/* roulang page: index */
:root{
  --bg:#030712;
  --bg-2:#081229;
  --bg-3:#0b1a38;
  --surface:rgba(15,30,58,.55);
  --surface-2:rgba(11,26,56,.72);
  --line:rgba(56,189,248,.18);
  --line-strong:rgba(56,189,248,.42);
  --primary:#2563eb;
  --primary-2:#3b82f6;
  --cyan:#38bdf8;
  --cyan-soft:#7dd3fc;
  --gold:#fbbf24;
  --text:#f8fafc;
  --muted:#94a3b8;
  --muted-2:#64748b;
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 22px 48px -26px rgba(2,8,25,.95);
  --glow:0 0 26px rgba(56,189,248,.35);
  --max:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:'Be Vietnam Pro',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Arial,sans-serif;
  background: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}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;letter-spacing:-.2px}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 20px}
.section{padding:74px 0;position:relative}
.section--alt{background:linear-gradient(180deg,rgba(8,18,41,0) 0%,rgba(8,18,41,.85) 22%,rgba(8,18,41,.85) 78%,rgba(8,18,41,0) 100%)}
.sec-head{max-width:720px;margin-bottom:34px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:1.1px;text-transform:uppercase;
  color:var(--cyan-soft);background:rgba(37,99,235,.14);
  border:1px solid var(--line);border-radius:999px;padding:6px 14px;margin-bottom:16px;
}
.eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px var(--cyan);display:inline-block}
.sec-head h2{font-size:clamp(24px,3vw,34px);margin-bottom:12px}
.sec-head p{color:var(--muted);font-size:15.5px}
.text-glow{color:var(--cyan-soft)}

/* ============ HEADER ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(3,7,18,.85);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:20px;min-height:74px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;font-size:19px;
  background:linear-gradient(135deg,var(--primary),var(--cyan));
  box-shadow:0 0 20px rgba(56,189,248,.45);
}
.brand-text{font-size:15px;font-weight:700;line-height:1.15;white-space:nowrap}
.brand-text em{display:block;font-style:normal;font-size:11px;font-weight:500;color:var(--muted);letter-spacing:.3px}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-link{
  padding:9px 14px;border-radius:10px;font-size:14px;font-weight:500;color:var(--muted);
  transition:color .2s,background .2s;white-space:nowrap;
}
.nav-link:hover{color:var(--text);background:rgba(56,189,248,.1)}
.nav-link.active{color:var(--cyan-soft);background:rgba(37,99,235,.2);box-shadow:inset 0 0 0 1px rgba(56,189,248,.25)}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:rgba(15,30,58,.7);color:var(--text);font-size:18px;cursor:pointer;
  align-items:center;justify-content:center;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 20px;border-radius:12px;font-size:14px;font-weight:600;
  border:1px solid transparent;cursor:pointer;transition:transform .22s,box-shadow .22s,background .22s,color .22s;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--cyan));color:#04101f;
  box-shadow:0 0 22px rgba(56,189,248,.35);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 32px rgba(56,189,248,.65);color:#04101f}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{color:#cbd5e1;border-color:rgba(148,163,184,.3);background:transparent}
.btn-ghost:hover{color:#fff;border-color:var(--cyan);background:rgba(56,189,248,.08)}
.btn-outline{color:var(--cyan-soft);border-color:rgba(56,189,248,.45);background:rgba(56,189,248,.06)}
.btn-outline:hover{background:rgba(56,189,248,.16);color:#fff;transform:translateY(-2px)}
.btn-lg{padding:14px 26px;font-size:15px;border-radius:14px}

/* ============ HERO ============ */
.hero{position:relative;overflow:hidden;padding:82px 0 70px;border-bottom:1px solid var(--line)}
.hero-bg{
  position:absolute;inset:0;
  background-size:cover;background-position:center;
  opacity:.28;filter:saturate(.9);
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(900px 480px at 12% 0%,rgba(37,99,235,.42),transparent 62%),
    radial-gradient(760px 420px at 92% 20%,rgba(56,189,248,.28),transparent 60%),
    linear-gradient(180deg,rgba(3,7,18,.72) 0%,rgba(3,7,18,.94) 70%,var(--bg) 100%);
}
.hero .container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.35fr .85fr;gap:48px;align-items:center}
.hero h1{font-size:clamp(28px,4.1vw,48px);font-weight:800;margin-bottom:20px;letter-spacing:-.6px}
.hero-lead{color:#cbd5e1;font-size:16.5px;max-width:640px;margin-bottom:28px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.hero-stat{
  padding:14px 16px;border-radius:var(--radius-sm);
  background:rgba(8,18,41,.66);border:1px solid var(--line);
  backdrop-filter:blur(10px);
}
.hero-stat b{display:block;font-size:20px;color:var(--cyan-soft);font-weight:700}
.hero-stat span{font-size:12.5px;color:var(--muted)}
.hero-panel{
  border-radius:22px;padding:26px;
  background:linear-gradient(160deg,rgba(15,30,58,.85),rgba(5,10,24,.85));
  border:1px solid rgba(251,191,36,.28);
  box-shadow:var(--shadow),0 0 34px rgba(251,191,36,.09);
  backdrop-filter:blur(14px);
}
.hero-panel-top{display:flex;align-items:center;gap:14px;margin-bottom:20px}
.tier-badge{
  width:56px;height:56px;border-radius:50%;display:grid;place-items:center;font-size:24px;
  background:radial-gradient(circle at 32% 28%,#fde68a,#f59e0b 58%,#b45309);
  box-shadow:0 0 26px rgba(251,191,36,.5);color:#3b1d02;flex-shrink:0;
}
.hero-panel-top h3{font-size:16px;margin-bottom:3px}
.hero-panel-top span{font-size:12.5px;color:var(--gold);font-weight:600;letter-spacing:.5px}
.tier-bar{height:8px;border-radius:999px;background:rgba(148,163,184,.18);overflow:hidden;margin-bottom:10px}
.tier-bar i{display:block;height:100%;width:72%;border-radius:999px;background:linear-gradient(90deg,#f59e0b,#fcd34d)}
.tier-meta{display:flex;justify-content:space-between;font-size:12.5px;color:var(--muted);margin-bottom:20px}
.tier-list{display:grid;gap:10px;margin-bottom:22px}
.tier-list li{display:flex;gap:10px;align-items:flex-start;font-size:13.5px;color:#cbd5e1}
.tier-list li::before{
  content:"";width:16px;height:16px;border-radius:50%;flex-shrink:0;margin-top:4px;
  background:rgba(56,189,248,.15);border:1px solid var(--line-strong);
  box-shadow:inset 0 0 0 3px rgba(3,7,18,.9);
}
.hero-panel .btn{width:100%}

/* ============ METRICS ============ */
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.metric{
  padding:24px 22px;border-radius:var(--radius);
  background:var(--surface);border:1px solid var(--line);
  backdrop-filter:blur(12px);transition:transform .25s,border-color .25s,box-shadow .25s;
}
.metric:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--glow)}
.metric b{display:block;font-size:30px;font-weight:800;color:#fff;letter-spacing:-1px;margin-bottom:6px}
.metric b em{font-style:normal;font-size:16px;color:var(--cyan)}
.metric span{font-size:13.5px;color:var(--muted)}

/* ============ CHANNEL MATRIX ============ */
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.channel{
  display:flex;flex-direction:column;gap:12px;padding:28px 26px;border-radius:var(--radius);
  background:var(--surface-2);border:1px solid var(--line);
  transition:transform .25s,border-color .25s,box-shadow .25s;position:relative;overflow:hidden;
}
.channel::before{
  content:"";position:absolute;inset:0;opacity:0;transition:opacity .25s;
  background:radial-gradient(420px 200px at 80% 0%,rgba(56,189,248,.16),transparent 70%);
}
.channel:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:var(--glow)}
.channel:hover::before{opacity:1}
.channel-tag{
  align-self:flex-start;font-size:11.5px;font-weight:600;letter-spacing:.8px;text-transform:uppercase;
  color:var(--cyan-soft);background:rgba(56,189,248,.12);border:1px solid var(--line);
  border-radius:8px;padding:4px 10px;position:relative;z-index:1;
}
.channel h3{font-size:19px;position:relative;z-index:1}
.channel p{font-size:14px;color:var(--muted);position:relative;z-index:1}
.channel-more{
  margin-top:auto;font-size:13.5px;font-weight:600;color:var(--cyan-soft);
  display:inline-flex;align-items:center;gap:7px;position:relative;z-index:1;
}
.channel-more::after{content:"→";transition:transform .25s}
.channel:hover .channel-more::after{transform:translateX(5px)}

/* ============ MATCH TABLE ============ */
.match-board{
  border-radius:var(--radius);border:1px solid var(--line);
  background:var(--surface);backdrop-filter:blur(12px);overflow:hidden;
}
.match-row{
  display:grid;grid-template-columns:2fr 1fr 1fr 1fr .9fr;gap:12px;align-items:center;
  padding:16px 22px;border-bottom:1px solid rgba(56,189,248,.09);
  transition:background .22s;
}
.match-row:last-child{border-bottom:0}
.match-row:hover{background:rgba(56,189,248,.06)}
.match-row.head{
  background:rgba(37,99,235,.14);font-size:12.5px;text-transform:uppercase;
  letter-spacing:.9px;color:var(--muted);font-weight:600;
}
.match-team{font-weight:600;font-size:14.5px}
.match-team small{display:block;font-weight:400;font-size:12px;color:var(--muted-2);margin-top:2px}
.match-val{font-size:14px;color:#dbeafe;font-weight:600}
.match-val.tag{color:var(--cyan-soft)}
.pill{
  display:inline-block;font-size:11.5px;font-weight:600;padding:3px 10px;border-radius:999px;
  background:rgba(56,189,248,.14);color:var(--cyan-soft);border:1px solid var(--line);
}
.pill--hot{background:rgba(251,191,36,.14);color:var(--gold);border-color:rgba(251,191,36,.35)}

/* ============ FEATURE GLASS ============ */
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.feature{
  padding:26px 22px;border-radius:var(--radius);
  background:var(--surface);border:1px solid var(--line);
  backdrop-filter:blur(12px);transition:border-color .25s,transform .25s;
}
.feature:hover{border-color:var(--line-strong);transform:translateY(-4px)}
.feature-icon{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;font-size:20px;
  background:rgba(37,99,235,.2);border:1px solid var(--line-strong);margin-bottom:16px;
  box-shadow:0 0 18px rgba(56,189,248,.2);
}
.feature h3{font-size:16.5px;margin-bottom:8px}
.feature p{font-size:13.8px;color:var(--muted)}

/* ============ COMPARE ============ */
.compare-wrap{
  border-radius:var(--radius);border:1px solid var(--line);overflow:hidden;
  background:var(--surface);backdrop-filter:blur(12px);
}
.compare-row{
  display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:14px;padding:15px 22px;
  border-bottom:1px solid rgba(56,189,248,.09);font-size:14px;align-items:center;
}
.compare-row:last-child{border-bottom:0}
.compare-row.head{
  background:rgba(37,99,235,.16);font-weight:600;font-size:12.5px;
  text-transform:uppercase;letter-spacing:.9px;color:var(--muted);
}
.compare-row .col-us{color:var(--cyan-soft);font-weight:600}
.compare-row .col-them{color:var(--muted-2)}

/* ============ TIMELINE ============ */
.timeline{position:relative;padding-left:28px}
.timeline::before{
  content:"";position:absolute;left:7px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,var(--cyan),rgba(56,189,248,0));
}
.timeline li{position:relative;padding-bottom:26px}
.timeline li:last-child{padding-bottom:0}
.timeline li::before{
  content:"";position:absolute;left:-28px;top:6px;width:16px;height:16px;border-radius:50%;
  background:var(--bg-2);border:2px solid var(--cyan);box-shadow:0 0 14px rgba(56,189,248,.6);
}
.timeline b{display:block;font-size:15px;margin-bottom:5px}
.timeline span{font-size:13.5px;color:var(--muted)}

/* ============ CHANGELOG ============ */
.log-list{display:grid;gap:14px}
.log-item{
  display:grid;grid-template-columns:110px 1fr;gap:18px;align-items:start;
  padding:18px 22px;border-radius:var(--radius-sm);
  background:rgba(11,26,56,.6);border:1px solid var(--line);
}
.log-ver{
  font-size:13px;font-weight:700;color:var(--gold);letter-spacing:.6px;
}
.log-item p{font-size:14px;color:#cbd5e1}

/* ============ TIERS ============ */
.tier-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.tier-card{
  padding:28px 24px;border-radius:var(--radius);
  background:var(--surface-2);border:1px solid var(--line);
  display:flex;flex-direction:column;gap:14px;transition:transform .25s,border-color .25s;
}
.tier-card:hover{transform:translateY(-5px);border-color:var(--line-strong)}
.tier-card.highlight{border-color:rgba(251,191,36,.4);box-shadow:0 0 30px rgba(251,191,36,.12)}
.tier-card h3{font-size:18px}
.tier-card .price{font-size:13.5px;color:var(--muted)}
.tier-card ul{display:grid;gap:10px;font-size:13.8px;color:#cbd5e1}
.tier-card ul li{padding-left:20px;position:relative}
.tier-card ul li::before{
  content:"✓";position:absolute;left:0;top:0;color:var(--cyan);font-weight:700;
}

