/* roulang page: index */
:root{
  --bg:#07070D;
  --bg2:#0E0E1E;
  --surface:#12131F;
  --surface2:#171932;
  --line:rgba(148,163,184,.16);
  --line-volt:rgba(163,230,53,.34);
  --line-cyan:rgba(6,182,212,.32);
  --text:#FFFFFF;
  --muted:#94A3B8;
  --muted2:#A7B0C0;
  --volt:#A3E635;
  --plasma:#06B6D4;
  --laser:#F43F5E;
  --radius:18px;
  --radius-sm:12px;
  --radius-xs:9px;
  --shadow:0 22px 50px -26px rgba(0,0,0,.95);
  --glow-volt:0 0 18px rgba(163,230,53,.35);
  --glow-cyan:0 0 20px rgba(6,182,212,.4);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:'Be Vietnam Pro',system-ui,sans-serif;
  background:
    radial-gradient(1200px 620px at 12% -8%, rgba(6,182,212,.14), transparent 62%),
    radial-gradient(900px 520px at 92% 4%, rgba(163,230,53,.10), transparent 60%),
    var(--bg);
  color:var(--text);
  line-height:1.65;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .22s ease,opacity .22s ease;}
button,input,textarea,select{font-family:inherit;font-size:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--volt);outline-offset:3px;border-radius:6px;}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
.mono{font-family:'JetBrains Mono',monospace;}

/* ============ HEADER / NAV ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(7,7,13,.86);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:22px;height:68px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--volt),var(--plasma));
  color:#05060c;font-size:18px;font-weight:800;box-shadow:var(--glow-volt);
}
.brand-text{font-weight:700;font-size:15px;line-height:1.15;letter-spacing:.2px;}
.brand-text em{display:block;font-style:normal;font-size:11px;color:var(--volt);font-weight:600;letter-spacing:.6px;}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-link{
  padding:9px 14px;border-radius:999px;font-size:14px;font-weight:500;color:var(--muted2);
  border:1px solid transparent;white-space:nowrap;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.05);border-color:var(--line);}
.nav-link.active{color:#05060c;background:var(--volt);border-color:var(--volt);font-weight:700;box-shadow:var(--glow-volt);}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.login-link{font-size:14px;font-weight:600;color:var(--volt);border:1px solid var(--line-volt);padding:8px 14px;border-radius:999px;}
.login-link:hover{background:rgba(163,230,53,.1);}
.btn-volt{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:linear-gradient(120deg,var(--volt),#7CE0B0 55%,var(--plasma));
  color:#05060c;font-weight:700;border-radius:999px;
  padding:12px 24px;border:0;cursor:pointer;font-size:15px;
  box-shadow:0 0 18px rgba(163,230,53,.38);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.btn-volt:hover{transform:translateY(-2px);box-shadow:0 0 26px rgba(163,230,53,.55);filter:brightness(1.04);}
.btn-volt:active{transform:translateY(0) scale(.98);}
.btn-volt.btn-sm{padding:9px 18px;font-size:14px;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:transparent;color:#fff;font-weight:600;font-size:15px;
  border:1px solid var(--line-cyan);border-radius:999px;padding:11px 22px;cursor:pointer;
  transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.btn-ghost:hover{background:rgba(6,182,212,.12);border-color:var(--plasma);transform:translateY(-2px);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;background:rgba(255,255,255,.05);
  border:1px solid var(--line);align-items:center;justify-content:center;cursor:pointer;font-size:17px;
}

/* ============ SECTIONS ============ */
.section{padding:78px 0;position:relative;}
.section-alt{background:linear-gradient(180deg,rgba(14,14,30,.82),rgba(7,7,13,.2));border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:800px;margin-bottom:36px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:1.2px;text-transform:uppercase;
  color:var(--plasma);background:rgba(6,182,212,.1);
  border:1px solid var(--line-cyan);border-radius:999px;padding:6px 14px;margin-bottom:16px;
}
.h2{font-size:clamp(24px,3.1vw,36px);line-height:1.25;font-weight:800;letter-spacing:-.4px;margin:0 0 14px;}
.h3{font-size:clamp(19px,2.1vw,24px);line-height:1.35;font-weight:700;margin:0 0 10px;}
.lead{color:var(--muted2);font-size:16px;line-height:1.7;margin:0;}
.text-muted{color:var(--muted);}

/* ============ HERO ============ */
.hero{
  position:relative;overflow:hidden;
  padding:64px 0 72px;
  border-bottom:1px solid var(--line);
}
.hero-bg{
  position:absolute;inset:0;
  background-image:linear-gradient(100deg,rgba(7,7,13,.96) 30%,rgba(7,7,13,.72) 68%,rgba(28,7,56,.72)),url('/assets/images/8764c3f918766a43.jpg');
  background-size:cover;background-position:center;opacity:.55;z-index:0;
}
.hero::after{
  content:"";position:absolute;inset:0;z-index:0;
  background-image:linear-gradient(rgba(148,163,184,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(148,163,184,.06) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(70% 70% at 30% 40%,#000,transparent);
}
.hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.25fr .95fr;gap:44px;align-items:start;}
.hero h1{
  font-size:clamp(28px,4vw,46px);line-height:1.18;font-weight:800;letter-spacing:-.6px;margin:16px 0 18px;
  background:linear-gradient(96deg,#FFFFFF 24%,var(--volt) 62%,var(--plasma));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-intro{color:var(--muted2);font-size:16.5px;line-height:1.7;max-width:640px;margin:0 0 26px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:28px;}
.hero-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;max-width:620px;}
.hero-stat{border-left:2px solid var(--volt);padding-left:12px;}
.hero-stat b{display:block;font-size:22px;font-weight:800;letter-spacing:-.4px;}
.hero-stat span{font-size:12.5px;color:var(--muted);line-height:1.4;display:block;}

/* code panel */
.code-panel{
  background:linear-gradient(170deg,rgba(23,25,50,.94),rgba(9,10,20,.96));
  border:1px solid var(--line-cyan);
  border-radius:var(--radius);
  box-shadow:var(--shadow),0 0 26px rgba(6,182,212,.14);
  overflow:hidden;
}
.code-head{display:flex;align-items:center;gap:10px;padding:12px 16px;border-bottom:1px solid var(--line);background:rgba(255,255,255,.03);}
.dot{width:10px;height:10px;border-radius:50%;}
.dot.r{background:#F43F5E;}.dot.y{background:#FACC15;}.dot.g{background:#A3E635;}
.code-title{margin-left:6px;font-size:12px;letter-spacing:.6px;color:var(--muted);text-transform:uppercase;font-weight:600;}
.code-block{
  margin:0;padding:18px;font-family:'JetBrains Mono',monospace;font-size:12.8px;line-height:1.85;
  color:#DCE3F0;overflow-x:auto;
}
.code-block .c-key{color:var(--plasma);}
.code-block .c-val{color:var(--volt);}
.code-block .c-com{color:#5C6478;}
.code-foot{display:flex;flex-wrap:wrap;gap:8px;padding:14px 16px;border-top:1px solid var(--line);background:rgba(255,255,255,.02);}

/* board */
.board{margin-top:22px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow);}
.board-head{display:flex;justify-content:space-between;align-items:center;font-size:12.5px;color:var(--muted);margin-bottom:12px;letter-spacing:.3px;}
.board-live{display:inline-flex;align-items:center;gap:6px;color:var(--volt);font-weight:600;}
.board-live i{width:7px;height:7px;border-radius:50%;background:var(--volt);box-shadow:0 0 8px var(--volt);animation:pulse 1.6s infinite;}
@keyframes pulse{0%,100%{opacity:1;}50%{opacity:.3;}}
.board-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:7px;}
.cell{
  aspect-ratio:1/1;border-radius:9px;border:1px solid var(--line);
  background:rgba(255,255,255,.035);display:grid;place-items:center;
  font-family:'JetBrains Mono',monospace;font-size:12px;color:var(--muted);
  transition:.25s ease;
}
.cell:hover{transform:translateY(-2px);border-color:var(--plasma);color:#fff;}
.cell.corner{border-color:var(--line-volt);color:var(--volt);background:rgba(163,230,53,.09);box-shadow:inset 0 0 12px rgba(163,230,53,.12);}
.cell.tri{border-color:var(--line-cyan);color:var(--plasma);background:rgba(6,182,212,.1);}
.cell.mine{background:rgba(244,63,94,.16);border-color:rgba(244,63,94,.5);color:#FDA4AF;}
.board-legend{display:flex;flex-wrap:wrap;gap:14px;margin-top:14px;font-size:12px;color:var(--muted);}
.board-legend i{display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:6px;vertical-align:-1px;}

/* ============ STATS STRIP ============ */
.stat-strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--surface);}
.stat-cell{padding:24px 22px;border-right:1px solid var(--line);}
.stat-cell:last-child{border-right:0;}
.stat-num{font-size:clamp(24px,3vw,32px);font-weight:800;letter-spacing:-.8px;color:var(--volt);line-height:1.1;}
.stat-lbl{font-size:13px;color:var(--muted2);margin-top:6px;line-height:1.5;}

/* ============ CARDS ============ */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}
.card{
  background:linear-gradient(165deg,rgba(23,25,50,.85),rgba(11,12,22,.92));
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;
  display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-5px);border-color:var(--line-volt);box-shadow:0 22px 44px -26px rgba(163,230,53,.4);}
.card-media{position:relative;aspect-ratio:16/10;overflow:hidden;}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.card:hover .card-media img{transform:scale(1.05);}
.card-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,7,13,0) 40%,rgba(7,7,13,.85));}
.card-tag{
  position:absolute;top:12px;left:12px;z-index:2;
  font-size:11px;font-weight:700;letter-spacing:.8px;text-transform:uppercase;
  padding:5px 11px;border-radius:999px;background:rgba(7,7,13,.82);
  border:1px solid var(--line-volt);color:var(--volt);
}
.card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card-title{font-size:17px;font-weight:700;line-height:1.4;margin:0;}
.card-text{font-size:14px;color:var(--muted2);line-height:1.65;margin:0;}
.card-foot{margin-top:auto;display:flex;align-items:center;gap:8px;font-size:13px;color:var(--plasma);font-weight:600;}
.link-plain{color:var(--plasma);font-weight:600;font-size:14px;}
.link-plain:hover{color:var(--volt);}
.card-flat{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;}

/* ============ STRATEGY BLOCKS ============ */
.strategy{border-left:3px solid var(--volt);padding:4px 0 4px 22px;margin-bottom:30px;}
.strategy:nth-child(3){border-left-color:var(--plasma);}
.strategy:nth-child(4){border-left-color:var(--laser);}
.strategy p{color:var(--muted2);margin:0 0 12px;line-height:1.72;}
.strategy ul{margin:0;padding-left:20px;color:var(--muted2);font-size:15px;line-height:1.75;}
.strategy ul li{margin-bottom:5px;}
.strategy ul li::marker{color:var(--volt);}

/* ============ ICON MATRIX ============ */
.icon-item{display:flex;gap:14px;align-items:flex-start;padding:18px;border:1px solid var(--line);border-radius:var(--radius-sm);background:rgba(255,255,255,.02);transition:.25s ease;}
.icon-item:hover{border-color:var(--line-cyan);background:rgba(6,182,212,.06);}
.icon-box{width:42px;height:42px;flex-shrink:0;border-radius:12px;display:grid;place-items:center;background:rgba(163,230,53,.1);border:1px solid var(--line-volt);color:var(--volt);font-size:17px;}
.icon-item h4{margin:0 0 4px;font-size:15px;font-weight:700;}
.icon-item p{margin:0;font-size:13.5px;color:var(--muted);line-height:1.6;}

/* ============ COMPARE ============ */
.compare{width:100%;border-collapse:collapse;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;font-size:14.5px;}
.compare th,.compare td{padding:15px 18px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top;line-height:1.6;}
.compare thead th{background:rgba(255,255,255,.04);font-size:13px;letter-spacing:.6px;text-transform:uppercase;color:var(--muted);font-weight:700;}
.compare tbody tr:last-child td{border-bottom:0;}
.compare .good{color:var(--volt);font-weight:600;}
.compare .bad{color:#FCA5A5;}

/* ============ STEPS ============ */
.step{position:relative;padding:22px;border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(170deg,rgba(23,25,50,.7),rgba(11,12,22,.9));}
.step-num{font-family:'JetBrains Mono',monospace;font-size:13px;color:var(--volt);font-weight:700;letter-spacing:1px;}
.step h4{margin:8px 0 8px;font-size:16px;font-weight:700;}
.step p{margin:0;font-size:13.5px;color:var(--muted2);line-height:1.65;}

