/* roulang page: index */
:root{
  --bg:#030712;
  --bg-2:#081229;
  --bg-3:#0b1a3a;
  --surface:rgba(255,255,255,.045);
  --surface-2:rgba(255,255,255,.08);
  --line:rgba(96,165,250,.18);
  --line-strong:rgba(56,189,248,.45);
  --blue:#2563eb;
  --cyan:#38bdf8;
  --holo:#60a5fa;
  --gold:#fbbf24;
  --gold-2:#d4af37;
  --rose:#f43f5e;
  --green:#34d399;
  --text:#f8fafc;
  --muted:#94a3b8;
  --muted-2:#64748b;
  --radius:18px;
  --radius-sm:12px;
  --radius-lg:26px;
  --shadow:0 18px 45px rgba(2,6,23,.55);
  --glow:0 0 22px rgba(56,189,248,.35);
  --max:1200px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--text);
  font-family:'Be Vietnam Pro','Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background-image:linear-gradient(rgba(56,189,248,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(56,189,248,.045) 1px,transparent 1px);
  background-size:64px 64px;
  pointer-events:none;
  z-index:0;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
ul,ol{list-style:none}
h1,h2,h3,h4{line-height:1.25;font-weight:800;letter-spacing:-.01em}
h1{font-size:clamp(28px,4.4vw,50px)}
h2{font-size:clamp(23px,2.9vw,36px)}
h3{font-size:clamp(18px,1.6vw,22px)}
p{color:var(--muted)}
: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 22px;position:relative;z-index:1}
.section{padding:78px 0;position:relative;z-index:1}
.section.alt{background:linear-gradient(180deg,rgba(8,18,41,0),rgba(8,18,41,.85) 45%,rgba(8,18,41,0))}
.section.tint{background:linear-gradient(180deg,rgba(11,26,58,.55),rgba(3,7,18,0))}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--cyan);background:rgba(56,189,248,.1);
  border:1px solid var(--line-strong);border-radius:999px;padding:7px 15px;
}
.section-head{max-width:820px;margin-bottom:38px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head p{margin-top:14px;font-size:16.5px}
.section-head h2{margin-top:16px}
.lead{font-size:17px}
.grid{display:grid;gap:22px}
.g-2{grid-template-columns:repeat(2,1fr)}
.g-3{grid-template-columns:repeat(3,1fr)}
.g-4{grid-template-columns:repeat(4,1fr)}
.g-6{grid-template-columns:repeat(6,1fr)}
.split{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:48px;align-items:start}
.glass{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  transition:transform .3s ease,border-color .3s ease,box-shadow .3s ease,background .3s ease;
}
.glass:hover{border-color:var(--line-strong);box-shadow:var(--glow);transform:translateY(-4px)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:700;cursor:pointer;
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease,color .25s ease,border-color .25s ease;
}
.btn-primary{background:linear-gradient(135deg,var(--blue),var(--cyan));color:#03121f;box-shadow:0 0 20px rgba(56,189,248,.42)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 34px rgba(56,189,248,.68)}
.btn-primary:active{transform:translateY(1px) scale(.985)}
.btn-gold{background:linear-gradient(135deg,var(--gold),var(--gold-2));color:#2a1a02;box-shadow:0 0 20px rgba(251,191,36,.35)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 0 32px rgba(251,191,36,.6)}
.btn-ghost{background:rgba(255,255,255,.03);border-color:rgba(148,163,184,.38);color:var(--text)}
.btn-ghost:hover{border-color:var(--cyan);color:var(--cyan)}
.btn-sm{padding:9px 18px;font-size:13.5px}
.badge{display:inline-block;font-size:11.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;padding:5px 11px;border-radius:999px;border:1px solid var(--line-strong);color:var(--cyan);background:rgba(56,189,248,.09)}
.badge.gold{color:var(--gold);border-color:rgba(251,191,36,.45);background:rgba(251,191,36,.1)}
.badge.rose{color:#fda4af;border-color:rgba(244,63,94,.4);background:rgba(244,63,94,.1)}
.chip{
  display:inline-flex;align-items:center;gap:7px;
  padding:8px 15px;border-radius:999px;font-size:13.5px;font-weight:600;
  background:var(--surface);border:1px solid var(--line);color:var(--muted);
  transition:.25s;
}
.chip:hover{color:var(--cyan);border-color:var(--line-strong);background:rgba(56,189,248,.09)}

/* ============ HEADER ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(3,7,18,.84);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:22px;min-height:72px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:40px;height:40px;border-radius:12px;flex-shrink:0;
  background:linear-gradient(135deg,rgba(37,99,235,.9),rgba(56,189,248,.75));
  display:flex;align-items:center;justify-content:center;font-size:19px;
  box-shadow:0 0 18px rgba(56,189,248,.4);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:15.5px;font-weight:800;color:var(--text);letter-spacing:-.01em}
.brand-sub{font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted-2);font-weight:600}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-links a{
  padding:9px 14px;border-radius:10px;font-size:14.5px;font-weight:600;color:var(--muted);
  transition:.22s;white-space:nowrap;
}
.nav-links a:hover{color:var(--text);background:rgba(56,189,248,.09)}
.nav-links a.active{color:var(--cyan);background:rgba(56,189,248,.12);box-shadow:inset 0 -2px 0 var(--cyan)}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:11px;border:1px solid var(--line);
  background:var(--surface);cursor:pointer;align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text)}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.nav-drawer{display:none}

/* ============ HERO ============ */
.hero{
  position:relative;
  padding:92px 0 72px;
  background-image:linear-gradient(180deg,rgba(3,7,18,.9),rgba(3,7,18,.86) 55%,rgba(3,7,18,.97)),url('/assets/images/3e03bfa34d951dc5.jpg');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.hero::after{
  content:"";position:absolute;width:620px;height:620px;right:-180px;top:-220px;
  background:radial-gradient(circle,rgba(37,99,235,.35),transparent 68%);pointer-events:none;
}
.hero-inner{max-width:900px;margin:0 auto;text-align:center;position:relative;z-index:2}
.hero h1{margin:22px 0 18px}
.hero h1 .hl{background:linear-gradient(120deg,var(--cyan),var(--holo));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lead{font-size:17.5px;color:#cbd5e1;max-width:790px;margin:0 auto}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:30px}
.hero-note{margin-top:16px;font-size:13px;color:var(--muted-2)}
.tier-rail{margin-top:52px;display:grid;grid-template-columns:repeat(3,1fr);gap:18px;text-align:left;position:relative;z-index:2}
.tier{padding:22px;border-radius:var(--radius);background:rgba(8,18,41,.72);border:1px solid var(--line);backdrop-filter:blur(12px);transition:.3s}
.tier:hover{border-color:rgba(251,191,36,.45);transform:translateY(-4px)}
.tier-top{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:10px}
.tier-name{font-weight:800;font-size:16px}
.tier p{font-size:13.5px;margin-bottom:14px}
.progress{height:8px;border-radius:999px;background:rgba(148,163,184,.16);overflow:hidden}
.progress-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--blue),var(--cyan));box-shadow:0 0 12px rgba(56,189,248,.6)}
.progress-fill.gold{background:linear-gradient(90deg,var(--gold-2),var(--gold));box-shadow:0 0 12px rgba(251,191,36,.55)}
.progress-label{display:flex;justify-content:space-between;font-size:12px;color:var(--muted-2);margin-top:8px}

/* ============ STATS ============ */
.stat{padding:24px 20px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--line);transition:.3s}
.stat:hover{background:var(--surface-2);border-color:var(--line-strong);transform:translateY(-4px)}
.stat-num{font-size:30px;font-weight:800;background:linear-gradient(120deg,var(--cyan),var(--holo));-webkit-background-clip:text;background-clip:text;color:transparent}
.stat-label{font-size:13.5px;color:var(--muted);margin-top:6px;line-height:1.5}

/* ============ DIRECTORY ============ */
.dir-list{display:flex;flex-direction:column;gap:14px}
.dir-row{
  display:grid;grid-template-columns:minmax(0,1fr) auto;gap:20px;align-items:center;
  padding:22px 24px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--line);
  transition:.28s;
}
.dir-row:hover{border-color:var(--line-strong);background:var(--surface-2);transform:translateX(5px)}
.dir-row h3{font-size:17.5px;margin-bottom:6px}
.dir-row p{font-size:14px}
.dir-row .go{font-size:13.5px;font-weight:700;color:var(--cyan);white-space:nowrap}
.anchor-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}

/* ============ INSIGHT BLOCKS ============ */
.insight-block{padding:26px 28px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--line);border-left:3px solid var(--cyan);margin-bottom:18px;transition:.3s}
.insight-block:hover{background:var(--surface-2);border-left-color:var(--gold)}
.insight-block h3{margin-bottom:10px;color:var(--text)}
.insight-block p{font-size:15px}
.sticky-col{position:sticky;top:96px}
.sticky-col h2{margin:16px 0 14px}

/* ============ TOOL CARDS ============ */
.tool{padding:0;overflow:hidden;display:flex;flex-direction:column}
.tool img{width:100%;height:170px;object-fit:cover}
.tool-body{padding:20px 22px 24px}
.tool-body h3{font-size:17px;margin-bottom:8px}
.tool-body p{font-size:14px}

/* ============ MEMBERSHIP ============ */
.plan{padding:26px 24px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--line);display:flex;flex-direction:column;gap:14px;transition:.3s}
.plan:hover{transform:translateY(-5px);border-color:var(--line-strong)}
.plan.featured{background:linear-gradient(180deg,rgba(37,99,235,.22),rgba(8,18,41,.6));border-color:rgba(251,191,36,.45);box-shadow:0 0 30px rgba(37,99,235,.28)}
.plan h3{font-size:18px}
.plan .price{font-size:24px;font-weight:800;color:var(--gold)}
.plan ul{display:flex;flex-direction:column;gap:9px}
.plan li{font-size:14px;color:var(--muted);padding-left:20px;position:relative}
.plan li::before{content:"◆";position:absolute;left:0;color:var(--cyan);font-size:10px;top:4px}

/* ============ REFERRAL ============ */
.referral{padding:34px;border-radius:var(--radius-lg);background:linear-gradient(135deg,rgba(37,99,235,.2),rgba(8,18,41,.75));border:1px solid var(--line-strong);backdrop-filter:blur(12px)}
.referral-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:34px;align-items:center}
.share-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.leader{display:flex;flex-direction:column;gap:10px}
.leader li{display:grid;grid-template-columns:34px 1fr auto;gap:12px;align-items:center;font-size:14px;padding:11px 14px;border-radius:12px;background:rgba(3,7,18,.45);border:1px solid var(--line)}
.leader .rank{font-weight:800;color:var(--cyan)}
.leader .pts{font-weight:700;color:var(--gold);font-size:13.5px}

/* ============ CHART ============ */
.chart{display:flex;flex-direction:column;gap:18px;padding:28px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--line)}
.chart-row{display:grid;grid-template-columns:190px 1fr;gap:16px;align-items:center}
.chart-label{font-size:14px;font-weight:600;color:#cbd5e1}
.chart-track{height:14px;border-radius:999px;background:rgba(148,163,184,.14);overflow:hidden}
.chart-fill{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--blue),var(--cyan));display:flex;align-items:center;justify-content:flex-end;padding-right:9px;font-size:10.5px;font-weight:800;color:#03121f;box-shadow:0 0 14px rgba(56,189,248,.45)}
.chart-fill.alt{background:linear-gradient(90deg,#7c3aed,#38bdf8)}
.chart-fill.gold{background:linear-gradient(90deg,var(--gold-2),var(--gold));box-shadow:0 0 14px rgba(251,191,36,.4)}
.chart-foot{display:flex;flex-wrap:wrap;gap:16px;margin-top:6px;font-size:12.5px;color:var(--muted-2)}
.legend{display:inline-flex;align-items:center;gap:7px}
.dot{width:10px;height:10px;border-radius:50%;display:inline-block}