/* ============ CONTRIBUTORS ============ */
.contrib-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.contrib{
  text-align:left;padding:20px 18px;border-radius:var(--radius-sm);
  background:rgba(11,26,56,.62);border:1px solid var(--line);
}
.contrib b{display:block;font-size:14.5px;margin-bottom:4px}
.contrib span{font-size:12.5px;color:var(--muted)}
.contrib em{display:block;font-style:normal;font-size:12.5px;color:var(--cyan-soft);margin-top:8px;font-weight:600}

/* ============ TOPIC TAGS ============ */
.topic-tags{display:flex;flex-wrap:wrap;gap:12px}
.topic-tags span{
  font-size:13.5px;padding:9px 18px;border-radius:999px;
  background:rgba(15,30,58,.72);border:1px solid var(--line);color:#cbd5e1;
  transition:border-color .22s,color .22s,transform .22s;
}
.topic-tags span:hover{border-color:var(--line-strong);color:#fff;transform:translateY(-2px)}

/* ============ NEWS ============ */
.news-layout{display:grid;grid-template-columns:1.6fr 1fr;gap:32px;align-items:start}
.news-list{display:grid;gap:16px}
.news-card{
  display:grid;grid-template-columns:132px 1fr;gap:18px;
  padding:16px;border-radius:var(--radius-sm);
  background:rgba(11,26,56,.55);border:1px solid var(--line);
  transition:border-color .25s,transform .25s,box-shadow .25s;
}
.news-card:hover{border-color:var(--line-strong);transform:translateY(-3px);box-shadow:var(--glow)}
.news-thumb{
  width:100%;height:96px;object-fit:cover;border-radius:10px;
  border:1px solid rgba(56,189,248,.15);
}
.news-cat{
  font-size:11px;font-weight:600;letter-spacing:.7px;text-transform:uppercase;
  color:var(--cyan-soft);
}
.news-card h3{font-size:15.5px;margin:6px 0 7px;line-height:1.4}
.news-card p{font-size:13.2px;color:var(--muted);margin-bottom:8px}
.news-date{font-size:12px;color:var(--muted-2)}
.side-list{display:grid;gap:12px}
.side-item{
  padding:15px 17px;border-radius:var(--radius-sm);
  background:rgba(15,30,58,.5);border:1px solid var(--line);
  transition:border-color .22s,background .22s;
}
.side-item:hover{border-color:var(--line-strong);background:rgba(37,99,235,.14)}
.side-item span{font-size:11.5px;text-transform:uppercase;letter-spacing:.7px;color:var(--gold);font-weight:600}
.side-item h4{font-size:14px;margin:6px 0 5px;line-height:1.4}
.side-item time{font-size:12px;color:var(--muted-2)}
.empty-note{
  padding:22px;border-radius:var(--radius-sm);border:1px dashed var(--line-strong);
  color:var(--muted);font-size:14px;background:rgba(11,26,56,.4);
}

/* ============ TRUST ============ */
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.trust{
  padding:22px;border-radius:var(--radius-sm);
  background:rgba(8,18,41,.66);border:1px solid var(--line);
  display:flex;gap:14px;align-items:flex-start;
}
.trust i{
  font-style:normal;font-size:17px;width:38px;height:38px;flex-shrink:0;border-radius:11px;
  display:grid;place-items:center;background:rgba(56,189,248,.14);
  border:1px solid var(--line-strong);
}
.trust b{display:block;font-size:14.5px;margin-bottom:4px}
.trust span{font-size:13px;color:var(--muted)}

/* ============ QUICK ANSWER ============ */
.quick-band{
  display:grid;grid-template-columns:repeat(3,1fr);gap:18px;
  padding:28px;border-radius:var(--radius);
  background:linear-gradient(120deg,rgba(37,99,235,.2),rgba(8,18,41,.7));
  border:1px solid var(--line);
}
.quick-band div h4{font-size:15px;margin-bottom:7px;color:var(--cyan-soft)}
.quick-band div p{font-size:13.5px;color:#cbd5e1}

/* ============ FAQ ============ */
.faq-wrap{display:grid;gap:14px;max-width:900px}
.accordion-item{
  background:rgba(11,26,56,.6)!important;border:1px solid var(--line)!important;
  border-radius:var(--radius-sm)!important;overflow:hidden;
}
.accordion-button{
  background:transparent!important;color:var(--text)!important;
  font-size:15px;font-weight:600;padding:18px 22px;box-shadow:none!important;
}
.accordion-button:not(.collapsed){color:var(--cyan-soft)!important}
.accordion-button::after{filter:invert(72%) sepia(38%) saturate(1600%) hue-rotate(175deg)}
.accordion-body{padding:0 22px 20px;color:var(--muted);font-size:14px}

/* ============ FORM ============ */
.cta-panel{
  display:grid;grid-template-columns:1.05fr 1fr;gap:44px;align-items:center;
  padding:44px 40px;border-radius:24px;
  background:linear-gradient(140deg,rgba(37,99,235,.28),rgba(8,18,41,.9) 62%);
  border:1px solid var(--line-strong);
  box-shadow:var(--shadow);
}
.cta-panel h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:14px}
.cta-panel p{color:#cbd5e1;font-size:15px}
.form-grid{display:grid;gap:14px}
.field label{display:block;font-size:12.5px;font-weight:600;letter-spacing:.5px;text-transform:uppercase;color:var(--muted);margin-bottom:7px}
.field input,.field select{
  width:100%;padding:13px 16px;border-radius:12px;
  background:rgba(3,7,18,.72);border:1px solid var(--line);color:var(--text);
  transition:border-color .22s,box-shadow .22s;
}
.field input::placeholder{color:var(--muted-2)}
.field input:focus,.field select:focus{
  outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(56,189,248,.18);
}
.form-note{font-size:12.5px;color:var(--muted-2)}
.form-ok{
  display:none;font-size:13.5px;color:var(--cyan-soft);
  border:1px solid var(--line-strong);border-radius:10px;padding:10px 14px;background:rgba(56,189,248,.1);
}
.form-ok.show{display:block}

/* ============ FOOTER ============ */
.site-footer{
  margin-top:20px;border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(8,18,41,.6),rgba(3,7,18,1));
  padding:56px 0 26px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px;margin-bottom:36px}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.footer-col h4{font-size:14px;margin-bottom:16px;letter-spacing:.4px}
.footer-col ul{display:grid;gap:10px}
.footer-col a,.footer-col span{font-size:13.5px;color:var(--muted);transition:color .2s}
.footer-col a:hover{color:var(--cyan-soft)}
.footer-desc{font-size:13.5px;color:var(--muted);max-width:340px}
.footer-bottom{
  border-top:1px solid rgba(56,189,248,.12);padding-top:22px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:var(--muted-2);
}
.badge-18{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;
  border:1px solid rgba(251,191,36,.4);color:var(--gold);border-radius:999px;
  padding:5px 13px;margin-top:14px;
}

/* ============ FAB ============ */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:70;
  display:inline-flex;align-items:center;gap:10px;
  padding:12px 18px 12px 14px;border-radius:999px;
  background:rgba(7,18,38,.82);backdrop-filter:blur(14px);
  border:1px solid transparent;
  background-image:linear-gradient(rgba(7,18,38,.86),rgba(7,18,38,.86)),
                   linear-gradient(120deg,var(--cyan),var(--primary));
  background-origin:border-box;background-clip:padding-box,border-box;
  box-shadow:0 0 22px rgba(56,189,248,.4);
  font-size:13.5px;font-weight:600;color:#e2f4ff;
  transition:transform .25s,box-shadow .25s,opacity .25s;opacity:.88;
}
.fab:hover{opacity:1;transform:translateY(-3px) scale(1.03);box-shadow:0 0 34px rgba(56,189,248,.7)}
.fab:active{transform:scale(.96)}
.fab svg{width:20px;height:20px;flex-shrink:0}
.fab-dot{
  position:absolute;top:-3px;right:-3px;width:12px;height:12px;border-radius:50%;
  background:#ef4444;box-shadow:0 0 0 2px #030712,0 0 12px rgba(239,68,68,.9);
  animation:pulse 1.8s infinite;
}
@keyframes pulse{0%,100%{transform:scale(1);opacity:1}50%{transform:scale(1.25);opacity:.75}}

/* ============ RESPONSIVE ============ */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .metric-grid,.feature-grid,.trust-grid{grid-template-columns:repeat(2,1fr)}
  .channel-grid{grid-template-columns:repeat(2,1fr)}
  .tier-grid{grid-template-columns:1fr}
  .contrib-grid{grid-template-columns:repeat(3,1fr)}
  .news-layout{grid-template-columns:1fr}
  .cta-panel{grid-template-columns:1fr;gap:30px;padding:34px 26px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:900px){
  .main-nav{
    position:fixed;left:0;right:0;top:74px;
    flex-direction:column;align-items:stretch;gap:4px;
    padding:16px 20px 22px;
    background:rgba(3,7,18,.98);border-bottom:1px solid var(--line);
    transform:translateY(-14px);opacity:0;pointer-events:none;transition:.25s;
    box-shadow:0 24px 40px -20px rgba(0,0,0,.9);
  }
  .main-nav.open{transform:translateY(0);opacity:1;pointer-events:auto}
  .nav-link{padding:13px 14px;font-size:15px}
  .nav-toggle{display:inline-flex}
  .header-actions .btn-ghost{display:none}
  .quick-band{grid-template-columns:1fr}
}
@media (max-width:640px){
  .section{padding:52px 0}
  .hero{padding:56px 0 48px}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .metric-grid,.feature-grid,.trust-grid,.channel-grid{grid-template-columns:1fr}
  .contrib-grid{grid-template-columns:repeat(2,1fr)}
  .match-row{grid-template-columns:1.4fr 1fr;gap:8px;padding:14px 16px}
  .match-row .hide-sm{display:none}
  .compare-row{grid-template-columns:1fr;gap:6px;padding:14px 16px}
  .compare-row .col-them::before{content:"Thông thường: ";color:var(--muted-2);font-size:11.5px}
  .compare-row .col-us::before{content:"Tại đây: ";color:var(--muted-2);font-size:11.5px}
  .news-card{grid-template-columns:1fr}
  .news-thumb{height:150px}
  .log-item{grid-template-columns:1fr;gap:8px}
  .footer-grid{grid-template-columns:1fr}
  .brand-text{font-size:13px}
  .brand-text em{font-size:10px}
  .btn{padding:10px 15px;font-size:13px}
  .btn-lg{padding:12px 18px;font-size:13.5px}
  .cta-panel{padding:26px 20px}
  .fab{bottom:84px;left:12px;padding:11px 15px}
}

/* roulang page: article */
:root{
  --bg:#030712;
  --bg-2:#081229;
  --bg-3:#0b1a38;
  --surface:rgba(15,30,58,.55);
  --surface-2:rgba(11,26,56,.72);
  --line:rgba(56,189,248,.18);
  --line-strong:rgba(56,189,248,.42);
  --primary:#2563eb;
  --primary-2:#3b82f6;
  --cyan:#38bdf8;
  --cyan-soft:#7dd3fc;
  --gold:#fbbf24;
  --text:#f8fafc;
  --muted:#94a3b8;
  --muted-2:#64748b;
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 22px 48px -26px rgba(2,8,25,.95);
  --glow:0 0 26px rgba(56,189,248,.35);
  --max:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:'Be Vietnam Pro',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.65;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(900px 520px at 8% -8%,rgba(37,99,235,.22),transparent 62%),
    radial-gradient(760px 480px at 96% 6%,rgba(56,189,248,.15),transparent 60%);
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s,background .2s,border-color .2s}
ul,ol{list-style:none;margin:0;padding:0}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.25;letter-spacing:-.3px}
p{margin:0 0 16px}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 20px;position:relative;z-index:2}
.section{padding:74px 0;position:relative;z-index:2}
.section--alt{background:linear-gradient(180deg,rgba(8,18,41,0) 0%,rgba(8,18,41,.85) 20%,rgba(8,18,41,.85) 80%,rgba(8,18,41,0) 100%)}
.section--tight{padding:34px 0}
.section-head{max-width:760px;margin-bottom:38px}
.section-head h2{font-size:clamp(22px,2.7vw,32px);margin-bottom:14px}
.section-head p{color:var(--muted);font-size:15.5px;margin:0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:1.1px;text-transform:uppercase;
  color:var(--cyan-soft);background:rgba(37,99,235,.14);
  border:1px solid var(--line);border-radius:999px;padding:6px 14px;margin-bottom:16px;
}
.eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px var(--cyan);display:inline-block}
.text-glow{color:var(--cyan-soft)}

