/* roulang page: index */
:root{
  --bg:#030712;
  --bg-soft:#081229;
  --panel:rgba(11,23,48,.74);
  --panel-solid:#0B1730;
  --line:rgba(56,189,248,.16);
  --line-strong:rgba(56,189,248,.40);
  --blue:#2563EB;
  --cyan:#38BDF8;
  --holo:#60A5FA;
  --text:#F8FAFC;
  --soft:#CBD5E1;
  --muted:#94A3B8;
  --green:#22C55E;
  --amber:#FACC15;
  --pink:#F43F5E;
  --radius-lg:22px;
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 22px 48px rgba(2,6,23,.62);
  --glow:0 0 26px rgba(56,189,248,.30);
  --max:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:'Be Vietnam Pro','Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.62;
  overflow-x:hidden;
}
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:1.22;font-weight:800;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 20px}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(3,7,18,.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:18px;min-height:74px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;min-width:0}
.logo-mark{
  width:38px;height:38px;flex:0 0 38px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,var(--blue),var(--cyan));
  border-radius:12px;
  color:#04121F;font-size:18px;
  box-shadow:0 0 18px rgba(56,189,248,.45);
}
.logo-text{
  font-size:15.5px;font-weight:800;letter-spacing:-.02em;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:270px;
  background:linear-gradient(92deg,#F8FAFC,#7DD3FC);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:12px}
.nav-link{
  padding:9px 14px;border-radius:999px;font-size:14.5px;font-weight:500;
  color:var(--muted);border:1px solid transparent;transition:.22s;white-space:nowrap;
}
.nav-link:hover{color:var(--text);background:rgba(56,189,248,.10)}
.nav-link.is-active{
  color:#fff;background:rgba(37,99,235,.22);border-color:var(--line-strong);
  box-shadow:inset 0 0 18px rgba(56,189,248,.14);
}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:11px 22px;border-radius:999px;font-size:14.5px;font-weight:700;
  border:1px solid transparent;cursor:pointer;transition:.24s;white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--blue),var(--cyan));
  color:#03121F;box-shadow:0 0 20px rgba(56,189,248,.38);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 30px rgba(56,189,248,.6)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{color:var(--holo);border-color:var(--line-strong);background:transparent}
.btn-ghost:hover{background:rgba(56,189,248,.12);color:#fff}
.btn-lg{padding:15px 30px;font-size:16px}
.btn-block{width:100%}
.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:rgba(56,189,248,.07);cursor:pointer;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--cyan);margin:0 auto;border-radius:2px;transition:.25s}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- Sections ---------- */
.section{padding:74px 0;position:relative}
.section--soft{background:linear-gradient(180deg,#050C1C,#081229)}
.section--line{border-top:1px solid var(--line)}
.section-head{max-width:820px;margin-bottom:38px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--cyan);background:rgba(56,189,248,.10);
  border:1px solid var(--line);border-radius:999px;padding:6px 14px;margin-bottom:16px;
}
.section-head h2{font-size:clamp(24px,3vw,36px);margin-bottom:14px}
.section-sub{color:var(--muted);font-size:16px;max-width:760px}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;padding:64px 0 78px;
  background:
    linear-gradient(180deg,rgba(3,7,18,.80) 0%,rgba(3,7,18,.93) 55%,rgba(3,7,18,1) 100%),
    url('/assets/images/65291842770ee274.jpg') center/cover no-repeat;
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(56,189,248,.07) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(56,189,248,.07) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 70% 20%,#000 0%,transparent 72%);
  -webkit-mask-image:radial-gradient(circle at 70% 20%,#000 0%,transparent 72%);
}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.04fr .96fr;gap:52px;align-items:start}
.hero-badge{
  display:inline-flex;align-items:center;gap:9px;font-size:12.5px;font-weight:700;
  letter-spacing:.1em;text-transform:uppercase;color:var(--amber);
  background:rgba(250,204,21,.09);border:1px solid rgba(250,204,21,.28);
  border-radius:999px;padding:7px 15px;margin-bottom:20px;
}
.hero h1{font-size:clamp(28px,3.7vw,46px);line-height:1.16;margin-bottom:20px}
.hero h1 span{
  background:linear-gradient(96deg,#38BDF8,#60A5FA 55%,#A3E635);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{color:var(--soft);font-size:16.5px;max-width:620px;margin-bottom:26px}
.hero-stats{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px}
.hero-stat{
  background:rgba(11,23,48,.72);border:1px solid var(--line);
  border-radius:var(--radius);padding:13px 18px;min-width:150px;
}
.hero-stat strong{display:block;font-size:20px;color:var(--cyan)}
.hero-stat span{font-size:12.5px;color:var(--muted)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}

.quiz{
  background:linear-gradient(160deg,rgba(11,23,48,.92),rgba(8,18,41,.86));
  border:1px solid var(--line-strong);border-radius:var(--radius-lg);
  padding:26px;box-shadow:var(--shadow),var(--glow);
}
.quiz-title{font-size:18px;margin-bottom:6px}
.quiz-note{font-size:13.5px;color:var(--muted);margin-bottom:20px}
.quiz-group{margin-bottom:18px}
.quiz-group h3{font-size:13px;text-transform:uppercase;letter-spacing:.1em;color:var(--holo);margin-bottom:10px;font-weight:700}
.chip-row{display:flex;flex-wrap:wrap;gap:9px}
.chip{
  padding:8px 15px;border-radius:999px;font-size:13.5px;font-weight:600;
  background:rgba(56,189,248,.06);border:1px solid var(--line);color:var(--soft);
  cursor:pointer;transition:.2s;
}
.chip:hover{border-color:var(--line-strong);color:#fff}
.chip.is-on{background:rgba(37,99,235,.30);border-color:var(--cyan);color:#fff;box-shadow:0 0 14px rgba(56,189,248,.28)}
.quiz-result{
  border-left:3px solid var(--cyan);background:rgba(37,99,235,.13);
  border-radius:0 var(--radius) var(--radius) 0;padding:16px 18px;margin-bottom:18px;
}
.quiz-result h4{font-size:12.5px;text-transform:uppercase;letter-spacing:.1em;color:var(--cyan);margin-bottom:8px;font-weight:700}
.quiz-result p{font-size:14.5px;color:var(--soft)}