/* ============ TABLE ============ */
.table-wrap{overflow-x:auto;border-radius:var(--radius);border:1px solid var(--line);background:var(--surface)}
table{width:100%;border-collapse:collapse;min-width:560px}
th,td{padding:15px 18px;text-align:left;font-size:14.5px;border-bottom:1px solid rgba(148,163,184,.13)}
th{background:rgba(8,18,41,.7);font-size:13px;letter-spacing:.05em;text-transform:uppercase;color:var(--cyan);font-weight:700}
tbody tr:last-child td{border-bottom:none}
td:first-child{font-weight:600;color:#e2e8f0}
td.pos{color:var(--green);font-weight:700}
td.neg{color:#fda4af;font-weight:600}

/* ============ TIMELINE ============ */
.timeline{position:relative;padding-left:30px}
.timeline::before{content:"";position:absolute;left:8px;top:6px;bottom:6px;width:2px;background:linear-gradient(180deg,var(--cyan),rgba(56,189,248,.08))}
.timeline li{position:relative;padding:0 0 28px 8px}
.timeline li:last-child{padding-bottom:0}
.timeline .tl-dot{position:absolute;left:-30px;top:6px;width:14px;height:14px;border-radius:50%;background:var(--bg);border:2px solid var(--cyan);box-shadow:0 0 12px rgba(56,189,248,.6)}
.timeline h3{font-size:16.5px;margin-bottom:6px}
.timeline p{font-size:14px}

/* ============ RESOURCE CARDS ============ */
.res{padding:0;overflow:hidden;display:flex;flex-direction:column}
.res img{height:160px;width:100%;object-fit:cover}
.res-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.res-body h3{font-size:16.5px}
.res-body p{font-size:14px}
.res-link{margin-top:auto;font-size:13.5px;font-weight:700;color:var(--cyan)}

/* ============ NEWS (CMS) ============ */
.news-layout{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(0,1fr);gap:34px;align-items:start}
.news-list{display:flex;flex-direction:column;gap:14px}
.news-row{display:block;padding:20px 22px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--line);transition:.28s}
.news-row:hover{border-color:var(--line-strong);background:var(--surface-2);transform:translateY(-3px)}
.news-cat{font-size:11.5px;font-weight:700;letter-spacing:.09em;text-transform:uppercase;color:var(--cyan)}
.news-title{font-size:17px;margin:9px 0 8px}
.news-sum{font-size:14px}
.news-time{display:block;margin-top:10px;font-size:12.5px;color:var(--muted-2)}
.news-empty{padding:26px;border-radius:var(--radius);border:1px dashed var(--line);color:var(--muted);text-align:left}
.side-panel{padding:24px;border-radius:var(--radius);background:rgba(8,18,41,.6);border:1px solid var(--line)}
.side-panel h3{font-size:15px;letter-spacing:.06em;text-transform:uppercase;color:var(--holo);margin-bottom:16px}
.side-item{display:block;padding:12px 0;border-bottom:1px solid rgba(148,163,184,.12);transition:.25s}
.side-item:last-child{border-bottom:none}
.side-item:hover .side-title{color:var(--cyan)}
.side-title{font-size:14.5px;font-weight:600;color:#e2e8f0;transition:.25s}
.side-meta{font-size:12px;color:var(--muted-2);margin-top:5px}

/* ============ TRUST ============ */
.trust{
  padding:34px;border-radius:var(--radius-lg);
  background-image:linear-gradient(135deg,rgba(3,7,18,.94),rgba(8,18,41,.9)),url('/assets/images/779ed3d8f89aa1d7.jpg');
  background-size:cover;background-position:center;border:1px solid var(--line);
}
.trust-item{display:flex;gap:14px;align-items:flex-start}
.trust-icon{width:44px;height:44px;border-radius:12px;flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:19px;background:rgba(56,189,248,.12);border:1px solid var(--line-strong)}
.trust-item h3{font-size:16px;margin-bottom:6px}
.trust-item p{font-size:13.5px}
.pay-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.pay{font-size:13px;font-weight:700;padding:9px 16px;border-radius:10px;background:rgba(255,255,255,.05);border:1px solid var(--line);color:#e2e8f0}

/* ============ QUICK ANSWER ============ */
.qa{padding:22px 24px;border-radius:var(--radius);background:var(--surface);border:1px solid var(--line);transition:.3s}
.qa:hover{border-color:var(--line-strong);background:var(--surface-2)}
.qa .q{font-size:15.5px;font-weight:700;color:var(--text);margin-bottom:9px;display:flex;gap:9px}
.qa .q span{color:var(--cyan)}
.qa p{font-size:14px}

/* ============ FAQ ============ */
.faq-item{border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--surface);margin-bottom:12px;overflow:hidden;transition:.25s}
.faq-item[open]{border-color:var(--line-strong);background:var(--surface-2)}
.faq-item summary{cursor:pointer;padding:18px 22px;font-weight:700;font-size:15.5px;list-style:none;display:flex;justify-content:space-between;gap:16px;align-items:center}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";color:var(--cyan);font-size:20px;font-weight:700;line-height:1}
.faq-item[open] summary::after{content:"–"}
.faq-item p{padding:0 22px 20px;font-size:14.5px}

/* ============ FORM ============ */
.cta-panel{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:40px;
  padding:40px;border-radius:var(--radius-lg);
  background:linear-gradient(135deg,rgba(37,99,235,.2),rgba(8,18,41,.85));
  border:1px solid var(--line-strong);backdrop-filter:blur(12px);
}
.lead-form{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:7px}
.field.full{grid-column:1/-1}
.field label{font-size:13px;font-weight:600;color:#cbd5e1}
.field input,.field select{
  padding:13px 15px;border-radius:12px;border:1px solid var(--line);
  background:rgba(3,7,18,.6);color:var(--text);transition:.25s;width:100%;
}
.field input::placeholder{color:var(--muted-2)}
.field input:focus,.field select:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(56,189,248,.16);outline:none}
.check{display:flex;gap:11px;align-items:flex-start;font-size:13px;color:var(--muted);grid-column:1/-1}
.check input{width:18px;height:18px;margin-top:2px;accent-color:#38bdf8}
.form-foot{grid-column:1/-1;display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-top:4px}
.form-note{font-size:12.5px;color:var(--muted-2)}

/* ============ FOOTER ============ */
.site-footer{background:linear-gradient(180deg,rgba(3,7,18,0),rgba(8,18,41,.9));border-top:1px solid var(--line);padding:58px 0 30px;position:relative;z-index:1}
.footer-grid{display:grid;grid-template-columns:minmax(0,1.4fr) repeat(2,minmax(0,1fr));gap:36px}
.footer-brand p{font-size:14px;margin-top:16px;max-width:420px}
.footer-col h4{font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:var(--holo);margin-bottom:16px}
.footer-col a,.footer-col span{display:block;font-size:14px;color:var(--muted);padding:6px 0;transition:.22s}
.footer-col a:hover{color:var(--cyan);transform:translateX(4px)}
.footer-bottom{margin-top:38px;padding-top:22px;border-top:1px solid rgba(148,163,184,.14);display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;font-size:13px;color:var(--muted-2)}
.age{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:50%;border:1px solid rgba(244,63,94,.5);color:#fda4af;font-weight:800;font-size:12.5px}

/* ============ 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;border-radius:999px;
  background:rgba(7,7,13,.82);backdrop-filter:blur(14px);
  border:1px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.86),rgba(7,7,13,.86)),linear-gradient(120deg,#38bdf8,#2563eb);
  background-origin:border-box;background-clip:padding-box,border-box;
  box-shadow:0 0 22px rgba(6,182,212,.45);
  font-size:13.5px;font-weight:700;color:var(--text);
  opacity:.78;transition:.28s;
}
.fab:hover{opacity:1;transform:scale(1.05);box-shadow:0 0 34px rgba(6,182,212,.7)}
.fab:active{transform:scale(.96)}
.fab-icon{font-size:16px;animation:pulseFlicker 2.6s infinite}
.fab-dot{position:absolute;top:-4px;right:-4px;width:12px;height:12px;border-radius:50%;background:var(--rose);box-shadow:0 0 10px rgba(244,63,94,.9);animation:pulseDot 1.6s infinite}
@keyframes pulseFlicker{0%,100%{opacity:1}48%{opacity:.55}52%{opacity:1}}
@keyframes pulseDot{0%,100%{transform:scale(1);opacity:1}50%{transform:scale(1.35);opacity:.6}}

/* ============ RESPONSIVE ============ */
@media (max-width:1024px){
  .nav-links{
    position:absolute;top:72px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;
    background:rgba(3,7,18,.97);border-bottom:1px solid var(--line);
    padding:14px 22px 20px;margin-left:0;display:none;
  }
  .nav-links.open{display:flex}
  .nav-toggle{display:flex;order:3}
  .nav-actions{margin-left:auto;order:2}
  .split{grid-template-columns:1fr;gap:30px}
  .sticky-col{position:static}
  .g-4{grid-template-columns:repeat(2,1fr)}
  .g-6{grid-template-columns:repeat(3,1fr)}
  .news-layout{grid-template-columns:1fr}
  .cta-panel{grid-template-columns:1fr;gap:28px;padding:30px}
  .referral-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .footer-brand{grid-column:1/-1}
}
@media (max-width:768px){
  .section{padding:58px 0}
  .hero{padding:70px 0 56px}
  .g-2,.g-3,.g-4{grid-template-columns:1fr}
  .g-6{grid-template-columns:repeat(2,1fr)}
  .tier-rail{grid-template-columns:1fr;margin-top:40px}
  .chart-row{grid-template-columns:1fr;gap:8px}
  .lead-form{grid-template-columns:1fr}
  .dir-row{grid-template-columns:1fr;gap:12px}
  .brand-sub{display:none}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .header-inner{gap:10px;min-height:64px}
  .brand-name{font-size:13.5px;max-width:150px}
  .nav-actions .btn{padding:9px 14px;font-size:12.5px}
  .hero-actions .btn{width:100%}
  .chart{padding:20px}
  .cta-panel{padding:22px}
  .fab{bottom:84px;padding:0 16px;font-size:12.5px}
  .trust{padding:24px}
}