/* ============ HEADER ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(3,7,18,.85);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:20px;min-height:74px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;font-size:19px;
  background:linear-gradient(135deg,var(--primary),var(--cyan));
  box-shadow:0 0 20px rgba(56,189,248,.45);
}
.brand-text{font-size:15px;font-weight:700;line-height:1.15;white-space:nowrap}
.brand-text em{display:block;font-style:normal;font-size:11px;font-weight:500;color:var(--muted);letter-spacing:.3px}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-link{padding:9px 14px;border-radius:10px;font-size:14px;font-weight:500;color:var(--muted);white-space:nowrap}
.nav-link:hover{color:var(--text);background:rgba(56,189,248,.1)}
.nav-link.active{color:var(--cyan-soft);background:rgba(37,99,235,.2);box-shadow:inset 0 0 0 1px rgba(56,189,248,.25)}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:rgba(15,30,58,.7);color:var(--text);font-size:18px;cursor:pointer;
  align-items:center;justify-content:center;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 20px;border-radius:12px;font-size:14px;font-weight:600;
  border:1px solid transparent;cursor:pointer;
  transition:transform .22s,box-shadow .22s,background .22s,color .22s,border-color .22s;
  white-space:nowrap;
}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--cyan));color:#04101f;box-shadow:0 0 22px rgba(56,189,248,.35)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 32px rgba(56,189,248,.65);color:#04101f}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{color:#cbd5e1;border-color:rgba(148,163,184,.3);background:transparent}
.btn-ghost:hover{color:#fff;border-color:var(--cyan);background:rgba(56,189,248,.08)}
.btn-outline{color:var(--cyan-soft);border-color:rgba(56,189,248,.45);background:rgba(56,189,248,.06)}
.btn-outline:hover{background:rgba(56,189,248,.16);color:#fff;transform:translateY(-2px)}
.btn-lg{padding:14px 26px;font-size:15px;border-radius:14px}

/* ============ ARTICLE HERO ============ */
.article-hero{position:relative;overflow:hidden;padding:64px 0 54px;border-bottom:1px solid var(--line)}
.article-hero .hero-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:.24;filter:saturate(.85);
}
.article-hero::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(820px 420px at 6% 0%,rgba(37,99,235,.42),transparent 64%),
    radial-gradient(680px 400px at 94% 12%,rgba(56,189,248,.24),transparent 62%),
    linear-gradient(180deg,rgba(3,7,18,.78) 0%,rgba(3,7,18,.93) 66%,var(--bg) 100%);
}
.article-hero .container{position:relative;z-index:2}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:9px;font-size:13px;color:var(--muted);margin-bottom:20px}
.crumb a:hover{color:var(--cyan-soft)}
.crumb span{color:var(--muted-2)}
.article-hero h1{
  font-size:clamp(26px,3.9vw,44px);font-weight:800;letter-spacing:-.7px;
  max-width:920px;margin-bottom:20px;
}
.article-summary{color:#cbd5e1;font-size:16.5px;max-width:820px;margin-bottom:26px}
.article-meta{display:flex;flex-wrap:wrap;gap:10px}
.meta-pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 15px;border-radius:999px;font-size:13px;font-weight:500;
  color:#dbeafe;background:rgba(11,26,56,.7);border:1px solid var(--line);
  backdrop-filter:blur(10px);
}
.meta-pill strong{color:var(--cyan-soft);font-weight:600}

/* ============ STAT STRIP ============ */
.stat-strip{
  display:grid;grid-template-columns:repeat(5,1fr);gap:16px;
  padding:22px;border-radius:var(--radius);
  background:var(--surface);border:1px solid var(--line);
  box-shadow:var(--shadow);backdrop-filter:blur(12px);
}
.stat-cell{text-align:left;padding:8px 6px;border-left:1px solid var(--line);padding-left:16px}
.stat-cell:first-child{border-left:0;padding-left:6px}
.stat-cell b{display:block;font-size:22px;font-weight:700;color:var(--cyan-soft);letter-spacing:-.5px}
.stat-cell span{font-size:12.5px;color:var(--muted);display:block;margin-top:2px}
.stat-cell em{font-style:normal;font-size:11.5px;color:var(--gold);font-weight:600}

/* ============ ARTICLE LAYOUT ============ */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:42px;align-items:start}
.article-main{min-width:0}
.article-cover{margin:0 0 30px;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
.article-cover img{width:100%;aspect-ratio:16/8;object-fit:cover}
.article-body{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
  padding:34px 36px;backdrop-filter:blur(12px);max-width:760px;
}
.article-body h2{font-size:24px;margin:34px 0 14px;padding-left:14px;border-left:3px solid var(--cyan);line-height:1.35}
.article-body h2:first-child{margin-top:0}
.article-body h3{font-size:19px;margin:26px 0 12px;color:var(--cyan-soft)}
.article-body p{margin-bottom:16px;color:#cbd5e1;line-height:1.7}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:22px}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin-bottom:9px;color:#cbd5e1}
.article-body strong{color:#fff;font-weight:600}
.article-body a{color:var(--cyan-soft);text-decoration:underline}
.article-body img{border-radius:var(--radius-sm);margin:20px 0}
.article-body blockquote{
  margin:22px 0;padding:16px 20px;border-left:3px solid var(--gold);
  background:rgba(251,191,36,.07);border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:#e2e8f0;
}
.article-body table{width:100%;border-collapse:collapse;margin:20px 0;font-size:14.5px}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.article-body th{background:rgba(37,99,235,.18);color:#fff}
.empty-state{text-align:left;padding:12px 0}
.empty-state h2{font-size:22px;margin-bottom:12px;padding:0;border:0}
.empty-state p{color:var(--muted)}

/* ============ SIDEBAR ============ */
.article-side{position:sticky;top:96px;display:grid;gap:18px}
.side-card{
  background:var(--surface-2);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 22px 24px;backdrop-filter:blur(12px);box-shadow:var(--shadow);
}
.side-card h3{font-size:15px;margin-bottom:14px;color:#e2e8f0;letter-spacing:.2px}
.side-list li{margin-bottom:10px}
.side-list a{font-size:14px;color:var(--muted);display:flex;gap:9px;align-items:flex-start}
.side-list a::before{content:"▸";color:var(--cyan);line-height:1.5}
.side-list a:hover{color:var(--cyan-soft)}
.side-kv{display:flex;justify-content:space-between;gap:12px;font-size:13.5px;padding:9px 0;border-bottom:1px dashed var(--line)}
.side-kv:last-child{border-bottom:0}
.side-kv span{color:var(--muted)}
.side-kv b{color:var(--cyan-soft);font-weight:600}
.side-note{font-size:13px;color:var(--muted);line-height:1.6;margin:0}

/* ============ ODDS TABLE ============ */
.odds-wrap{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--surface);backdrop-filter:blur(12px);box-shadow:var(--shadow)}
.odds-scroll{overflow-x:auto}
table.odds{width:100%;border-collapse:collapse;min-width:720px;font-size:14.5px}
table.odds thead th{
  background:rgba(37,99,235,.24);color:#e0f2fe;font-weight:600;font-size:12.5px;
  letter-spacing:.8px;text-transform:uppercase;padding:15px 18px;text-align:left;border-bottom:1px solid var(--line)
}
table.odds tbody td{padding:15px 18px;border-bottom:1px solid var(--line);color:#cbd5e1}
table.odds tbody tr:last-child td{border-bottom:0}
table.odds tbody tr:hover{background:rgba(56,189,248,.06)}
table.odds .match-name{color:#fff;font-weight:600}
table.odds .odds-val{color:var(--cyan-soft);font-weight:600}
.tag-mini{
  display:inline-block;padding:3px 10px;border-radius:999px;font-size:11.5px;font-weight:600;
  background:rgba(56,189,248,.14);color:var(--cyan-soft);border:1px solid var(--line)
}
.tag-mini.gold{background:rgba(251,191,36,.13);color:#fcd34d;border-color:rgba(251,191,36,.3)}
.odds-note{padding:14px 18px;font-size:13px;color:var(--muted);border-top:1px solid var(--line);background:rgba(3,7,18,.45)}

/* ============ MATRIX CARDS ============ */
.matrix-card{
  height:100%;padding:26px 24px;border-radius:var(--radius);
  background:var(--surface);border:1px solid var(--line);
  backdrop-filter:blur(12px);transition:transform .25s,border-color .25s,box-shadow .25s;
}
.matrix-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:0 0 28px rgba(56,189,248,.18)}
.matrix-ico{
  width:48px;height:48px;border-radius:14px;display:grid;place-items:center;font-size:22px;
  background:linear-gradient(140deg,rgba(37,99,235,.35),rgba(56,189,248,.2));
  border:1px solid var(--line);margin-bottom:16px;
}
.matrix-card h3{font-size:17px;margin-bottom:10px}
.matrix-card p{font-size:14px;color:var(--muted);margin:0 0 14px}
.matrix-card ul li{font-size:13.5px;color:#cbd5e1;padding-left:16px;position:relative;margin-bottom:7px}
.matrix-card ul li::before{content:"";position:absolute;left:0;top:9px;width:6px;height:6px;border-radius:50%;background:var(--cyan)}

/* ============ COMPARE ============ */
.compare-row{margin-bottom:24px}
.compare-row:last-child{margin-bottom:0}
.compare-label{display:flex;justify-content:space-between;font-size:14px;margin-bottom:9px}
.compare-label span{color:var(--muted)}
.compare-label b{color:var(--cyan-soft);font-weight:600}
.bar{height:10px;border-radius:999px;background:rgba(148,163,184,.14);overflow:hidden}
.bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--primary),var(--cyan))}
.bar.gold i{background:linear-gradient(90deg,#b45309,var(--gold))}

/* ============ TIMELINE ============ */
.timeline{position:relative;padding-left:26px}
.timeline::before{content:"";position:absolute;left:6px;top:6px;bottom:6px;width:2px;background:linear-gradient(180deg,var(--cyan),rgba(56,189,248,.05))}
.timeline li{position:relative;padding:0 0 24px 12px}
.timeline li:last-child{padding-bottom:0}
.timeline li::before{
  content:"";position:absolute;left:-26px;top:5px;width:14px;height:14px;border-radius:50%;
  background:var(--bg-3);border:2px solid var(--cyan);box-shadow:0 0 12px rgba(56,189,248,.7)
}
.timeline b{display:block;font-size:13px;color:var(--gold);letter-spacing:.5px;margin-bottom:4px}
.timeline h4{font-size:16px;margin-bottom:6px}
.timeline p{font-size:14px;color:var(--muted);margin:0}

/* ============ NEWS GRID ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.news-card{
  display:flex;flex-direction:column;gap:10px;height:100%;
  padding:24px 22px;border-radius:var(--radius);
  background:var(--surface);border:1px solid var(--line);
  transition:transform .25s,border-color .25s,box-shadow .25s;
}
.news-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:0 0 26px rgba(56,189,248,.16)}
.news-tag{align-self:flex-start;font-size:11.5px;font-weight:600;letter-spacing:.8px;text-transform:uppercase;color:var(--cyan-soft);background:rgba(56,189,248,.12);border:1px solid var(--line);border-radius:999px;padding:4px 11px}
.news-card h3{font-size:16.5px;line-height:1.4}
.news-card p{font-size:14px;color:var(--muted);margin:0;flex:1}
.news-more{font-size:13.5px;font-weight:600;color:var(--cyan-soft)}

/* ============ TRUST ============ */
.trust-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.trust-media{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
.trust-media img{width:100%;aspect-ratio:16/11;object-fit:cover}
.trust-list li{display:flex;gap:14px;padding:16px 0;border-bottom:1px solid var(--line)}
.trust-list li:last-child{border-bottom:0}
.trust-ico{
  width:42px;height:42px;flex-shrink:0;border-radius:12px;display:grid;place-items:center;font-size:19px;
  background:rgba(37,99,235,.2);border:1px solid var(--line);
}
.trust-list h4{font-size:16px;margin-bottom:5px}
.trust-list p{font-size:14px;color:var(--muted);margin:0}

/* ============ FAQ ============ */
.faq{display:grid;gap:12px;max-width:900px}
.faq details{
  border:1px solid var(--line);border-radius:var(--radius-sm);
  background:var(--surface);backdrop-filter:blur(10px);
  transition:border-color .25s,background .25s;
}
.faq details[open]{border-color:var(--line-strong);background:var(--surface-2)}
.faq summary{
  cursor:pointer;list-style:none;padding:18px 52px 18px 22px;position:relative;
  font-size:15.5px;font-weight:600;color:#e2e8f0;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);
  width:26px;height:26px;border-radius:8px;display:grid;place-items:center;
  background:rgba(56,189,248,.14);color:var(--cyan-soft);font-size:16px;font-weight:700;
}
.faq details[open] summary::after{content:"–"}
.faq .faq-body{padding:0 22px 20px;font-size:14.5px;color:var(--muted);line-height:1.7}

/* ============ CTA ============ */
.cta-box{
  position:relative;overflow:hidden;border-radius:24px;padding:48px;
  background:linear-gradient(140deg,rgba(11,26,56,.92),rgba(3,7,18,.92));
  border:1px solid var(--line-strong);box-shadow:var(--shadow),0 0 40px rgba(37,99,235,.14);
}
.cta-box::before{
  content:"";position:absolute;right:-90px;top:-90px;width:300px;height:300px;border-radius:50%;
  background:radial-gradient(circle,rgba(56,189,248,.24),transparent 68%);
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.cta-inner h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:14px}
.cta-inner p{color:var(--muted);margin:0}
.signup-form{display:grid;gap:12px}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.signup-form input,.signup-form select{
  width:100%;padding:13px 16px;border-radius:12px;font-size:14.5px;
  background:rgba(3,7,18,.6);border:1px solid var(--line);color:var(--text);
  transition:border-color .2s,box-shadow .2s;
}
.signup-form input::placeholder{color:var(--muted-2)}
.signup-form input:focus,.signup-form select:focus{
  outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(56,189,248,.18)
}
.form-note{font-size:12.5px;color:var(--muted-2);margin:0}