/* ---------- Marquee / rails ---------- */
.rails{padding:22px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:rgba(8,18,41,.6)}
.rails-inner{display:flex;align-items:center;gap:14px;flex-wrap:wrap;justify-content:space-between}
.rails-label{font-size:12.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);font-weight:700}
.rail-list{display:flex;flex-wrap:wrap;gap:10px}
.rail{
  display:inline-flex;align-items:center;gap:8px;font-size:13.5px;font-weight:600;
  padding:8px 14px;border-radius:999px;background:rgba(56,189,248,.07);
  border:1px solid var(--line);color:var(--soft);
}
.rail i{color:var(--cyan)}

/* ---------- Directory ---------- */
.dir-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.dir-item{
  display:flex;gap:14px;align-items:flex-start;padding:16px 18px;
  border:1px solid var(--line);border-radius:var(--radius);
  background:rgba(11,23,48,.55);transition:.24s;
}
.dir-item:hover{border-color:var(--line-strong);transform:translateY(-3px);background:rgba(37,99,235,.14)}
.dir-num{
  flex:0 0 30px;height:30px;display:grid;place-items:center;border-radius:9px;
  background:rgba(56,189,248,.12);color:var(--cyan);font-size:13px;font-weight:800;
}
.dir-item strong{display:block;font-size:15px;margin-bottom:3px}
.dir-item span{font-size:13px;color:var(--muted)}

/* ---------- Overview (asymmetric) ---------- */
.overview-grid{display:grid;grid-template-columns:.82fr 1.18fr;gap:48px;align-items:start}
.overview-left{position:sticky;top:104px}
.overview-left h2{font-size:clamp(24px,2.7vw,34px);margin:14px 0 16px}
.overview-left p{color:var(--muted)}
.ov-block{padding:24px 0;border-bottom:1px dashed var(--line)}
.ov-block:first-child{padding-top:0}
.ov-block:last-child{border-bottom:none;padding-bottom:0}
.ov-block h3{font-size:19px;margin-bottom:10px;display:flex;gap:11px;align-items:flex-start}
.ov-block h3 i{color:var(--cyan);font-size:16px;margin-top:5px}
.ov-block p{color:var(--soft);font-size:15.4px}

/* ---------- Chart ---------- */
.chart-grid{display:grid;grid-template-columns:1.35fr .65fr;gap:30px;align-items:start}
.chart-panel{
  background:linear-gradient(160deg,rgba(11,23,48,.9),rgba(6,14,33,.9));
  border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px;
}
.chart-row{margin-bottom:20px}
.chart-row:last-child{margin-bottom:0}
.chart-label{display:flex;justify-content:space-between;font-size:14px;margin-bottom:8px;color:var(--soft)}
.chart-label strong{color:var(--cyan);font-weight:700}
.chart-track{height:9px;border-radius:999px;background:rgba(56,189,248,.10);overflow:hidden}
.chart-fill{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--blue),var(--cyan));box-shadow:0 0 14px rgba(56,189,248,.5)}
.chart-side img{border-radius:var(--radius-lg);border:1px solid var(--line);margin-bottom:18px}
.metric-box{
  background:rgba(11,23,48,.72);border:1px solid var(--line);border-radius:var(--radius);
  padding:16px 18px;margin-bottom:12px;
}
.metric-box strong{display:block;font-size:24px;color:#fff;line-height:1.2}
.metric-box span{font-size:13px;color:var(--muted)}

/* ---------- Category wall ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.cat-card{
  display:flex;flex-direction:column;border:1px solid var(--line);
  border-radius:var(--radius-lg);overflow:hidden;background:rgba(11,23,48,.62);
  transition:.28s;
}
.cat-card:hover{transform:translateY(-6px);border-color:var(--line-strong);box-shadow:var(--shadow),0 0 24px rgba(56,189,248,.22)}
.cat-thumb{position:relative;aspect-ratio:16/9;overflow:hidden}
.cat-thumb img{width:100%;height:100%;object-fit:cover;transition:.4s}
.cat-card:hover .cat-thumb img{transform:scale(1.06)}
.cat-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(3,7,18,.05),rgba(3,7,18,.86))}
.cat-body{padding:20px 22px 24px}
.cat-body h3{font-size:18px;margin-bottom:9px}
.cat-body p{font-size:14.4px;color:var(--muted);margin-bottom:16px}
.cat-more{font-size:14px;font-weight:700;color:var(--cyan);display:inline-flex;align-items:center;gap:8px}
.cat-card:hover .cat-more{gap:12px}

/* ---------- Steps ---------- */
.track-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.track{
  border:1px solid var(--line);border-radius:var(--radius-lg);padding:26px;
  background:linear-gradient(170deg,rgba(11,23,48,.8),rgba(5,12,28,.8));
}
.track h3{font-size:19px;margin-bottom:6px;display:flex;align-items:center;gap:10px}
.track h3 i{color:var(--cyan)}
.track .track-note{font-size:13.5px;color:var(--muted);margin-bottom:20px}
.step{display:flex;gap:14px;padding:14px 0;border-top:1px solid var(--line)}
.step:first-of-type{border-top:none}
.step-num{
  flex:0 0 30px;height:30px;border-radius:50%;display:grid;place-items:center;
  background:rgba(37,99,235,.24);border:1px solid var(--line-strong);
  color:var(--cyan);font-size:13px;font-weight:800;
}
.step strong{display:block;font-size:15px;margin-bottom:4px}
.step p{font-size:13.8px;color:var(--muted)}

