: nowrap;
}

.main-nav a:hover {
  background: var(--bg-hover);
  color: var(--primary);
}

.main-nav a.active {
  background: var(--bg-card);
  color: var(--primary);
  font-weight: 600;
}

.auth-zone {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.btn-login {
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.9375rem;
  padding: 0.625rem 1.25rem;
  transition: var(--transition);
}

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

.btn-signup {
  background: linear-gradient(135deg, var(--accent) 0%, #B71C1C 100%);
  color: var(--text-primary);
  font-weight: 600;
  font-size: 0.9375rem;
  padding: 0.625rem 1.5rem;
  border-radius: var(--radius-sm);
  box-shadow: 0 4px 12px rgba(211, 47, 47, 0.3);
  transition: var(--transition);
}

.btn-signup:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(211, 47, 47, 0.4);
}

/* Hero Banner */
.hero-banner {
  position: relative;
  background: linear-gradient(135deg, rgba(10, 46, 28, 0.95) 0%, rgba(18, 62, 37, 0.9) 100%),
              url('/assets/images/backpic/back-2.jpg') center/cover;
  padding: 5rem 0 4rem;
  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, 0.08) 0%, transparent 60%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.hero-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(211, 47, 47, 0.2);
  border: 1px solid var(--accent);
  color: var(--accent-light);
  font-size: 0.875rem;
  font-weight: 600;
  padding: 0.5rem 1.25rem;
  border-radius: 50px;
  margin-bottom: 1.5rem;
}

.hero-content h1 {
  font-size: 2.75rem;
  font-weight: 800;
  line-height: 1.2;
  color: var(--primary);
  margin-bottom: 1.25rem;
  text-shadow: 0 2px 12px rgba(255, 215, 0, 0.3);
}

.hero-content p {
  font-size: 1.125rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 2rem;
}

.hero-cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: var(--bg-dark);
  font-weight: 700;
  font-size: 1.0625rem;
  padding: 1rem 2.5rem;
  border-radius: var(--radius);
  box-shadow: 0 6px 20px rgba(255, 215, 0, 0.3);
  transition: var(--transition);
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(255, 215, 0, 0.4);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border);
  color: var(--text-primary);
  font-weight: 600;
  font-size: 1.0625rem;
  padding: 1rem 2rem;
  border-radius: var(--radius);
  transition: var(--transition);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--primary);
}

/* Trust Stats */
.trust-stats {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2.5rem 0;
  margin: -2rem auto 0;
  max-width: 1000px;
  position: relative;
  z-index: 3;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  padding: 0 2rem;
}

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

.stat-value {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--primary);
  display: block;
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* Main Content */
.main-content {
  padding: 5rem 0;
}

.section {
  margin-bottom: 5rem;
}

.section-header {
  text-align: left;
  margin-bottom: 3rem;
}

.section-label {
  display: inline-block;
  background: rgba(255, 215, 0, 0.15);
  color: var(--primary);
  font-size: 0.875rem;
  font-weight: 600;
  padding: 0.5rem 1rem;
  border-radius: 50px;
  margin-bottom: 1rem;
}

.section-title {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 1rem;
  line-height: 1.2;
}

.section-desc {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  line-height: 1.7;
  max-width: 700px;
}

/* Trust Timeline */
.trust-timeline {
  position: relative;
  padding-left: 2.5rem;
}

.trust-timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--primary) 0%, transparent 100%);
}

.timeline-item {
  position: relative;
  margin-bottom: 2.5rem;
  padding-left: 2rem;
}

.timeline-item::before {
  content: '';
  position: absolute;
  left: -2.5rem;
  top: 0.5rem;
  width: 12px;
  height: 12px;
  background: var(--primary);
  border-radius: 50%;
  box-shadow: 0 0 0 4px rgba(255, 215, 0, 0.2);
}

.timeline-year {
  display: inline-block;
  background: var(--bg-card);
  color: var(--primary);
  font-weight: 700;
  font-size: 0.875rem;
  padding: 0.375rem 0.875rem;
  border-radius: 6px;
  margin-bottom: 0.75rem;
}

.timeline-item h3 {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.timeline-item p {
  font-size: 1rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* Withdrawal Methods */
.withdrawal-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.withdrawal-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.withdrawal-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 100%);
}

.withdrawal-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: var(--primary);
}

.withdrawal-icon {
  width: 56px;
  height: 56px;
  background: rgba(255, 215, 0, 0.15);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  color: var(--primary);
  margin-bottom: 1.25rem;
}

.withdrawal-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.withdrawal-speed {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--accent-light);
  font-weight: 600;
  font-size: 0.9375rem;
  margin-bottom: 1rem;
}

.withdrawal-card ul {
  list-style: none;
  margin-bottom: 1.25rem;
}

.withdrawal-card ul li {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  padding: 0.5rem 0;
  padding-left: 1.5rem;
  position: relative;
}

.withdrawal-card ul li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: 700;
}

.withdrawal-limit {
  background: rgba(255, 215, 0, 0.1);
  border-left: 3px solid var(--primary);
  padding: 0.75rem 1rem;
  border-radius: 6px;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

/* Security Features */
.security-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.security-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  text-align: center;
  transition: var(--transition);
}

.security-item:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
}

.security-item i {
  font-size: 2.5rem;
  color: var(--primary);
  margin-bottom: 1rem;
  display: block;
}