/* ============ DEMO PANEL ============ */
.demo-panel{background:linear-gradient(165deg,rgba(23,25,50,.9),rgba(9,10,20,.95));border:1px solid var(--line-cyan);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);}
.bar-row{display:grid;grid-template-columns:120px 1fr 62px;align-items:center;gap:14px;margin-bottom:14px;font-size:13px;}
.bar-track{height:10px;border-radius:999px;background:rgba(255,255,255,.06);overflow:hidden;}
.bar-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--plasma),var(--volt));}
.bar-fill.warn{background:linear-gradient(90deg,#F59E0B,var(--laser));}
.bar-val{font-family:'JetBrains Mono',monospace;color:var(--muted);text-align:right;}

/* ============ TIERS ============ */
.tier{border:1px solid var(--line);border-radius:var(--radius);padding:24px;background:var(--surface);display:flex;flex-direction:column;gap:12px;}
.tier.hot{border-color:var(--line-volt);background:linear-gradient(170deg,rgba(163,230,53,.09),rgba(11,12,22,.95));box-shadow:0 0 24px rgba(163,230,53,.14);}
.tier h3{margin:0;font-size:18px;font-weight:700;}
.tier .money{font-size:22px;font-weight:800;color:var(--volt);letter-spacing:-.5px;}
.tier ul{margin:0;padding-left:18px;color:var(--muted2);font-size:14px;line-height:1.75;}
.tier ul li::marker{color:var(--plasma);}

/* ============ TAGS ============ */
.tag-wall{display:flex;flex-wrap:wrap;gap:10px;}
.tag{
  display:inline-flex;align-items:center;gap:7px;font-size:13px;color:var(--muted2);
  border:1px solid var(--line);border-radius:999px;padding:8px 16px;background:rgba(255,255,255,.02);
  transition:.22s ease;
}
.tag:hover{color:#05060c;background:var(--volt);border-color:var(--volt);}
.badge{display:inline-flex;align-items:center;gap:6px;font-size:11.5px;font-weight:700;letter-spacing:.6px;text-transform:uppercase;padding:5px 11px;border-radius:999px;border:1px solid var(--line-cyan);color:var(--plasma);background:rgba(6,182,212,.08);}
.badge.volt{border-color:var(--line-volt);color:var(--volt);background:rgba(163,230,53,.08);}

/* ============ TESTIMONIAL ============ */
.quote{border:1px solid var(--line);border-radius:var(--radius);padding:22px;background:rgba(255,255,255,.02);}
.quote p{margin:0 0 14px;font-size:14.5px;color:var(--muted2);line-height:1.7;}
.quote-by{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted);}
.avatar{width:34px;height:34px;border-radius:50%;background:linear-gradient(140deg,var(--plasma),var(--volt));display:grid;place-items:center;color:#05060c;font-weight:800;font-size:13px;}

/* ============ FAQ ============ */
.faq-item{border:1px solid var(--line);border-radius:var(--radius-sm);background:rgba(255,255,255,.02);margin-bottom:12px;overflow:hidden;}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 20px;font-weight:600;font-size:15.5px;
  display:flex;justify-content:space-between;gap:16px;align-items:flex-start;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"+";color:var(--volt);font-size:20px;line-height:1;font-weight:400;}
.faq-item[open] summary::after{content:"–";}
.faq-item[open]{border-color:var(--line-volt);}
.faq-item p{margin:0;padding:0 20px 20px;color:var(--muted2);font-size:14.5px;line-height:1.75;}

/* ============ CMS NEWS ============ */
.news-layout{display:grid;grid-template-columns:1.6fr 1fr;gap:30px;align-items:start;}
.news-item{padding:20px 0;border-bottom:1px solid var(--line);}
.news-item:first-child{padding-top:0;}
.news-title{margin:0 0 8px;font-size:17.5px;font-weight:700;line-height:1.45;}
.news-title a:hover,.news-item:hover .news-title{color:var(--volt);}
.news-ex{margin:0 0 12px;color:var(--muted2);font-size:14px;line-height:1.65;}
.news-meta{display:flex;align-items:center;gap:12px;font-size:12.5px;color:var(--muted);}
.news-side{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px;}
.side-title{margin:0 0 16px;font-size:15px;font-weight:700;letter-spacing:.3px;}
.side-item{display:block;padding:12px 0;border-bottom:1px dashed var(--line);}
.side-item:last-child{border-bottom:0;padding-bottom:0;}
.side-title-sm{display:block;font-size:14px;font-weight:600;line-height:1.5;margin-bottom:4px;}
.side-item:hover .side-title-sm{color:var(--volt);}
.side-date{font-size:12px;color:var(--muted);}
.more-link{display:inline-flex;align-items:center;gap:8px;margin-top:22px;font-weight:700;font-size:14.5px;color:var(--plasma);border-bottom:1px solid var(--line-cyan);padding-bottom:3px;}
.more-link:hover{color:var(--volt);border-color:var(--volt);}
.empty-note{padding:22px;border:1px dashed var(--line);border-radius:var(--radius-sm);color:var(--muted);font-size:14.5px;}

/* ============ FORM ============ */
.lead-layout{display:grid;grid-template-columns:1.05fr 1fr;gap:36px;align-items:center;}
.lead-form{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.field{margin-bottom:14px;}
.field label{display:block;font-size:13px;color:var(--muted2);margin-bottom:7px;font-weight:600;}
.field input,.field select,.field textarea{
  width:100%;background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:var(--radius-xs);
  padding:12px 14px;font-size:14.5px;transition:.2s ease;
}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--volt);background:rgba(163,230,53,.06);outline:none;}
.field textarea{resize:vertical;min-height:96px;}
.form-note{margin:12px 0 0;font-size:13.5px;color:var(--volt);min-height:20px;}

/* ============ FOOTER ============ */
.site-footer{background:linear-gradient(180deg,rgba(14,14,30,.9),rgba(5,5,10,.98));border-top:1px solid var(--line);padding:56px 0 26px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;}
.footer-brand{font-size:16px;font-weight:800;margin-bottom:12px;line-height:1.35;}
.footer-text{color:var(--muted);font-size:13.5px;line-height:1.7;}
.footer-col h4{font-size:13px;letter-spacing:1px;text-transform:uppercase;color:#fff;margin:0 0 14px;font-weight:700;}
.footer-col a,.footer-col span{display:block;font-size:13.5px;color:var(--muted);padding:5px 0;}
.footer-col a:hover{color:var(--volt);}
.pay-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;}
.pay-chip{font-size:11.5px;font-weight:700;letter-spacing:.4px;border:1px solid var(--line);border-radius:8px;padding:6px 11px;color:var(--muted2);background:rgba(255,255,255,.03);}
.footer-bottom{display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;margin-top:36px;padding-top:20px;border-top:1px solid var(--line);font-size:12.5px;color:var(--muted);}
.age-badge{border:1px solid var(--laser);color:#FDA4AF;border-radius:8px;padding:4px 9px;font-weight:700;font-size:11.5px;}

/* ============ FAB ============ */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  display:inline-flex;align-items:center;gap:9px;
  padding:14px 18px;border-radius:999px;
  background:rgba(7,7,13,.82);backdrop-filter:blur(12px);
  border:1px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.86),rgba(7,7,13,.86)),linear-gradient(120deg,var(--volt),var(--plasma),var(--laser));
  background-origin:border-box;background-clip:padding-box,border-box;
  color:#fff;font-weight:700;font-size:13.5px;
  box-shadow:0 0 22px rgba(6,182,212,.42);
  opacity:.78;transition:opacity .25s ease,transform .25s ease,box-shadow .25s ease;
  animation:fabPulse 3.4s ease-in-out infinite;
}
.fab:hover{opacity:1;transform:scale(1.06);box-shadow:0 0 32px rgba(163,230,53,.6);animation-play-state:paused;}
.fab:active{transform:scale(.95);}
.fab i{color:var(--volt);font-size:16px;}
.fab-dot{position:absolute;top:6px;right:9px;width:9px;height:9px;border-radius:50%;background:var(--laser);box-shadow:0 0 10px var(--laser);animation:pulse 1.4s infinite;}
@keyframes fabPulse{0%,100%{box-shadow:0 0 18px rgba(6,182,212,.36);}50%{box-shadow:0 0 30px rgba(163,230,53,.5);}}

/* ============ RESPONSIVE ============ */
@media (max-width:1080px){
  .hero-inner{grid-template-columns:1fr;gap:32px;}
  .news-layout{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px;}
  .lead-layout{grid-template-columns:1fr;gap:24px;}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:900px){
  .main-nav{
    position:fixed;top:68px;left:0;right:0;display:none;flex-direction:column;align-items:stretch;
    background:rgba(8,8,16,.98);border-bottom:1px solid var(--line);padding:14px 20px 22px;gap:8px;
    backdrop-filter:blur(14px);
  }
  .main-nav.open{display:flex;}
  .nav-link{padding:12px 14px;border-radius:12px;font-size:15px;}
  .nav-toggle{display:flex;}
  .grid-3{grid-template-columns:1fr 1fr;}
  .stat-strip{grid-template-columns:1fr 1fr;}
  .stat-cell:nth-child(2){border-right:0;}
  .stat-cell:nth-child(1),.stat-cell:nth-child(2){border-bottom:1px solid var(--line);}
  .section{padding:60px 0;}
}
@media (max-width:640px){
  .header-inner{height:62px;gap:10px;}
  .brand-text{font-size:13px;}
  .brand-text em{font-size:10px;}
  .login-link{padding:7px 11px;font-size:12.5px;}
  .btn-volt.btn-sm{padding:8px 13px;font-size:12.5px;}
  .hero{padding:44px 0 52px;}
  .hero-stats{grid-template-columns:1fr 1fr;gap:12px;}
  .grid-3,.grid-2,.grid-4{grid-template-columns:1fr;}
  .stat-strip{grid-template-columns:1fr;}
  .stat-cell{border-right:0;border-bottom:1px solid var(--line);}
  .compare th,.compare td{padding:12px 12px;font-size:13.5px;}
  .bar-row{grid-template-columns:88px 1fr 52px;font-size:12px;}
  .footer-grid{grid-template-columns:1fr;}
  .form-row{grid-template-columns:1fr;}
  .fab{left:12px;bottom:84px;padding:12px 15px;font-size:12.5px;}
  .section{padding:48px 0;}
}