/* ============ FAB ============ */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  width:58px;height:58px;border-radius:18px;display:grid;place-items:center;
  color:var(--cyan-soft);font-size:22px;opacity:.82;
  border:1px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.86),rgba(7,7,13,.86)),linear-gradient(135deg,#38bdf8,#2563eb);
  background-origin:border-box;background-clip:padding-box,border-box;
  backdrop-filter:blur(12px);
  box-shadow:0 0 20px rgba(56,189,248,.45);
  transition:opacity .25s,transform .25s,box-shadow .25s;
}
.fab:hover{opacity:1;transform:scale(1.07);box-shadow:0 0 34px rgba(56,189,248,.75)}
.fab:active{transform:scale(.95)}
.fab-dot{
  position:absolute;top:9px;right:9px;width:9px;height:9px;border-radius:50%;
  background:#f43f5e;box-shadow:0 0 8px #f43f5e;animation:fabPulse 1.7s infinite;
}
@keyframes fabPulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.45;transform:scale(1.3)}}

/* ============ FOOTER ============ */
.site-footer{
  position:relative;z-index:2;margin-top:10px;padding:62px 0 28px;
  background:linear-gradient(180deg,rgba(5,10,24,.35),#04091a);
  border-top:1px solid var(--line);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:38px;margin-bottom:40px}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.footer-desc{color:var(--muted);font-size:14px;max-width:360px}
.badge-18{
  display:inline-flex;align-items:center;gap:8px;margin-top:8px;padding:7px 14px;
  border-radius:999px;background:rgba(239,68,68,.12);border:1px solid rgba(239,68,68,.35);
  color:#fca5a5;font-size:12.5px;font-weight:600;
}
.footer-col h4{font-size:14px;text-transform:uppercase;letter-spacing:1px;color:#e2e8f0;margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a,.footer-col ul li span{color:var(--muted);font-size:14px}
.footer-col ul li a:hover{color:var(--cyan-soft)}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-top:22px;border-top:1px solid var(--line);color:var(--muted-2);font-size:13px;
}

/* ============ RESPONSIVE ============ */
@media (max-width:1024px){
  .header-inner{flex-wrap:wrap;gap:14px;padding:12px 0}
  .main-nav{order:3;width:100%;display:none;flex-wrap:wrap;gap:4px;margin-left:0}
  .main-nav.open{display:flex}
  .header-actions{margin-left:auto}
  .nav-toggle{display:inline-flex}
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .stat-strip{grid-template-columns:repeat(3,1fr)}
  .stat-cell:nth-child(4){border-left:0;padding-left:6px}
  .article-layout{grid-template-columns:1fr;gap:32px}
  .article-side{position:static}
  .trust-grid{grid-template-columns:1fr;gap:30px}
  .cta-inner{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .news-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:768px){
  .section{padding:56px 0}
  .article-hero{padding:48px 0 42px}
  .article-body{padding:26px 22px}
  .stat-strip{grid-template-columns:repeat(2,1fr);gap:12px;padding:18px}
  .stat-cell{border-left:1px solid var(--line);padding-left:14px}
  .stat-cell:nth-child(odd){border-left:0;padding-left:4px}
  .cta-box{padding:32px 22px}
  .news-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:520px){
  .brand-text{font-size:13.5px;white-space:normal}
  .brand-text em{font-size:10.5px}
  .article-hero h1{font-size:24px}
  .article-summary{font-size:15px}
  .stat-strip{grid-template-columns:1fr 1fr}
  .stat-cell b{font-size:18px}
  .field-row{grid-template-columns:1fr}
  .btn{padding:10px 16px;font-size:13.5px}
  .header-actions .btn-ghost{display:inline-flex}
  .fab{width:52px;height:52px;bottom:82px;left:12px}
}

/* roulang page: category1 */
/* ============ DESIGN SYSTEM ============ */
:root{
  --bg:#030712;
  --bg-2:#081229;
  --bg-3:#0b1a38;
  --surface:rgba(15,30,58,.55);
  --surface-2:rgba(11,26,56,.72);
  --line:rgba(56,189,248,.18);
  --line-strong:rgba(56,189,248,.42);
  --primary:#2563eb;
  --primary-2:#3b82f6;
  --cyan:#38bdf8;
  --cyan-soft:#7dd3fc;
  --gold:#fbbf24;
  --text:#f8fafc;
  --muted:#94a3b8;
  --muted-2:#64748b;
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 22px 48px -26px rgba(2,8,25,.95);
  --glow:0 0 26px rgba(56,189,248,.35);
  --max:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:'Be Vietnam Pro',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Arial,sans-serif;
  background: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}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,h5{margin:0 0 12px;line-height:1.28;font-weight:700;letter-spacing:-.2px}
p{margin:0 0 14px}
p:last-child{margin-bottom:0}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 20px}
.section{padding:74px 0;position:relative}
.section--alt{background:linear-gradient(180deg,rgba(8,18,41,0) 0%,rgba(8,18,41,.85) 22%,rgba(8,18,41,.85) 78%,rgba(8,18,41,0) 100%)}
.section-head{max-width:760px;margin-bottom:34px}
.section-head--split{max-width:none;display:grid;grid-template-columns:1.1fr .9fr;gap:30px;align-items:end}
.section-title{font-size:clamp(23px,2.7vw,32px);margin-bottom:12px}
.section-sub{color:var(--muted);font-size:15.5px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:1.1px;text-transform:uppercase;
  color:var(--cyan-soft);background:rgba(37,99,235,.14);
  border:1px solid var(--line);border-radius:999px;padding:6px 14px;margin-bottom:16px;
}
.eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px var(--cyan);display:inline-block}
.text-glow{color:var(--cyan-soft)}
.divider{height:1px;background:linear-gradient(90deg,transparent,var(--line-strong),transparent);margin:0}

/* ============ HEADER ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(3,7,18,.85);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:20px;min-height:74px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;font-size:19px;
  background:linear-gradient(135deg,var(--primary),var(--cyan));
  box-shadow:0 0 20px rgba(56,189,248,.45);
}
.brand-text{font-size:15px;font-weight:700;line-height:1.15;white-space:nowrap}
.brand-text em{display:block;font-style:normal;font-size:11px;font-weight:500;color:var(--muted);letter-spacing:.3px}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-link{
  padding:9px 14px;border-radius:10px;font-size:14px;font-weight:500;color:var(--muted);
  transition:color .2s,background .2s;white-space:nowrap;
}
.nav-link:hover{color:var(--text);background:rgba(56,189,248,.1)}
.nav-link.active{color:var(--cyan-soft);background:rgba(37,99,235,.2);box-shadow:inset 0 0 0 1px rgba(56,189,248,.25)}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:rgba(15,30,58,.7);color:var(--text);font-size:18px;cursor:pointer;
  align-items:center;justify-content:center;
}

/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 20px;border-radius:12px;font-size:14px;font-weight:600;
  border:1px solid transparent;cursor:pointer;
  transition:transform .22s,box-shadow .22s,background .22s,color .22s,border-color .22s;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--cyan));color:#04101f;
  box-shadow:0 0 22px rgba(56,189,248,.35);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 32px rgba(56,189,248,.65);color:#04101f;background:linear-gradient(135deg,var(--primary-2),var(--cyan))}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{color:#cbd5e1;border-color:rgba(148,163,184,.3);background:transparent}
.btn-ghost:hover{color:#fff;border-color:var(--cyan);background:rgba(56,189,248,.08)}
.btn-outline{color:var(--cyan-soft);border-color:rgba(56,189,248,.45);background:rgba(56,189,248,.06)}
.btn-outline:hover{background:rgba(56,189,248,.16);color:#fff;transform:translateY(-2px)}
.btn-lg{padding:14px 26px;font-size:15px;border-radius:14px}

/* ============ HERO ============ */
.hero{position:relative;overflow:hidden;padding:82px 0 70px;border-bottom:1px solid var(--line)}
.hero-bg{
  position:absolute;inset:0;
  background-size:cover;background-position:center;
  opacity:.28;filter:saturate(.9);
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(900px 480px at 12% 0%,rgba(37,99,235,.42),transparent 62%),
    radial-gradient(760px 420px at 92% 20%,rgba(56,189,248,.28),transparent 60%),
    linear-gradient(180deg,rgba(3,7,18,.72) 0%,rgba(3,7,18,.94) 70%,var(--bg) 100%);
}
.hero .container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.35fr .85fr;gap:48px;align-items:center}
.hero h1{font-size:clamp(28px,4.1vw,46px);font-weight:800;margin-bottom:20px;letter-spacing:-.6px}
.hero-lead{color:#cbd5e1;font-size:16.5px;max-width:640px;margin-bottom:28px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.hero-stat{
  padding:14px 16px;border-radius:var(--radius-sm);
  background:rgba(8,18,41,.66);border:1px solid var(--line);
  backdrop-filter:blur(10px);
}
.hero-stat b{display:block;font-size:20px;color:var(--cyan-soft);font-weight:700}
.hero-stat span{font-size:12.5px;color:var(--muted)}
.hero-panel{
  border-radius:22px;padding:26px;
  background:linear-gradient(160deg,rgba(15,30,58,.85),rgba(5,10,24,.85));
  border:1px solid rgba(251,191,36,.28);
  box-shadow:var(--shadow),0 0 34px rgba(251,191,36,.09);
  backdrop-filter:blur(14px);
}
.hero-panel-top{display:flex;align-items:center;gap:14px;margin-bottom:16px}
.hero-panel-icon{
  width:52px;height:52px;border-radius:50%;display:grid;place-items:center;font-size:22px;
  background:radial-gradient(circle at 32% 28%,#fde68a,#f59e0b 58%,#b45309);
  box-shadow:0 0 26px rgba(251,191,36,.45);color:#3b1d02;flex-shrink:0;
}
.hero-panel-top h3{font-size:16px;margin-bottom:3px}
.hero-panel-top span{font-size:12.5px;color:var(--gold);font-weight:600;letter-spacing:.5px}
.quick-list{display:grid;gap:0}
.quick-item{
  display:flex;gap:12px;align-items:flex-start;
  padding:12px 8px;border-top:1px solid rgba(56,189,248,.14);
  transition:background .22s,padding-left .22s;
}
.quick-item:first-child{border-top:0}
.quick-item:hover{background:rgba(56,189,248,.07);padding-left:14px}
.qi-icon{
  width:32px;height:32px;border-radius:9px;display:grid;place-items:center;
  background:rgba(37,99,235,.2);color:var(--cyan-soft);font-size:15px;flex-shrink:0;
}
.quick-item b{display:block;font-size:13.5px;font-weight:600}
.quick-item small{display:block;font-size:12px;color:var(--muted);line-height:1.5}

/* ============ METRICS ============ */
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.metric-card{
  padding:24px 22px;border-radius:var(--radius);
  background:var(--surface);border:1px solid var(--line);
  backdrop-filter:blur(12px);transition:transform .25s,border-color .25s,box-shadow .25s;
}
.metric-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--glow)}
.metric-card .m-label{font-size:12px;letter-spacing:.8px;text-transform:uppercase;color:var(--muted-2);font-weight:600}
.metric-card .m-value{font-size:30px;font-weight:800;color:var(--cyan-soft);line-height:1.2;margin:8px 0 6px}
.metric-card .m-note{font-size:13px;color:var(--muted)}

/* ============ FEATURES ============ */
.feature-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}
.feature-item{display:flex;gap:16px;padding:18px 0;border-top:1px solid rgba(56,189,248,.14)}
.feature-item:first-of-type{border-top:0;padding-top:0}
.feature-item .f-icon{
  width:44px;height:44px;border-radius:13px;display:grid;place-items:center;flex-shrink:0;
  background:linear-gradient(140deg,rgba(37,99,235,.35),rgba(56,189,248,.18));
  border:1px solid var(--line);font-size:19px;
}
.feature-item h3{font-size:16.5px;margin-bottom:6px}
.feature-item p{color:var(--muted);font-size:14.5px;margin:0}
.feature-media{position:relative;border-radius:22px;overflow:hidden;border:1px solid var(--line-strong);box-shadow:var(--shadow)}
.feature-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.feature-media figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:18px 20px;font-size:13.5px;color:#e2e8f0;
  background:linear-gradient(180deg,transparent,rgba(3,7,18,.92));
}

/* ============ MARKET / SERVICE MATRIX ============ */
.market-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.market-card{
  padding:24px;border-radius:var(--radius);
  background:linear-gradient(160deg,rgba(15,30,58,.6),rgba(6,13,30,.7));
  border:1px solid var(--line);
  transition:border-color .25s,transform .25s,box-shadow .25s;
  display:flex;flex-direction:column;
}
.market-card:hover{border-color:var(--line-strong);transform:translateY(-4px);box-shadow:var(--glow)}
.market-card .tag{
  align-self:flex-start;font-size:11px;font-weight:700;letter-spacing:.8px;text-transform:uppercase;
  padding:5px 11px;border-radius:999px;margin-bottom:14px;
  background:rgba(56,189,248,.14);color:var(--cyan-soft);border:1px solid var(--line);
}
.market-card h3{font-size:17.5px;margin-bottom:8px}
.market-card p{font-size:14px;color:var(--muted);margin-bottom:16px}
.market-meta{
  margin-top:auto;display:flex;justify-content:space-between;align-items:center;
  font-size:13px;color:var(--muted-2);padding-top:14px;border-top:1px dashed rgba(56,189,248,.2);
}
.market-meta b{color:var(--gold);font-weight:700}