/* roulang page: article */
:root{
            --bg:#030712;
            --bg-2:#081229;
            --bg-3:#0b1a3a;
            --surface:rgba(255,255,255,.045);
            --surface-2:rgba(255,255,255,.08);
            --line:rgba(96,165,250,.18);
            --line-strong:rgba(56,189,248,.45);
            --blue:#2563eb;
            --cyan:#38bdf8;
            --holo:#60a5fa;
            --gold:#fbbf24;
            --gold-2:#d4af37;
            --rose:#f43f5e;
            --green:#34d399;
            --text:#f8fafc;
            --muted:#94a3b8;
            --muted-2:#64748b;
            --radius:18px;
            --radius-sm:12px;
            --radius-lg:26px;
            --shadow:0 18px 45px rgba(2,6,23,.55);
            --glow:0 0 22px rgba(56,189,248,.35);
            --max:1200px;
        }
        *{margin:0;padding:0;box-sizing:border-box}
        html{scroll-behavior:smooth}
        body{
            background:var(--bg);
            color:var(--text);
            font-family:'Be Vietnam Pro','Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
            font-size:16px;
            line-height:1.65;
            -webkit-font-smoothing:antialiased;
            overflow-x:hidden;
        }
        body::before{
            content:"";
            position:fixed;
            inset:0;
            background-image:linear-gradient(rgba(56,189,248,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(56,189,248,.045) 1px,transparent 1px);
            background-size:64px 64px;
            pointer-events:none;
            z-index:0;
        }
        img{max-width:100%;display:block;height:auto}
        a{color:inherit;text-decoration:none}
        button,input,select,textarea{font:inherit;color:inherit}
        .container{width:100%;max-width:var(--max);margin:0 auto;padding:0 22px;position:relative;z-index:1}
        .section{padding:68px 0;position:relative;z-index:1}
        .section.alt{background:linear-gradient(180deg,rgba(8,18,41,0),rgba(8,18,41,.85) 45%,rgba(8,18,41,0))}
        .eyebrow{
            display:inline-flex;align-items:center;gap:8px;
            font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
            color:var(--cyan);background:rgba(56,189,248,.1);
            border:1px solid var(--line-strong);border-radius:999px;padding:7px 15px;
        }
        .section-head{max-width:820px;margin-bottom:34px}
        .section-head.center{margin-left:auto;margin-right:auto;text-align:center}
        .section-head p{margin-top:14px;font-size:16.5px}
        .section-head h2{margin-top:16px}
        .grid{display:grid;gap:22px}
        .btn{
            display:inline-flex;align-items:center;justify-content:center;gap:9px;
            padding:13px 26px;border-radius:999px;border:1px solid transparent;
            font-size:15px;font-weight:700;cursor:pointer;
            transition:transform .25s ease,box-shadow .25s ease,background .25s ease,color .25s ease,border-color .25s ease;
        }
        .btn-primary{background:linear-gradient(135deg,var(--blue),var(--cyan));color:#03121f;box-shadow:0 0 20px rgba(56,189,248,.42)}
        .btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 34px rgba(56,189,248,.68)}
        .btn-primary:active{transform:translateY(1px) scale(.985)}
        .btn-gold{background:linear-gradient(135deg,var(--gold),var(--gold-2));color:#2a1a02;box-shadow:0 0 20px rgba(251,191,36,.35)}
        .btn-gold:hover{transform:translateY(-2px);box-shadow:0 0 32px rgba(251,191,36,.6)}
        .btn-ghost{background:rgba(255,255,255,.03);border-color:rgba(148,163,184,.38);color:var(--text)}
        .btn-ghost:hover{border-color:var(--cyan);color:var(--cyan)}
        .btn-sm{padding:9px 18px;font-size:13.5px}
        .badge{display:inline-block;font-size:11.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;padding:5px 11px;border-radius:999px;border:1px solid var(--line-strong);color:var(--cyan);background:rgba(56,189,248,.09)}
        .badge.gold{color:var(--gold);border-color:rgba(251,191,36,.45);background:rgba(251,191,36,.1)}
        .badge.rose{color:#fda4af;border-color:rgba(244,63,94,.4);background:rgba(244,63,94,.1)}
        .chip{
            display:inline-flex;align-items:center;gap:7px;
            padding:8px 15px;border-radius:999px;font-size:13.5px;font-weight:600;
            background:var(--surface);border:1px solid var(--line);color:var(--muted);
            transition:.25s;
        }
        .chip:hover{color:var(--cyan);border-color:var(--line-strong);background:rgba(56,189,248,.09)}
        /* ============ HEADER ============ */
        .site-header{
            position:sticky;top:0;z-index:80;
            background:rgba(3,7,18,.84);
            backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
            border-bottom:1px solid var(--line);
        }
        .header-inner{display:flex;align-items:center;gap:22px;min-height:72px}
        .brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
        .brand-mark{
            width:40px;height:40px;border-radius:12px;flex-shrink:0;
            background:linear-gradient(135deg,rgba(37,99,235,.9),rgba(56,189,248,.75));
            display:flex;align-items:center;justify-content:center;font-size:19px;
            box-shadow:0 0 18px rgba(56,189,248,.4);
        }
        .brand-text{display:flex;flex-direction:column;line-height:1.15}
        .brand-name{font-size:15.5px;font-weight:800;color:var(--text);letter-spacing:-.01em}
        .brand-sub{font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted-2);font-weight:600}
        .nav-links{display:flex;align-items:center;gap:6px;margin-left:auto}
        .nav-links a{
            padding:9px 14px;border-radius:10px;font-size:14.5px;font-weight:600;color:var(--muted);
            transition:.22s;white-space:nowrap;
        }
        .nav-links a:hover{color:var(--text);background:rgba(56,189,248,.09)}
        .nav-links a.active{color:var(--cyan);background:rgba(56,189,248,.12);box-shadow:inset 0 -2px 0 var(--cyan)}
        .nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
        .nav-toggle{
            display:none;width:42px;height:42px;border-radius:11px;border:1px solid var(--line);
            background:var(--surface);cursor:pointer;align-items:center;justify-content:center;
        }
        .nav-toggle span{display:block;width:18px;height:2px;background:var(--text);position:relative}
        .nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text)}
        .nav-toggle span::before{top:-6px}
        .nav-toggle span::after{top:6px}
        .nav-drawer{display:none}
        /* ============ ARTICLE HERO ============ */
        .article-hero{
            position:relative;
            padding:72px 0 48px;
            background-image:linear-gradient(180deg,rgba(3,7,18,.86),rgba(3,7,18,.94)),url('/assets/images/3e03bfa34d951dc5.jpg');
            background-size:cover;background-position:center;
            border-bottom:1px solid var(--line);
        }
        .article-hero .meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:20px}
        .article-hero.breadcrumb{font-size:13.5px;color:var(--muted)}
        .article-hero.breadcrumb a{color:var(--muted)}
        .article-hero.breadcrumb a:hover{color:var(--cyan)}
        .article-hero h1{
            font-size:clamp(28px,4vw,44px);font-weight:800;line-height:1.3;
            max-width:920px;letter-spacing:-.02em;
        }
        .article-hero .lead{
            margin-top:18px;font-size:17px;color:var(--muted);max-width:760px;line-height:1.7;
        }
        /* ============ ARTICLE BODY ============ */
        .article-layout{
            display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:42px;
            align-items:start;
        }
        .article-cotent{
            background:var(--surface);border:1px solid var(--line);
            border-radius:var(--radius-lg);padding:38px 34px;
            line-height:1.75;font-size:16.5px;
        }
        .article-cotent h2{font-size:24px;font-weight:700;margin:30px 0 14px;line-height:1.4}
        .article-cotent h3{font-size:19px;font-weight:700;margin:26px 0 12px;line-height:1.45}
        .article-cotent p{margin:14px 0;color:rgba(248,250,252,.88)}
        .article-cotent img{border-radius:var(--radius);margin:18px 0}
        .article-cotent ul,.article-cotent ol{margin:16px 0 16px 22px;color:rgba(248,250,252,.85)}
        .article-cotent li{margin:7px 0}
        .article-cotent a{color:var(--cyan);border-bottom:1px solid rgba(56,189,248,.3)}
        .article-cotent a:hover{color:var(--holo);border-bottom-color:var(--holo)}
        .article-cotent blockquote{
            border-left:3px solid var(--cyan);padding:14px 20px;margin:20px 0;
            background:rgba(56,189,248,.06);border-radius:0 var(--radius-sm) var(--radius-sm) 0;
            font-style:italic;color:var(--muted);
        }
        .article-cotent .not-found{
            text-align:center;padding:40px 20px;border:1px dashed var(--line);
            border-radius:var(--radius);color:var(--muted);
        }
        /* sidebar */
        .article-sidebar{display:flex;flex-direction:column;gap:22px}
        .side-card{
            background:var(--surface);border:1px solid var(--line);
            border-radius:var(--radius);padding:22px;
        }
        .side-card h3{font-size:16px;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:8px}
        .side-card h3 i{color:var(--cyan)}
        .side-card ul{list-style:none}
        .side-card li{margin:10px 0}
        .side-card li a{color:var(--muted);font-size:14.5px;line-height:1.5;transition:.2s;display:block}
        .side-card li a:hover{color:var(--cyan);padding-left:4px}
        .side-card .badge{padding:3px 9px;font-size:10px;float:right;margin-left:8px}
        /* ============ CTA PANEL ============ */
        .cta-panel{
            background:linear-gradient(135deg,rgba(37,99,235,.16),rgba(56,189,248,.12));
            border:1px solid var(--line-strong);border-radius:var(--radius-lg);
            padding:42px 38px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
            box-shadow:inset 0 0 40px rgba(56,189,248,.08);
        }
        .cta-panel h2{font-size:24px;font-weight:700;line-height:1.4}
        .cta-panel p{margin-top:10px;color:var(--muted);max-width:560px;font-size:15.5px}
        .cta-actions{display:flex;flex-wrap:wrap;gap:12px}
        /* ============ RELATED ============ */
        .related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
        .related-card{
            background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);
            padding:22px 22px 26px;transition:.25s;position:relative;overflow:hidden;
        }
        .related-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--glow)}
        .related-card .thumb{
            border-radius:var(--radius-sm);overflow:hidden;margin-bottom:16px;height:170px;
            background-size:cover;background-position:center;
        }
        .related-card span.text{font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.1em;color:var(--cyan)}
        .related-card h3{margin:8px 0;font-size:16.5px;line-height:1.5;font-weight:700}
        .related-card h3 a{color:var(--text)}
        .related-card h3 a:hover{color:var(--cyan)}
        .related-card p{font-size:14px;color:var(--muted);line-height:1.6}
        /* ============ FOOTER ============ */
        .site-footer{
            background:rgba(2,6,23,.9);border-top:1px solid var(--line);
            padding:60px 0 30px;position:relative;z-index:1;
        }
        .footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1.1fr;gap:32px;margin-bottom:36px}
        .footer-brand .brand{margin-bottom:16px}
        .footer-brand p{color:var(--muted);font-size:14.5px;max-width:420px;line-height:1.7}
        .footer-col h4{font-size:14px;font-weight:700;margin-bottom:14px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
        .footer-col a,.footer-col span{display:block;margin:9px 0;color:var(--muted-2);font-size:14px;transition:.2s}
        .footer-col a:hover{color:var(--cyan)}
        .footer-bottom{
            border-top:1px solid var(--line);padding-top:22px;
            display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;
            color:var(--muted-2);font-size:13.5px;
        }
        .age{
            display:inline-block;border:2px solid var(--rose);color:var(--rose);
            font-weight:800;border-radius:6px;padding:2px 9px;letter-spacing:.05em;font-size:13px;
        }
        /* ============ RESPONSIVE ============ */
        @media (max-width:1024px){
            .article-layout{grid-template-columns:1fr}
            .related-grid{grid-template-columns:repeat(2,1fr)}
            .nav-links{
                position:fixed;top:72px;right:0;left:0;bottom:0;
                background:rgba(3,7,18,.97);backdrop-filter:blur(22px);
                flex-direction:column;align-items:flex-start;padding:28px 22px;gap:8px;
                transform:translateX(100%);transition:transform .3s ease;z-index:70;
            }
            .nav-links.open{transform:translateX(0)}
            .nav-links a{width:100%;font-size:16px;padding:13px 12px;border-radius:10px}
            .nav-toggle{display:inline-flex}
            .nav-actions .btn{display:inline-flex}
        }
        @media (max-width:768px){
            .section{padding:52px 0}
            .footer-grid{grid-template-columns:1fr;gap:26px}
            .related-grid{grid-template-columns:1fr}
            .article-cotent{padding:26px 20px}
            .cta-panel{padding:34px 26px}
            .hero-cta{flex-direction:column;align-items:stretch}
            .brand-name{font-size:14px}
            .brand-sub{font-size:9px;letter-spacing:.1em}
            .nav-actions .btn{padding:8px 14px;font-size:13px}
        }
        @media (max-width:520px){
            .section-head h2{font-size:23px}
            .article-hero h1{font-size:25px}
            .article-hero .meta{font-size:12.5px}
            .related-card .thumb{height:140px}
            .btn{padding:11px 20px}
        }
        @media (min-width:1025px){
            .nav-toggle{display:none}
        }