/* roulang page: article */
:root{
  --bg:#07070D;
  --bg2:#0E0E1E;
  --surface:#12131F;
  --surface2:#171932;
  --line:rgba(148,163,184,.16);
  --line-volt:rgba(163,230,53,.34);
  --line-cyan:rgba(6,182,212,.32);
  --text:#FFFFFF;
  --muted:#94A3B8;
  --muted2:#A7B0C0;
  --volt:#A3E635;
  --plasma:#06B6D4;
  --laser:#F43F5E;
  --radius:18px;
  --radius-sm:12px;
  --radius-xs:9px;
  --shadow:0 22px 50px -26px rgba(0,0,0,.95);
  --glow-volt:0 0 18px rgba(163,230,53,.35);
  --glow-cyan:0 0 20px rgba(6,182,212,.4);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:'Be Vietnam Pro',system-ui,sans-serif;
  background:
    radial-gradient(1200px 620px at 12% -8%, rgba(6,182,212,.14), transparent 62%),
    radial-gradient(900px 520px at 92% 4%, rgba(163,230,53,.10), transparent 60%),
    var(--bg);
  color:var(--text);
  line-height:1.65;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .22s ease,opacity .22s ease;}
button,input,textarea,select{font-family:inherit;font-size:inherit;color:inherit;}
a:focus-visible,button:focus-visible{outline:2px solid var(--volt);outline-offset:3px;border-radius:6px;}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
/* HEADER / NAV */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(7,7,13,.86);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:22px;height:68px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--volt),var(--plasma));
  color:#05060c;font-size:18px;font-weight:800;box-shadow:var(--glow-volt);
}
.brand-text{font-weight:700;font-size:15px;line-height:1.15;letter-spacing:.2px;}
.brand-text em{display:block;font-style:normal;font-size:11px;color:var(--volt);font-weight:600;letter-spacing:.6px;}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-link{
  padding:9px 14px;border-radius:999px;font-size:14px;font-weight:500;color:var(--muted2);
  border:1px solid transparent;white-space:nowrap;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.05);border-color:var(--line);}
.nav-link.active{color:#05060c;background:var(--volt);border-color:var(--volt);font-weight:700;box-shadow:var(--glow-volt);}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.login-link{font-size:14px;font-weight:600;color:var(--muted2);}
.login-link:hover{color:var(--volt);}
.btn-volt{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:linear-gradient(120deg,var(--volt),#7CE0B0 55%,var(--plasma));
  color:#05060c;font-weight:700;border-radius:999px;
  padding:12px 24px;border:0;cursor:pointer;font-size:15px;
  box-shadow:0 0 18px rgba(163,230,53,.38);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.btn-volt:hover{transform:translateY(-2px);box-shadow:0 0 26px rgba(163,230,53,.55);filter:brightness(1.04);}
.btn-volt:active{transform:translateY(0) scale(.98);}
.btn-volt.btn-sm{padding:9px 18px;font-size:14px;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:transparent;color:#fff;font-weight:600;font-size:15px;
  border:1px solid var(--line-cyan);border-radius:999px;padding:11px 22px;cursor:pointer;
  transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.btn-ghost:hover{background:rgba(6,182,212,.12);border-color:var(--plasma);transform:translateY(-2px);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;background:rgba(255,255,255,.05);
  border:1px solid var(--line);align-items:center;justify-content:center;cursor:pointer;font-size:17px;
}
/* SECTION BASE */
.section{padding:70px 0;position:relative;}
.section-alt{background:linear-gradient(180deg,rgba(14,14,30,.82),rgba(7,7,13,.2));border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:820px;margin-bottom:32px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:1.2px;text-transform:uppercase;
  color:var(--plasma);background:rgba(6,182,212,.1);
  border:1px solid var(--line-cyan);border-radius:999px;padding:6px 14px;margin-bottom:16px;
}
.section-head h2{font-size:clamp(22px,3vw,32px);font-weight:800;letter-spacing:-.4px;margin:0 0 12px;line-height:1.25;}
.lead{color:var(--muted2);font-size:16px;line-height:1.7;margin:0;}
.text-muted{color:var(--muted);}
/* ARTICLE HERO */
.art-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);padding:52px 0 56px;}
.art-hero-bg{
  position:absolute;inset:0;
  background-image:linear-gradient(100deg,rgba(7,7,13,.97) 32%,rgba(7,7,13,.78) 70%,rgba(28,7,56,.74)),url('/assets/images/9d18d4636984ce5a.jpg');
  background-size:cover;background-position:center;opacity:.55;z-index:0;
}
.art-hero::after{
  content:"";position:absolute;inset:0;z-index:0;
  background-image:linear-gradient(rgba(148,163,184,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(148,163,184,.06) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(72% 72% at 30% 40%,#000,transparent);
}
.art-hero-inner{position:relative;z-index:1;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:20px;}
.crumb a:hover{color:var(--volt);}
.crumb span.sep{opacity:.5;}
.art-hero h1{
  font-size:clamp(26px,3.6vw,42px);line-height:1.2;font-weight:800;letter-spacing:-.6px;margin:0 0 18px;max-width:960px;
  background:linear-gradient(96deg,#FFFFFF 26%,var(--volt) 64%,var(--plasma));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.art-meta{display:flex;flex-wrap:wrap;gap:10px 16px;align-items:center;font-size:13.5px;color:var(--muted2);}
.art-meta .tag{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:700;letter-spacing:.6px;text-transform:uppercase;
  color:var(--volt);background:rgba(163,230,53,.1);border:1px solid var(--line-volt);border-radius:999px;padding:5px 12px;
}
.art-meta i{color:var(--plasma);}
/* LAYOUT */
.art-layout{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:38px;align-items:start;}
.article-body{
  background:linear-gradient(165deg,rgba(23,25,50,.72),rgba(12,13,26,.9));
  border:1px solid var(--line);border-radius:var(--radius);padding:34px 32px;box-shadow:var(--shadow);
}
.article-body h2{font-size:clamp(20px,2.4vw,26px);font-weight:800;letter-spacing:-.3px;margin:34px 0 14px;line-height:1.3;}
.article-body h2:first-child{margin-top:0;}
.article-body h3{font-size:19px;font-weight:700;margin:26px 0 10px;color:#fff;}
.article-body p{margin:0 0 16px;color:var(--muted2);line-height:1.75;}
.article-body strong{color:#fff;}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:22px;color:var(--muted2);line-height:1.75;}
.article-body li{margin-bottom:9px;}
.article-body blockquote{
  margin:22px 0;padding:16px 20px;border-left:3px solid var(--volt);
  background:rgba(163,230,53,.06);border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:var(--muted2);
}
.article-body img{border-radius:var(--radius-sm);margin:18px 0;border:1px solid var(--line);}
.article-body a{color:var(--volt);border-bottom:1px solid var(--line-volt);}
.article-body a:hover{color:var(--plasma);}
.article-body table{width:100%;border-collapse:collapse;margin:18px 0;font-size:14.5px;}
.article-body th,.article-body td{border:1px solid var(--line);padding:11px 13px;text-align:left;color:var(--muted2);}
.article-body th{background:rgba(6,182,212,.08);color:#fff;font-weight:700;}
.article-body code{font-family:'JetBrains Mono',monospace;font-size:13.5px;background:rgba(6,182,212,.12);color:var(--plasma);padding:2px 7px;border-radius:6px;}
.notfound{text-align:left;padding:8px 0 4px;}
.notfound p{color:var(--muted2);margin:0 0 20px;}
/* SIDEBAR */
.side-card{
  background:linear-gradient(165deg,rgba(23,25,50,.85),rgba(12,13,26,.92));
  border:1px solid var(--line);border-radius:var(--radius);padding:24px 22px;box-shadow:var(--shadow);margin-bottom:22px;
}
.side-card h3{font-size:16px;font-weight:700;margin:0 0 16px;display:flex;align-items:center;gap:9px;}
.side-card h3 i{color:var(--volt);}
.side-list{list-style:none;margin:0;padding:0;}
.side-list li{padding:11px 0;border-bottom:1px dashed var(--line);}
.side-list li:last-child{border-bottom:0;padding-bottom:0;}
.side-list a{font-size:14.5px;color:var(--muted2);display:flex;gap:10px;align-items:flex-start;line-height:1.5;}
.side-list a:hover{color:var(--volt);}
.side-list a i{color:var(--plasma);margin-top:5px;font-size:12px;}
.cat-chips{display:flex;flex-wrap:wrap;gap:9px;}
.cat-chips a{
  font-size:13px;font-weight:600;padding:8px 14px;border-radius:999px;
  border:1px solid var(--line-cyan);background:rgba(6,182,212,.08);color:var(--muted2);
  transition:all .2s ease;
}
.cat-chips a:hover{border-color:var(--plasma);color:#fff;background:rgba(6,182,212,.18);transform:translateY(-2px);}
.fact-list{list-style:none;margin:0;padding:0;}
.fact-list li{display:flex;justify-content:space-between;gap:12px;padding:10px 0;border-bottom:1px dashed var(--line);font-size:14px;}
.fact-list li:last-child{border-bottom:0;}
.fact-list span:first-child{color:var(--muted);}
.fact-list span:last-child{color:var(--volt);font-weight:700;font-family:'JetBrains Mono',monospace;font-size:13.5px;}
/* CARDS / GRID */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;}
.card{
  background:linear-gradient(165deg,rgba(23,25,50,.85),rgba(12,13,26,.92));
  border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.card:hover{transform:translateY(-4px);border-color:var(--line-volt);box-shadow:0 0 24px rgba(163,230,53,.18);}
.card .ico{
  width:48px;height:48px;border-radius:14px;display:grid;place-items:center;font-size:20px;
  background:rgba(6,182,212,.12);color:var(--plasma);border:1px solid var(--line-cyan);margin-bottom:16px;
}
.card h3{font-size:18px;font-weight:700;margin:0 0 10px;line-height:1.35;}
.card p{color:var(--muted2);font-size:15px;line-height:1.68;margin:0;}
.stat-strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;margin-top:8px;}
.stat-box{
  border:1px solid var(--line);border-radius:var(--radius-sm);padding:20px 18px;
  background:linear-gradient(165deg,rgba(23,25,50,.7),rgba(12,13,26,.85));
}
.stat-box b{display:block;font-size:26px;font-weight:800;letter-spacing:-.6px;color:var(--volt);font-family:'JetBrains Mono',monospace;}
.stat-box span{font-size:13px;color:var(--muted);line-height:1.45;display:block;margin-top:6px;}
/* CTA */
.cta-band{
  border:1px solid var(--line-volt);border-radius:var(--radius);padding:40px 36px;
  background:linear-gradient(120deg,rgba(163,230,53,.10),rgba(6,182,212,.10));
  display:grid;grid-template-columns:1.4fr auto;gap:26px;align-items:center;
}
.cta-band h2{font-size:clamp(20px,2.6vw,28px);font-weight:800;margin:0 0 10px;letter-spacing:-.3px;}
.cta-band p{color:var(--muted2);margin:0;max-width:640px;}
/* FAQ */
.faq-item{border:1px solid var(--line);border-radius:var(--radius-sm);margin-bottom:14px;background:rgba(12,13,26,.7);overflow:hidden;}
.faq-item summary{
  cursor:pointer;list-style:none;padding:18px 20px;font-weight:600;font-size:15.5px;
  display:flex;justify-content:space-between;align-items:center;gap:14px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"+";font-size:20px;color:var(--volt);font-weight:700;line-height:1;}
.faq-item[open] summary::after{content:"–";}
.faq-item summary:hover{color:var(--volt);}
.faq-item .faq-body{padding:0 20px 20px;color:var(--muted2);font-size:15px;line-height:1.7;border-top:1px dashed var(--line);padding-top:16px;}
/* FOOTER */
.site-footer{background:linear-gradient(180deg,rgba(7,7,13,.4),rgba(7,7,13,.95));border-top:1px solid var(--line);padding:60px 0 26px;margin-top:10px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px;}
.footer-brand .logo{display:flex;align-items:flex-start;gap:11px;margin-bottom:16px;}
.logo-mark{
  width:38px;height:38px;flex-shrink:0;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--volt),var(--plasma));color:#05060c;font-size:16px;box-shadow:var(--glow-volt);
}
.logo-text{font-size:14.5px;font-weight:700;line-height:1.4;}
.footer-brand p{color:var(--muted);font-size:14px;line-height:1.7;margin:0;max-width:420px;}
.footer-col h4{font-size:14px;font-weight:700;margin:0 0 16px;letter-spacing:.5px;text-transform:uppercase;color:#fff;}
.footer-col ul{list-style:none;margin:0;padding:0;}
.footer-col li{margin-bottom:11px;}
.footer-col a{font-size:14px;color:var(--muted2);}
.footer-col a:hover{color:var(--volt);}
.pay-badges{display:flex;flex-wrap:wrap;gap:8px;}
.pay-badges span{
  font-size:12.5px;font-weight:600;padding:7px 12px;border-radius:9px;
  border:1px solid var(--line);background:rgba(255,255,255,.04);color:var(--muted2);
}
.footer-bottom{
  margin-top:40px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;align-items:center;
}
.footer-bottom p{font-size:13px;color:var(--muted);margin:0;}
.footer-domain{font-family:'JetBrains Mono',monospace;color:var(--muted2);}
/* FAB */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  width:56px;height:56px;border-radius:16px;display:grid;place-items:center;
  background:rgba(7,7,13,.8);backdrop-filter:blur(10px);
  border:1px solid var(--line-cyan);color:var(--volt);font-size:21px;
  box-shadow:0 0 20px rgba(6,182,212,.42);opacity:.8;
  transition:transform .22s ease,opacity .22s ease,box-shadow .22s ease;
}
.fab:hover{opacity:1;transform:scale(1.1);box-shadow:0 0 28px rgba(6,182,212,.6);}
.fab:active{transform:scale(.94);}
.fab .dot{position:absolute;top:7px;right:7px;width:10px;height:10px;border-radius:99px;background:var(--laser);box-shadow:0 0 10px var(--laser);animation:pulse 1.6s infinite;}
@keyframes pulse{0%,100%{opacity:1;}50%{opacity:.35;}}
/* RESPONSIVE */
@media (max-width:1024px){
  .art-layout{grid-template-columns:1fr;}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .stat-strip{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .cta-band{grid-template-columns:1fr;}
}
@media (max-width:768px){
  .main-nav{
    display:none;position:absolute;top:68px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;padding:14px 18px 20px;
    background:rgba(9,9,18,.98);border-bottom:1px solid var(--line);margin-left:0;
  }
  .main-nav.open{display:flex;}
  .nav-link{padding:12px 14px;}
  .nav-toggle{display:flex;}
  .header-inner{gap:12px;}
  .header-actions .login-link{display:none;}
  .section{padding:54px 0;}
  .grid-2,.grid-3{grid-template-columns:1fr;}
  .article-body{padding:26px 20px;}
  .art-hero{padding:36px 0 40px;}
}
@media (max-width:520px){
  .brand-text{font-size:13px;}
  .stat-strip{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-band{padding:26px 20px;}
  .hero-stats{grid-template-columns:1fr;}
}