/* ============ STEPS ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step}
.step{
  position:relative;padding:26px 22px 22px;border-radius:var(--radius);
  background:var(--surface-2);border:1px solid var(--line);
  transition:transform .25s,border-color .25s;
}
.step:hover{transform:translateY(-4px);border-color:var(--line-strong)}
.step::before{
  counter-increment:step;content:"0" counter(step);
  display:block;font-size:26px;font-weight:800;color:rgba(56,189,248,.35);margin-bottom:12px;
  letter-spacing:-1px;
}
.step h3{font-size:16px;margin-bottom:8px}
.step p{font-size:14px;color:var(--muted);margin:0}

/* ============ MATCH LIST ============ */
.match-board{
  border-radius:var(--radius);border:1px solid var(--line);
  background:var(--surface-2);overflow:hidden;
}
.match-head,
.match-row{
  display:grid;grid-template-columns:96px 1.5fr .8fr .8fr 110px;
  gap:14px;align-items:center;padding:16px 22px;
}
.match-head{
  font-size:11.5px;letter-spacing:1px;text-transform:uppercase;color:var(--muted-2);
  font-weight:700;background:rgba(37,99,235,.14);border-bottom:1px solid var(--line);
}
.match-row{border-bottom:1px solid rgba(56,189,248,.1);transition:background .22s}
.match-row:last-child{border-bottom:0}
.match-row:hover{background:rgba(56,189,248,.06)}
.match-time{font-weight:700;color:var(--cyan-soft);font-size:14.5px}
.match-time small{display:block;font-size:11.5px;color:var(--muted-2);font-weight:500}
.match-teams{font-size:15px;font-weight:600}
.match-teams small{display:block;font-size:12.5px;color:var(--muted);font-weight:400}
.match-cell{font-size:14px;color:#cbd5e1}
.match-cell b{color:var(--gold);font-weight:700}
.pill{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;
  padding:5px 11px;border-radius:999px;border:1px solid var(--line);color:var(--cyan-soft);
  background:rgba(56,189,248,.1);
}
.pill--hot{color:#fecaca;border-color:rgba(248,113,113,.4);background:rgba(239,68,68,.14)}

/* ============ COMPARE ============ */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.compare-col{
  padding:26px 24px;border-radius:var(--radius);
  background:var(--surface);border:1px solid var(--line);
}
.compare-col--pro{border-left:3px solid var(--cyan)}
.compare-col--con{border-left:3px solid rgba(148,163,184,.5)}
.compare-col h3{font-size:17px;margin-bottom:16px;display:flex;align-items:center;gap:9px}
.compare-col ul{display:grid;gap:12px}
.compare-col li{display:flex;gap:10px;font-size:14.5px;color:#cbd5e1;align-items:flex-start;line-height:1.6}
.compare-col li::before{
  content:"✓";color:var(--cyan);font-weight:700;flex-shrink:0;
}
.compare-col--con li::before{content:"✕";color:var(--muted-2)}

/* ============ MILESTONES ============ */
.timeline{position:relative;padding-left:34px}
.timeline::before{content:"";position:absolute;left:9px;top:6px;bottom:6px;width:2px;background:linear-gradient(180deg,var(--cyan),rgba(56,189,248,.05))}
.timeline-item{position:relative;padding:0 0 28px}
.timeline-item:last-child{padding-bottom:0}
.timeline-item::before{
  content:"";position:absolute;left:-30px;top:6px;width:12px;height:12px;border-radius:50%;
  background:var(--bg);border:2px solid var(--cyan);box-shadow:0 0 12px rgba(56,189,248,.7);
}
.timeline-item .tl-time{font-size:12px;letter-spacing:.8px;text-transform:uppercase;color:var(--cyan-soft);font-weight:700}
.timeline-item h3{font-size:16.5px;margin:6px 0 6px}
.timeline-item p{font-size:14.5px;color:var(--muted);margin:0}

/* ============ CHANNEL MATRIX ============ */
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.channel-card{
  display:block;padding:26px 24px;border-radius:var(--radius);
  background:linear-gradient(150deg,rgba(15,30,58,.72),rgba(6,13,30,.78));
  border:1px solid var(--line);
  transition:transform .25s,border-color .25s,box-shadow .25s;
}
.channel-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:var(--glow)}
.channel-card .ch-icon{font-size:22px;margin-bottom:14px;display:block}
.channel-card h3{font-size:17.5px;margin-bottom:8px}
.channel-card p{font-size:14px;color:var(--muted);margin-bottom:16px}
.channel-card .ch-link{font-size:13.5px;font-weight:600;color:var(--cyan-soft);display:inline-flex;align-items:center;gap:6px}
.channel-card:hover .ch-link{gap:10px}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:14px;max-width:920px}
.faq-item{
  border-radius:var(--radius-sm);border:1px solid var(--line);
  background:var(--surface);overflow:hidden;transition:border-color .25s;
}
.faq-item[open]{border-color:var(--line-strong);box-shadow:0 0 22px rgba(56,189,248,.12)}
.faq-item summary{
  cursor:pointer;list-style:none;padding:18px 22px;font-size:15.5px;font-weight:600;
  display:flex;justify-content:space-between;align-items:center;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";color:var(--cyan-soft);font-size:20px;font-weight:700;flex-shrink:0}
.faq-item[open] summary::after{content:"–"}
.faq-item summary:hover{background:rgba(56,189,248,.07)}
.faq-body{padding:0 22px 20px;color:var(--muted);font-size:14.5px;line-height:1.7}

/* ============ CTA / FORM ============ */
.cta-section{padding:0 0 80px}
.cta-panel{
  position:relative;overflow:hidden;border-radius:24px;padding:48px;
  background:linear-gradient(140deg,rgba(37,99,235,.28),rgba(8,18,41,.92) 55%,rgba(56,189,248,.16));
  border:1px solid var(--line-strong);
  box-shadow:var(--shadow);
}
.cta-panel::after{
  content:"";position:absolute;right:-90px;top:-90px;width:300px;height:300px;border-radius:50%;
  background:radial-gradient(circle,rgba(56,189,248,.28),transparent 68%);
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:.95fr 1.05fr;gap:40px;align-items:center}
.cta-inner h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:14px}
.cta-inner p{color:#cbd5e1;font-size:15px}
.signup-form{display:grid;gap:12px}
.form-row{display:grid;grid-template-columns:1.3fr 1fr;gap:12px}
.form-input{
  width:100%;padding:13px 16px;border-radius:12px;
  background:rgba(3,7,18,.72);border:1px solid var(--line);color:var(--text);
  font-size:14.5px;transition:border-color .22s,box-shadow .22s;
}
.form-input::placeholder{color:var(--muted-2)}
.form-input:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(56,189,248,.18);outline:none}
.signup-form .btn{width:100%}
.form-note{font-size:12.5px;color:var(--muted-2);margin:0}
.form-msg{
  font-size:13.5px;color:#bbf7d0;background:rgba(16,185,129,.14);
  border:1px solid rgba(16,185,129,.4);border-radius:10px;padding:11px 14px;margin:0;
}

/* ============ FOOTER ============ */
.site-footer{
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(8,18,41,.35),rgba(3,7,18,.95));
  padding:58px 0 26px;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;margin-bottom:38px}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.footer-brand .brand-text{white-space:normal}
.footer-desc{font-size:13.5px;color:var(--muted);max-width:400px}
.badge-18{
  display:inline-block;margin-top:10px;font-size:12px;font-weight:600;color:#fde68a;
  background:rgba(251,191,36,.12);border:1px solid rgba(251,191,36,.32);
  border-radius:999px;padding:6px 13px;
}
.footer-col h4{font-size:13px;letter-spacing:.9px;text-transform:uppercase;color:#e2e8f0;margin-bottom:16px}
.footer-col ul{display:grid;gap:11px}
.footer-col a,.footer-col span{font-size:13.5px;color:var(--muted);transition:color .2s}
.footer-col a:hover{color:var(--cyan-soft)}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding-top:22px;border-top:1px solid rgba(56,189,248,.14);
  font-size:12.5px;color:var(--muted-2);
}

/* ============ FAB ============ */
.fab-support{
  position:fixed;left:16px;bottom:96px;z-index:50;
  display:inline-flex;align-items:center;gap:10px;
  min-height:56px;padding:0 18px;border-radius:999px;
  background:rgba(7,12,28,.82);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border:1px solid transparent;
  background-image:linear-gradient(rgba(7,12,28,.86),rgba(7,12,28,.86)),
    linear-gradient(120deg,var(--cyan),var(--primary));
  background-origin:border-box;background-clip:padding-box,border-box;
  box-shadow:0 0 20px rgba(6,182,212,.45);
  font-size:13.5px;font-weight:600;color:#e0f2fe;
  animation:fabPulse 3s ease-in-out infinite;
}
.fab-support i{font-style:normal;font-size:17px;animation:fabFloat 2.6s ease-in-out infinite}
.fab-support:hover{transform:scale(1.06);box-shadow:0 0 30px rgba(56,189,248,.75);color:#fff}
.fab-support:active{transform:scale(.96)}
.fab-support .fab-dot{
  position:absolute;top:6px;right:10px;width:9px;height:9px;border-radius:50%;
  background:#ef4444;box-shadow:0 0 8px #ef4444;
}
@keyframes fabPulse{0%,100%{box-shadow:0 0 16px rgba(6,182,212,.35)}50%{box-shadow:0 0 28px rgba(6,182,212,.7)}}
@keyframes fabFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-3px)}}

/* ============ RESPONSIVE ============ */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .metric-grid{grid-template-columns:repeat(2,1fr)}
  .feature-grid{grid-template-columns:1fr;gap:32px}
  .market-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .channel-grid{grid-template-columns:1fr;gap:16px}
  .cta-inner{grid-template-columns:1fr;gap:28px}
  .section-head--split{grid-template-columns:1fr;gap:12px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .match-head,.match-row{grid-template-columns:80px 1.4fr .8fr .8fr;padding:14px 18px}
  .match-head span:nth-child(5),.match-row .match-status{display:none}
}
@media (max-width:860px){
  .main-nav{
    position:absolute;top:74px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;
    background:rgba(3,7,18,.98);border-bottom:1px solid var(--line);
    padding:14px 20px 20px;display:none;
  }
  .main-nav.is-open{display:flex}
  .nav-link{padding:12px 14px;font-size:15px}
  .nav-toggle{display:inline-flex}
  .header-actions .btn-ghost{display:inline-flex}
  .section{padding:58px 0}
  .hero{padding:56px 0 52px}
}
@media (max-width:768px){
  .metric-grid,.market-grid,.steps,.compare-grid{grid-template-columns:1fr}
  .match-head{display:none}
  .match-row{grid-template-columns:1fr;gap:8px;padding:16px 18px}
  .match-row .match-cell{display:flex;justify-content:space-between;gap:12px}
  .match-row .match-cell::before{content:attr(data-label);color:var(--muted-2);font-size:12.5px}
  .cta-panel{padding:32px 22px}
  .form-row{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .brand-text{font-size:13.5px}
  .brand-text em{font-size:10px}
  .hero h1{font-size:26px}
  .hero-stats{grid-template-columns:1fr 1fr;gap:10px}
  .hero-cta .btn{width:100%}
  .section-title{font-size:22px}
  .hero-panel{padding:20px}
  .metric-card .m-value{font-size:25px}
  .fab-support span.fab-label{display:none}
  .fab-support{width:56px;padding:0;justify-content:center}
}

/* roulang page: category3 */
:root{
  --bg:#030712;
  --bg-2:#081229;
  --bg-3:#0b1a38;
  --surface:rgba(15,30,58,.55);
  --surface-2:rgba(11,26,56,.72);
  --line:rgba(56,189,248,.18);
  --line-strong:rgba(56,189,248,.42);
  --primary:#2563eb;
  --primary-2:#3b82f6;
  --cyan:#38bdf8;
  --cyan-soft:#7dd3fc;
  --gold:#fbbf24;
  --text:#f8fafc;
  --muted:#94a3b8;
  --muted-2:#64748b;
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 22px 48px -26px rgba(2,8,25,.95);
  --glow:0 0 26px rgba(56,189,248,.35);
  --max:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:'Be Vietnam Pro',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Arial,sans-serif;
  background: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}
a{color:inherit;text-decoration:none;transition:color .2s}
a:hover{color:var(--cyan-soft)}
button,input,select,textarea{font:inherit;color:inherit}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0 0 14px;font-weight:700;line-height:1.28;letter-spacing:-.3px}
p{margin:0 0 14px}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 20px}
.section{padding:74px 0;position:relative}
.section--alt{background:linear-gradient(180deg,rgba(8,18,41,0) 0%,rgba(8,18,41,.85) 22%,rgba(8,18,41,.85) 78%,rgba(8,18,41,0) 100%)}
.section-head{max-width:760px;margin-bottom:38px}
.section-head h2{font-size:clamp(23px,2.7vw,34px);margin-bottom:12px}
.section-head p{color:var(--muted);margin:0;font-size:15.5px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:1.1px;text-transform:uppercase;
  color:var(--cyan-soft);background:rgba(37,99,235,.14);
  border:1px solid var(--line);border-radius:999px;padding:6px 14px;margin-bottom:16px;
}
.eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px var(--cyan);display:inline-block}
.text-glow{color:var(--cyan-soft)}
.lead{color:#cbd5e1;font-size:16.5px}