/* roulang page: category1 */
/* roulang page: category1 - soi cau tai xiu chuan */
:root{
  --bg:#030712;
  --bg-2:#081229;
  --bg-3:#0b1a3a;
  --surface:rgba(255,255,255,.045);
  --surface-2:rgba(255,255,255,.08);
  --line:rgba(96,165,250,.18);
  --line-strong:rgba(56,189,248,.45);
  --blue:#2563eb;
  --cyan:#38bdf8;
  --holo:#60a5fa;
  --gold:#fbbf24;
  --gold-2:#d4af37;
  --rose:#f43f5e;
  --green:#34d399;
  --text:#f8fafc;
  --muted:#94a3b8;
  --muted-2:#64748b;
  --radius:18px;
  --radius-sm:12px;
  --radius-lg:26px;
  --shadow:0 18px 45px rgba(2,6,23,.55);
  --glow:0 0 22px 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;background:var(--bg);color:var(--text);
  font-family:'Be Vietnam Pro','Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
  font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased;overflow-x:hidden;
}
body::before{
  content:"";position:fixed;inset:0;
  background-image:linear-gradient(rgba(56,189,248,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(56,189,248,.045) 1px,transparent 1px);
  background-size:64px 64px;pointer-events:none;z-index:0;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.25;letter-spacing:-.015em}
h1{font-size:clamp(28px,4.4vw,48px)}
h2{font-size:clamp(23px,2.8vw,34px)}
h3{font-size:18px}
h4{font-size:15px}
p{margin:0;color:var(--muted)}
ul{margin:0;padding:0;list-style:none}
::selection{background:rgba(56,189,248,.35)}
: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 22px;position:relative;z-index:1}
.section{padding:78px 0;position:relative;z-index:1}
.section.alt{background:linear-gradient(180deg,rgba(8,18,41,0),rgba(8,18,41,.85) 45%,rgba(8,18,41,0))}
.section.tint{background:linear-gradient(180deg,rgba(11,26,58,.55),rgba(3,7,18,0))}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--cyan);background:rgba(56,189,248,.1);
  border:1px solid var(--line-strong);border-radius:999px;padding:7px 15px;
}
.section-head{max-width:820px;margin-bottom:38px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head h2{margin-top:16px}
.section-head p{margin-top:14px;font-size:16.5px}
.lead{font-size:17px}
.grid{display:grid;gap:22px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:700;cursor:pointer;
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease,color .25s ease,border-color .25s ease;
}
.btn-primary{background:linear-gradient(135deg,var(--blue),var(--cyan));color:#03121f;box-shadow:0 0 20px rgba(56,189,248,.42)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 34px rgba(56,189,248,.68)}
.btn-primary:active{transform:translateY(1px) scale(.985)}
.btn-gold{background:linear-gradient(135deg,var(--gold),var(--gold-2));color:#2a1a02;box-shadow:0 0 20px rgba(251,191,36,.35)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 0 32px rgba(251,191,36,.6)}
.btn-ghost{background:rgba(255,255,255,.03);border-color:rgba(148,163,184,.38);color:var(--text)}
.btn-ghost:hover{border-color:var(--cyan);color:var(--cyan)}
.btn-sm{padding:9px 18px;font-size:13.5px}
.badge{display:inline-block;font-size:11.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;padding:5px 11px;border-radius:999px;border:1px solid var(--line-strong);color:var(--cyan);background:rgba(56,189,248,.09)}
.badge.gold{color:var(--gold);border-color:rgba(251,191,36,.45);background:rgba(251,191,36,.1)}
.chip{
  display:inline-flex;align-items:center;gap:7px;padding:8px 15px;border-radius:999px;
  font-size:13.5px;font-weight:600;background:var(--surface);border:1px solid var(--line);color:var(--muted);transition:.25s;
}
.chip:hover{color:var(--cyan);border-color:var(--line-strong);background:rgba(56,189,248,.09)}

/* ============ HEADER ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(3,7,18,.84);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:22px;min-height:72px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:40px;height:40px;border-radius:12px;flex-shrink:0;
  background:linear-gradient(135deg,rgba(37,99,235,.9),rgba(56,189,248,.75));
  display:flex;align-items:center;justify-content:center;font-size:19px;
  box-shadow:0 0 18px rgba(56,189,248,.4);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:15.5px;font-weight:800;color:var(--text);letter-spacing:-.01em}
.brand-sub{font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted-2);font-weight:600}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-links a{padding:9px 14px;border-radius:10px;font-size:14.5px;font-weight:600;color:var(--muted);transition:.22s;white-space:nowrap}
.nav-links a:hover{color:var(--text);background:rgba(56,189,248,.09)}
.nav-links a.active{color:var(--cyan);background:rgba(56,189,248,.12);box-shadow:inset 0 -2px 0 var(--cyan)}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:11px;border:1px solid var(--line);
  background:var(--surface);cursor:pointer;align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text)}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* ============ HERO (category) ============ */
.cat-hero{
  position:relative;padding:84px 0 70px;overflow:hidden;border-bottom:1px solid var(--line);
  background-image:linear-gradient(180deg,rgba(3,7,18,.93),rgba(3,7,18,.87) 52%,rgba(3,7,18,.98)),url('/assets/images/779ed3d8f89aa1d7.jpg');
  background-size:cover;background-position:center;
}
.cat-hero::after{content:"";position:absolute;width:640px;height:640px;right:-200px;top:-250px;background:radial-gradient(circle,rgba(37,99,235,.38),transparent 68%);pointer-events:none}
.cat-hero::before{content:"";position:absolute;width:420px;height:420px;left:-170px;bottom:-210px;background:radial-gradient(circle,rgba(56,189,248,.2),transparent 70%);pointer-events:none}
.cat-hero-inner{display:grid;grid-template-columns:1.12fr .88fr;gap:46px;align-items:center;position:relative;z-index:2}
.cat-hero h1{margin:20px 0 16px}
.hl{background:linear-gradient(120deg,var(--cyan),var(--holo));-webkit-background-clip:text;background-clip:text;color:transparent}
.cat-hero .lead{font-size:17px;max-width:640px}
.hero-list{margin:22px 0 26px;display:grid;gap:11px;max-width:650px}
.hero-list li{position:relative;padding-left:30px;font-size:15.5px;color:var(--muted)}
.hero-list li::before{
  content:"";position:absolute;left:0;top:6px;width:17px;height:17px;border-radius:6px;
  background:linear-gradient(135deg,var(--cyan),var(--blue));box-shadow:0 0 12px rgba(56,189,248,.45);
}
.hero-list li::after{content:"";position:absolute;left:6px;top:11px;width:5px;height:8px;border-right:2px solid #03121f;border-bottom:2px solid #03121f;transform:rotate(42deg)}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.hero-trust{display:flex;gap:10px;flex-wrap:wrap;margin-top:26px}
.hero-trust span{font-size:12.5px;font-weight:600;color:var(--muted);border:1px solid var(--line);background:var(--surface);padding:6px 13px;border-radius:999px}
.hero-panel{
  background:linear-gradient(160deg,rgba(11,26,58,.86),rgba(8,18,41,.72));
  border:1px solid var(--line-strong);border-radius:var(--radius-lg);
  padding:24px;box-shadow:var(--shadow);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.panel-live{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--green)}
.panel-live i{width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 10px var(--green);animation:pulse 1.6s infinite}
.panel-id{font-size:12.5px;color:var(--muted-2);font-weight:600}
.panel-main{padding:20px 0 16px}
.panel-label{display:block;font-size:12.5px;text-transform:uppercase;letter-spacing:.1em;color:var(--muted-2);font-weight:700}
.panel-main strong{
  display:block;font-size:26px;font-weight:800;margin:8px 0 6px;
  background:linear-gradient(120deg,#ffffff,var(--cyan));-webkit-background-clip:text;background-clip:text;color:transparent;
}
.panel-sub{font-size:13.5px;color:var(--muted)}
.panel-rows{display:grid;gap:9px;margin:6px 0 18px}
.panel-rows li{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:14px;color:var(--muted);background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-sm);padding:9px 14px;
}
.panel-rows b{font-weight:700}
.panel-rows .tai{color:var(--cyan)}
.panel-rows .xiu{color:var(--gold)}
.panel-foot{font-size:13.5px;color:var(--holo);background:rgba(37,99,235,.14);border:1px solid var(--line-strong);border-radius:var(--radius-sm);padding:11px 14px}
@keyframes pulse{0%,100%{transform:scale(1);opacity:1}50%{transform:scale(1.28);opacity:.62}}

/* ============ METRICS ============ */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.metric{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px 22px;transition:.3s}
.metric:hover{border-color:var(--line-strong);transform:translateY(-4px);box-shadow:var(--glow)}
.metric strong{
  display:block;font-size:32px;font-weight:800;line-height:1.1;
  background:linear-gradient(120deg,var(--cyan),var(--holo));-webkit-background-clip:text;background-clip:text;color:transparent;
}
.metric span{display:block;margin-top:8px;font-size:14.5px;color:var(--muted)}
.metric em{display:block;margin-top:12px;font-size:12.5px;font-style:normal;color:var(--muted-2);letter-spacing:.05em}

/* ============ METHOD CARDS ============ */
.method-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.method-card{position:relative;overflow:hidden;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;transition:.3s}
.method-card::before{content:"";position:absolute;inset:0;background:linear-gradient(160deg,rgba(56,189,248,.1),transparent 55%);opacity:0;transition:.3s;pointer-events:none}
.method-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:0 0 26px rgba(56,189,248,.22)}
.method-card:hover::before{opacity:1}
.method-card h3,.method-card p,.method-tag{position:relative;z-index:1}
.method-card p{margin-top:11px;font-size:14.8px}
.method-tag{
  display:inline-block;margin-bottom:14px;font-size:11.5px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
  color:var(--cyan);border:1px solid var(--line-strong);background:rgba(56,189,248,.1);padding:4px 11px;border-radius:999px;
}

/* ============ COMPARE ============ */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.compare-col{border-radius:var(--radius);padding:26px 24px;border:1px solid var(--line);background:var(--surface)}
.compare-col.bad{border-color:rgba(244,63,94,.35);background:linear-gradient(180deg,rgba(244,63,94,.09),rgba(255,255,255,.02))}
.compare-col.good{border-color:var(--line-strong);background:linear-gradient(180deg,rgba(56,189,248,.12),rgba(255,255,255,.02))}
.compare-col h3{font-size:19px}
.compare-col > p{margin-top:8px;font-size:14.5px}
.compare-row{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:13px 0;border-bottom:1px dashed var(--line);font-size:14.5px}
.compare-row:last-child{border-bottom:none}
.compare-row span{color:var(--muted)}
.compare-row b{font-weight:700;color:var(--text);white-space:nowrap}
.compare-col.bad .compare-row b{color:#fda4af}
.compare-col.good .compare-row b{color:var(--cyan)}
.compare-note{margin-top:22px;font-size:14.5px;color:var(--muted);border-left:3px solid var(--line-strong);padding-left:16px}