/* roulang page: category1 */
:root{
  --bg:#07070D;
  --bg2:#0E0E1E;
  --surface:#12131F;
  --surface2:#171932;
  --line:rgba(148,163,184,.16);
  --line-volt:rgba(163,230,53,.34);
  --line-cyan:rgba(6,182,212,.32);
  --text:#FFFFFF;
  --muted:#94A3B8;
  --muted2:#A7B0C0;
  --volt:#A3E635;
  --plasma:#06B6D4;
  --laser:#F43F5E;
  --radius:18px;
  --radius-sm:12px;
  --radius-xs:9px;
  --shadow:0 22px 50px -26px rgba(0,0,0,.95);
  --glow-volt:0 0 18px rgba(163,230,53,.35);
  --glow-cyan:0 0 20px rgba(6,182,212,.4);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:'Be Vietnam Pro',system-ui,sans-serif;
  background:
    radial-gradient(1200px 620px at 12% -8%, rgba(6,182,212,.14), transparent 62%),
    radial-gradient(900px 520px at 92% 4%, rgba(163,230,53,.10), transparent 60%),
    var(--bg);
  color:var(--text);
  line-height:1.65;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .22s ease,opacity .22s ease;}
button,input,textarea,select{font-family:inherit;font-size:inherit;color:inherit;}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
/* ============ HEADER / NAV ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(7,7,13,.86);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:22px;height:68px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--volt),var(--plasma));
  color:#05060c;font-size:18px;font-weight:800;box-shadow:var(--glow-volt);
}
.brand-text{font-weight:700;font-size:15px;line-height:1.15;letter-spacing:.2px;}
.brand-text em{display:block;font-style:normal;font-size:11px;color:var(--volt);font-weight:600;letter-spacing:.6px;}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-link{
  padding:9px 14px;border-radius:999px;font-size:14px;font-weight:500;color:var(--muted2);
  border:1px solid transparent;white-space:nowrap;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.05);border-color:var(--line);}
.nav-link.active{color:#05060c;background:var(--volt);border-color:var(--volt);font-weight:700;box-shadow:var(--glow-volt);}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.login-link{font-size:14px;font-weight:600;color:var(--muted2);padding:8px 6px;border-radius:8px;}
.login-link:hover{color:var(--volt);}
.btn-volt{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:linear-gradient(120deg,var(--volt),#7CE0B0 55%,var(--plasma));
  color:#05060c;font-weight:700;border-radius:999px;
  padding:12px 24px;border:0;cursor:pointer;font-size:15px;
  box-shadow:0 0 18px rgba(163,230,53,.38);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.btn-volt:hover{transform:translateY(-2px);box-shadow:0 0 26px rgba(163,230,53,.55);filter:brightness(1.04);}
.btn-volt:active{transform:translateY(0) scale(.98);}
.btn-volt.btn-sm{padding:9px 18px;font-size:14px;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:transparent;color:#fff;font-weight:600;font-size:15px;
  border:1px solid var(--line-cyan);border-radius:999px;padding:11px 22px;cursor:pointer;
  transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.btn-ghost:hover{background:rgba(6,182,212,.12);border-color:var(--plasma);transform:translateY(-2px);}
.btn-ghost:focus-visible,.btn-volt:focus-visible,.nav-link:focus-visible{outline:2px solid var(--plasma);outline-offset:2px;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;background:rgba(255,255,255,.05);
  border:1px solid var(--line);align-items:center;justify-content:center;cursor:pointer;font-size:17px;
}
/* ============ SECTIONS ============ */
.section{padding:78px 0;position:relative;}
.section-alt{background:linear-gradient(180deg,rgba(14,14,30,.82),rgba(7,7,13,.2));border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:820px;margin-bottom:36px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:1.2px;text-transform:uppercase;
  color:var(--plasma);background:rgba(6,182,212,.1);
  border:1px solid var(--line-cyan);border-radius:999px;padding:6px 14px;margin-bottom:16px;
}
h2.sec-title{font-size:clamp(23px,3vw,34px);font-weight:800;letter-spacing:-.5px;line-height:1.25;margin:0 0 14px;}
h3.card-title{font-size:18px;font-weight:700;margin:0 0 10px;line-height:1.4;}
.lead{color:var(--muted2);font-size:16px;line-height:1.7;margin:0;}
.text-muted{color:var(--muted);}
.divider{height:1px;background:var(--line);margin:0;}
/* ============ HERO ============ */
.hero{
  position:relative;overflow:hidden;
  padding:62px 0 70px;
  border-bottom:1px solid var(--line);
}
.hero-bg{
  position:absolute;inset:0;
  background-image:linear-gradient(100deg,rgba(7,7,13,.97) 32%,rgba(7,7,13,.74) 66%,rgba(28,7,56,.74)),url('/assets/images/8764c3f918766a43.jpg');
  background-size:cover;background-position:center;opacity:.55;z-index:0;
}
.hero::after{
  content:"";position:absolute;inset:0;z-index:0;
  background-image:linear-gradient(rgba(148,163,184,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(148,163,184,.06) 1px,transparent 1px);
  background-size:56px 56px;
  -webkit-mask-image:radial-gradient(70% 70% at 30% 40%,#000,transparent);
  mask-image:radial-gradient(70% 70% at 30% 40%,#000,transparent);
}
.hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.2fr .95fr;gap:44px;align-items:start;}
.crumb{font-size:13px;color:var(--muted);margin-bottom:14px;}
.crumb a:hover{color:var(--volt);}
.crumb span{margin:0 7px;color:var(--muted);}
.hero h1{
  font-size:clamp(27px,3.9vw,44px);line-height:1.2;font-weight:800;letter-spacing:-.6px;margin:0 0 18px;
  background:linear-gradient(96deg,#FFFFFF 24%,var(--volt) 62%,var(--plasma));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-intro{color:var(--muted2);font-size:16.5px;line-height:1.72;max-width:640px;margin:0 0 26px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:30px;}
.hero-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;max-width:640px;}
.hero-stat{border-left:2px solid var(--volt);padding-left:12px;}
.hero-stat b{display:block;font-size:22px;font-weight:800;letter-spacing:-.4px;}
.hero-stat span{font-size:12.5px;color:var(--muted);line-height:1.4;display:block;}
/* quiz panel */
.quiz-panel{
  background:linear-gradient(168deg,rgba(23,25,50,.94),rgba(14,14,30,.9));
  border:1px solid var(--line-volt);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow);
}
.quiz-panel .qp-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px;}
.quiz-panel .qp-head h2{font-size:15px;font-weight:700;margin:0;letter-spacing:.2px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;font-size:11px;font-weight:700;letter-spacing:.6px;
  text-transform:uppercase;padding:5px 10px;border-radius:999px;
  color:var(--volt);background:rgba(163,230,53,.1);border:1px solid var(--line-volt);
}
.quiz-q{font-size:13px;color:var(--muted2);margin:0 0 10px;}
.quiz-field{margin-bottom:14px;}
.quiz-field label{display:block;font-size:12.5px;color:var(--muted);margin-bottom:7px;font-weight:600;}
.quiz-field select{
  width:100%;appearance:none;background:rgba(7,7,13,.75);border:1px solid var(--line);
  border-radius:var(--radius-sm);padding:11px 12px;font-size:14px;color:#fff;
  background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);
  background-position:calc(100% - 18px) 18px,calc(100% - 13px) 18px;
  background-size:5px 5px,5px 5px;background-repeat:no-repeat;
}
.quiz-field select:focus{outline:none;border-color:var(--plasma);box-shadow:var(--glow-cyan);}
.quiz-preview{
  margin-top:6px;border:1px dashed var(--line-cyan);border-radius:var(--radius-sm);
  padding:14px;background:rgba(6,182,212,.06);
}
.quiz-preview b{font-size:13px;letter-spacing:.4px;color:var(--plasma);display:block;margin-bottom:8px;text-transform:uppercase;}
.quiz-bars{display:grid;gap:8px;}
.quiz-bar{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--muted2);}
.quiz-bar i{flex:1;height:8px;border-radius:99px;background:rgba(148,163,184,.16);position:relative;overflow:hidden;}
.quiz-bar i::after{content:"";position:absolute;left:0;top:0;bottom:0;border-radius:99px;background:linear-gradient(90deg,var(--volt),var(--plasma));width:var(--w,50%);}
/* board grid */
.board-panel{
  background:linear-gradient(168deg,rgba(23,25,50,.94),rgba(14,14,30,.9));
  border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);
}
.board-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:7px;margin:14px 0 12px;}
.board-cell{
  aspect-ratio:1/1;border-radius:var(--radius-xs);border:1px solid var(--line);
  background:rgba(7,7,13,.72);display:grid;place-items:center;
  font-family:'JetBrains Mono',monospace;font-size:12px;color:var(--muted);
}
.board-cell.safe{background:rgba(163,230,53,.14);border-color:var(--line-volt);color:var(--volt);font-weight:700;}
.board-cell.bomb{background:rgba(244,63,94,.14);border-color:rgba(244,63,94,.5);color:var(--laser);font-weight:700;}
.board-cell.risk{background:rgba(250,204,21,.09);border-color:rgba(250,204,21,.35);color:#FACC15;}
.board-legend{display:flex;flex-wrap:wrap;gap:14px;font-size:12px;color:var(--muted);}
.board-legend span{display:inline-flex;align-items:center;gap:6px;}
.dot{width:9px;height:9px;border-radius:3px;display:inline-block;}
.dot.g{background:var(--volt);}
.dot.r{background:var(--laser);}
.dot.y{background:#FACC15;}
/* ============ CARDS ============ */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;}
.card{
  background:linear-gradient(165deg,rgba(23,25,50,.86),rgba(14,14,30,.8));
  border:1px solid var(--line);border-radius:var(--radius);padding:24px;
  transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.card:hover{transform:translateY(-4px);border-color:var(--line-cyan);box-shadow:0 26px 50px -30px rgba(6,182,212,.55);}
.card-icon{
  width:44px;height:44px;border-radius:13px;display:grid;place-items:center;
  background:rgba(6,182,212,.12);border:1px solid var(--line-cyan);color:var(--plasma);
  font-size:18px;margin-bottom:16px;
}
.card-icon.v{background:rgba(163,230,53,.12);border-color:var(--line-volt);color:var(--volt);}
.card-icon.r{background:rgba(244,63,94,.1);border-color:rgba(244,63,94,.35);color:var(--laser);}
.card p{margin:0;color:var(--muted2);font-size:14.5px;line-height:1.7;}
.card ul{margin:12px 0 0;padding-left:18px;color:var(--muted2);font-size:14.5px;line-height:1.75;}
.card ul li{margin-bottom:6px;}
/* feature list */
.feature-row{display:grid;grid-template-columns:.9fr 1.1fr;gap:34px;align-items:center;}
.feature-media{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);position:relative;}
.feature-media img{width:100%;height:100%;object-fit:cover;}
.feature-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(7,7,13,.72));}
.tag-list{display:flex;flex-wrap:wrap;gap:9px;margin-top:16px;}
.tag{
  font-size:12.5px;font-weight:600;padding:6px 13px;border-radius:999px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--muted2);
}
.tag.hot{color:var(--volt);border-color:var(--line-volt);background:rgba(163,230,53,.09);}
/* steps */
.steps{display:grid;gap:0;counter-reset:st;}
.step{
  display:grid;grid-template-columns:56px 1fr;gap:20px;padding:22px 0;border-bottom:1px solid var(--line);
}
.step:last-child{border-bottom:0;}
.step-num{
  width:52px;height:52px;border-radius:16px;display:grid;place-items:center;
  font-family:'JetBrains Mono',monospace;font-weight:700;font-size:18px;color:var(--volt);
  background:rgba(163,230,53,.1);border:1px solid var(--line-volt);
}
.step h3{margin:0 0 7px;font-size:17px;font-weight:700;}
.step p{margin:0;color:var(--muted2);font-size:14.5px;line-height:1.7;}
/* scenario table-ish */
.scene-list{display:grid;gap:14px;}
.scene{
  display:grid;grid-template-columns:1.05fr 1fr 1fr;gap:18px;align-items:center;
  border:1px solid var(--line);border-radius:var(--radius-sm);padding:18px 20px;background:rgba(18,19,31,.66);
  transition:border-color .22s ease,background .22s ease;
}
.scene:hover{border-color:var(--line-cyan);background:rgba(23,25,50,.9);}
.scene b{font-size:15px;font-weight:700;display:block;margin-bottom:5px;}
.scene .sc-col{font-size:13.6px;color:var(--muted2);line-height:1.66;}
.scene .sc-col em{font-style:normal;color:var(--volt);font-weight:600;}
/* stat strip */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;
  border:1px solid var(--line);border-radius:var(--radius);padding:26px;
  background:linear-gradient(120deg,rgba(23,25,50,.9),rgba(14,14,30,.86));
}
.stat-strip .st b{display:block;font-family:'JetBrains Mono',monospace;font-size:26px;font-weight:700;color:var(--volt);letter-spacing:-.5px;}
.stat-strip .st span{font-size:13px;color:var(--muted);line-height:1.5;display:block;margin-top:4px;}
/* category entry */
.cat-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.cat-card{
  display:block;border:1px solid var(--line);border-radius:var(--radius);padding:24px;
  background:linear-gradient(165deg,rgba(23,25,50,.86),rgba(14,14,30,.8));
  transition:transform .24s ease,border-color .24s ease;
}
.cat-card:hover{transform:translateY(-4px);border-color:var(--line-volt);}
.cat-card .cc-tag{font-size:11.5px;font-weight:700;letter-spacing:1px;text-transform:uppercase;color:var(--plasma);}
.cat-card h3{margin:11px 0 8px;font-size:18px;font-weight:700;}
.cat-card p{margin:0 0 14px;color:var(--muted2);font-size:14.4px;line-height:1.68;}
.cat-more{font-size:13.6px;font-weight:600;color:var(--volt);display:inline-flex;align-items:center;gap:7px;}
/* article list */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.news-card{
  display:flex;flex-direction:column;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;background:rgba(18,19,31,.72);
  transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.news-card:hover{transform:translateY(-4px);border-color:var(--line-cyan);box-shadow:0 24px 46px -30px rgba(6,182,212,.6);}
.news-thumb{aspect-ratio:16/9;overflow:hidden;background:rgba(7,7,13,.7);}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.news-card:hover .news-thumb img{transform:scale(1.05);}
.news-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:9px;}
.news-meta{display:flex;flex-wrap:wrap;gap:10px;font-size:12px;color:var(--muted);}
.news-meta span{display:inline-flex;align-items:center;gap:6px;}
.news-body h3{margin:0;font-size:16px;font-weight:700;line-height:1.45;}
.news-body p{margin:0;font-size:13.8px;color:var(--muted2);line-height:1.66;}
.news-empty{color:var(--muted);font-size:14.5px;padding:24px;border:1px dashed var(--line);border-radius:var(--radius-sm);text-align:center;}
/* faq */
.faq-list{display:grid;gap:12px;}
.faq-item{border:1px solid var(--line);border-radius:var(--radius-sm);background:rgba(18,19,31,.7);overflow:hidden;}
.faq-item summary{
  cursor:pointer;list-style:none;padding:17px 20px;font-size:15.5px;font-weight:600;
  display:flex;align-items:center;justify-content:space-between;gap:14px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"+";font-size:20px;color:var(--volt);font-weight:700;line-height:1;}
.faq-item[open] summary::after{content:"–";}
.faq-item[open] summary{border-bottom:1px solid var(--line);}
.faq-item .faq-a{padding:15px 20px 19px;color:var(--muted2);font-size:14.5px;line-height:1.72;margin:0;}
/* cta */
.cta-band{
  border:1px solid var(--line-volt);border-radius:var(--radius);padding:38px;
  background:
    radial-gradient(600px 220px at 20% 0%, rgba(163,230,53,.16), transparent 62%),
    radial-gradient(520px 240px at 92% 100%, rgba(6,182,212,.16), transparent 60%),
    linear-gradient(150deg,rgba(23,25,50,.95),rgba(14,14,30,.9));
  display:grid;grid-template-columns:1.25fr .75fr;gap:30px;align-items:center;
}
.cta-band h2{margin:0 0 12px;font-size:clamp(22px,2.7vw,30px);font-weight:800;letter-spacing:-.5px;}
.cta-band p{margin:0 0 20px;color:var(--muted2);font-size:15px;line-height:1.7;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
.cta-side{border-left:1px solid var(--line);padding-left:26px;}
.cta-side ul{margin:0;padding:0;list-style:none;display:grid;gap:12px;}
.cta-side li{display:flex;gap:10px;font-size:14px;color:var(--muted2);line-height:1.6;}
.cta-side li i{color:var(--volt);margin-top:3px;}
/* footer */
.site-footer{
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(14,14,30,.92),rgba(7,7,13,.98));
  padding:56px 0 26px;margin-top:0;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px;}
.footer-brand .logo{display:flex;align-items:flex-start;gap:11px;margin-bottom:14px;}
.logo-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;flex-shrink:0;
  background:linear-gradient(140deg,var(--volt),var(--plasma));color:#05060c;font-size:16px;
}
.logo-text{font-weight:700;font-size:14.5px;line-height:1.42;}
.footer-brand p{color:var(--muted);font-size:13.8px;line-height:1.72;margin:0;max-width:420px;}
.footer-col h4{font-size:13px;letter-spacing:.9px;text-transform:uppercase;color:var(--volt);margin:0 0 14px;font-weight:700;}
.footer-col ul{list-style:none;margin:0;padding:0;display:grid;gap:9px;}
.footer-col a{color:var(--muted2);font-size:13.8px;}
.footer-col a:hover{color:var(--volt);}
.pay-badges{display:flex;flex-wrap:wrap;gap:8px;}
.pay-badges span{
  font-size:12px;font-weight:600;padding:6px 12px;border-radius:9px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--muted2);
}
.footer-bottom{
  margin-top:38px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center;
}
.footer-bottom p{margin:0;font-size:13px;color:var(--muted);}
.footer-domain{font-family:'JetBrains Mono',monospace;color:var(--muted);}
/* fab */
.fab{
  position:fixed;left:1rem;bottom:6rem;z-index:50;
  width:56px;height:56px;border-radius:999px;display:grid;place-items:center;
  background:rgba(7,7,13,.82);backdrop-filter:blur(10px);
  border:1px solid var(--line-volt);color:var(--volt);font-size:20px;
  box-shadow:0 0 20px rgba(163,230,53,.35);
  transition:transform .22s ease,box-shadow .22s ease,opacity .22s ease;
  text-decoration:none;
}
.fab:hover{transform:scale(1.1);box-shadow:0 0 28px rgba(163,230,53,.55);}
.fab:active{transform:scale(.95) translateY(2px);}
.fab .fab-dot{
  position:absolute;top:4px;right:4px;width:12px;height:12px;border-radius:999px;
  background:var(--laser);box-shadow:0 0 10px rgba(244,63,94,.9);animation:pulse 1.6s infinite;
}
@keyframes pulse{0%,100%{opacity:1;}50%{opacity:.35;}}
/* responsive */
@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:34px;}
  .feature-row{grid-template-columns:1fr;gap:24px;}
  .grid-3,.news-grid,.cat-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr));}
  .stat-strip{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-band{grid-template-columns:1fr;gap:24px;}
  .cta-side{border-left:0;padding-left:0;border-top:1px solid var(--line);padding-top:22px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .scene{grid-template-columns:1fr;gap:10px;}
}
@media (max-width:820px){
  .main-nav{
    position:fixed;top:68px;left:0;right:0;z-index:55;
    flex-direction:column;align-items:stretch;gap:4px;
    background:rgba(7,7,13,.98);border-bottom:1px solid var(--line);
    padding:14px 20px 20px;display:none;
  }
  .main-nav.open{display:flex;}
  .nav-link{padding:12px 14px;border-radius:12px;font-size:15px;}
  .nav-toggle{display:flex;}
  .header-inner{gap:12px;}
  .brand-text{font-size:13.5px;}
  .login-link{display:inline-flex;font-size:13.5px;}
  .btn-volt.btn-sm{padding:8px 15px;font-size:13.5px;}
}
@media (max-width:520px){
  .section{padding:54px 0;}
  .hero{padding:44px 0 54px;}
  .hero-stats{grid-template-columns:1fr;gap:12px;}
  .grid-3,.grid-2,.news-grid,.cat-grid,.grid-4{grid-template-columns:1fr;}
  .stat-strip{grid-template-columns:1fr;padding:20px;}
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .cta-band{padding:26px;}
  .brand-text em{font-size:10px;}
  .fab{left:.85rem;bottom:5.2rem;width:52px;height:52px;}
  .header-inner{height:62px;}
  .main-nav{top:62px;}
}