/* ============ HEADER ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(3,7,18,.85);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:20px;min-height:74px;position:relative}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;font-size:19px;
  background:linear-gradient(135deg,var(--primary),var(--cyan));
  box-shadow:0 0 20px rgba(56,189,248,.45);
}
.brand-text{font-size:15px;font-weight:700;line-height:1.15;white-space:nowrap}
.brand-text em{display:block;font-style:normal;font-size:11px;font-weight:500;color:var(--muted);letter-spacing:.3px}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-link{
  padding:9px 14px;border-radius:10px;font-size:14px;font-weight:500;color:var(--muted);
  transition:color .2s,background .2s;white-space:nowrap;
}
.nav-link:hover{color:var(--text);background:rgba(56,189,248,.1)}
.nav-link.active{color:var(--cyan-soft);background:rgba(37,99,235,.2);box-shadow:inset 0 0 0 1px rgba(56,189,248,.25)}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:rgba(15,30,58,.7);color:var(--text);font-size:18px;cursor:pointer;
  align-items:center;justify-content:center;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 20px;border-radius:12px;font-size:14px;font-weight:600;
  border:1px solid transparent;cursor:pointer;transition:transform .22s,box-shadow .22s,background .22s,color .22s;
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--cyan));color:#04101f;
  box-shadow:0 0 22px rgba(56,189,248,.35);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 32px rgba(56,189,248,.65);color:#04101f}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{color:#cbd5e1;border-color:rgba(148,163,184,.3);background:transparent}
.btn-ghost:hover{color:#fff;border-color:var(--cyan);background:rgba(56,189,248,.08)}
.btn-outline{color:var(--cyan-soft);border-color:rgba(56,189,248,.45);background:rgba(56,189,248,.06)}
.btn-outline:hover{background:rgba(56,189,248,.16);color:#fff;transform:translateY(-2px)}
.btn-lg{padding:14px 26px;font-size:15px;border-radius:14px}
.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{
  outline:2px solid var(--cyan);outline-offset:2px;
}

/* ============ HERO ============ */
.hero{position:relative;overflow:hidden;padding:76px 0 66px;border-bottom:1px solid var(--line)}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.26;filter:saturate(.9)}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(56,189,248,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(56,189,248,.06) 1px,transparent 1px);
  background-size:70px 70px;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(900px 480px at 10% 0%,rgba(37,99,235,.42),transparent 62%),
    radial-gradient(760px 420px at 94% 18%,rgba(56,189,248,.26),transparent 60%),
    linear-gradient(180deg,rgba(3,7,18,.74) 0%,rgba(3,7,18,.94) 70%,var(--bg) 100%);
}
.hero .container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.3fr .9fr;gap:48px;align-items:start}
.hero h1{font-size:clamp(27px,4vw,46px);font-weight:800;margin-bottom:20px;letter-spacing:-.6px}
.hero-lead{color:#cbd5e1;font-size:16.5px;max-width:640px;margin-bottom:26px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px}

/* node bar */
.node-bar{margin-top:38px}
.node-bar-title{font-size:12.5px;text-transform:uppercase;letter-spacing:1px;color:var(--muted);margin-bottom:14px}
.nodes{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px;position:relative}
.node{
  border-radius:14px;padding:14px 14px 16px;background:rgba(8,18,41,.6);
  border:1px solid var(--line);position:relative;transition:border-color .25s,transform .25s,box-shadow .25s;
}
.node:hover{border-color:var(--line-strong);transform:translateY(-3px);box-shadow:var(--glow)}
.node span.dot{width:10px;height:10px;border-radius:50%;display:block;margin-bottom:10px;background:var(--cyan);box-shadow:0 0 12px var(--cyan)}
.node b{display:block;font-size:13.5px;font-weight:600;line-height:1.4;margin-bottom:4px}
.node small{font-size:11.5px;color:var(--muted-2);letter-spacing:.2px}
.node.is-done .dot{background:#10b981;box-shadow:0 0 12px #10b981}
.node.is-live .dot{background:var(--gold);box-shadow:0 0 14px var(--gold);animation:pulse 1.9s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(1.25)}}

/* subscribe panel */
.sub-panel{
  border-radius:22px;padding:26px;
  background:linear-gradient(160deg,rgba(15,30,58,.85),rgba(5,10,24,.85));
  border:1px solid rgba(56,189,248,.3);
  box-shadow:var(--shadow),0 0 34px rgba(56,189,248,.1);
  backdrop-filter:blur(14px);
}
.sub-panel h3{font-size:17px;margin-bottom:6px}
.sub-panel .sub-note{font-size:13.5px;color:var(--muted);margin-bottom:20px}
.sub-panel .form-row{display:flex;gap:10px;flex-wrap:wrap}
.sub-panel input[type=email]{
  flex:1 1 180px;min-width:0;padding:13px 15px;border-radius:12px;
  background:rgba(3,7,18,.65);border:1px solid var(--line);color:var(--text);
  transition:border-color .2s,box-shadow .2s;
}
.sub-panel input[type=email]:focus{outline:none;border-color:var(--line-strong);box-shadow:0 0 0 3px rgba(56,189,248,.16)}
.sub-panel .mini{margin:16px 0 0;font-size:12.5px;color:var(--muted-2)}
.sub-feedback{margin-top:12px;font-size:13.5px;color:var(--cyan-soft);display:none}
.sub-feedback.is-visible{display:block}

/* ============ STATS / METRICS ============ */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:34px}
.stat-card{
  border-radius:var(--radius);padding:22px;background:var(--surface);
  border:1px solid var(--line);backdrop-filter:blur(12px);
  transition:border-color .25s,transform .25s,box-shadow .25s;
}
.stat-card:hover{border-color:var(--line-strong);transform:translateY(-4px);box-shadow:var(--shadow)}
.stat-card b{display:block;font-size:clamp(22px,2.6vw,30px);font-weight:800;color:var(--cyan-soft);line-height:1.2}
.stat-card span{display:block;font-size:13px;color:var(--muted);margin-top:6px}
.stat-card em{font-style:normal;font-size:11px;letter-spacing:.8px;text-transform:uppercase;color:var(--gold);font-weight:600}

.metric-split{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center}
.metric-list{display:grid;gap:18px}
.metric-row .metric-label{display:flex;justify-content:space-between;font-size:14px;color:#cbd5e1;margin-bottom:8px}
.metric-row .metric-label b{color:var(--cyan-soft);font-weight:700}
.bar{height:8px;border-radius:999px;background:rgba(148,163,184,.16);overflow:hidden}
.bar span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--primary),var(--cyan));box-shadow:0 0 14px rgba(56,189,248,.5)}
.media-frame{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
.media-frame img{width:100%;height:100%;object-fit:cover}

/* ============ CHANNEL MATRIX ============ */
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.channel-card{
  display:block;border-radius:var(--radius);padding:26px;
  background:linear-gradient(165deg,rgba(15,30,58,.7),rgba(5,10,24,.7));
  border:1px solid var(--line);position:relative;overflow:hidden;
  transition:transform .28s,border-color .28s,box-shadow .28s;
}
.channel-card::after{
  content:"";position:absolute;inset:0;opacity:0;transition:opacity .3s;
  background:radial-gradient(420px 220px at 80% 0%,rgba(56,189,248,.22),transparent 65%);
}
.channel-card:hover{transform:translateY(-6px);border-color:var(--line-strong);box-shadow:var(--glow)}
.channel-card:hover::after{opacity:1}
.channel-card > *{position:relative;z-index:1}
.channel-icon{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;font-size:21px;margin-bottom:16px;
  background:rgba(37,99,235,.2);border:1px solid var(--line-strong);
}
.channel-card h3{font-size:17px;margin-bottom:10px}
.channel-card p{font-size:14px;color:var(--muted);margin:0 0 16px}
.channel-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}
.tag{
  font-size:11.5px;font-weight:600;letter-spacing:.4px;padding:5px 11px;border-radius:999px;
  color:var(--cyan-soft);background:rgba(56,189,248,.1);border:1px solid var(--line);
}
.tag.gold{color:#fde68a;background:rgba(251,191,36,.12);border-color:rgba(251,191,36,.3)}
.channel-more{font-size:13.5px;font-weight:600;color:var(--cyan-soft)}
.channel-card[aria-current="page"]{border-color:rgba(251,191,36,.45);box-shadow:0 0 30px rgba(251,191,36,.14)}

/* ============ TABLE ============ */
.table-wrap{
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  background:var(--surface);backdrop-filter:blur(12px);box-shadow:var(--shadow);
}
.table-scroll{overflow-x:auto}
.data-table{width:100%;border-collapse:collapse;font-size:14.5px;min-width:640px}
.data-table th{
  text-align:left;font-size:12px;text-transform:uppercase;letter-spacing:.8px;
  color:var(--cyan-soft);font-weight:600;padding:15px 18px;
  background:rgba(8,18,41,.75);border-bottom:1px solid var(--line-strong);white-space:nowrap;
}
.data-table td{padding:15px 18px;border-bottom:1px solid var(--line);color:#cbd5e1}
.data-table tbody tr{transition:background .2s}
.data-table tbody tr:hover{background:rgba(37,99,235,.12)}
.data-table tbody tr:last-child td{border-bottom:none}
.data-table td strong{color:var(--text)}
.pill-good{color:#6ee7b7;font-weight:600}
.pill-mid{color:var(--gold);font-weight:600}
.table-note{margin-top:14px;font-size:13px;color:var(--muted-2)}

/* ============ TIMELINE ============ */
.timeline{margin:0;padding:0 0 0 26px;border-left:2px solid rgba(56,189,248,.25);display:grid;gap:26px}
.timeline-item{position:relative}
.timeline-item::before{
  content:"";position:absolute;left:-35px;top:6px;width:16px;height:16px;border-radius:50%;
  background:var(--bg-2);border:2px solid var(--cyan);box-shadow:0 0 14px rgba(56,189,248,.65);
}
.timeline-item b{display:block;font-size:12px;letter-spacing:.9px;text-transform:uppercase;color:var(--gold);margin-bottom:6px}
.timeline-item h3{font-size:17px;margin-bottom:8px}
.timeline-item p{margin:0;color:var(--muted);font-size:14.5px}

/* ============ NEWS LIST ============ */
.news-card{
  height:100%;border-radius:var(--radius);padding:24px;background:var(--surface);
  border:1px solid var(--line);backdrop-filter:blur(12px);display:flex;flex-direction:column;
  transition:transform .26s,border-color .26s,box-shadow .26s;
}
.news-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:var(--glow)}
.news-card h3{font-size:16.5px;margin-bottom:12px}
.news-card h3 a{display:block;transition:color .2s}
.news-card h3 a:hover{color:var(--cyan-soft)}
.news-card p{font-size:14px;color:var(--muted);flex:1}
.news-meta{display:flex;justify-content:space-between;align-items:center;gap:12px;padding-top:14px;border-top:1px solid var(--line);font-size:12.5px;color:var(--muted-2)}
.empty-note{
  border:1px dashed var(--line-strong);border-radius:var(--radius);padding:26px;
  color:var(--muted);background:rgba(8,18,41,.5);
}

/* ============ GUARANTEE ============ */
.guarantee-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.guarantee-item{
  display:flex;gap:16px;padding:22px;border-radius:var(--radius-sm);
  background:rgba(8,18,41,.55);border:1px solid var(--line);
  transition:border-color .25s,background .25s;
}
.guarantee-item:hover{border-color:var(--line-strong);background:rgba(11,26,56,.75)}
.guarantee-item .gi-icon{
  flex-shrink:0;width:42px;height:42px;border-radius:12px;display:grid;place-items:center;font-size:19px;
  background:rgba(37,99,235,.2);border:1px solid var(--line-strong);
}
.guarantee-item h3{font-size:15.5px;margin-bottom:7px}
.guarantee-item p{margin:0;font-size:13.8px;color:var(--muted)}

/* ============ QUICK ANSWERS ============ */
.quick-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.quick-card{padding:24px;border-radius:var(--radius);border:1px solid var(--line);background:linear-gradient(170deg,rgba(15,30,58,.6),rgba(5,10,24,.6))}
.quick-card h3{font-size:15.5px;margin-bottom:10px;color:var(--cyan-soft)}
.quick-card p{margin:0;font-size:14px;color:var(--muted)}