/* ============ TIMELINE ============ */
.timeline-wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:42px;align-items:center}
.timeline{display:grid;gap:20px;position:relative}
.timeline::before{content:"";position:absolute;left:19px;top:14px;bottom:14px;width:2px;background:linear-gradient(180deg,var(--cyan),rgba(56,189,248,0))}
.step{position:relative;padding-left:58px}
.step-num{
  position:absolute;left:0;top:0;width:40px;height:40px;border-radius:13px;display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:15px;color:#03121f;background:linear-gradient(135deg,var(--cyan),var(--blue));box-shadow:0 0 18px rgba(56,189,248,.45);
}
.step h3{font-size:17px}
.step p{margin-top:7px;font-size:14.8px}
.timeline-media{position:relative;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line-strong);box-shadow:var(--shadow);min-height:360px}
.timeline-media img{width:100%;height:100%;min-height:360px;object-fit:cover}
.timeline-media .media-note{
  position:absolute;left:18px;right:18px;bottom:18px;background:rgba(3,7,18,.84);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border:1px solid var(--line-strong);border-radius:var(--radius-sm);padding:14px 16px;font-size:13.8px;color:var(--text);
}
.milestones{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:46px}
.milestone{border-left:2px solid var(--line-strong);padding:6px 0 6px 18px}
.milestone strong{display:block;font-size:24px;font-weight:800;color:var(--cyan)}
.milestone span{font-size:14px;color:var(--muted)}

/* ============ POST LIST ============ */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.post-card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.3s}
.post-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:0 0 26px rgba(56,189,248,.2)}
.post-thumb{display:block;aspect-ratio:16/9;overflow:hidden;background:var(--bg-3)}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:.45s}
.post-card:hover .post-thumb img{transform:scale(1.06)}
.post-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:16px 20px 0;font-size:12.5px}
.post-cat{color:var(--cyan);font-weight:700;text-transform:uppercase;letter-spacing:.08em}
.post-date{color:var(--muted-2)}
.post-card h3{padding:10px 20px 0;font-size:16.5px;line-height:1.4}
.post-card p{padding:9px 20px 0;font-size:14.3px}
.post-more{padding:14px 20px 20px;margin-top:auto;font-size:13.5px;font-weight:700;color:var(--holo)}
.empty-note{color:var(--muted);font-size:15px;background:var(--surface);border:1px dashed var(--line);border-radius:var(--radius);padding:26px}

/* ============ ASSURANCE ============ */
.assure-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.assure{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:24px 22px;transition:.3s}
.assure:hover{border-color:var(--line-strong);transform:translateY(-4px);box-shadow:0 0 22px rgba(56,189,248,.18)}
.assure-icon{
  width:42px;height:42px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:18px;
  background:rgba(56,189,248,.12);border:1px solid var(--line-strong);margin-bottom:14px;color:var(--cyan);
}
.assure h3{font-size:16.5px}
.assure p{margin-top:9px;font-size:14.4px}

/* ============ QUICK ANSWERS + FAQ ============ */
.qa-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-bottom:44px}
.qa{background:var(--surface);border:1px solid var(--line);border-left:3px solid var(--cyan);border-radius:var(--radius);padding:24px}
.qa h3{font-size:16.5px}
.qa p{margin-top:9px;font-size:14.6px}
.faq{display:grid;gap:14px;max-width:920px}
.faq details{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:0 22px;transition:.25s}
.faq details[open]{border-color:var(--line-strong);box-shadow:0 0 22px rgba(56,189,248,.15)}
.faq summary{cursor:pointer;list-style:none;padding:19px 42px 19px 0;font-weight:700;font-size:16px;position:relative;color:var(--text)}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:0;top:50%;transform:translateY(-50%);font-size:22px;color:var(--cyan);font-weight:700;transition:.25s}
.faq details[open] summary::after{content:"–"}
.faq details p{padding:0 0 20px;font-size:14.8px}

/* ============ CTA ============ */
.cta-block{
  display:grid;grid-template-columns:1.05fr .95fr;gap:42px;align-items:center;
  background:linear-gradient(150deg,rgba(11,26,58,.92),rgba(3,7,18,.86));
  border:1px solid var(--line-strong);border-radius:var(--radius-lg);padding:44px;box-shadow:var(--shadow);
}
.cta-copy h2{margin:16px 0 14px}
.cta-copy ul{display:grid;gap:10px;margin-top:18px}
.cta-copy li{position:relative;padding-left:24px;font-size:15px;color:var(--muted)}
.cta-copy li::before{content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px rgba(56,189,248,.7)}
.cta-form{display:grid;gap:15px;background:rgba(3,7,18,.6);border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.field{display:grid;gap:7px}
.field label{font-size:12.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.field input,.field select{
  width:100%;padding:13px 15px;border-radius:var(--radius-sm);
  background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--text);transition:.25s;
}
.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);background:rgba(56,189,248,.07)}
.field select option{background:#081229;color:var(--text)}
.form-note{font-size:12.8px;color:var(--muted-2);line-height:1.55}

/* ============ FOOTER ============ */
.site-footer{position:relative;z-index:1;margin-top:20px;padding:58px 0 26px;border-top:1px solid var(--line);background:linear-gradient(180deg,rgba(8,18,41,.6),rgba(3,7,18,.98))}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:36px}
.footer-brand p{margin-top:14px;font-size:14.5px;max-width:430px}
.footer-col h4{font-size:13px;text-transform:uppercase;letter-spacing:.12em;color:var(--cyan);margin-bottom:14px}
.footer-col a,.footer-col span{display:block;font-size:14.5px;color:var(--muted);padding:5px 0;transition:.22s}
.footer-col a:hover{color:var(--cyan);transform:translateX(3px)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  margin-top:38px;padding-top:20px;border-top:1px solid var(--line);font-size:13px;color:var(--muted-2);
}
.footer-bottom .age{border:1px solid var(--line-strong);border-radius:999px;padding:3px 11px;color:var(--cyan);font-weight:700}

/* ============ FAB ============ */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;width:58px;height:58px;border-radius:18px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(rgba(7,7,13,.88),rgba(7,7,13,.88)) padding-box,linear-gradient(135deg,var(--cyan),var(--blue)) border-box;
  border:1px solid transparent;box-shadow:0 0 20px rgba(6,182,212,.45);
  opacity:.78;transition:transform .3s ease,opacity .3s ease,box-shadow .3s ease;
}
.fab:hover{opacity:1;transform:translateY(-3px) scale(1.06);box-shadow:0 0 32px rgba(6,182,212,.72)}
.fab:active{transform:scale(.94)}
.fab i{font-size:21px;color:var(--cyan)}
.fab-dot{position:absolute;top:-3px;right:-3px;width:12px;height:12px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px var(--cyan);animation:pulse 1.6s infinite}

/* ============ RESPONSIVE ============ */
@media (max-width:1024px){
  .nav-toggle{display:flex}
  .nav-links{
    position:fixed;top:72px;left:0;right:0;flex-direction:column;align-items:stretch;gap:4px;
    background:rgba(3,7,18,.98);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
    border-bottom:1px solid var(--line);padding:14px 22px 22px;margin-left:0;
    max-height:calc(100vh - 72px);overflow-y:auto;
    transform:translateY(-14px);opacity:0;visibility:hidden;transition:transform .28s ease,opacity .28s ease,visibility .28s;
  }
  .nav-links.open{transform:none;opacity:1;visibility:visible}
  .nav-links a{padding:12px 14px;font-size:15.5px}
  .cat-hero-inner{grid-template-columns:1fr;gap:34px}
  .metrics{grid-template-columns:repeat(2,1fr)}
  .method-grid{grid-template-columns:repeat(2,1fr)}
  .assure-grid{grid-template-columns:repeat(2,1fr)}
  .post-grid{grid-template-columns:repeat(2,1fr)}
  .timeline-wrap{grid-template-columns:1fr;gap:30px}
  .cta-block{grid-template-columns:1fr;padding:32px;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-brand{grid-column:1/-1}
}
@media (max-width:768px){
  .section{padding:60px 0}
  .cat-hero{padding:64px 0 54px}
  .metrics,.method-grid,.assure-grid,.compare,.qa-grid,.post-grid{grid-template-columns:1fr}
  .milestones{grid-template-columns:1fr;gap:16px}
  .brand-sub{display:none}
  .section-head{margin-bottom:28px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .header-inner{gap:12px}
  .brand-name{font-size:14px}
  .nav-actions{gap:8px}
  .btn-sm{padding:8px 13px;font-size:12.5px}
  .hero-cta{flex-direction:column;align-items:stretch}
  .hero-cta .btn{width:100%}
  .cta-block{padding:22px}
  .cta-form{padding:20px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .fab{left:12px;bottom:88px;width:54px;height:54px;border-radius:16px}
}