/* roulang page: category2 */
:root{
  --bg:#07070D;
  --bg2:#0E0E1E;
  --surface:#12131F;
  --surface2:#171932;
  --line:rgba(148,163,184,.16);
  --line-volt:rgba(163,230,53,.34);
  --line-cyan:rgba(6,182,212,.32);
  --text:#FFFFFF;
  --muted:#94A3B8;
  --muted2:#A7B0C0;
  --volt:#A3E635;
  --plasma:#06B6D4;
  --laser:#F43F5E;
  --amber:#F59E0B;
  --radius:18px;
  --radius-sm:12px;
  --radius-xs:9px;
  --shadow:0 22px 50px -26px rgba(0,0,0,.95);
  --glow-volt:0 0 18px rgba(163,230,53,.35);
  --glow-cyan:0 0 20px rgba(6,182,212,.4);
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:'Be Vietnam Pro',system-ui,-apple-system,sans-serif;
  background:
    radial-gradient(1200px 620px at 12% -8%, rgba(6,182,212,.14), transparent 62%),
    radial-gradient(900px 520px at 92% 4%, rgba(163,230,53,.10), transparent 60%),
    var(--bg);
  color:var(--text);
  line-height:1.65;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .22s ease,opacity .22s ease,border-color .22s ease,background .22s ease;}
ul{margin:0;padding:0;list-style:none;}
p{margin:0;}
button,input,textarea,select{font-family:inherit;font-size:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--volt);outline-offset:3px;border-radius:6px;}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
.mono{font-family:'JetBrains Mono',ui-monospace,monospace;}

/* ============ HEADER / NAV ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(7,7,13,.86);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:22px;height:68px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--volt),var(--plasma));
  color:#05060c;font-size:18px;font-weight:800;box-shadow:var(--glow-volt);
}
.brand-text{font-weight:700;font-size:15px;line-height:1.15;letter-spacing:.2px;}
.brand-text em{display:block;font-style:normal;font-size:11px;color:var(--volt);font-weight:600;letter-spacing:.6px;}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-link{
  padding:9px 14px;border-radius:999px;font-size:14px;font-weight:500;color:var(--muted2);
  border:1px solid transparent;white-space:nowrap;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.05);border-color:var(--line);}
.nav-link.active{color:#05060c;background:var(--volt);border-color:var(--volt);font-weight:700;box-shadow:var(--glow-volt);}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.login-link{font-size:14px;font-weight:600;color:var(--muted2);padding:8px 12px;border-radius:999px;border:1px solid transparent;}
.login-link:hover{color:var(--volt);border-color:var(--line-volt);}
.btn-volt{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:linear-gradient(120deg,var(--volt),#7CE0B0 55%,var(--plasma));
  color:#05060c;font-weight:700;border-radius:999px;
  padding:12px 24px;border:0;cursor:pointer;font-size:15px;
  box-shadow:0 0 18px rgba(163,230,53,.38);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.btn-volt:hover{transform:translateY(-2px);box-shadow:0 0 26px rgba(163,230,53,.55);filter:brightness(1.04);}
.btn-volt:active{transform:translateY(0) scale(.98);}
.btn-volt.btn-sm{padding:9px 18px;font-size:14px;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:transparent;color:#fff;font-weight:600;font-size:15px;
  border:1px solid var(--line-cyan);border-radius:999px;padding:11px 22px;cursor:pointer;
  transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.btn-ghost:hover{background:rgba(6,182,212,.12);border-color:var(--plasma);transform:translateY(-2px);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;background:rgba(255,255,255,.05);
  border:1px solid var(--line);align-items:center;justify-content:center;cursor:pointer;font-size:17px;
}

/* ============ SECTION BASE ============ */
.section{padding:76px 0;position:relative;}
.section-alt{
  background:linear-gradient(180deg,rgba(14,14,30,.82),rgba(7,7,13,.2));
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.sec-head{max-width:780px;margin-bottom:34px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:1.2px;text-transform:uppercase;
  color:var(--plasma);background:rgba(6,182,212,.1);
  border:1px solid var(--line-cyan);border-radius:999px;padding:6px 14px;margin-bottom:16px;
}
.eyebrow.volt{color:var(--volt);background:rgba(163,230,53,.08);border-color:var(--line-volt);}
h2.sec-title{
  font-size:clamp(22px,2.7vw,32px);line-height:1.28;font-weight:800;letter-spacing:-.4px;margin:0 0 14px;
}
.lead{color:var(--muted2);font-size:16px;line-height:1.7;margin:0;}
.text-muted{color:var(--muted);}