/* ============ FAQ ============ */
.faq-accordion{display:grid;gap:12px}
.faq-accordion .accordion-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm)!important;
  overflow:hidden;backdrop-filter:blur(12px);
}
.faq-accordion .accordion-button{
  background:transparent;color:var(--text);font-weight:600;font-size:15.5px;
  padding:18px 20px;box-shadow:none;line-height:1.5;
}
.faq-accordion .accordion-button:not(.collapsed){color:var(--cyan-soft);background:rgba(37,99,235,.16)}
.faq-accordion .accordion-button:focus{box-shadow:none;border-color:transparent}
.faq-accordion .accordion-button::after{filter:invert(72%) sepia(28%) saturate(1200%) hue-rotate(165deg)}
.faq-accordion .accordion-body{color:var(--muted);font-size:14.5px;line-height:1.7;padding:0 20px 20px;background:transparent}

/* ============ FORM ============ */
.form-section{
  border-radius:22px;padding:34px;
  background:linear-gradient(160deg,rgba(15,30,58,.85),rgba(5,10,24,.9));
  border:1px solid rgba(56,189,248,.3);
  box-shadow:var(--shadow),0 0 40px rgba(56,189,248,.1);
}
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-bottom:16px}
.field{display:flex;flex-direction:column;gap:7px}
.field.full{grid-column:1 / -1}
.field label{font-size:13px;color:var(--muted);font-weight:500}
.field input,.field select{
  width:100%;padding:13px 15px;border-radius:12px;background:rgba(3,7,18,.6);
  border:1px solid var(--line);transition:border-color .2s,box-shadow .2s;
}
.field select{cursor:pointer}
.field input:focus,.field select:focus{outline:none;border-color:var(--line-strong);box-shadow:0 0 0 3px rgba(56,189,248,.16)}
.form-foot{display:flex;flex-wrap:wrap;align-items:center;gap:16px;margin-top:8px}
.form-foot small{font-size:12.5px;color:var(--muted-2)}

/* ============ FAB ============ */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  display:inline-flex;align-items:center;gap:10px;
  padding:12px 18px;border-radius:999px;min-height:56px;
  background:rgba(7,7,13,.8);backdrop-filter:blur(12px);
  border:1px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.85),rgba(7,7,13,.85)),linear-gradient(120deg,var(--cyan),#a3e635);
  background-origin:border-box;background-clip:padding-box,border-box;
  box-shadow:0 0 20px rgba(6,182,212,.45);
  color:var(--text);font-size:13.5px;font-weight:600;opacity:.78;
  transition:opacity .25s,transform .25s,box-shadow .25s;
}
.fab:hover{opacity:1;transform:scale(1.06);box-shadow:0 0 30px rgba(6,182,212,.7);color:#fff}
.fab:active{transform:scale(.95)}
.fab .fab-icon{font-size:16px;animation:pulse 2.4s infinite}
.fab .fab-dot{
  position:absolute;top:8px;right:12px;width:9px;height:9px;border-radius:50%;
  background:#f43f5e;box-shadow:0 0 10px #f43f5e;animation:pulse 1.4s infinite;
}

/* ============ FOOTER ============ */
.site-footer{
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(8,18,41,.5),rgba(3,7,18,1));
  padding:60px 0 26px;margin-top:20px;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.footer-desc{font-size:13.8px;color:var(--muted);max-width:360px}
.badge-18{
  display:inline-flex;align-items:center;gap:8px;margin-top:12px;
  font-size:12px;font-weight:600;color:#fde68a;
  background:rgba(251,191,36,.1);border:1px solid rgba(251,191,36,.3);
  border-radius:999px;padding:6px 14px;
}
.footer-col h4{font-size:13px;text-transform:uppercase;letter-spacing:1px;color:var(--cyan-soft);margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col li{font-size:13.8px;color:var(--muted)}
.footer-col a{color:var(--muted)}
.footer-col a:hover{color:var(--cyan-soft)}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:12.8px;color:var(--muted-2);
}

/* ============ RESPONSIVE ============ */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .metric-split{grid-template-columns:1fr;gap:30px}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .channel-grid{grid-template-columns:repeat(2,1fr)}
  .quick-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .nodes{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media (max-width:900px){
  .nav-toggle{display:inline-flex}
  .main-nav{
    position:absolute;top:100%;left:0;right:0;margin:0;flex-direction:column;align-items:stretch;
    gap:4px;padding:14px;display:none;
    background:rgba(3,7,18,.98);border-bottom:1px solid var(--line);
  }
  .main-nav.open{display:flex}
  .nav-link{padding:12px 14px;font-size:15px}
  .brand-text{font-size:13.5px}
  .brand-text em{font-size:10px}
  .header-actions .btn{padding:10px 14px;font-size:13px}
}
@media (max-width:768px){
  .section{padding:56px 0}
  .hero{padding:56px 0 50px}
  .stat-grid{grid-template-columns:1fr}
  .channel-grid{grid-template-columns:1fr}
  .guarantee-grid{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .form-section{padding:24px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
  .nodes{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .hero h1{font-size:26px}
  .hero-cta .btn{width:100%}
  .header-inner{gap:12px}
  .brand-text{white-space:normal;max-width:150px}
  .nodes{grid-template-columns:1fr}
  .fab{left:12px;bottom:88px;padding:10px 14px;font-size:12.5px}
  .data-table{font-size:13.5px}
  .data-table th,.data-table td{padding:12px 14px}
}

/* roulang page: category2 */
/* ================= DESIGN TOKENS ================= */
:root{
  --bg:#030712;
  --bg-2:#081229;
  --bg-3:#0b1a38;
  --surface:rgba(15,30,58,.55);
  --surface-2:rgba(11,26,56,.72);
  --line:rgba(56,189,248,.18);
  --line-strong:rgba(56,189,248,.42);
  --primary:#2563eb;
  --primary-2:#3b82f6;
  --cyan:#38bdf8;
  --cyan-soft:#7dd3fc;
  --gold:#fbbf24;
  --text:#f8fafc;
  --muted:#94a3b8;
  --muted-2:#64748b;
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 22px 48px -26px rgba(2,8,25,.95);
  --glow:0 0 26px rgba(56,189,248,.35);
  --max:1200px;
  --font:'Be Vietnam Pro',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Arial,sans-serif;
}

/* ================= BASE / RESET ================= */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.65;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  background-image:
    radial-gradient(1100px 600px at 88% -12%,rgba(37,99,235,.20),transparent 62%),
    radial-gradient(900px 520px at 2% 16%,rgba(56,189,248,.12),transparent 64%);
  background-attachment:fixed;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease,background .2s ease,opacity .2s ease}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,h5{margin:0 0 14px;line-height:1.3;font-weight:700;letter-spacing:-.4px}
h1{font-size:clamp(27px,3.6vw,44px);font-weight:800}
h2{font-size:clamp(22px,2.7vw,32px)}
h3{font-size:18px}
p{margin:0 0 16px;color:#cbd5e1}
strong{color:var(--text)}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:8px}
::selection{background:rgba(56,189,248,.35);color:#fff}

/* ================= LAYOUT ================= */
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 20px}
.section{padding:74px 0;position:relative}
.section--alt{
  background:linear-gradient(180deg,rgba(8,18,41,0) 0%,rgba(8,18,41,.86) 20%,rgba(8,18,41,.86) 80%,rgba(8,18,41,0) 100%);
}
.section--tight{padding:52px 0}
.sec-head{max-width:760px;margin-bottom:38px}
.sec-head p{margin-bottom:0;font-size:15.5px}
.section-title-row{display:flex;align-items:flex-end;justify-content:space-between;gap:26px;flex-wrap:wrap;margin-bottom:34px}
.section-title-row .sec-head{margin-bottom:0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:1.1px;text-transform:uppercase;
  color:var(--cyan-soft);background:rgba(37,99,235,.14);
  border:1px solid var(--line);border-radius:999px;padding:6px 14px;margin-bottom:16px;
}
.eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px var(--cyan);display:inline-block}
.lead{font-size:16.5px;color:#cbd5e1}
.text-cyan{color:var(--cyan-soft)}
.divider{height:1px;background:linear-gradient(90deg,transparent,var(--line-strong),transparent);margin:0}

/* ================= HEADER ================= */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(3,7,18,.86);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:20px;min-height:74px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;font-size:19px;
  background:linear-gradient(135deg,var(--primary),var(--cyan));
  box-shadow:0 0 20px rgba(56,189,248,.45);
}
.brand-text{font-size:15px;font-weight:700;line-height:1.15;white-space:nowrap}
.brand-text em{display:block;font-style:normal;font-size:11px;font-weight:500;color:var(--muted);letter-spacing:.3px}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-link{
  padding:9px 14px;border-radius:10px;font-size:14px;font-weight:500;color:var(--muted);
  transition:color .2s,background .2s;white-space:nowrap;
}
.nav-link:hover{color:var(--text);background:rgba(56,189,248,.10)}
.nav-link.active{color:var(--cyan-soft);background:rgba(37,99,235,.20);box-shadow:inset 0 0 0 1px rgba(56,189,248,.25)}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:rgba(15,30,58,.7);color:var(--text);font-size:18px;cursor:pointer;
  align-items:center;justify-content:center;
}

/* ================= BUTTONS ================= */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 20px;border-radius:12px;font-size:14px;font-weight:600;
  border:1px solid transparent;cursor:pointer;
  transition:transform .22s,box-shadow .22s,background .22s,color .22s,border-color .22s;
  white-space:nowrap;
}
.btn i{font-size:13px}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--cyan));color:#04101f;
  box-shadow:0 0 22px rgba(56,189,248,.35);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 32px rgba(56,189,248,.65);color:#04101f}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{color:#cbd5e1;border-color:rgba(148,163,184,.3);background:transparent}
.btn-ghost:hover{color:#fff;border-color:var(--cyan);background:rgba(56,189,248,.08)}
.btn-outline{color:var(--cyan-soft);border-color:rgba(56,189,248,.45);background:rgba(56,189,248,.06)}
.btn-outline:hover{background:rgba(56,189,248,.16);color:#fff;transform:translateY(-2px)}
.btn-lg{padding:14px 26px;font-size:15px;border-radius:14px}
.btn-block{width:100%}

/* ================= HERO (BEFORE / AFTER) ================= */
.cat-hero{position:relative;overflow:hidden;padding:70px 0 66px;border-bottom:1px solid var(--line)}
.cat-hero-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:.26;filter:saturate(.85);
}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(880px 460px at 10% 0%,rgba(37,99,235,.44),transparent 62%),
    radial-gradient(760px 420px at 94% 18%,rgba(56,189,248,.26),transparent 60%),
    linear-gradient(180deg,rgba(3,7,18,.74) 0%,rgba(3,7,18,.95) 72%,var(--bg) 100%);
}
.cat-hero .container{position:relative;z-index:2}
.crumb{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--muted);margin-bottom:16px}
.crumb a:hover{color:var(--cyan-soft)}
.crumb span{color:var(--muted-2)}
.cat-hero-head{max-width:820px;margin-bottom:40px}
.cat-hero-head .lead{max-width:720px;margin-bottom:0}
.compare-grid{display:grid;grid-template-columns:1fr 1.08fr;gap:24px;align-items:stretch}
.compare-col{
  border-radius:var(--radius);
  padding:26px 26px 24px;
  border:1px solid var(--line);
  background:var(--surface-2);
  backdrop-filter:blur(12px);
}
.compare-col h3{font-size:17px;margin-bottom:18px}
.compare-col--before{opacity:.9}
.compare-col--after{
  border-color:rgba(56,189,248,.5);
  background:linear-gradient(160deg,rgba(15,30,58,.92),rgba(6,12,28,.9));
  box-shadow:var(--shadow),0 0 34px rgba(56,189,248,.14);
}
.compare-tag{
  display:inline-flex;align-items:center;gap:7px;
  font-size:11.5px;font-weight:700;letter-spacing:.9px;text-transform:uppercase;
  padding:5px 12px;border-radius:999px;margin-bottom:14px;
}
.compare-col--before .compare-tag{color:#fca5a5;background:rgba(239,68,68,.12);border:1px solid rgba(239,68,68,.28)}
.compare-col--after .compare-tag{color:#04101f;background:linear-gradient(135deg,var(--cyan),var(--primary));border:1px solid transparent}
.tick-list{display:grid;gap:12px}
.tick-list li{display:flex;gap:11px;align-items:flex-start;font-size:14.2px;color:#cbd5e1;line-height:1.55}
.tick-list li i{margin-top:3px;font-size:13px}
.tick-list--x li i{color:#f87171}
.tick-list--ok li i{color:var(--cyan)}
.compare-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}