/* ---------- Payment ---------- */
.pay-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.pay-card{
  border:1px solid var(--line);border-radius:var(--radius);padding:22px 20px;
  background:rgba(11,23,48,.6);transition:.24s;
}
.pay-card:hover{border-color:var(--line-strong);transform:translateY(-4px);background:rgba(37,99,235,.14)}
.pay-icon{
  width:44px;height:44px;border-radius:13px;display:grid;place-items:center;
  background:rgba(56,189,248,.12);color:var(--cyan);font-size:18px;margin-bottom:14px;
}
.pay-card h3{font-size:16px;margin-bottom:8px}
.pay-card ul li{font-size:13.6px;color:var(--muted);padding:4px 0;display:flex;justify-content:space-between;gap:10px}
.pay-card ul li b{color:var(--soft);font-weight:600}

/* ---------- Scenario matrix ---------- */
.matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.matrix-item{
  border-left:3px solid var(--cyan);background:rgba(11,23,48,.55);
  border-radius:0 var(--radius) var(--radius) 0;padding:18px 20px;
}
.matrix-item h3{font-size:15.5px;margin-bottom:7px}
.matrix-item p{font-size:13.8px;color:var(--muted)}

/* ---------- Security ---------- */
.secure{
  background:
    linear-gradient(180deg,rgba(3,7,18,.92),rgba(3,7,18,.97)),
    url('/assets/images/ba533d3adcda3485.jpg') center/cover no-repeat;
}
.secure-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.secure-item{display:flex;gap:15px;padding:20px;border:1px solid var(--line);border-radius:var(--radius);background:rgba(8,18,41,.7)}
.secure-item i{color:var(--green);font-size:20px;margin-top:3px}
.secure-item h3{font-size:15.5px;margin-bottom:6px}
.secure-item p{font-size:13.8px;color:var(--muted)}

/* ---------- Numbers ---------- */
.num-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.num-card{
  border:1px solid var(--line);border-radius:var(--radius);padding:24px 20px;
  background:linear-gradient(170deg,rgba(37,99,235,.18),rgba(11,23,48,.6));
}
.num-card strong{display:block;font-size:30px;line-height:1.1;color:#fff;margin-bottom:8px}
.num-card strong em{font-style:normal;font-size:16px;color:var(--cyan)}
.num-card span{font-size:13.4px;color:var(--muted)}

/* ---------- Reviews ---------- */
.review-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.review{
  border:1px solid var(--line);border-radius:var(--radius);padding:22px;
  background:rgba(11,23,48,.6);position:relative;
}
.review .quote{font-size:15px;color:var(--soft);margin-bottom:16px}
.review .who{display:flex;align-items:center;gap:12px}
.avatar{
  width:38px;height:38px;border-radius:50%;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--blue),var(--cyan));color:#04121F;font-weight:800;font-size:14px;
}
.who b{display:block;font-size:14px}
.who span{font-size:12.5px;color:var(--muted)}
.stars{color:var(--amber);font-size:12.5px;margin-bottom:12px;letter-spacing:2px}

/* ---------- Tips list ---------- */
.tips{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.tip{
  display:flex;gap:14px;padding:18px;border:1px solid var(--line);
  border-radius:var(--radius);background:rgba(8,18,41,.62);
}
.tip b.num{
  flex:0 0 34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:rgba(244,63,94,.14);color:#FDA4AF;font-size:14px;
}
.tip h3{font-size:15px;margin-bottom:6px}
.tip p{font-size:13.6px;color:var(--muted)}

/* ---------- News ---------- */
.news-layout{display:grid;grid-template-columns:1.5fr .9fr;gap:32px;align-items:start}
.news-list{display:grid;gap:18px}
.news-card{
  display:grid;grid-template-columns:210px 1fr;gap:20px;
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  background:rgba(11,23,48,.58);transition:.24s;
}
.news-card:hover{border-color:var(--line-strong);background:rgba(37,99,235,.13)}
.news-thumb{overflow:hidden;display:block}
.news-thumb img{width:100%;height:100%;min-height:150px;object-fit:cover}
.news-body{padding:18px 20px 18px 0}
.news-meta{display:flex;flex-wrap:wrap;gap:12px;font-size:12.5px;color:var(--muted);margin-bottom:9px}
.news-meta b{color:var(--cyan);font-weight:600}
.news-body h3{font-size:16.5px;margin-bottom:8px}
.news-body h3 a:hover{color:var(--cyan)}
.news-body p{font-size:13.8px;color:var(--muted)}
.news-side{
  border:1px solid var(--line);border-radius:var(--radius-lg);padding:22px;
  background:linear-gradient(170deg,rgba(11,23,48,.85),rgba(5,12,28,.85));
}
.news-side h3{font-size:16px;margin-bottom:16px;display:flex;align-items:center;gap:9px}
.news-side h3 i{color:var(--amber)}
.side-item{display:flex;gap:12px;padding:12px 0;border-top:1px solid var(--line)}
.side-item:first-of-type{border-top:none;padding-top:0}
.side-item b{
  flex:0 0 26px;height:26px;border-radius:8px;display:grid;place-items:center;
  background:rgba(56,189,248,.12);color:var(--cyan);font-size:12px;font-weight:800;
}
.side-item a{font-size:14px;font-weight:600;color:var(--soft);line-height:1.45}
.side-item a:hover{color:var(--cyan)}
.side-item span{display:block;font-size:12.2px;color:var(--muted);margin-top:4px}
.empty-note{
  border:1px dashed var(--line-strong);border-radius:var(--radius);
  padding:22px;font-size:14px;color:var(--muted);text-align:center;
}

/* ---------- FAQ ---------- */
.faq-list{max-width:900px;margin:0 auto}
.faq-item{border:1px solid var(--line);border-radius:var(--radius);background:rgba(11,23,48,.55);margin-bottom:12px;overflow:hidden}
.faq-item summary{
  cursor:pointer;list-style:none;padding:18px 22px;font-size:15.6px;font-weight:700;
  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:600}
.faq-item[open] summary::after{content:"–"}
.faq-item[open] summary{border-bottom:1px solid var(--line);color:var(--cyan)}
.faq-item p{padding:16px 22px 20px;font-size:14.4px;color:var(--muted)}