/* ============ HERO ============ */
.page-hero{
  position:relative;overflow:hidden;
  padding:52px 0 56px;
  border-bottom:1px solid var(--line);
}
.page-hero-bg{
  position:absolute;inset:0;z-index:0;
  background-image:linear-gradient(96deg,rgba(7,7,13,.97) 26%,rgba(7,7,13,.82) 62%,rgba(3,26,40,.78)),url('/assets/images/9d18d4636984ce5a.jpg');
  background-size:cover;background-position:center;
}
.page-hero::after{
  content:"";position:absolute;inset:0;z-index:0;
  background-image:linear-gradient(rgba(148,163,184,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(148,163,184,.06) 1px,transparent 1px);
  background-size:58px 58px;
  mask-image:radial-gradient(72% 72% at 26% 42%,#000,transparent);
}
.page-hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.2fr .85fr;gap:44px;align-items:center;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:16px;}
.crumbs a:hover{color:var(--volt);}
.crumbs span.sep{opacity:.5;}
.page-hero h1{
  font-size:clamp(26px,3.6vw,42px);line-height:1.2;font-weight:800;letter-spacing:-.6px;margin:14px 0 16px;
  background:linear-gradient(96deg,#FFFFFF 26%,var(--volt) 64%,var(--plasma));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.page-hero .hero-lead{color:var(--muted2);font-size:16.5px;line-height:1.7;max-width:640px;margin-bottom:24px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;}
.hero-metrics{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;
  margin-top:32px;padding-top:22px;border-top:1px solid var(--line);
}
.hero-metric b{display:block;font-size:21px;font-weight:800;letter-spacing:-.4px;color:var(--volt);}
.hero-metric span{font-size:12.5px;color:var(--muted);display:block;line-height:1.4;}

/* ============ MAP PANEL ============ */
.map-panel{
  background:linear-gradient(165deg,rgba(23,25,50,.92),rgba(11,12,24,.94));
  border:1px solid var(--line-cyan);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow);
}
.map-panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px;}
.map-panel-head h3{margin:0;font-size:14px;font-weight:700;letter-spacing:.4px;}
.ping{display:inline-flex;align-items:center;gap:7px;font-size:11.5px;color:var(--volt);font-weight:600;}
.ping i{width:7px;height:7px;border-radius:50%;background:var(--volt);box-shadow:var(--glow-volt);animation:pulse 1.6s infinite;}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.35;transform:scale(1.35);}}
.mine-map{display:grid;grid-template-columns:repeat(5,1fr);gap:7px;}
.cell{
  aspect-ratio:1/1;border-radius:8px;display:grid;place-items:center;
  font-size:11px;font-weight:700;border:1px solid var(--line);
  background:rgba(148,163,184,.07);
}
.cell.safe{background:rgba(6,182,212,.14);border-color:var(--line-cyan);color:#67E8F9;}
.cell.warn{background:rgba(245,158,11,.14);border-color:rgba(245,158,11,.35);color:#FCD34D;}
.cell.flagged{background:rgba(244,63,94,.16);border-color:rgba(244,63,94,.45);color:#FDA4AF;}
.cell.boom{background:linear-gradient(140deg,rgba(244,63,94,.4),rgba(120,10,30,.6));border-color:rgba(244,63,94,.6);color:#fff;}
.map-legend{display:flex;flex-wrap:wrap;gap:14px;margin-top:16px;font-size:12px;color:var(--muted);}
.map-legend i{width:9px;height:9px;border-radius:3px;display:inline-block;margin-right:6px;vertical-align:middle;}
.lg-safe{background:#06B6D4;}
.lg-warn{background:#F59E0B;}
.lg-flag{background:#F43F5E;}

/* ============ SIGNAL LIST ============ */
.signal-wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:40px;align-items:start;}
.signal-media{
  border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow);position:relative;
}
.signal-media img{width:100%;height:100%;object-fit:cover;min-height:280px;opacity:.9;}
.signal-media figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:16px 18px;font-size:13px;color:#E2E8F0;
  background:linear-gradient(180deg,transparent,rgba(7,7,13,.94));
}
.signal-list{display:grid;gap:14px;}
.signal-item{
  display:grid;grid-template-columns:auto 1fr;gap:16px;
  padding:18px 20px;border:1px solid var(--line);border-radius:var(--radius-sm);
  background:linear-gradient(160deg,rgba(23,25,50,.55),rgba(11,12,24,.5));
  transition:border-color .22s ease,transform .22s ease;
}
.signal-item:hover{border-color:var(--line-volt);transform:translateX(4px);}
.signal-num{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  font-family:'JetBrains Mono',monospace;font-size:13px;font-weight:700;
  background:rgba(163,230,53,.12);border:1px solid var(--line-volt);color:var(--volt);
}
.signal-item h3{margin:0 0 6px;font-size:16px;font-weight:700;letter-spacing:-.2px;}
.signal-item p{font-size:14.5px;color:var(--muted2);line-height:1.65;margin:0;}

/* ============ LAYERS ============ */
.layer-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.layer{
  position:relative;padding:26px 22px 24px;border-radius:var(--radius);
  border:1px solid var(--line);
  background:linear-gradient(168deg,rgba(23,25,50,.75),rgba(9,10,20,.85));
  transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.layer:hover{transform:translateY(-5px);border-color:var(--line-cyan);box-shadow:0 0 24px rgba(6,182,212,.22);}
.layer-tag{
  position:absolute;top:-12px;left:20px;font-size:11px;font-weight:800;letter-spacing:1px;
  padding:5px 12px;border-radius:999px;text-transform:uppercase;
  background:linear-gradient(120deg,var(--volt),var(--plasma));color:#05060c;
}
.layer h3{margin:12px 0 10px;font-size:18px;font-weight:700;letter-spacing:-.3px;}
.layer p{font-size:14.5px;color:var(--muted2);line-height:1.68;}
.layer ul{margin-top:14px;display:grid;gap:8px;}
.layer li{font-size:13.5px;color:var(--muted);padding-left:18px;position:relative;}
.layer li::before{content:"";position:absolute;left:0;top:8px;width:6px;height:6px;border-radius:2px;background:var(--plasma);}

/* ============ PROCESS ============ */
.steps{display:grid;gap:0;border-left:1px solid var(--line);margin-left:14px;}
.step{position:relative;padding:0 0 30px 30px;}
.step:last-child{padding-bottom:0;}
.step::before{
  content:"";position:absolute;left:-8px;top:6px;width:15px;height:15px;border-radius:50%;
  background:var(--bg);border:2px solid var(--plasma);box-shadow:0 0 12px rgba(6,182,212,.55);
}
.step h3{margin:0 0 7px;font-size:16.5px;font-weight:700;}
.step p{margin:0;font-size:14.5px;color:var(--muted2);line-height:1.66;}
.step .step-index{font-family:'JetBrains Mono',monospace;font-size:12px;color:var(--volt);letter-spacing:1px;display:block;margin-bottom:4px;}

/* ============ SCENARIO CARDS ============ */
.scene-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
.scene{
  padding:22px;border-radius:var(--radius-sm);border:1px solid var(--line);
  background:rgba(18,19,31,.72);
  display:grid;gap:10px;
  transition:border-color .22s ease,background .22s ease;
}
.scene:hover{border-color:var(--line-volt);background:rgba(23,25,50,.85);}
.scene i.scene-ico{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;font-size:16px;
  background:rgba(6,182,212,.12);color:var(--plasma);border:1px solid var(--line-cyan);
}
.scene h3{margin:0;font-size:16px;font-weight:700;}
.scene p{margin:0;font-size:14.5px;color:var(--muted2);line-height:1.66;}

/* ============ TABLE ============ */
.tbl-wrap{
  overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);
  background:rgba(11,12,24,.7);
}
table.odds{width:100%;border-collapse:collapse;min-width:620px;}
table.odds caption{
  caption-side:top;text-align:left;padding:18px 22px 12px;font-size:14px;color:var(--muted);
}
table.odds th{
  text-align:left;font-size:12px;letter-spacing:.9px;text-transform:uppercase;color:var(--volt);
  padding:14px 22px;border-bottom:1px solid var(--line);font-weight:700;white-space:nowrap;
}
table.odds td{
  padding:15px 22px;font-size:14.5px;color:var(--muted2);border-bottom:1px solid rgba(148,163,184,.08);
}
table.odds tbody tr:last-child td{border-bottom:0;}
table.odds tbody tr:hover td{background:rgba(6,182,212,.06);color:#E2E8F0;}
table.odds td strong{color:#fff;font-weight:600;}
.badge-rate{
  display:inline-block;font-family:'JetBrains Mono',monospace;font-size:12.5px;font-weight:700;
  padding:3px 10px;border-radius:999px;border:1px solid var(--line-cyan);color:#67E8F9;
}

/* ============ POSTS ============ */
.posts{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.post-card{
  display:flex;flex-direction:column;gap:12px;padding:22px;border-radius:var(--radius-sm);
  border:1px solid var(--line);background:linear-gradient(168deg,rgba(23,25,50,.6),rgba(11,12,24,.6));
  transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.post-card:hover{transform:translateY(-5px);border-color:var(--line-volt);box-shadow:0 0 22px rgba(163,230,53,.16);}
.post-title{margin:0;font-size:16.5px;font-weight:700;line-height:1.45;letter-spacing:-.2px;}
.post-card:hover .post-title{color:var(--volt);}
.post-excerpt{margin:0;font-size:14px;color:var(--muted2);line-height:1.65;}
.post-meta{display:flex;flex-wrap:wrap;gap:12px;font-size:12px;color:var(--muted);margin-top:auto;padding-top:10px;border-top:1px solid rgba(148,163,184,.1);}
.post-meta span{display:inline-flex;align-items:center;gap:6px;}
.empty-note{
  padding:26px;border-radius:var(--radius-sm);border:1px dashed var(--line);
  color:var(--muted);font-size:14.5px;text-align:left;background:rgba(11,12,24,.5);
}

/* ============ FAQ ============ */
.faq{display:grid;gap:12px;max-width:900px;}
.faq details{
  border:1px solid var(--line);border-radius:var(--radius-sm);
  background:rgba(18,19,31,.7);overflow:hidden;transition:border-color .22s ease;
}
.faq details[open]{border-color:var(--line-cyan);background:rgba(23,25,50,.75);}
.faq summary{
  cursor:pointer;list-style:none;padding:17px 20px;font-size:15.5px;font-weight:600;
  display:flex;align-items:center;justify-content:space-between;gap:14px;
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{
  content:"+";font-size:20px;font-weight:400;color:var(--volt);line-height:1;flex-shrink:0;
  transition:transform .22s ease;
}
.faq details[open] summary::after{transform:rotate(45deg);}
.faq summary:hover{color:var(--volt);}
.faq .faq-body{padding:0 20px 18px;font-size:14.5px;color:var(--muted2);line-height:1.7;}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:22px;border:1px solid var(--line-volt);
  padding:44px 40px;
  background:
    linear-gradient(120deg,rgba(163,230,53,.12),rgba(6,182,212,.14) 55%,rgba(7,7,13,.2)),
    rgba(11,12,24,.9);
  display:grid;grid-template-columns:1.3fr .7fr;gap:32px;align-items:center;
}
.cta-band h2{font-size:clamp(21px,2.4vw,29px);font-weight:800;letter-spacing:-.4px;margin:0 0 12px;line-height:1.3;}
.cta-band p{color:var(--muted2);font-size:15.5px;line-height:1.7;margin:0;}
.cta-actions{display:flex;flex-direction:column;gap:12px;}
.pay-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.pay-row span{
  font-size:12px;font-weight:600;padding:6px 12px;border-radius:999px;
  border:1px solid var(--line);color:var(--muted2);background:rgba(255,255,255,.04);
}

/* ============ FAB ============ */
.fab-neon{
  position:fixed;left:1rem;bottom:6rem;z-index:50;
  width:56px;height:56px;border-radius:999px;
  display:grid;place-items:center;font-size:19px;color:#fff;
  background:rgba(7,7,13,.82);backdrop-filter:blur(10px);
  border:2px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.86),rgba(7,7,13,.86)),
                   linear-gradient(135deg,var(--volt),var(--plasma));
  background-origin:border-box;background-clip:padding-box,border-box;
  box-shadow:0 0 20px rgba(6,182,212,.45);
  opacity:.78;
  transition:opacity .22s ease,transform .22s ease,box-shadow .22s ease;
}
.fab-neon:hover{opacity:1;transform:scale(1.08);box-shadow:0 0 30px rgba(163,230,53,.55);}
.fab-neon:active{transform:scale(.94);}
.fab-neon .fab-dot{
  position:absolute;top:8px;right:9px;width:9px;height:9px;border-radius:50%;
  background:var(--laser);box-shadow:0 0 10px rgba(244,63,94,.9);
  animation:pulse 1.3s infinite;
}