/* ================= STATS / DASHBOARD ================= */
.live-row{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--muted);margin-bottom:22px}
.live-dot{width:9px;height:9px;border-radius:50%;background:#22c55e;box-shadow:0 0 0 0 rgba(34,197,94,.6);animation:pulse 2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(34,197,94,.55)}70%{box-shadow:0 0 0 10px rgba(34,197,94,0)}100%{box-shadow:0 0 0 0 rgba(34,197,94,0)}}
#liveTime{color:var(--cyan-soft);font-weight:600;font-variant-numeric:tabular-nums}
.stat-card{
  height:100%;
  border-radius:var(--radius-sm);
  border:1px solid var(--line);
  background:var(--surface);
  backdrop-filter:blur(10px);
  padding:20px 20px 18px;
  transition:transform .25s,border-color .25s,box-shadow .25s;
}
.stat-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:0 0 26px rgba(56,189,248,.16)}
.stat-value{font-size:26px;font-weight:800;color:var(--cyan-soft);line-height:1.2;font-variant-numeric:tabular-nums}
.stat-label{font-size:13.5px;font-weight:600;color:var(--text);margin-top:4px}
.stat-note{font-size:12.5px;color:var(--muted);margin-top:6px;margin-bottom:0;line-height:1.55}
.meter-block{margin-top:34px}
.meter-row{margin-bottom:18px}
.meter-top{display:flex;justify-content:space-between;font-size:13.5px;color:#cbd5e1;margin-bottom:8px}
.meter-top b{color:var(--cyan-soft);font-variant-numeric:tabular-nums}
.meter{height:9px;border-radius:999px;background:rgba(148,163,184,.16);overflow:hidden}
.meter span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--primary),var(--cyan));box-shadow:0 0 16px rgba(56,189,248,.5)}

/* ================= FEATURES ================= */
.feature-item{
  height:100%;
  padding:24px 22px;
  border-radius:var(--radius);
  border:1px solid var(--line);
  background:linear-gradient(170deg,rgba(15,30,58,.6),rgba(6,12,28,.55));
  transition:transform .25s,border-color .25s,box-shadow .25s;
}
.feature-item:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:0 0 28px rgba(56,189,248,.16)}
.feature-icon{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;font-size:18px;
  color:var(--cyan-soft);background:rgba(56,189,248,.12);
  border:1px solid var(--line-strong);margin-bottom:16px;
}
.feature-item h3{font-size:16.5px;margin-bottom:10px}
.feature-item p{font-size:14px;margin-bottom:0;color:var(--muted)}

/* ================= ODDS STRUCTURE ================= */
.odds-list{border-top:1px solid var(--line)}
.odds-row{
  display:grid;grid-template-columns:minmax(190px,240px) 1fr auto;
  gap:22px;align-items:center;
  padding:22px 6px;
  border-bottom:1px solid var(--line);
  transition:background .25s;
}
.odds-row:hover{background:rgba(56,189,248,.05)}
.odds-name{display:flex;align-items:center;gap:12px;font-weight:700;font-size:15.5px}
.odds-index{
  font-size:12px;font-weight:700;color:var(--cyan-soft);
  border:1px solid var(--line-strong);border-radius:8px;
  width:32px;height:32px;display:grid;place-items:center;flex-shrink:0;
  font-variant-numeric:tabular-nums;
}
.odds-desc{font-size:14px;color:var(--muted);margin:0}
.tag{
  display:inline-block;font-size:11.5px;font-weight:600;letter-spacing:.4px;
  padding:5px 11px;border-radius:999px;white-space:nowrap;
  color:var(--cyan-soft);background:rgba(56,189,248,.1);border:1px solid var(--line);
}
.tag--gold{color:#fcd34d;background:rgba(251,191,36,.1);border-color:rgba(251,191,36,.3)}

/* ================= SCENARIOS ================= */
.scenario-card{
  height:100%;
  border-radius:var(--radius);
  overflow:hidden;
  border:1px solid var(--line);
  background:var(--surface-2);
  backdrop-filter:blur(10px);
  transition:transform .28s,border-color .28s,box-shadow .28s;
}
.scenario-card:hover{transform:translateY(-6px);border-color:var(--line-strong);box-shadow:0 0 32px rgba(56,189,248,.18)}
.scenario-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-3)}
.scenario-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.scenario-card:hover .scenario-media img{transform:scale(1.05)}
.scenario-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(3,7,18,.1) 0%,rgba(3,7,18,.82) 100%);
}
.scenario-step{
  position:absolute;top:14px;left:14px;z-index:2;
  font-size:11.5px;font-weight:700;letter-spacing:.8px;text-transform:uppercase;
  padding:5px 11px;border-radius:999px;color:#04101f;
  background:linear-gradient(135deg,var(--cyan),var(--primary));
}
.scenario-body{padding:22px}
.scenario-body h3{font-size:16.5px;margin-bottom:10px}
.scenario-body p{font-size:14px;color:var(--muted);margin-bottom:0}

/* ================= COMPARISON TABLE ================= */
.table-wrap{
  border-radius:var(--radius);
  border:1px solid var(--line);
  background:var(--surface-2);
  overflow:hidden;
}
.cmp-table{width:100%;border-collapse:collapse;font-size:14px}
.cmp-table th,.cmp-table td{padding:16px 18px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
.cmp-table thead th{
  font-size:12px;letter-spacing:.9px;text-transform:uppercase;color:var(--cyan-soft);
  background:rgba(37,99,235,.14);font-weight:700;
}
.cmp-table tbody tr:last-child td{border-bottom:none}
.cmp-table tbody tr:hover{background:rgba(56,189,248,.06)}
.cmp-table td:first-child{font-weight:600;color:var(--text)}
.cmp-table td{color:var(--muted)}

/* ================= NEWS LIST ================= */
.news-card{
  height:100%;
  border-radius:var(--radius);
  border:1px solid var(--line);
  background:var(--surface);
  overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform .26s,border-color .26s,box-shadow .26s;
}
.news-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:0 0 26px rgba(56,189,248,.16)}
.news-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--bg-3)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.news-card:hover .news-thumb img{transform:scale(1.05)}
.news-body{padding:20px;display:flex;flex-direction:column;flex:1}
.news-meta{display:flex;flex-wrap:wrap;gap:10px;font-size:12px;color:var(--muted-2);margin-bottom:10px}
.news-meta .cat{color:var(--cyan-soft);font-weight:600}
.news-title{font-size:16px;font-weight:700;line-height:1.45;margin-bottom:10px}
.news-title a:hover{color:var(--cyan-soft)}
.news-excerpt{font-size:13.5px;color:var(--muted);margin-bottom:0}
.news-more{margin-top:28px;display:flex;justify-content:flex-start}
.empty-note{
  padding:26px;border-radius:var(--radius-sm);border:1px dashed var(--line-strong);
  background:rgba(15,30,58,.4);color:var(--muted);font-size:14px;margin:0;
}

/* ================= PLEDGE + TIMELINE ================= */
.pledge-item{display:flex;gap:14px;padding:20px 0;border-bottom:1px solid var(--line)}
.pledge-item:first-child{padding-top:0}
.pledge-item:last-child{border-bottom:none;padding-bottom:0}
.pledge-item i{color:var(--cyan);font-size:16px;margin-top:4px}
.pledge-item h4{font-size:15.5px;margin-bottom:6px}
.pledge-item p{font-size:14px;color:var(--muted);margin-bottom:0}
.timeline{position:relative;padding-left:26px}
.timeline::before{content:"";position:absolute;left:6px;top:6px;bottom:6px;width:1px;background:linear-gradient(180deg,var(--cyan),rgba(56,189,248,.05))}
.timeline li{position:relative;padding-bottom:24px}
.timeline li:last-child{padding-bottom:0}
.timeline li::before{
  content:"";position:absolute;left:-24px;top:6px;width:11px;height:11px;border-radius:50%;
  background:var(--bg);border:2px solid var(--cyan);box-shadow:0 0 12px rgba(56,189,248,.6);
}
.timeline b{display:block;font-size:15px;margin-bottom:5px}
.timeline span{font-size:13.8px;color:var(--muted);display:block}

/* ================= FAQ ================= */
.faq-list{display:grid;gap:12px}
.faq-item{
  border-radius:var(--radius-sm);
  border:1px solid var(--line);
  background:var(--surface);
  overflow:hidden;
  transition:border-color .25s,background .25s;
}
.faq-item[open]{border-color:var(--line-strong);background:rgba(15,30,58,.72)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 22px;
  display:flex;justify-content:space-between;align-items:center;gap:16px;
  font-size:15.5px;font-weight:600;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";font-size:20px;font-weight:500;color:var(--cyan);flex-shrink:0;line-height:1;
  transition:transform .25s;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item summary:hover{color:var(--cyan-soft)}
.faq-body{padding:0 22px 20px;font-size:14.5px;color:var(--muted);line-height:1.7}

/* ================= CTA ================= */
.cta-panel{
  border-radius:24px;
  border:1px solid rgba(56,189,248,.36);
  background:linear-gradient(150deg,rgba(15,30,58,.9),rgba(4,9,22,.94));
  box-shadow:var(--shadow),0 0 40px rgba(56,189,248,.12);
  padding:38px;
  display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;
}
.cta-panel h2{margin-bottom:14px}
.cta-panel .lead{margin-bottom:0;font-size:15.5px}
.cta-form{display:grid;gap:14px}
.field label{display:block;font-size:12.5px;font-weight:600;color:var(--muted);margin-bottom:7px;letter-spacing:.3px}
.field input,.field select{
  width:100%;padding:12px 14px;border-radius:12px;
  border:1px solid var(--line);background:rgba(3,7,18,.72);color:var(--text);
  font-size:14.5px;transition:border-color .2s,box-shadow .2s;
}
.field input::placeholder{color:var(--muted-2)}
.field input:focus,.field select:focus{
  outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(56,189,248,.16);
}
.field select option{background:#0b1a38;color:#f8fafc}
.form-note{font-size:12.5px;color:var(--muted-2);margin:2px 0 0}

/* ================= FOOTER ================= */
.site-footer{
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(8,18,41,.5),rgba(3,7,18,.98));
  padding:56px 0 26px;margin-top:10px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.footer-desc{font-size:13.5px;color:var(--muted);max-width:360px;margin-bottom:16px}
.badge-18{
  display:inline-block;font-size:12px;font-weight:600;color:#fca5a5;
  border:1px solid rgba(239,68,68,.35);background:rgba(239,68,68,.1);
  border-radius:999px;padding:6px 12px;
}
.footer-col h4{font-size:13px;letter-spacing:.9px;text-transform:uppercase;color:var(--cyan-soft);margin-bottom:16px}
.footer-col ul{display:grid;gap:11px}
.footer-col a,.footer-col span{font-size:13.8px;color:var(--muted)}
.footer-col a:hover{color:var(--cyan-soft)}
.footer-bottom{
  margin-top:38px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:12.5px;color:var(--muted-2);
}

/* ================= FAB ================= */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  display:inline-flex;align-items:center;gap:10px;
  min-height:56px;padding:0 20px 0 16px;border-radius:999px;
  background:rgba(7,7,13,.82);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.9),rgba(7,7,13,.9)),
                   linear-gradient(135deg,#a3e635,#06b6d4);
  background-origin:border-box;background-clip:padding-box,border-box;
  color:#e2e8f0;font-size:13.5px;font-weight:600;
  box-shadow:0 0 20px rgba(6,182,212,.45);
  opacity:.78;
  transition:opacity .25s,transform .25s,box-shadow .25s;
  animation:fabPulse 3.4s ease-in-out infinite;
}
.fab i{color:#7dd3fc;font-size:17px;transition:transform .5s,color .25s}
.fab:hover{opacity:1;transform:translateY(-2px) scale(1.04);box-shadow:0 0 34px rgba(6,182,212,.7);color:#fff}
.fab:hover i{transform:rotate(360deg);color:#a3e635}
.fab:active{transform:scale(.95) translateY(1px)}
.fab .dot{
  position:absolute;top:8px;right:12px;width:9px;height:9px;border-radius:50%;
  background:#ef4444;box-shadow:0 0 10px #ef4444;animation:blink 1.4s infinite;
}
@keyframes fabPulse{0%,100%{box-shadow:0 0 18px rgba(6,182,212,.4)}50%{box-shadow:0 0 30px rgba(6,182,212,.65)}}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.25}}

/* ================= RESPONSIVE ================= */
@media (max-width:1024px){
  .section{padding:62px 0}
  .hero-grid,.compare-grid,.cta-panel{grid-template-columns:1fr}
  .compare-grid{gap:18px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .odds-row{grid-template-columns:minmax(160px,200px) 1fr;row-gap:10px}
  .odds-row .tag{grid-column:2}
  .fab{left:14px;bottom:88px}
}
@media (max-width:900px){
  .header-inner{flex-wrap:wrap;padding:12px 0;gap:12px}
  .main-nav{
    order:3;width:100%;flex-direction:column;align-items:stretch;gap:4px;
    margin-left:0;display:none;padding:10px 0 6px;border-top:1px solid var(--line);
  }
  .main-nav.is-open{display:flex}
  .nav-link{padding:12px 14px;font-size:15px}
  .header-actions{margin-left:auto}
  .nav-toggle{display:flex}
  .header-inner{min-height:auto}
}
@media (max-width:768px){
  .section{padding:52px 0}
  .cat-hero{padding:52px 0 48px}
  .compare-col{padding:22px}
  .cta-panel{padding:26px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
  .cmp-table th,.cmp-table td{padding:13px 14px;font-size:13.3px}
}
@media (max-width:620px){
  .brand-text{font-size:13.5px}
  .brand-text em{font-size:10px}
  .btn-ghost{display:none}
  .odds-row{grid-template-columns:1fr;gap:10px;padding:20px 2px}
  .odds-row .tag{grid-column:auto;justify-self:start}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:6px}
  .fab{padding:0 16px;font-size:12.5px;bottom:80px}
  .stat-value{font-size:23px}
  .table-wrap{overflow-x:auto}
  .cmp-table{min-width:560px}
}

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}