/* ---------- Lead form ---------- */
.lead{
  background:
    linear-gradient(180deg,rgba(3,7,18,.93),rgba(3,7,18,.98)),
    url('/assets/images/b94430a3d467d1ff.jpg') center/cover no-repeat;
}
.lead-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:44px;align-items:start}
.lead-info h2{font-size:clamp(24px,3vw,34px);margin:14px 0 16px}
.lead-info p{color:var(--muted);margin-bottom:22px}
.lead-points li{display:flex;gap:12px;font-size:14.6px;color:var(--soft);padding:9px 0}
.lead-points i{color:var(--green);margin-top:5px}
.lead-form{
  border:1px solid var(--line-strong);border-radius:var(--radius-lg);padding:28px;
  background:linear-gradient(160deg,rgba(11,23,48,.94),rgba(6,14,33,.9));
  box-shadow:var(--shadow);
}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--holo);margin-bottom:7px}
.field input,.field select{
  width:100%;padding:13px 15px;border-radius:var(--radius-sm);
  background:rgba(3,7,18,.75);border:1px solid var(--line);color:var(--text);
  transition:.2s;
}
.field input::placeholder{color:#64748B}
.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:13.4px;color:var(--muted);margin-bottom:20px}
.check input{width:18px;height:18px;margin-top:2px;accent-color:#38BDF8}
.form-note{font-size:12.6px;color:var(--muted);margin-top:14px;text-align:left}
.form-msg{
  display:none;margin-top:16px;padding:14px 16px;border-radius:var(--radius-sm);
  background:rgba(34,197,94,.12);border:1px solid rgba(34,197,94,.4);
  color:#BBF7D0;font-size:14px;
}
.form-msg.show{display:block}

/* ---------- Footer ---------- */
.site-footer{border-top:1px solid var(--line);background:#02050E;padding:56px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:34px;margin-bottom:36px}
.footer-brand p{font-size:13.8px;color:var(--muted);margin-top:16px;max-width:340px}
.footer-col h4{font-size:14px;text-transform:uppercase;letter-spacing:.1em;color:var(--soft);margin-bottom:16px}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14px;color:var(--muted);transition:.2s}
.footer-col a:hover{color:var(--cyan)}
.footer-tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:16px}
.footer-tag{font-size:12.2px;color:var(--soft);border:1px solid var(--line);border-radius:999px;padding:5px 12px}
.footer-bottom{
  border-top:1px solid var(--line);padding-top:22px;
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;
}
.footer-bottom p{font-size:13px;color:var(--muted)}
.footer-bottom .age{font-size:12.4px;color:var(--amber);border:1px solid rgba(250,204,21,.3);border-radius:999px;padding:4px 12px}

/* ---------- FAB ---------- */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:70;
  display:inline-flex;align-items:center;gap:10px;
  padding:12px 18px;border-radius:999px;
  background:rgba(7,7,13,.82);backdrop-filter:blur(12px);
  border:1px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.86),rgba(7,7,13,.86)),
                   linear-gradient(135deg,#38BDF8,#A3E635);
  background-origin:border-box;background-clip:padding-box,border-box;
  box-shadow:0 0 22px rgba(6,182,212,.45);
  font-size:13.6px;font-weight:700;color:#E2E8F0;
  opacity:.78;transition:.25s;
}
.fab i{color:#A3E635;font-size:16px;animation:fabPulse 2.6s infinite}
.fab:hover{opacity:1;transform:translateY(-3px);box-shadow:0 0 32px rgba(56,189,248,.7)}
.fab:active{transform:scale(.96)}
.fab .dot{
  position:absolute;top:-3px;right:-3px;width:11px;height:11px;border-radius:50%;
  background:#F43F5E;box-shadow:0 0 10px rgba(244,63,94,.9);
}
@keyframes fabPulse{0%,100%{opacity:1}50%{opacity:.45}}

/* ---------- Responsive ---------- */
@media (max-width:1080px){
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .overview-grid{grid-template-columns:1fr;gap:28px}
  .overview-left{position:static}
  .chart-grid{grid-template-columns:1fr}
  .cat-grid{grid-template-columns:repeat(2,1fr)}
  .pay-grid{grid-template-columns:repeat(2,1fr)}
  .num-grid{grid-template-columns:repeat(2,1fr)}
  .matrix{grid-template-columns:repeat(2,1fr)}
  .news-layout{grid-template-columns:1fr}
  .lead-grid{grid-template-columns:1fr;gap:30px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .dir-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:1024px){
  .nav-toggle{display:flex}
  .main-nav{
    position:fixed;top:74px;left:0;right:0;flex-direction:column;align-items:stretch;
    background:rgba(3,7,18,.98);padding:16px 20px 24px;gap:6px;margin-left:0;
    border-bottom:1px solid var(--line);
    transform:translateY(-14px);opacity:0;pointer-events:none;transition:.26s;
    max-height:calc(100vh - 74px);overflow-y:auto;
  }
  .main-nav.is-open{transform:none;opacity:1;pointer-events:auto}
  .nav-link{padding:14px 16px;border-radius:12px;font-size:15px}
  .logo-text{max-width:190px}
}
@media (max-width:768px){
  .section{padding:56px 0}
  .hero{padding:48px 0 60px}
  .cat-grid,.track-grid,.secure-grid,.review-grid,.tips,.matrix{grid-template-columns:1fr}
  .news-card{grid-template-columns:1fr}
  .news-thumb img{min-height:180px}
  .news-body{padding:0 20px 20px}
  .dir-grid{grid-template-columns:1fr}
  .header-inner{gap:12px}
  .btn{padding:10px 16px;font-size:13.4px}
  .btn-lg{padding:13px 22px;font-size:15px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .fab{bottom:24px;padding:11px 15px;font-size:12.8px}
}
@media (max-width:520px){
  .logo-text{max-width:104px;font-size:12.6px}
  .logo-mark{width:34px;height:34px;flex:0 0 34px;font-size:16px}
  .header-actions{gap:7px}
  .btn{padding:9px 13px;font-size:12.6px}
  .hero-stats{gap:10px}
  .hero-stat{min-width:calc(50% - 5px);padding:11px 14px}
  .hero-stat strong{font-size:17px}
  .num-grid,.pay-grid{grid-template-columns:1fr}
  .quiz{padding:20px}
  .chart-panel{padding:20px}
  .lead-form{padding:20px}
  .fab span.fab-text{display:none}
  .fab{padding:14px;border-radius:50%}
}