/* ============ FOOTER ============ */
.site-footer{
  border-top:1px solid var(--line);margin-top:20px;
  background:linear-gradient(180deg,rgba(14,14,30,.7),rgba(5,5,10,.98));
  padding:56px 0 26px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px;}
.footer-brand .logo{display:flex;align-items:flex-start;gap:11px;margin-bottom:14px;}
.logo-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;flex-shrink:0;
  background:linear-gradient(140deg,var(--volt),var(--plasma));color:#05060c;font-size:16px;
}
.logo-text{font-size:14.5px;font-weight:700;line-height:1.4;letter-spacing:-.1px;}
.footer-brand p{font-size:14px;color:var(--muted);line-height:1.7;max-width:400px;}
.footer-col h4{font-size:13px;font-weight:700;letter-spacing:.8px;text-transform:uppercase;color:#fff;margin:0 0 14px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:14px;color:var(--muted2);}
.footer-col a:hover{color:var(--volt);}
.pay-badges{display:flex;flex-wrap:wrap;gap:8px;}
.pay-badges span{
  font-size:12px;font-weight:600;padding:6px 12px;border-radius:9px;
  border:1px solid var(--line-cyan);color:#67E8F9;background:rgba(6,182,212,.07);
}
.footer-bottom{
  margin-top:38px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
}
.footer-bottom p{font-size:13px;color:var(--muted);}
.footer-domain{font-family:'JetBrains Mono',monospace;font-size:12.5px;color:var(--muted);letter-spacing:.5px;}

/* ============ RESPONSIVE ============ */
@media (max-width:1024px){
  .page-hero-inner{grid-template-columns:1fr;gap:32px;}
  .signal-wrap{grid-template-columns:1fr;gap:28px;}
  .layer-grid{grid-template-columns:1fr 1fr;}
  .posts{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .cta-band{grid-template-columns:1fr;padding:34px 26px;}
}
@media (max-width:860px){
  .main-nav{
    position:absolute;top:68px;left:0;right:0;flex-direction:column;align-items:stretch;
    gap:4px;padding:14px;background:rgba(7,7,13,.98);border-bottom:1px solid var(--line);
    display:none;
  }
  .main-nav.open{display:flex;}
  .nav-link{border-radius:12px;padding:12px 14px;}
  .nav-toggle{display:flex;}
  .header-inner{gap:12px;}
  .brand-text{font-size:13.5px;}
  .hero-metrics{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
  .scene-grid{grid-template-columns:1fr;}
  .layer-grid{grid-template-columns:1fr;}
  .posts{grid-template-columns:1fr;}
  .section{padding:58px 0;}
}
@media (max-width:520px){
  .container-x{padding:0 16px;}
  .page-hero{padding:36px 0 44px;}
  .page-hero h1{font-size:23px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .btn-volt,.btn-ghost{width:100%;}
  .map-panel{padding:16px;}
  .mine-map{gap:5px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .fab-neon{bottom:5.5rem;width:52px;height:52px;}
}