/* roulang page: category2 */
:root{
  --bg:#030712;
  --bg-2:#081229;
  --bg-3:#0b1a3a;
  --surface:rgba(255,255,255,.045);
  --surface-2:rgba(255,255,255,.08);
  --line:rgba(96,165,250,.18);
  --line-strong:rgba(56,189,248,.45);
  --blue:#2563eb;
  --cyan:#38bdf8;
  --holo:#60a5fa;
  --gold:#fbbf24;
  --gold-2:#d4af37;
  --rose:#f43f5e;
  --green:#34d399;
  --text:#f8fafc;
  --muted:#94a3b8;
  --muted-2:#64748b;
  --radius:18px;
  --radius-sm:12px;
  --radius-lg:26px;
  --shadow:0 18px 45px rgba(2,6,23,.55);
  --glow:0 0 22px rgba(56,189,248,.35);
  --max:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:'Be Vietnam Pro','Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background-image:linear-gradient(rgba(56,189,248,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(56,189,248,.045) 1px,transparent 1px);
  background-size:64px 64px;
  pointer-events:none;
  z-index:0;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:-.02em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
h1{font-size:clamp(28px,4.1vw,44px);font-weight:800}
h2{font-size:clamp(23px,2.9vw,34px);font-weight:800}
h3{font-size:19px;font-weight:700}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 22px;position:relative;z-index:1}
.section{padding:78px 0;position:relative;z-index:1}
.section.alt{background:linear-gradient(180deg,rgba(8,18,41,0),rgba(8,18,41,.85) 45%,rgba(8,18,41,0))}
.section.tint{background:linear-gradient(180deg,rgba(11,26,58,.55),rgba(3,7,18,0))}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--cyan);background:rgba(56,189,248,.1);
  border:1px solid var(--line-strong);border-radius:999px;padding:7px 15px;
}
.section-head{max-width:840px;margin-bottom:38px}
.section-head p{margin-top:14px;font-size:16.5px;color:var(--muted)}
.section-head h2{margin-top:16px}
.lead{font-size:17px;color:var(--muted)}
.grid{display:grid;gap:22px}
.g-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:700;cursor:pointer;
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease,color .25s ease,border-color .25s ease;
}
.btn-primary{background:linear-gradient(135deg,var(--blue),var(--cyan));color:#03121f;box-shadow:0 0 20px rgba(56,189,248,.42)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 34px rgba(56,189,248,.68)}
.btn-primary:active{transform:translateY(1px) scale(.985)}
.btn-gold{background:linear-gradient(135deg,var(--gold),var(--gold-2));color:#2a1a02;box-shadow:0 0 20px rgba(251,191,36,.35)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 0 32px rgba(251,191,36,.6)}
.btn-ghost{background:rgba(255,255,255,.03);border-color:rgba(148,163,184,.38);color:var(--text)}
.btn-ghost:hover{border-color:var(--cyan);color:var(--cyan);box-shadow:0 0 18px rgba(56,189,248,.25)}
.btn-sm{padding:9px 18px;font-size:13.5px}
.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}
.badge{display:inline-block;font-size:11.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;padding:5px 11px;border-radius:999px;border:1px solid var(--line-strong);color:var(--cyan);background:rgba(56,189,248,.09)}
.badge.gold{color:var(--gold);border-color:rgba(251,191,36,.45);background:rgba(251,191,36,.1)}
.badge.rose{color:#fda4af;border-color:rgba(244,63,94,.4);background:rgba(244,63,94,.1)}
.badge.green{color:#6ee7b7;border-color:rgba(52,211,153,.42);background:rgba(52,211,153,.1)}
.chip{
  display:inline-flex;align-items:center;gap:7px;
  padding:8px 15px;border-radius:999px;font-size:13.5px;font-weight:600;
  background:var(--surface);border:1px solid var(--line);color:var(--muted);
  transition:.25s;
}
.chip:hover{color:var(--cyan);border-color:var(--line-strong);background:rgba(56,189,248,.09)}
/* ============ HEADER ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(3,7,18,.84);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:22px;min-height:72px;position:relative}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:40px;height:40px;border-radius:12px;flex-shrink:0;
  background:linear-gradient(135deg,rgba(37,99,235,.9),rgba(56,189,248,.75));
  display:flex;align-items:center;justify-content:center;font-size:19px;
  box-shadow:0 0 18px rgba(56,189,248,.4);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:15.5px;font-weight:800;color:var(--text);letter-spacing:-.01em}
.brand-sub{font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted-2);font-weight:600}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-links a{
  padding:9px 14px;border-radius:10px;font-size:14.5px;font-weight:600;color:var(--muted);
  transition:.22s;white-space:nowrap;
}
.nav-links a:hover{color:var(--text);background:rgba(56,189,248,.09)}
.nav-links a.active{color:var(--cyan);background:rgba(56,189,248,.12);box-shadow:inset 0 -2px 0 var(--cyan)}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:11px;border:1px solid var(--line);
  background:var(--surface);cursor:pointer;align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text)}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
/* ============ CATEGORY HERO ============ */
.cat-hero{
  position:relative;
  padding:74px 0 66px;
  background-image:linear-gradient(115deg,rgba(3,7,18,.96) 12%,rgba(3,7,18,.86) 52%,rgba(8,18,41,.78)),url('/assets/images/779ed3d8f89aa1d7.jpg');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.cat-hero::after{
  content:"";position:absolute;width:560px;height:560px;right:-200px;bottom:-260px;
  background:radial-gradient(circle,rgba(56,189,248,.28),transparent 68%);pointer-events:none;
}
.cat-hero-inner{display:grid;grid-template-columns:1.08fr .92fr;gap:44px;align-items:center;position:relative;z-index:2}
.crumb{display:flex;flex-wrap:wrap;gap:9px;align-items:center;font-size:13px;color:var(--muted-2);margin-bottom:20px}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--cyan)}
.crumb span.sep{color:var(--muted-2)}
.cat-hero h1{margin:18px 0 16px}
.cat-hero h1 .hl{background:linear-gradient(120deg,var(--cyan),var(--holo));-webkit-background-clip:text;background-clip:text;color:transparent}
.cat-hero .lead{max-width:600px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.hero-panel{
  background:linear-gradient(160deg,rgba(11,26,58,.92),rgba(3,7,18,.92));
  border:1px solid var(--line-strong);
  border-radius:var(--radius-lg);
  padding:20px;
  box-shadow:var(--shadow),var(--glow);
}
.hero-panel img{border-radius:var(--radius);margin-bottom:18px;border:1px solid var(--line);width:100%;object-fit:cover;aspect-ratio:16/9}
.mini-stats{display:grid;gap:12px}
.mini-stat{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:12px 14px;border-radius:var(--radius-sm);background:var(--surface);border:1px solid var(--line)}
.mini-stat b{font-size:19px;font-weight:800;color:var(--cyan);white-space:nowrap}
.mini-stat span{font-size:13.5px;color:var(--muted)}
/* ============ STAT CARDS ============ */
.stat-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:24px 22px;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.stat-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:0 14px 34px rgba(2,6,23,.5)}
.stat-value{font-size:32px;font-weight:800;color:var(--cyan);line-height:1.1}
.stat-label{margin-top:8px;font-size:14px;color:var(--muted)}
.stat-note{margin-top:14px;font-size:13px;color:var(--muted-2);border-top:1px dashed var(--line);padding-top:12px}
/* ============ DATA ROWS ============ */
.data-list{display:grid;gap:12px;margin-top:34px}
.data-row{
  display:grid;grid-template-columns:1.1fr 1fr 1.3fr auto;gap:18px;align-items:center;
  padding:16px 20px;border-radius:var(--radius-sm);
  background:linear-gradient(90deg,rgba(11,26,58,.7),rgba(255,255,255,.03));
  border:1px solid var(--line);
  transition:.25s;
}
.data-row:hover{border-color:var(--line-strong);background:linear-gradient(90deg,rgba(37,99,235,.22),rgba(255,255,255,.04))}
.data-row strong{font-size:15.5px;font-weight:700}
.data-row .d-mid{font-size:14px;color:var(--muted)}
.data-row .d-note{font-size:13.5px;color:var(--muted-2)}
/* ============ SPLIT CONTENT ============ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:26px;align-items:start}
.panel{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:28px 26px;
}
.panel h3{font-size:21px;margin-bottom:12px}
.panel p{color:var(--muted);font-size:15.5px}
.panel .note{margin-top:16px;padding-top:16px;border-top:1px dashed var(--line);font-size:14px;color:var(--muted-2)}
.tick-list{margin-top:16px;display:grid;gap:11px}
.tick-list li{display:flex;gap:11px;font-size:15px;color:var(--muted)}
.tick-list li::before{content:"▹";color:var(--cyan);font-weight:800;line-height:1.5}
/* ============ SIGNAL CARDS ============ */
.signal-card{
  background:linear-gradient(165deg,rgba(11,26,58,.72),rgba(3,7,18,.6));
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:24px 22px;
  position:relative;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.signal-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:0 0 26px rgba(56,189,248,.22)}
.signal-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:11px;font-weight:800;font-size:15px;
  background:rgba(56,189,248,.12);border:1px solid var(--line-strong);color:var(--cyan);
  margin-bottom:14px;
}
.signal-card h3{font-size:17.5px;margin-bottom:9px}
.signal-card p{font-size:14.5px;color:var(--muted)}
/* ============ STEPS ============ */
.steps{display:grid;gap:0;margin-top:12px;border-left:2px solid var(--line);padding-left:0}
.step{position:relative;padding:0 0 30px 34px}
.step:last-child{padding-bottom:0}
.step::before{
  content:"";position:absolute;left:-9px;top:6px;width:16px;height:16px;border-radius:50%;
  background:var(--bg);border:2px solid var(--cyan);box-shadow:0 0 12px rgba(56,189,248,.6);
}
.step h3{font-size:18px;margin-bottom:8px}
.step p{font-size:15px;color:var(--muted);max-width:760px}
.step .step-meta{display:inline-block;margin-bottom:10px;font-size:12px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--gold)}
/* ============ MISTAKES ============ */
.mistake-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.mistake{
  border:1px solid rgba(244,63,94,.28);
  background:linear-gradient(160deg,rgba(244,63,94,.09),rgba(3,7,18,.5));
  border-radius:var(--radius);
  padding:22px 22px;
}
.mistake h3{font-size:17px;margin-bottom:9px;color:#fecdd3}
.mistake p{font-size:14.5px;color:var(--muted)}
.mistake .fix{margin-top:12px;font-size:14px;color:#a7f3d0}
.mistake .fix b{color:var(--green)}
/* ============ TOOLS ============ */
.tool-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:24px 22px;
  transition:.25s;
}
.tool-card:hover{border-color:var(--line-strong);background:var(--surface-2);transform:translateY(-3px)}
.tool-icon{
  width:44px;height:44px;border-radius:13px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,rgba(37,99,235,.85),rgba(56,189,248,.7));
  font-size:20px;margin-bottom:15px;box-shadow:0 0 18px rgba(56,189,248,.32);
}
.tool-card h3{font-size:17px;margin-bottom:9px}
.tool-card p{font-size:14.5px;color:var(--muted)}
/* ============ POSTS ============ */
.post-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:22px;
  display:flex;flex-direction:column;gap:12px;
  transition:.25s;
}
.post-card:hover{border-color:var(--line-strong);transform:translateY(-4px);box-shadow:0 16px 36px rgba(2,6,23,.5)}
.post-card .post-cat{font-size:11.5px;font-weight:700;letter-spacing:.09em;text-transform:uppercase;color:var(--cyan)}
.post-card h3{font-size:17px;line-height:1.4}
.post-card p{font-size:14.5px;color:var(--muted)}
.post-card time{font-size:12.5px;color:var(--muted-2);margin-top:auto}
.list-foot{margin-top:28px;display:flex;justify-content:center}
.empty-note{color:var(--muted);font-size:15px;padding:24px 0}
/* ============ FAQ ============ */
.faq{display:grid;gap:14px;max-width:940px}
.faq-item{
  border:1px solid var(--line);
  border-radius:var(--radius-sm);
  background:var(--surface);
  overflow:hidden;
  transition:.25s;
}
.faq-item[open]{border-color:var(--line-strong);background:var(--surface-2)}
.faq-item summary{
  cursor:pointer;list-style:none;padding:18px 22px;font-size:16px;font-weight:600;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";color:var(--cyan);font-size:22px;font-weight:700;line-height:1}
.faq-item[open] summary::after{content:"–"}
.faq-item .faq-body{padding:0 22px 20px;font-size:15px;color:var(--muted);max-width:820px}
/* ============ CTA ============ */
.cta-band{
  background:linear-gradient(135deg,rgba(37,99,235,.24),rgba(8,18,41,.9) 55%,rgba(3,7,18,.95));