/* roulang page: category1 */
:root{
  --bg:#030712;
  --bg-soft:#081229;
  --panel:rgba(11,23,48,.74);
  --panel-solid:#0B1730;
  --line:rgba(56,189,248,.16);
  --line-strong:rgba(56,189,248,.40);
  --blue:#2563EB;
  --cyan:#38BDF8;
  --holo:#60A5FA;
  --text:#F8FAFC;
  --soft:#CBD5E1;
  --muted:#94A3B8;
  --green:#22C55E;
  --amber:#FACC15;
  --pink:#F43F5E;
  --radius-lg:22px;
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 22px 48px rgba(2,6,23,.62);
  --glow:0 0 26px rgba(56,189,248,.30);
  --max:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:'Be Vietnam Pro','Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.62;
  overflow-x:hidden;
}
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 0 12px;line-height:1.22;font-weight:800;letter-spacing:-.01em}
p{margin:0 0 14px}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 20px}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(3,7,18,.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:18px;min-height:74px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;min-width:0}
.logo-mark{
  width:38px;height:38px;flex:0 0 38px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,var(--blue),var(--cyan));
  border-radius:12px;
  color:#04121F;font-size:18px;
  box-shadow:0 0 18px rgba(56,189,248,.45);
}
.logo-text{
  font-size:15.5px;font-weight:800;letter-spacing:-.02em;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:270px;
  background:linear-gradient(92deg,#F8FAFC,#7DD3FC);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:12px}
.nav-link{
  padding:9px 14px;border-radius:999px;font-size:14.5px;font-weight:500;
  color:var(--muted);border:1px solid transparent;transition:.22s;white-space:nowrap;
}
.nav-link:hover{color:var(--text);background:rgba(56,189,248,.10)}
.nav-link.is-active{
  color:#fff;background:rgba(37,99,235,.22);border-color:var(--line-strong);
  box-shadow:inset 0 0 18px rgba(56,189,248,.14);
}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:11px 22px;border-radius:999px;font-size:14.5px;font-weight:700;
  border:1px solid transparent;cursor:pointer;transition:.24s;white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--blue),var(--cyan));
  color:#03121F;box-shadow:0 0 20px rgba(56,189,248,.38);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 30px rgba(56,189,248,.6)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{color:var(--holo);border-color:var(--line-strong);background:transparent}
.btn-ghost:hover{background:rgba(56,189,248,.12);color:#fff}
.btn-lg{padding:15px 30px;font-size:16px}
.btn-block{width:100%}
.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:rgba(56,189,248,.07);cursor:pointer;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--cyan);margin:0 auto;border-radius:2px;transition:.25s}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- Sections ---------- */
.section{padding:74px 0;position:relative}
.section--soft{background:linear-gradient(180deg,#050C1C,#081229)}
.section--line{border-top:1px solid var(--line)}
.section-head{max-width:820px;margin-bottom:38px}
.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,.10);
  border:1px solid var(--line);border-radius:999px;padding:6px 14px;margin-bottom:16px;
}
.section-head h2,.split-intro h2{font-size:clamp(24px,3vw,34px)}
.section-sub{color:var(--muted);font-size:16px;max-width:760px}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;padding:56px 0 64px;
  background:
    radial-gradient(900px 420px at 82% -10%,rgba(37,99,235,.30),transparent 68%),
    radial-gradient(700px 380px at 6% 110%,rgba(56,189,248,.18),transparent 70%),
    linear-gradient(180deg,#030712,#050E22 70%,#030712);
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(56,189,248,.06) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(56,189,248,.06) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 70% 15%,#000 0%,transparent 74%);
  -webkit-mask-image:radial-gradient(circle at 70% 15%,#000 0%,transparent 74%);
}
.hero-inner{position:relative;z-index:2}
.hero-badge{
  display:inline-flex;align-items:center;gap:9px;font-size:12.5px;font-weight:700;
  letter-spacing:.1em;text-transform:uppercase;color:var(--amber);
  background:rgba(250,204,21,.09);border:1px solid rgba(250,204,21,.28);
  border-radius:999px;padding:7px 15px;margin-bottom:20px;
}
.hero h1{font-size:clamp(27px,3.6vw,44px);line-height:1.16;margin-bottom:18px;max-width:900px}
.hero h1 span{
  background:linear-gradient(96deg,#38BDF8,#60A5FA 55%,#A3E635);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{color:var(--soft);font-size:16.5px;max-width:780px;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px}
.icon-matrix{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-bottom:26px;
}
.icon-cell{
  display:flex;align-items:center;gap:11px;
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:13px 15px;transition:.24s;
}
.icon-cell:hover{border-color:var(--line-strong);box-shadow:var(--glow);transform:translateY(-2px)}
.icon-cell i{color:var(--cyan);font-size:17px;flex:0 0 auto}
.icon-cell span{font-size:13.5px;font-weight:600;color:var(--soft);line-height:1.4}
.status-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 22px;
  background:rgba(8,18,41,.86);border:1px solid var(--line);border-radius:var(--radius);
  padding:15px 20px;
}
.status-item{display:flex;align-items:center;gap:9px;font-size:13.5px;color:var(--soft);font-weight:600}
.status-item strong{color:var(--text)}
.dot-live{
  width:9px;height:9px;border-radius:50%;background:var(--green);flex:0 0 auto;
  box-shadow:0 0 0 0 rgba(34,197,94,.6);animation:pulse 1.8s infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(34,197,94,.55)}
  70%{box-shadow:0 0 0 12px rgba(34,197,94,0)}
  100%{box-shadow:0 0 0 0 rgba(34,197,94,0)}
}