.security-item h4 {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.security-item p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Review Cards */
.review-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.review-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  transition: var(--transition);
}

.review-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-hover);
}

.review-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.review-avatar {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  object-fit: cover;
  border: 2px solid var(--primary);
}

.review-meta h4 {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.review-rating {
  color: var(--primary);
  font-size: 0.875rem;
}

.review-date {
  color: var(--text-muted);
  font-size: 0.8125rem;
  margin-top: 0.25rem;
}

.review-card p {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 1rem;
}

.review-verified {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  background: rgba(76, 175, 80, 0.15);
  color: #4CAF50;
  font-size: 0.8125rem;
  font-weight: 600;
  padding: 0.375rem 0.75rem;
  border-radius: 6px;
}

/* FAQ Section */
.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: 1rem;
  overflow: hidden;
  transition: var(--transition);
}

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

.faq-question {
  width: 100%;
  text-align: left;
  background: transparent;
  border: none;
  color: var(--text-primary);
  font-size: 1.0625rem;
  font-weight: 600;
  padding: 1.5rem 2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  transition: var(--transition);
}

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

.faq-icon {
  color: var(--primary);
  font-size: 1.25rem;
  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-item.active .faq-answer {
  max-height: 500px;
}

.faq-answer-content {
  padding: 0 2rem 1.5rem;
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.7;
}

/* CTA Section */
.cta-section {
  background: linear-gradient(135deg, var(--bg-card) 0%, rgba(18, 62, 37, 0.5) 100%),
              url('/assets/images/backpic/back-3.jpg') center/cover;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 4rem 2rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.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, 0.1) 0%, transparent 70%);
  pointer-events: none;
}

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

.cta-section h2 {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 1rem;
  line-height: 1.2;
}

.cta-section p {
  font-size: 1.0625rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 2rem;
}

.cta-badges {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
  margin-top: 2rem;
}

.cta-badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.cta-badge i {
  font-size: 2rem;
  color: var(--primary);
}

.cta-badge span {
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 500;
}

/* Footer */
.site-footer {
  background: var(--bg-dark);
  border-top: 1px solid var(--border);
  padding: 3rem 0 1.5rem;
  margin-top: 5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 2.5rem;
}

.footer-brand p {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  line-height: 1.7;
  margin: 1.25rem 0;
}

.badge-18 {
  display: inline-block;
  background: var(--accent);
  color: var(--text-primary);
  font-weight: 700;
  font-size: 0.875rem;
  padding: 0.5rem 1rem;
  border-radius: 6px;
}

.footer-col h4 {
  color: var(--primary);
  font-size: 1.0625rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
}

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

.footer-col ul li {
  margin-bottom: 0.75rem;
}

.footer-col ul li a {
  color: var(--text-secondary);
  font-size: 0.9375rem;
  transition: var(--transition);
}

.footer-col ul li a:hover {
  color: var(--primary);
  padding-left: 0.5rem;
}

.footer-col ul li:not(:has(a)) {
  color: var(--text-secondary);
  font-size: 0.9375rem;
}

.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 1.5rem;
  text-align: center;
}

.footer-bottom p {
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
}

.lic {
  color: var(--text-muted);
  font-size: 0.8125rem;
}

/* FAB */
.fab {
  position: fixed;
  left: 1.5rem;
  bottom: 6rem;
  z-index: 999;
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 24px rgba(255, 215, 0, 0.4);
  cursor: pointer;
  transition: var(--transition);
  border: 3px solid var(--bg-dark);
  opacity: 0.85;
  animation: fabPulse 3s ease-in-out infinite;
}

.fab:hover {
  opacity: 1;
  transform: scale(1.1) rotate(15deg);
  box-shadow: 0 10px 36px rgba(255, 215, 0, 0.6);
}

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

.fab-badge {
  position: absolute;
  top: -4px;
  right: -4px;
  width: 20px;
  height: 20px;
  background: var(--accent);
  border-radius: 50%;
  border: 2px solid var(--bg-dark);
  animation: blink 1.5s ease-in-out infinite;
}

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

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

/* Responsive */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

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

  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(10, 46, 28, 0.98);
    backdrop-filter: blur(12px);
    flex-direction: column;
    padding: 1rem;
    gap: 0.5rem;
    border-top: 1px solid var(--border);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
  }

  .main-nav.active {
    max-height: 400px;
  }

  .main-nav a {
    width: 100%;
    text-align: left;
  }

  .hero-content h1 {
    font-size: 2rem;
  }

  .section-title {
    font-size: 1.75rem;
  }

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }

  .withdrawal-grid,
  .security-grid,
  .review-grid {
    grid-template-columns: 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .cta-section h2 {
    font-size: 1.75rem;
  }

  .fab {
    left: 1rem;
    bottom: 5rem;
    width: 56px;
    height: 56px;
  }

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

@media (max-width: 520px) {
  .hero-content h1 {
    font-size: 1.625rem;
  }

  .hero-content p {
    font-size: 1rem;
  }

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

  .stat-value {
    font-size: 1.875rem;
  }

  .hero-cta {
    flex-direction: column;
  }

  .btn-primary,
  .btn-secondary {
    width: 100%;
  }

  .auth-zone {
    display: none;
  }

  .trust-timeline {
    padding-left: 1.5rem;
  }

  .timeline-item {
    padding-left: 1.25rem;
  }
}