  border:1px solid var(--line-strong);
  border-radius:var(--radius-lg);
  padding:44px 40px;
  display:grid;grid-template-columns:1.05fr .95fr;gap:38px;align-items:center;
  box-shadow:var(--shadow),0 0 32px rgba(56,189,248,.16);
}
.cta-band h2{font-size:clamp(22px,2.7vw,30px)}
.cta-band p{color:var(--muted);margin-top:14px;font-size:15.5px}
.trust-line{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.cta-form{display:grid;gap:13px;background:rgba(3,7,18,.55);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.cta-form label{font-size:13px;font-weight:600;color:var(--muted);display:block;margin-bottom:6px}
.cta-form input,.cta-form select{
  width:100%;padding:12px 14px;border-radius:11px;
  background:rgba(255,255,255,.04);border:1px solid var(--line);color:var(--text);
  transition:.22s;
}
.cta-form input::placeholder{color:var(--muted-2)}
.cta-form input:focus,.cta-form select:focus{border-color:var(--cyan);background:rgba(56,189,248,.08);outline:none}
.form-note{font-size:13px;color:var(--muted-2)}
/* ============ FOOTER ============ */
.site-footer{
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(3,7,18,.6),rgba(8,18,41,.85));
  padding:62px 0 26px;position:relative;z-index:1;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1.2fr;gap:38px}
.footer-brand p{margin-top:16px;font-size:14.5px;color:var(--muted);max-width:420px}
.footer-col{display:flex;flex-direction:column;gap:11px}
.footer-col h4{font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted-2);margin-bottom:4px}
.footer-col a,.footer-col span{font-size:14.5px;color:var(--muted);transition:.22s}
.footer-col a:hover{color:var(--cyan)}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--muted-2);
}
.footer-bottom .age{
  display:inline-flex;align-items:center;justify-content:center;
  padding:4px 11px;border-radius:999px;border:1px solid rgba(251,191,36,.45);
  color:var(--gold);font-weight:700;font-size:12px;
}
/* ============ FAB ============ */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  display:inline-flex;align-items:center;gap:10px;
  min-height:56px;padding:12px 20px;border-radius:999px;
  background:rgba(7,7,13,.82);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid rgba(56,189,248,.5);
  box-shadow:0 0 20px rgba(6,182,212,.45);
  font-size:14px;font-weight:700;color:var(--text);
  opacity:.78;transition:.28s;
}
.fab:hover{opacity:1;transform:translateY(-3px);box-shadow:0 0 30px rgba(6,182,212,.7);border-color:var(--cyan)}
.fab:active{transform:scale(.96)}
.fab .fab-dot{
  width:9px;height:9px;border-radius:50%;background:var(--cyan);
  box-shadow:0 0 10px var(--cyan);animation:pulse 1.8s infinite;
}
@keyframes pulse{0%,100%{opacity:.5;transform:scale(.9)}50%{opacity:1;transform:scale(1.2)}}
/* ============ RESPONSIVE ============ */
@media (max-width:1023px){
  .nav-toggle{display:flex}
  .nav-links{
    position:absolute;top:calc(100% + 1px);left:-22px;right:-22px;
    flex-direction:column;align-items:stretch;gap:4px;margin-left:0;
    background:rgba(3,7,18,.98);
    border-bottom:1px solid var(--line);
    padding:14px 22px 20px;
    display:none;
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 14px;font-size:15px}
  .cat-hero-inner{grid-template-columns:1fr;gap:34px}
  .g-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .g-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-band{grid-template-columns:1fr;padding:34px 26px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .data-row{grid-template-columns:1fr 1fr;gap:10px}
  .data-row .d-note{grid-column:1 / -1}
}
@media (max-width:767px){
  .section{padding:58px 0}
  .cat-hero{padding:56px 0 50px}
  .g-2,.g-3,.g-4{grid-template-columns:1fr}
  .split{grid-template-columns:1fr}
  .mistake-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .hero-actions .btn{width:100%}
  .brand-sub{display:none}
  .data-row{grid-template-columns:1fr}
  .fab{bottom:84px;padding:11px 16px;font-size:13px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .nav-actions .btn-ghost{display:none}
  .panel{padding:22px 18px}
  .stat-card{padding:20px 18px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category3 */
:root{
  --bg:#030712;
  --bg-2:#081229;
  --bg-3:#0b1a3a;
  --surface:rgba(255,255,255,.045);
  --surface-2:rgba(255,255,255,.08);
  --line:rgba(96,165,250,.18);
  --line-strong:rgba(56,189,248,.45);
  --blue:#2563eb;
  --cyan:#38bdf8;
  --holo:#60a5fa;
  --gold:#fbbf24;
  --gold-2:#d4af37;
  --rose:#f43f5e;
  --green:#34d399;
  --text:#f8fafc;
  --muted:#94a3b8;
  --muted-2:#64748b;
  --radius:18px;
  --radius-sm:12px;
  --radius-lg:26px;
  --shadow:0 18px 45px rgba(2,6,23,.55);
  --glow:0 0 22px 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;
  background:var(--bg);
  color:var(--text);
  font-family:'Be Vietnam Pro','Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background-image:linear-gradient(rgba(56,189,248,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(56,189,248,.045) 1px,transparent 1px);
  background-size:64px 64px;
  pointer-events:none;
  z-index:0;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,figure{margin:0}
ul{margin:0;padding:0;list-style:none}
h1{font-size:clamp(27px,4.1vw,44px);font-weight:800;line-height:1.2;letter-spacing:-.02em}
h2{font-size:clamp(22px,2.9vw,33px);font-weight:800;line-height:1.25;letter-spacing:-.02em}
h3{font-size:19px;font-weight:700;line-height:1.35}
h4{font-size:15px;font-weight:700}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,select: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 22px;position:relative;z-index:1}
main{position:relative;z-index:1}
.section{padding:78px 0;position:relative;z-index:1}
.section.alt{background:linear-gradient(180deg,rgba(8,18,41,0),rgba(8,18,41,.85) 45%,rgba(8,18,41,0))}
.section.tint{background:linear-gradient(180deg,rgba(11,26,58,.6),rgba(3,7,18,0))}
.section.line-top{border-top:1px solid var(--line)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--cyan);background:rgba(56,189,248,.1);
  border:1px solid var(--line-strong);border-radius:999px;padding:7px 15px;
}
.section-head{max-width:840px;margin-bottom:38px}
.section-head p{margin-top:14px;font-size:16.5px;color:var(--muted)}
.section-head h2{margin-top:16px}
.lead{font-size:17px;color:var(--muted)}
.grid{display:grid;gap:22px}
.g-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:700;cursor:pointer;
  transition:transform .25s ease,box-shadow .25s ease,background .25s ease,color .25s ease,border-color .25s ease;
}
.btn-primary{background:linear-gradient(135deg,var(--blue),var(--cyan));color:#03121f;box-shadow:0 0 20px rgba(56,189,248,.42)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 34px rgba(56,189,248,.68)}
.btn-primary:active{transform:translateY(1px) scale(.985)}
.btn-gold{background:linear-gradient(135deg,var(--gold),var(--gold-2));color:#2a1a02;box-shadow:0 0 20px rgba(251,191,36,.35)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 0 32px rgba(251,191,36,.6)}
.btn-ghost{background:rgba(255,255,255,.03);border-color:rgba(148,163,184,.38);color:var(--text)}
.btn-ghost:hover{border-color:var(--cyan);color:var(--cyan)}
.btn-sm{padding:9px 18px;font-size:13.5px}
.btn-block{width:100%}
.badge{display:inline-block;font-size:11.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;padding:5px 11px;border-radius:999px;border:1px solid var(--line-strong);color:var(--cyan);background:rgba(56,189,248,.09)}
.badge.gold{color:var(--gold);border-color:rgba(251,191,36,.45);background:rgba(251,191,36,.1)}
.badge.rose{color:#fda4af;border-color:rgba(244,63,94,.4);background:rgba(244,63,94,.1)}
.badge.green{color:#6ee7b7;border-color:rgba(52,211,153,.4);background:rgba(52,211,153,.1)}
.chip{
  display:inline-flex;align-items:center;gap:7px;
  padding:8px 15px;border-radius:999px;font-size:13.5px;font-weight:600;
  background:var(--surface);border:1px solid var(--line);color:var(--muted);
  transition:.25s;
}
.chip:hover{color:var(--cyan);border-color:var(--line-strong);background:rgba(56,189,248,.09)}
.glass{
  background:linear-gradient(160deg,rgba(255,255,255,.075),rgba(255,255,255,.028));
  border:1px solid var(--line);
  border-radius:var(--radius);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow);
}
/* ============ HEADER ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(3,7,18,.84);
  backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:22px;min-height:72px;position:relative}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:40px;height:40px;border-radius:12px;flex-shrink:0;
  background:linear-gradient(135deg,rgba(37,99,235,.9),rgba(56,189,248,.75));
  display:flex;align-items:center;justify-content:center;font-size:19px;
  box-shadow:0 0 18px rgba(56,189,248,.4);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:15.5px;font-weight:800;color:var(--text);letter-spacing:-.01em}
.brand-sub{font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted-2);font-weight:600}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-links a{
  padding:9px 14px;border-radius:10px;font-size:14.5px;font-weight:600;color:var(--muted);
  transition:.22s;white-space:nowrap;
}
.nav-links a:hover{color:var(--text);background:rgba(56,189,248,.09)}
.nav-links a.active{color:var(--cyan);background:rgba(56,189,248,.12);box-shadow:inset 0 -2px 0 var(--cyan)}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:11px;border:1px solid var(--line);
  background:var(--surface);cursor:pointer;align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text)}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
/* ============ HERO ============ */
.cat-hero{
  position:relative;
  padding:80px 0 70px;
  background-image:linear-gradient(180deg,rgba(3,7,18,.93),rgba(3,7,18,.86) 50%,rgba(3,7,18,.98)),url('/assets/images/779ed3d8f89aa1d7.jpg');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.cat-hero::after{
  content:"";position:absolute;width:640px;height:640px;right:-200px;top:-240px;
  background:radial-gradient(circle,rgba(37,99,235,.34),transparent 68%);pointer-events:none;
}
.cat-hero::before{
  content:"";position:absolute;width:460px;height:460px;left:-180px;bottom:-220px;
  background:radial-gradient(circle,rgba(56,189,248,.2),transparent 70%);pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;position:relative;z-index:2}
.hero-copy h1{margin:20px 0 18px}
.hero-copy .lead{max-width:620px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-visual{position:relative}
.poster{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line-strong);
  box-shadow:0 26px 60px rgba(2,6,23,.7),0 0 40px rgba(56,189,248,.18);
}
.poster img{width:100%;aspect-ratio:16/11;object-fit:cover}
.poster::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(3,7,18,.05) 35%,rgba(3,7,18,.86))}
.poster-chip{position:absolute;top:16px;left:16px;z-index:3}
.poster-chip-2{position:absolute;top:16px;right:16px;z-index:3}
.poster-caption{
  position:absolute;left:20px;right:20px;bottom:18px;z-index:3;
  font-size:14px;font-weight:600;color:#e2e8f0;
}
.poster-caption span{display:block;font-size:12.5px;font-weight:500;color:var(--muted)}
.visual-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:16px}
.vs{
  padding:14px 12px;border-radius:var(--radius-sm);text-align:left;
  background:linear-gradient(160deg,rgba(255,255,255,.07),rgba(255,255,255,.02));
  border:1px solid var(--line);
}
.vs strong{display:block;font-size:20px;font-weight:800;color:var(--cyan)}
.vs span{font-size:12.5px;color:var(--muted);line-height:1.4;display:block;margin-top:2px}
/* ============ STATS ============ */
.stat-card{padding:26px 22px;position:relative;overflow:hidden;transition:.3s}
.stat-card::before{
  content:"";position:absolute;left:0;top:0;width:100%;height:3px;
  background:linear-gradient(90deg,var(--blue),var(--cyan));opacity:.85;
}
.stat-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:0 0 28px rgba(56,189,248,.2)}
.stat-card .label{font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--muted-2)}
.stat-card .num{font-size:36px;font-weight:800;line-height:1.1;margin-top:10px;background:linear-gradient(120deg,var(--cyan),var(--holo));-webkit-background-clip:text;background-clip:text;color:transparent}
.stat-card h3{margin-top:6px;font-size:16.5px}
.stat-card p{margin-top:10px;font-size:14.5px;color:var(--muted)}
/* ============ CARDS ============ */
.card{padding:26px 24px;transition:.3s;height:100%}