/* ---------- Split layout ---------- */
.split{display:grid;grid-template-columns:.9fr 1.1fr;gap:46px;align-items:start}
.split-intro p{color:var(--muted);font-size:15.5px}
.benchmark{
  margin-top:22px;border:1px solid var(--line);border-radius:var(--radius);
  background:rgba(11,23,48,.55);padding:6px 18px;
}
.benchmark-row{
  display:flex;justify-content:space-between;gap:16px;align-items:center;
  padding:12px 0;border-bottom:1px dashed rgba(56,189,248,.14);font-size:14px;color:var(--muted);
}
.benchmark-row:last-child{border-bottom:0}
.benchmark-row strong{color:var(--cyan);font-size:15px}

.criteria-list{counter-reset:crit;display:grid;gap:14px}
.criteria-list li{
  position:relative;padding:18px 20px 18px 66px;
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  transition:.24s;
}
.criteria-list li::before{
  counter-increment:crit;content:counter(crit,decimal-leading-zero);
  position:absolute;left:18px;top:18px;
  width:32px;height:32px;display:grid;place-items:center;border-radius:10px;
  font-size:12.5px;font-weight:800;color:#04121F;
  background:linear-gradient(140deg,var(--cyan),var(--blue));
}
.criteria-list li:hover{border-color:var(--line-strong);transform:translateX(3px)}
.criteria-list h3{font-size:16.5px;margin-bottom:6px}
.criteria-list p{font-size:14.5px;color:var(--muted);margin:0}

/* ---------- Ranking ---------- */
.rank-list{display:grid;gap:12px}
.rank-row{
  display:grid;grid-template-columns:56px 84px 1.35fr 1fr 1fr;
  gap:18px;align-items:center;
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:16px 20px;transition:.26s;
}
.rank-row:hover{border-color:var(--line-strong);box-shadow:var(--glow);transform:translateY(-2px)}
.rank-no{
  font-size:20px;font-weight:800;color:var(--cyan);letter-spacing:-.02em;
}
.rank-no small{display:block;font-size:10.5px;letter-spacing:.12em;color:var(--muted);font-weight:700}
.rank-thumb{border-radius:12px;overflow:hidden;border:1px solid var(--line);aspect-ratio:16/11;background:#0B1730}
.rank-thumb img{width:100%;height:100%;object-fit:cover}
.rank-name{font-size:16.5px;font-weight:800;margin-bottom:6px}
.rank-tags{display:flex;flex-wrap:wrap;gap:7px}
.tag{
  font-size:11.5px;font-weight:700;letter-spacing:.03em;
  padding:4px 10px;border-radius:999px;
  background:rgba(56,189,248,.10);border:1px solid var(--line);color:var(--holo);
}
.tag--green{background:rgba(34,197,94,.12);border-color:rgba(34,197,94,.32);color:#86EFAC}
.tag--amber{background:rgba(250,204,21,.10);border-color:rgba(250,204,21,.28);color:#FDE68A}
.rank-metric{font-size:13px;color:var(--muted)}
.rank-metric strong{display:block;font-size:18px;color:var(--text);font-weight:800;letter-spacing:-.01em}
.rank-metric span{display:block;margin-top:2px}

/* ---------- Channels ---------- */
.channel-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.channel-card{
  background:linear-gradient(160deg,rgba(11,23,48,.86),rgba(8,18,41,.62));
  border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px;transition:.26s;
}
.channel-card:hover{border-color:var(--line-strong);box-shadow:var(--shadow)}
.channel-head{display:flex;align-items:center;gap:13px;margin-bottom:14px}
.channel-head i{
  width:44px;height:44px;border-radius:13px;display:grid;place-items:center;
  background:rgba(56,189,248,.12);border:1px solid var(--line);color:var(--cyan);font-size:18px;
}
.channel-head h3{font-size:17px;margin:0}
.channel-head span{font-size:12.5px;color:var(--muted)}
.channel-stats{display:flex;gap:26px;flex-wrap:wrap;margin-top:14px;padding-top:14px;border-top:1px dashed rgba(56,189,248,.16)}
.channel-stats div{font-size:12.5px;color:var(--muted)}
.channel-stats strong{display:block;font-size:16px;color:var(--text);margin-top:3px}
.channel-card p{font-size:14.5px;color:var(--muted);margin:0}

/* ---------- Process ---------- */
.process{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;position:relative}
.step{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:26px 22px;position:relative;transition:.26s;
}
.step:hover{border-color:var(--line-strong);transform:translateY(-3px);box-shadow:var(--shadow)}
.step-no{
  font-size:12px;font-weight:800;letter-spacing:.16em;text-transform:uppercase;color:var(--cyan);
  display:block;margin-bottom:12px;
}
.step h3{font-size:17.5px}
.step p{font-size:14.5px;color:var(--muted);margin:0}
.step i{position:absolute;right:22px;top:24px;font-size:22px;color:rgba(56,189,248,.28)}
.process-note{
  margin-top:20px;display:flex;gap:13px;align-items:flex-start;
  border-left:3px solid var(--cyan);background:rgba(56,189,248,.06);
  border-radius:0 var(--radius) var(--radius) 0;padding:16px 20px;
}
.process-note i{color:var(--cyan);margin-top:4px}
.process-note p{margin:0;font-size:14.5px;color:var(--soft)}

/* ---------- Scenarios ---------- */
.scenario-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.scenario{
  border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px;
  background:linear-gradient(150deg,rgba(11,23,48,.72),rgba(3,7,18,.4));
  transition:.26s;
}
.scenario:hover{border-color:var(--line-strong);box-shadow:var(--shadow)}
.scenario h3{font-size:16.5px;display:flex;align-items:center;gap:10px}
.scenario h3 i{color:var(--cyan);font-size:15px}
.scenario p{font-size:14.5px;color:var(--muted);margin:0}
.scenario-meta{margin-top:14px;font-size:12.5px;color:var(--holo);font-weight:600}