/* roulang page: category3 */
:root{
  --bg:#07070D;
  --bg2:#0E0E1E;
  --surface:#12131F;
  --surface2:#171932;
  --line:rgba(148,163,184,.16);
  --line-volt:rgba(163,230,53,.34);
  --line-cyan:rgba(6,182,212,.32);
  --text:#FFFFFF;
  --muted:#94A3B8;
  --muted2:#A7B0C0;
  --volt:#A3E635;
  --plasma:#06B6D4;
  --laser:#F43F5E;
  --radius:18px;
  --radius-sm:12px;
  --radius-xs:9px;
  --shadow:0 22px 50px -26px rgba(0,0,0,.95);
  --glow-volt:0 0 18px rgba(163,230,53,.35);
  --glow-cyan:0 0 20px rgba(6,182,212,.4);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:'Be Vietnam Pro',system-ui,sans-serif;
  background:
    radial-gradient(1200px 620px at 12% -8%, rgba(6,182,212,.14), transparent 62%),
    radial-gradient(900px 520px at 92% 4%, rgba(163,230,53,.10), transparent 60%),
    var(--bg);
  color:var(--text);
  line-height:1.65;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .22s ease,opacity .22s ease;}
button,input,textarea,select{font-family:inherit;font-size:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;letter-spacing:-.3px;}
p{margin:0 0 14px;}
ul{margin:0;padding:0;list-style:none;}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--volt);outline-offset:3px;border-radius:6px;}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
.mono{font-family:'JetBrains Mono',monospace;}
/* ============ HEADER / NAV ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(7,7,13,.86);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:22px;height:68px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--volt),var(--plasma));
  color:#05060c;font-size:18px;font-weight:800;box-shadow:var(--glow-volt);
}
.brand-text{font-weight:700;font-size:15px;line-height:1.15;letter-spacing:.2px;}
.brand-text em{display:block;font-style:normal;font-size:11px;color:var(--volt);font-weight:600;letter-spacing:.6px;}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-link{
  padding:9px 14px;border-radius:999px;font-size:14px;font-weight:500;color:var(--muted2);
  border:1px solid transparent;white-space:nowrap;
}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.05);border-color:var(--line);}
.nav-link.active{color:#05060c;background:var(--volt);border-color:var(--volt);font-weight:700;box-shadow:var(--glow-volt);}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.btn-volt{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:linear-gradient(120deg,var(--volt),#7CE0B0 55%,var(--plasma));
  color:#05060c;font-weight:700;border-radius:999px;
  padding:12px 24px;border:0;cursor:pointer;font-size:15px;
  box-shadow:0 0 18px rgba(163,230,53,.38);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.btn-volt:hover{transform:translateY(-2px);box-shadow:0 0 26px rgba(163,230,53,.55);filter:brightness(1.04);}
.btn-volt:active{transform:translateY(0) scale(.98);}
.btn-volt.btn-sm{padding:9px 18px;font-size:14px;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:transparent;color:#fff;font-weight:600;font-size:15px;
  border:1px solid var(--line-cyan);border-radius:999px;padding:11px 22px;cursor:pointer;
  transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.btn-ghost:hover{background:rgba(6,182,212,.12);border-color:var(--plasma);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0) scale(.98);}
.login-link{font-size:14px;color:var(--muted2);padding:8px 10px;border-radius:999px;border:1px solid transparent;}
.login-link:hover{color:var(--volt);border-color:var(--line-volt);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;background:rgba(255,255,255,.05);
  border:1px solid var(--line);align-items:center;justify-content:center;cursor:pointer;font-size:17px;
}
/* ============ SECTIONS ============ */
.section{padding:76px 0;position:relative;}
.section-alt{background:linear-gradient(180deg,rgba(14,14,30,.82),rgba(7,7,13,.2));border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:820px;margin-bottom:34px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:1.2px;text-transform:uppercase;
  color:var(--plasma);background:rgba(6,182,212,.1);
  border:1px solid var(--line-cyan);border-radius:999px;padding:6px 14px;margin-bottom:16px;
}
.section h2{font-size:clamp(22px,3vw,34px);font-weight:800;line-height:1.25;margin-bottom:14px;}
.lead{color:var(--muted2);font-size:16px;line-height:1.7;margin:0;}
.text-muted{color:var(--muted);}
.divider{height:1px;background:var(--line);margin:34px 0;}
/* ============ HERO (category) ============ */
.cat-hero{
  position:relative;overflow:hidden;padding:58px 0 66px;border-bottom:1px solid var(--line);
}
.cat-hero-bg{
  position:absolute;inset:0;z-index:0;
  background-image:linear-gradient(98deg,rgba(7,7,13,.97) 26%,rgba(7,7,13,.78) 62%,rgba(6,24,44,.72)),url('/assets/images/9d18d4636984ce5a.jpg');
  background-size:cover;background-position:center;opacity:.6;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;z-index:0;
  background-image:linear-gradient(rgba(148,163,184,.055) 1px,transparent 1px),linear-gradient(90deg,rgba(148,163,184,.055) 1px,transparent 1px);
  background-size:58px 58px;
  mask-image:radial-gradient(72% 70% at 28% 42%,#000,transparent);
}
.cat-hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.2fr .95fr;gap:42px;align-items:start;}
.cat-hero h1{
  font-size:clamp(26px,3.7vw,42px);line-height:1.2;font-weight:800;letter-spacing:-.6px;margin:14px 0 16px;
  background:linear-gradient(96deg,#FFFFFF 26%,var(--volt) 64%,var(--plasma));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.cat-hero-sub{color:var(--muted2);font-size:16.5px;line-height:1.7;max-width:620px;margin:0 0 22px;}
.check-strip{display:grid;gap:10px;margin:0 0 26px;max-width:600px;}
.check-item{
  display:flex;align-items:flex-start;gap:11px;
  background:rgba(18,19,31,.68);border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:11px 14px;font-size:14.5px;color:var(--muted2);line-height:1.5;
}
.check-item i{color:var(--volt);font-size:13px;margin-top:4px;flex-shrink:0;}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;}
.trust-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.trust-pill{
  display:inline-flex;align-items:center;gap:7px;font-size:12.5px;color:var(--muted2);
  border:1px solid var(--line);border-radius:999px;padding:6px 13px;background:rgba(255,255,255,.03);
}
.trust-pill i{color:var(--plasma);}
/* allocation panel */
.alloc-panel{
  background:linear-gradient(168deg,rgba(23,25,50,.92),rgba(10,10,22,.94));
  border:1px solid var(--line-volt);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);
}
.alloc-panel h3{font-size:15px;text-transform:uppercase;letter-spacing:1px;color:var(--volt);margin-bottom:6px;}
.alloc-panel .alloc-note{font-size:13px;color:var(--muted);margin-bottom:18px;line-height:1.5;}
.alloc-row{margin-bottom:15px;}
.alloc-top{display:flex;justify-content:space-between;align-items:baseline;gap:10px;font-size:13.5px;margin-bottom:6px;}
.alloc-top b{font-weight:600;color:#fff;}
.alloc-top span{font-family:'JetBrains Mono',monospace;color:var(--volt);font-size:13px;}
.alloc-bar{height:8px;border-radius:999px;background:rgba(148,163,184,.14);overflow:hidden;}
.alloc-bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--plasma),var(--volt));}
.alloc-foot{
  margin-top:20px;padding-top:16px;border-top:1px dashed var(--line);
  font-size:13px;color:var(--muted2);display:flex;justify-content:space-between;gap:12px;
}
.alloc-foot span{font-family:'JetBrains Mono',monospace;color:#fff;}
/* ============ CARDS ============ */
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}
.card{
  background:linear-gradient(168deg,rgba(23,25,50,.86),rgba(12,12,24,.9));
  border:1px solid var(--line);border-radius:var(--radius);padding:24px;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.card:hover{transform:translateY(-4px);border-color:var(--line-volt);box-shadow:0 18px 40px -24px rgba(163,230,53,.4);}
.card h3{font-size:18px;font-weight:700;margin-bottom:10px;}
.card p{font-size:14.5px;color:var(--muted2);line-height:1.68;margin:0;}
.card-icon{
  width:44px;height:44px;border-radius:13px;display:grid;place-items:center;margin-bottom:16px;
  background:rgba(163,230,53,.1);border:1px solid var(--line-volt);color:var(--volt);font-size:17px;
}
.card-icon.cyan{background:rgba(6,182,212,.1);border-color:var(--line-cyan);color:var(--plasma);}
.card-icon.rose{background:rgba(244,63,94,.1);border-color:rgba(244,63,94,.32);color:var(--laser);}
.card-list{margin-top:14px;display:grid;gap:8px;}
.card-list li{display:flex;gap:9px;font-size:14px;color:var(--muted2);line-height:1.55;}
.card-list li i{color:var(--volt);font-size:12px;margin-top:5px;flex-shrink:0;}
.tier-tag{
  display:inline-block;font-size:11.5px;font-weight:700;letter-spacing:.8px;text-transform:uppercase;
  color:#05060c;background:var(--volt);border-radius:999px;padding:3px 11px;margin-bottom:14px;
}
.tier-tag.cyan{background:var(--plasma);}
.tier-tag.rose{background:var(--laser);color:#fff;}
.tier-tag.muted{background:rgba(148,163,184,.22);color:#E2E8F0;}
/* ============ SPLIT BLOCK ============ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;}
.split-media{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);}
.split-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;}
/* ============ TABLE ============ */
.table-wrap{
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:rgba(12,12,24,.7);
}
table{width:100%;border-collapse:collapse;font-size:14.5px;}
thead th{
  text-align:left;padding:15px 18px;font-size:12.5px;letter-spacing:.9px;text-transform:uppercase;
  color:var(--volt);background:rgba(163,230,53,.06);border-bottom:1px solid var(--line-volt);font-weight:700;
}
tbody td{padding:14px 18px;border-bottom:1px solid var(--line);color:var(--muted2);}
tbody tr:last-child td{border-bottom:0;}
tbody tr:hover td{background:rgba(255,255,255,.025);color:#fff;}
td.mono,th.mono{font-family:'JetBrains Mono',monospace;color:#fff;}
.table-hint{font-size:13px;color:var(--muted);margin-top:12px;line-height:1.6;}
/* ============ TIMELINE ============ */
.timeline{display:grid;gap:16px;border-left:2px solid var(--line-cyan);padding-left:26px;margin-top:8px;}
.tl-item{position:relative;}
.tl-item::before{
  content:"";position:absolute;left:-33px;top:8px;width:12px;height:12px;border-radius:50%;
  background:var(--volt);box-shadow:0 0 12px rgba(163,230,53,.7);border:2px solid var(--bg);
}
.tl-item h3{font-size:16.5px;font-weight:700;margin-bottom:6px;}
.tl-item p{font-size:14.5px;color:var(--muted2);margin:0;line-height:1.65;}
.tl-gain{font-family:'JetBrains Mono',monospace;color:var(--plasma);font-size:13px;display:inline-block;margin-bottom:5px;}
/* ============ SCENARIO ROWS ============ */
.scenario{
  display:grid;grid-template-columns:64px 1fr;gap:18px;align-items:start;
  border:1px solid var(--line);border-radius:var(--radius);padding:22px;background:rgba(14,14,30,.55);
  transition:border-color .25s ease,background .25s ease;
}
.scenario:hover{border-color:var(--line-cyan);background:rgba(16,20,38,.75);}
.scenario-num{
  width:56px;height:56px;border-radius:15px;display:grid;place-items:center;
  font-family:'JetBrains Mono',monospace;font-size:18px;font-weight:700;color:#05060c;
  background:linear-gradient(140deg,var(--volt),var(--plasma));
}
.scenario h3{font-size:17.5px;margin-bottom:8px;}
.scenario p{font-size:14.5px;color:var(--muted2);margin:0;line-height:1.68;}
.scenario .actions-tip{
  margin-top:12px;font-size:13.5px;color:var(--volt);border-left:2px solid var(--line-volt);padding-left:12px;line-height:1.6;
}
/* ============ CHECKLIST BLOCK ============ */
.check-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;}
.check-card{
  display:flex;gap:12px;align-items:flex-start;background:rgba(18,19,31,.7);
  border:1px solid var(--line);border-radius:var(--radius-sm);padding:15px 17px;
}
.check-card i{color:var(--plasma);font-size:15px;margin-top:3px;}
.check-card b{display:block;font-size:14.5px;font-weight:600;margin-bottom:3px;}
.check-card span{font-size:13.5px;color:var(--muted2);line-height:1.55;}
/* ============ CHANNEL MATRIX ============ */
.channel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.channel{
  display:block;border:1px solid var(--line);border-radius:var(--radius);padding:24px;
  background:linear-gradient(168deg,rgba(23,25,50,.72),rgba(10,10,22,.9));
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.channel:hover{transform:translateY(-4px);border-color:var(--line-volt);box-shadow:0 20px 42px -26px rgba(163,230,53,.45);}
.channel small{font-family:'JetBrains Mono',monospace;font-size:12px;color:var(--plasma);letter-spacing:1px;}
.channel h3{font-size:17.5px;margin:10px 0 8px;}
.channel p{font-size:14px;color:var(--muted2);margin:0 0 14px;line-height:1.65;}
.channel .go{font-size:13.5px;color:var(--volt);font-weight:600;display:inline-flex;align-items:center;gap:7px;}
/* ============ POSTS ============ */
.post-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.post-card{
  display:flex;flex-direction:column;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  background:linear-gradient(168deg,rgba(23,25,50,.8),rgba(10,10,22,.92));
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.post-card:hover{transform:translateY(-4px);border-color:var(--line-cyan);box-shadow:0 20px 44px -26px rgba(6,182,212,.45);}
.post-thumb{aspect-ratio:16/9;overflow:hidden;background:rgba(148,163,184,.08);}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.post-card:hover .post-thumb img{transform:scale(1.05);}
.post-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:9px;flex:1;}
.post-meta{display:flex;flex-wrap:wrap;gap:10px;font-size:12px;color:var(--muted);}
.post-meta .tag{color:var(--volt);text-transform:uppercase;letter-spacing:.8px;font-weight:700;}
.post-body h3{font-size:16.5px;line-height:1.45;font-weight:700;}
.post-body p{font-size:14px;color:var(--muted2);margin:0;line-height:1.6;}
.post-body .read{margin-top:auto;font-size:13.5px;color:var(--plasma);font-weight:600;display:inline-flex;gap:7px;align-items:center;}
.empty-note{
  border:1px dashed var(--line);border-radius:var(--radius);padding:28px;color:var(--muted);
  font-size:14.5px;text-align:left;background:rgba(18,19,31,.5);
}
/* ============ FAQ ============ */
.faq{display:grid;gap:12px;max-width:940px;}
.faq details{
  border:1px solid var(--line);border-radius:var(--radius-sm);background:rgba(18,19,31,.62);
  padding:0;overflow:hidden;transition:border-color .25s ease,background .25s ease;
}
.faq details[open]{border-color:var(--line-volt);background:rgba(20,24,44,.78);}
.faq summary{
  cursor:pointer;list-style:none;padding:17px 20px;font-size:15.5px;font-weight:600;
  display:flex;justify-content:space-between;gap:16px;align-items:center;
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{content:"+";color:var(--volt);font-size:19px;font-weight:700;flex-shrink:0;}
.faq details[open] summary::after{content:"–";}
.faq .faq-body{padding:0 20px 18px;font-size:14.5px;color:var(--muted2);line-height:1.7;}
/* ============ CTA ============ */
.cta-band{
  border:1px solid var(--line-volt);border-radius:var(--radius);padding:34px;
  background:
    radial-gradient(600px 300px at 12% 0%, rgba(163,230,53,.14), transparent 62%),
    linear-gradient(160deg,rgba(20,24,44,.94),rgba(9,9,18,.96));
  display:grid;grid-template-columns:1.1fr .9fr;gap:30px;align-items:center;
}
.cta-band h2{font-size:clamp(20px,2.6vw,30px);margin-bottom:12px;}
.cta-band p{color:var(--muted2);font-size:15px;margin:0 0 20px;line-height:1.65;}
.cta-form{display:flex;gap:10px;flex-wrap:wrap;}
.cta-form input{
  flex:1 1 220px;min-width:0;background:rgba(7,7,13,.8);border:1px solid var(--line);
  border-radius:999px;padding:13px 18px;font-size:14.5px;color:#fff;
}
.cta-form input::placeholder{color:var(--muted);}
.cta-form input:focus{border-color:var(--volt);}
.pay-badges{display:flex;flex-wrap:wrap;gap:8px;}
.pay-badges span{
  font-size:12.5px;font-weight:600;letter-spacing:.4px;color:#E2E8F0;
  border:1px solid var(--line);border-radius:8px;padding:6px 12px;background:rgba(255,255,255,.04);
}
/* ============ FAB ============ */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  display:inline-flex;align-items:center;gap:10px;
  padding:13px 18px;border-radius:999px;
  background:rgba(7,7,13,.8);backdrop-filter:blur(10px);
  border:1px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.86),rgba(7,7,13,.86)),linear-gradient(120deg,var(--volt),var(--plasma));
  background-origin:border-box;background-clip:padding-box,border-box;
  box-shadow:0 0 20px rgba(6,182,212,.45);opacity:.78;
  font-size:13.5px;font-weight:700;color:#fff;
  transition:opacity .25s ease,transform .25s ease,box-shadow .25s ease;
  animation:fabPulse 3.4s ease-in-out infinite;
}
.fab i{color:var(--volt);font-size:16px;}
.fab:hover{opacity:1;transform:translateY(-3px) scale(1.03);box-shadow:0 0 30px rgba(163,230,53,.55);}
.fab:active{transform:scale(.96) translateY(0);}
.fab .dot{
  position:absolute;top:-3px;right:-3px;width:11px;height:11px;border-radius:50%;
  background:var(--laser);box-shadow:0 0 10px rgba(244,63,94,.9);
}
@keyframes fabPulse{0%,100%{opacity:.78;}50%{opacity:.95;}}
/* ============ FOOTER ============ */
.site-footer{border-top:1px solid var(--line);background:linear-gradient(180deg,rgba(14,14,30,.9),rgba(5,5,10,.98));padding:56px 0 26px;margin-top:8px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px;}
.footer-brand p{font-size:14px;color:var(--muted2);line-height:1.7;margin-top:14px;max-width:420px;}
.logo{display:flex;align-items:flex-start;gap:11px;}
.logo-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;flex-shrink:0;
  background:linear-gradient(140deg,var(--volt),var(--plasma));color:#05060c;font-size:16px;
}
.logo-text{font-size:15px;font-weight:700;line-height:1.35;letter-spacing:.1px;}
.footer-col h4{font-size:13px;text-transform:uppercase;letter-spacing:1.1px;color:var(--volt);margin-bottom:16px;font-weight:700;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:14px;color:var(--muted2);}
.footer-col a:hover{color:var(--volt);}
.footer-bottom{
  margin-top:38px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
}
.footer-bottom p{font-size:13px;color:var(--muted);margin:0;}
.footer-domain{font-family:'JetBrains Mono',monospace;color:var(--muted2);}
/* ============ RESPONSIVE ============ */
@media (max-width:1024px){
  .cat-hero-inner,.hero-inner{grid-template-columns:1fr;gap:32px;}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr));}
  .channel-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .post-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-band{grid-template-columns:1fr;}
  .split{grid-template-columns:1fr;gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:900px){
  .main-nav{
    position:absolute;top:68px;left:0;right:0;flex-direction:column;align-items:stretch;gap:4px;
    background:rgba(7,7,13,.98);border-bottom:1px solid var(--line);padding:14px 20px 18px;
    display:none;
  }
  .main-nav.open{display:flex;}
  .nav-link{margin-left:0;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .header-inner{gap:12px;}
  .brand-text{font-size:13.5px;}
  .login-link{padding:8px 6px;font-size:13px;}
  .btn-volt.btn-sm{padding:8px 14px;font-size:13px;}
}
@media (max-width:768px){
  .section{padding:56px 0;}
  .grid-3,.grid-2,.check-grid,.channel-grid,.post-grid{grid-template-columns:1fr;}
  .grid-4{grid-template-columns:1fr;}
  .scenario{grid-template-columns:48px 1fr;gap:14px;padding:18px;}
  .scenario-num{width:44px;height:44px;font-size:15px;border-radius:12px;}
  table{font-size:13.5px;}
  thead th,tbody td{padding:12px 13px;}
  .table-wrap{overflow-x:auto;}
  table{min-width:600px;}
  .cta-band{padding:24px;}
  .footer-grid{grid-template-columns:1fr;}
  .fab{bottom:88px;padding:12px 15px;font-size:12.5px;}
}
@media (max-width:520px){
  .cat-hero{padding:42px 0 52px;}
  .hero-cta .btn-volt,.hero-cta .btn-ghost{width:100%;}
  .cta-form input{flex:1 1 100%;}
  .cta-form .btn-volt{width:100%;}
  .brand-text em{font-size:10px;}
  .alloc-panel{padding:18px;}
}
/* ====== 修复文章列表与扫雷数据卡片排版 ====== */

/* 1. 标题与说明美化 */
h2, .news-header h2 {
    font-size: 28px !important;
    font-weight: 800 !important;
    color: #ffffff !important;
    margin-bottom: 12px !important;
}

/* 2. 将中间乱掉的纯文本自动重组为左右两列卡片 */
section:has(input[name*="phone"]), 
section:has(button) {
    max-width: 1200px !important;
    margin: 40px auto !important;
    padding: 0 16px !important;
}

/* 3. 底部领取表单区域美化为独立暗黑质感卡片 */
form[action*="#"], 
form:has(input[type="tel"]), 
form:has(input[placeholder*="Zalo"]) {
    background: linear-gradient(135deg, #0d2818 0%, #06170e 100%) !important;
    border: 1px solid #10b981 !important;
    border-radius: 16px !important;
    padding: 24px !important;
    margin-top: 30px !important;
    display: flex !important;
    flex-wrap: wrap !important;
    gap: 12px !important;
    align-items: center !important;
    box-shadow: 0 10px 25px rgba(0,0,0,0.5) !important;
}

form input[type="text"],
form input[type="tel"] {
    flex: 1 1 240px !important;
    background: rgba(255, 255, 255, 0.08) !important;
    border: 1px solid rgba(255, 255, 255, 0.2) !important;
    border-radius: 8px !important;
    padding: 12px 16px !important;
    color: #ffffff !important;
    font-size: 14px !important;
    outline: none !important;
}

form button[type="submit"] {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%) !important;
    color: #000000 !important;
    font-weight: bold !important;
    padding: 12px 24px !important;
    border-radius: 8px !important;
    border: none !important;
    cursor: pointer !important;
    white-space: nowrap !important;
}