.card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:0 0 30px rgba(56,189,248,.22)}
.card-icon{
  width:46px;height:46px;border-radius:13px;display:flex;align-items:center;justify-content:center;
  font-size:19px;color:var(--cyan);background:rgba(56,189,248,.1);border:1px solid var(--line-strong);
}
.card h3{margin:16px 0 10px}
.card p{font-size:14.8px;color:var(--muted)}
.card ul{margin-top:14px}
.card ul li{position:relative;padding-left:20px;font-size:14.2px;color:var(--muted);margin-top:9px}
.card ul li::before{content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 9px rgba(56,189,248,.85)}
/* ============ SPLIT HEAD ============ */
.split-head{display:grid;grid-template-columns:.95fr 1.05fr;gap:34px;align-items:end;margin-bottom:36px}
.split-head p{color:var(--muted);font-size:16px}
.split-head h2{margin-top:14px}
/* ============ COMPARE ============ */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.panel{padding:28px 26px;border-radius:var(--radius);border:1px solid var(--line);background:linear-gradient(160deg,rgba(255,255,255,.06),rgba(255,255,255,.02))}
.panel.good{border-color:rgba(52,211,153,.35);background:linear-gradient(160deg,rgba(52,211,153,.09),rgba(255,255,255,.02))}
.panel.bad{border-color:rgba(244,63,94,.3);background:linear-gradient(160deg,rgba(244,63,94,.08),rgba(255,255,255,.02))}
.panel h3{margin-bottom:16px;display:flex;align-items:center;gap:10px}
.panel.good h3 i{color:var(--green)}
.panel.bad h3 i{color:var(--rose)}
.panel li{display:flex;gap:11px;font-size:14.8px;color:var(--muted);padding:11px 0;border-bottom:1px dashed rgba(148,163,184,.16)}
.panel li:last-child{border-bottom:0;padding-bottom:0}
.panel li i{margin-top:4px;flex-shrink:0}
.panel.good li i{color:var(--green)}
.panel.bad li i{color:var(--rose)}
/* ============ TIMELINE ============ */
.timeline{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;position:relative}
.milestone{padding:24px 20px;border-radius:var(--radius);border:1px solid var(--line);background:linear-gradient(160deg,rgba(255,255,255,.06),rgba(255,255,255,.02));position:relative;transition:.3s}
.milestone:hover{border-color:var(--line-strong);transform:translateY(-4px)}
.milestone .step{
  width:38px;height:38px;border-radius:11px;display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:15px;color:#03121f;background:linear-gradient(135deg,var(--blue),var(--cyan));
  box-shadow:0 0 18px rgba(56,189,248,.4);
}
.milestone .phase{font-size:12px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--muted-2);margin-top:16px}
.milestone h3{margin-top:8px;font-size:17px}
.milestone p{margin-top:10px;font-size:14.3px;color:var(--muted)}
/* ============ CHANNELS ============ */
.channel-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:18px}
.channel{
  padding:24px 22px;border-radius:var(--radius);border:1px solid var(--line);
  background:linear-gradient(160deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  display:flex;flex-direction:column;gap:12px;transition:.3s;
}
.channel:hover{border-color:var(--line-strong);transform:translateY(-4px);box-shadow:0 0 26px rgba(56,189,248,.2)}
.channel i{font-size:20px;color:var(--cyan)}
.channel p{font-size:14.4px;color:var(--muted);flex:1}
.channel .more{font-size:14px;font-weight:700;color:var(--cyan);display:inline-flex;align-items:center;gap:7px}
.channel .more:hover{gap:11px}
/* ============ NEWS ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.news-card{
  border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);
  background:linear-gradient(160deg,rgba(255,255,255,.06),rgba(255,255,255,.02));
  display:flex;flex-direction:column;transition:.3s;
}
.news-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:0 0 28px rgba(56,189,248,.22)}
.news-thumb{display:block;overflow:hidden;aspect-ratio:16/10}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.news-card:hover .news-thumb img{transform:scale(1.06)}
.news-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-body h3{font-size:16.5px}
.news-body h3 a:hover{color:var(--cyan)}
.news-body p{font-size:14.2px;color:var(--muted);flex:1}
.news-meta{display:flex;flex-wrap:wrap;gap:10px;font-size:12.5px;color:var(--muted-2);border-top:1px solid rgba(148,163,184,.14);padding-top:12px}
.news-meta span{display:inline-flex;align-items:center;gap:6px}
.empty-note{padding:26px;border-radius:var(--radius);border:1px dashed var(--line-strong);color:var(--muted);text-align:left}
/* ============ GUARANTEE ============ */
.guarantee{
  border-radius:var(--radius-lg);border:1px solid var(--line);overflow:hidden;
  background-image:linear-gradient(120deg,rgba(3,7,18,.94),rgba(8,18,41,.86)),url('/assets/images/9a7a03b83361b33b.jpg');
  background-size:cover;background-position:center;
}
.guarantee-inner{padding:44px 40px;display:grid;grid-template-columns:.95fr 1.05fr;gap:36px;align-items:center}
.guarantee-inner h2{margin-top:16px}
.guarantee-inner p{color:var(--muted);margin-top:14px;font-size:15.6px}
.g-list{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.g-item{padding:18px;border-radius:var(--radius-sm);background:rgba(255,255,255,.05);border:1px solid var(--line)}
.g-item i{color:var(--cyan);font-size:18px}
.g-item h4{margin-top:10px}
.g-item span{display:block;font-size:13.6px;color:var(--muted);margin-top:6px}
.pay-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.pay{display:inline-flex;align-items:center;gap:9px;padding:11px 16px;border-radius:14px;background:rgba(255,255,255,.05);border:1px solid var(--line);font-weight:600;font-size:14px;transition:.25s}
.pay:hover{border-color:var(--line-strong);color:var(--cyan)}
.pay i{color:var(--cyan)}
/* ============ QUICK ANSWERS ============ */
.quick-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-bottom:40px}
.quick{padding:22px;border-radius:var(--radius);border:1px solid var(--line);background:rgba(255,255,255,.04)}
.quick h4{color:var(--cyan);font-size:14px;letter-spacing:.02em}
.quick p{margin-top:9px;font-size:14.4px;color:var(--muted)}
/* ============ FAQ ============ */
.faq-list{max-width:920px}
.faq-item{border:1px solid var(--line);border-radius:var(--radius-sm);background:linear-gradient(160deg,rgba(255,255,255,.06),rgba(255,255,255,.02));overflow:hidden}
.faq-item+.faq-item{margin-top:12px}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 22px;font-weight:700;font-size:16px;
  display:flex;justify-content:space-between;align-items:center;gap:16px;transition:.25s;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:21px;line-height:1;color:var(--cyan);flex-shrink:0;transition:transform .25s ease}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item summary:hover{color:var(--cyan)}
.faq-body{padding:0 22px 20px;font-size:15px;color:var(--muted);line-height:1.7}
/* ============ FORM ============ */
.form-wrap{display:grid;grid-template-columns:1fr 1fr;gap:36px;align-items:start}
.form-panel{padding:32px 28px;border-radius:var(--radius);border:1px solid var(--line-strong);background:linear-gradient(160deg,rgba(37,99,235,.16),rgba(255,255,255,.03));box-shadow:0 0 34px rgba(56,189,248,.16)}
.field{display:flex;flex-direction:column;gap:8px;margin-bottom:16px}
.field label{font-size:12.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted-2)}
.field input,.field select{
  width:100%;padding:13px 15px;border-radius:var(--radius-sm);
  background:rgba(3,7,18,.7);border:1px solid var(--line);color:var(--text);transition:.22s;
}
.field input::placeholder{color:#4b5b74}
.field input:focus,.field select:focus{outline:none;border-color:var(--line-strong);box-shadow:0 0 0 3px rgba(56,189,248,.18)}
.form-note{font-size:13.4px;color:var(--muted-2);margin-top:12px}
.form-msg{margin-top:14px;font-size:14.5px;color:var(--green);display:none}
.form-msg.show{display:block}
.form-side h2{margin-top:16px}
.form-side p{color:var(--muted);margin-top:14px;font-size:15.6px}
.form-side ul{margin-top:22px}
.form-side li{display:flex;gap:12px;padding:12px 0;border-bottom:1px dashed rgba(148,163,184,.16);font-size:14.8px;color:var(--muted)}
.form-side li:last-child{border-bottom:0}
.form-side li i{color:var(--cyan);margin-top:5px;flex-shrink:0}
/* ============ FAB ============ */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:60;
  display:inline-flex;align-items:center;gap:10px;
  min-width:56px;min-height:56px;padding:12px 18px;border-radius:999px;
  background:linear-gradient(rgba(7,10,22,.86),rgba(7,10,22,.86)) padding-box,
             linear-gradient(120deg,var(--cyan),var(--blue)) border-box;
  border:1.5px solid transparent;
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:0 0 20px rgba(6,182,212,.45);
  color:var(--text);font-weight:700;font-size:14px;
  transition:transform .25s ease,box-shadow .25s ease,opacity .25s ease;
}
.fab i{color:var(--cyan);font-size:17px;animation:fabFlicker 3.2s infinite}
.fab:hover{transform:translateY(-3px);box-shadow:0 0 34px rgba(6,182,212,.72)}
.fab:active{transform:scale(.97) translateY(1px);box-shadow:0 0 14px rgba(244,63,94,.55)}
.fab::after{
  content:"";position:absolute;top:8px;right:10px;width:9px;height:9px;border-radius:50%;
  background:var(--rose);box-shadow:0 0 9px var(--rose);animation:fabPulse 1.8s infinite;
}
.fab-label{display:inline}
@keyframes fabFlicker{0%,92%,100%{opacity:1}94%{opacity:.35}96%{opacity:1}98%{opacity:.5}}
@keyframes fabPulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.45;transform:scale(.8)}}
/* ============ FOOTER ============ */
.site-footer{border-top:1px solid var(--line);background:linear-gradient(180deg,rgba(8,18,41,.7),rgba(3,7,18,.98));padding:56px 0 26px;position:relative;z-index:1}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1.1fr;gap:34px}
.footer-brand p{margin-top:16px;font-size:14.4px;color:var(--muted);max-width:420px}
.footer-col h4{font-size:14px;letter-spacing:.06em;text-transform:uppercase;color:var(--text);margin-bottom:14px}
.footer-col a,.footer-col span{display:block;font-size:14.2px;color:var(--muted);padding:6px 0;transition:.22s}
.footer-col a:hover{color:var(--cyan)}
.footer-bottom{
  margin-top:36px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  font-size:13.2px;color:var(--muted-2);
}
.footer-bottom .age{border:1px solid var(--line-strong);color:var(--cyan);border-radius:999px;padding:4px 11px;font-weight:700;font-size:12px}
/* ============ RESPONSIVE ============ */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .split-head{grid-template-columns:1fr;gap:14px;align-items:start}
  .g-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .g-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .timeline{grid-template-columns:repeat(2,minmax(0,1fr))}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .channel-grid{grid-template-columns:1fr 1fr}
  .quick-grid{grid-template-columns:1fr 1fr}
  .guarantee-inner{grid-template-columns:1fr;padding:36px 30px}
  .form-wrap{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
}
@media (max-width:980px){
  .nav-links{
    position:absolute;top:100%;left:-22px;right:-22px;
    flex-direction:column;align-items:stretch;gap:4px;margin-left:0;
    background:rgba(4,9,22,.99);border-bottom:1px solid var(--line);
    padding:14px 22px 22px;display:none;
    box-shadow:0 22px 40px rgba(2,6,23,.6);
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 14px;font-size:15px}
  .nav-toggle{display:flex}
  .nav-actions{margin-left:auto}
}
@media (max-width:768px){
  .section{padding:56px 0}
  .cat-hero{padding:56px 0 48px}
  .compare{grid-template-columns:1fr}
  .g-2,.g-3{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .channel-grid{grid-template-columns:1fr}
  .quick-grid{grid-template-columns:1fr}
  .g-list{grid-template-columns:1fr}
  .brand-sub{display:none}
  .hero-cta .btn{flex:1 1 100%}
  .visual-stats{grid-template-columns:1fr 1fr 1fr}
  .footer-grid{grid-template-columns:1fr}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .header-inner{gap:12px;min-height:66px}
  .brand-name{font-size:14px;max-width:150px;line-height:1.2}
  .nav-actions .btn-sm{padding:8px 13px;font-size:12.5px}
  .timeline{grid-template-columns:1fr}
  .g-4{grid-template-columns:1fr}
  .visual-stats{grid-template-columns:1fr}
  .hero-tags .chip{font-size:12.5px;padding:7px 12px}
  .stat-card .num{font-size:30px}
  .guarantee-inner{padding:28px 20px}
  .form-panel{padding:24px 20px}
  .fab{bottom:84px;padding:11px 15px;font-size:13px}
  .fab-label{display:none}
}