/* ---------- Testimonials ---------- */
.quote-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.quote{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:24px;transition:.26s;
}
.quote:hover{border-color:var(--line-strong);transform:translateY(-3px)}
.quote i.fa-quote-left{color:rgba(56,189,248,.4);font-size:20px;margin-bottom:12px;display:block}
.quote p{font-size:14.8px;color:var(--soft);margin-bottom:16px}
.quote-author{display:flex;align-items:center;gap:12px;border-top:1px solid var(--line);padding-top:14px}
.avatar{
  width:40px;height:40px;border-radius:50%;display:grid;place-items:center;font-weight:800;font-size:14px;
  background:linear-gradient(140deg,var(--blue),var(--cyan));color:#03121F;flex:0 0 40px;
}
.quote-author strong{display:block;font-size:14.5px}
.quote-author span{font-size:12.5px;color:var(--muted)}

/* ---------- Category matrix ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.cat-card{
  display:block;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:24px;background:linear-gradient(160deg,rgba(11,23,48,.8),rgba(3,7,18,.35));
  transition:.26s;
}
.cat-card:hover{border-color:var(--line-strong);transform:translateY(-4px);box-shadow:var(--glow)}
.cat-card i{font-size:20px;color:var(--cyan);margin-bottom:14px;display:block}
.cat-card h3{font-size:17px}
.cat-card p{font-size:14.3px;color:var(--muted);margin:0 0 14px}
.cat-card span{font-size:13px;font-weight:700;color:var(--holo)}
.cat-card span i{display:inline;font-size:12px;margin:0 0 0 6px;color:var(--holo)}

/* ---------- News ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.news-item{
  display:flex;flex-direction:column;
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:22px;transition:.26s;
}
.news-item:hover{border-color:var(--line-strong);transform:translateY(-3px);box-shadow:var(--shadow)}
.news-cat{
  font-size:11.5px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
  color:var(--cyan);margin-bottom:10px;
}
.news-item h3{font-size:16.5px;margin-bottom:10px}
.news-item p{font-size:14.3px;color:var(--muted);margin-bottom:16px}
.news-date{font-size:12.5px;color:var(--muted);margin-top:auto}
.news-empty{
  border:1px dashed var(--line-strong);border-radius:var(--radius);
  padding:26px;color:var(--muted);font-size:14.5px;text-align:left;
}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:960px}
.faq-item{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:0 22px;transition:.24s;
}
.faq-item[open]{border-color:var(--line-strong);box-shadow:var(--glow)}
.faq-item summary{
  cursor:pointer;list-style:none;padding:19px 34px 19px 0;position:relative;
  font-size:16px;font-weight:700;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;font-size:12px;
  position:absolute;right:0;top:50%;transform:translateY(-50%);color:var(--cyan);transition:.24s;
}
.faq-item[open] summary::after{content:"\f068"}
.faq-item p{font-size:14.8px;color:var(--muted);padding-bottom:20px;margin:0}

/* ---------- CTA band ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  border:1px solid var(--line-strong);
  padding:44px 40px;
  background:
    linear-gradient(120deg,rgba(3,7,18,.92),rgba(8,18,41,.78)),
    url('/assets/images/ba533d3adcda3485.jpg') center/cover no-repeat;
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);max-width:720px}
.cta-band p{color:var(--soft);font-size:15.5px;max-width:680px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:8px}

/* ---------- Footer ---------- */
.site-footer{
  margin-top:0;padding:60px 0 26px;
  background:linear-gradient(180deg,#030712,#050C1C);
  border-top:1px solid var(--line);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px;padding-bottom:34px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{font-size:14px;color:var(--muted);max-width:420px}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.footer-tag{
  font-size:12px;font-weight:600;color:var(--holo);
  background:rgba(56,189,248,.08);border:1px solid var(--line);
  border-radius:999px;padding:5px 12px;display:inline-block;
}
.footer-col h4{font-size:14px;letter-spacing:.06em;text-transform:uppercase;color:var(--text);margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:var(--muted);transition:.2s}
.footer-col a:hover{color:var(--cyan)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  border-top:1px solid var(--line);padding-top:22px;
}
.footer-bottom p{font-size:13px;color:var(--muted);margin:0}
.age{font-size:12px;font-weight:700;color:var(--amber);border:1px solid rgba(250,204,21,.3);border-radius:999px;padding:5px 13px}

/* ---------- FAB ---------- */
.fab-support{
  position:fixed;left:16px;bottom:96px;z-index:50;
  display:inline-flex;align-items:center;gap:10px;
  min-height:52px;padding:10px 20px 10px 14px;border-radius:999px;
  background:linear-gradient(rgba(7,10,20,.88),rgba(7,10,20,.88)) padding-box,
             linear-gradient(120deg,#38BDF8,#A3E635) border-box;
  border:1px solid transparent;
  color:var(--text);font-weight:700;font-size:14px;
  box-shadow:0 0 20px rgba(6,182,212,.45);
  opacity:.78;transition:.26s;
}
.fab-support i{color:var(--cyan);font-size:17px;animation:flicker 3.4s infinite}
.fab-support:hover{opacity:1;transform:scale(1.04);box-shadow:0 0 30px rgba(6,182,212,.7)}
.fab-support:active{transform:scale(.95)}
.fab-dot{
  position:absolute;top:-2px;right:2px;width:10px;height:10px;border-radius:50%;
  background:var(--pink);box-shadow:0 0 10px rgba(244,63,94,.9);
  animation:blink 1.4s infinite;
}
@keyframes flicker{0%,88%,100%{opacity:1}92%{opacity:.35}96%{opacity:.9}}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.25}}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .header-inner{flex-wrap:wrap;min-height:auto;padding:12px 0;gap:12px}
  .main-nav{
    order:3;width:100%;margin-left:0;flex-direction:column;align-items:stretch;gap:6px;
    max-height:0;overflow:hidden;transition:max-height .3s ease;
  }
  .main-nav.is-open{max-height:320px;padding-bottom:8px}
  .nav-link{padding:11px 14px;border-radius:12px}
  .header-actions{margin-left:auto;order:2}
  .nav-toggle{display:flex;order:4;margin-left:8px}
  .logo-text{max-width:180px}
  .icon-matrix{grid-template-columns:repeat(2,minmax(0,1fr))}
  .split{grid-template-columns:1fr;gap:30px}
  .rank-row{grid-template-columns:44px 72px 1fr;row-gap:14px}
  .rank-metric{grid-column:2/4}
  .process,.quote-grid,.cat-grid,.news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
}
@media (max-width:768px){
  .section{padding:56px 0}
  .hero{padding:44px 0 52px}
  .channel-grid,.scenario-grid,.process,.quote-grid,.cat-grid,.news-grid{grid-template-columns:1fr}
  .rank-row{grid-template-columns:38px 1fr;gap:14px}
  .rank-thumb{grid-column:1/3;aspect-ratio:16/8}
  .rank-metric{grid-column:1/3}
  .cta-band{padding:32px 24px}
  .header-actions .btn{padding:9px 16px;font-size:13.5px}
  .logo-text{max-width:150px;font-size:14px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .icon-matrix{grid-template-columns:1fr}
  .status-bar{gap:10px 16px;padding:14px 16px}
  .footer-grid{grid-template-columns:1fr}
  .hero-actions .btn{width:100%}
  .fab-support{left:12px;bottom:84px;padding:10px 16px 10px 12px;font-size:13px}
  .criteria-list li{padding:16px 16px 16px 58px}
}

/* roulang page: category2 */
:root{
  --bg:#030712;
  --bg-soft:#081229;
  --panel:rgba(11,23,48,.74);
  --panel-solid:#0B1730;
  --line:rgba(56,189,248,.16);
  --line-strong:rgba(56,189,248,.40);
  --blue:#2563EB;
  --cyan:#38BDF8;
  --holo:#60A5FA;
  --text:#F8FAFC;
  --soft:#CBD5E1;
  --muted:#94A3B8;
  --green:#22C55E;
  --amber:#FACC15;
  --pink:#F43F5E;
  --radius-lg:22px;
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 22px 48px rgba(2,6,23,.62);
  --glow:0 0 26px rgba(56,189,248,.30);
  --max:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:'Be Vietnam Pro','Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.62;
  overflow-x:hidden;
}
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:1.24;letter-spacing:-.02em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 20px}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(3,7,18,.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:18px;min-height:74px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;min-width:0}
.logo-mark{
  width:38px;height:38px;flex:0 0 38px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,var(--blue),var(--cyan));
  border-radius:12px;
  color:#04121F;font-size:18px;
  box-shadow:0 0 18px rgba(56,189,248,.45);
}
.logo-text{
  font-size:15.5px;font-weight:800;letter-spacing:-.02em;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:270px;
  background:linear-gradient(92deg,#F8FAFC,#7DD3FC);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:12px}
.nav-link{
  padding:9px 14px;border-radius:999px;font-size:14.5px;font-weight:500;
  color:var(--muted);border:1px solid transparent;transition:.22s;white-space:nowrap;
}
.nav-link:hover{color:var(--text);background:rgba(56,189,248,.10)}
.nav-link.is-active{
  color:#fff;background:rgba(37,99,235,.22);border-color:var(--line-strong);
  box-shadow:inset 0 0 18px rgba(56,189,248,.14);
}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:11px 22px;border-radius:999px;font-size:14.5px;font-weight:700;
  border:1px solid transparent;cursor:pointer;transition:.24s;white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--blue),var(--cyan));
  color:#03121F;box-shadow:0 0 20px rgba(56,189,248,.38);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 30px rgba(56,189,248,.6)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{color:var(--holo);border-color:var(--line-strong);background:transparent}
.btn-ghost:hover{background:rgba(56,189,248,.12);color:#fff}
.btn-lg{padding:15px 30px;font-size:16px}
.btn-block{width:100%}
.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:rgba(56,189,248,.07);cursor:pointer;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--cyan);margin:0 auto;border-radius:2px;transition:.25s}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- Sections ---------- */
.section{padding:74px 0;position:relative}
.section--soft{background:linear-gradient(180deg,#050C1C,#081229)}
.section--line{border-top:1px solid var(--line)}
.section-head{max-width:840px;margin-bottom:38px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--cyan);background:rgba(56,189,248,.10);
  border:1px solid var(--line);border-radius:999px;padding:6px 14px;margin-bottom:16px;
}
.section-head h2{font-size:clamp(24px,3vw,36px);margin-bottom:14px}
.section-sub{color:var(--muted);font-size:16px;max-width:760px}
.lead{color:var(--soft);font-size:16.5px;margin-bottom:18px}

/* ---------- Hero (category) ---------- */
.hero-cat{
  position:relative;overflow:hidden;padding:60px 0 72px;
  background:
    linear-gradient(180deg,rgba(3,7,18,.82) 0%,rgba(3,7,18,.94) 58%,rgba(3,7,18,1) 100%),
    url('/assets/images/ba533d3adcda3485.jpg') center/cover no-repeat;
}
.hero-cat::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(56,189,248,.07) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(56,189,248,.07) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 72% 22%,#000 0%,transparent 72%);
  -webkit-mask-image:radial-gradient(circle at 72% 22%,#000 0%,transparent 72%);
}
.hero-cat-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.06fr .94fr;gap:48px;align-items:start}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:18px}
.crumb a:hover{color:var(--cyan)}
.crumb i{font-size:10px;color:var(--line-strong)}
.hero-badge{
  display:inline-flex;align-items:center;gap:9px;font-size:12.5px;font-weight:700;
  letter-spacing:.1em;text-transform:uppercase;color:var(--amber);
  background:rgba(250,204,21,.09);border:1px solid rgba(250,204,21,.28);
  border-radius:999px;padding:7px 15px;margin-bottom:20px;
}
.hero-cat h1{font-size:clamp(28px,3.7vw,46px);line-height:1.16;margin-bottom:20px}
.hero-cat h1 span{
  background:linear-gradient(96deg,#38BDF8,#60A5FA 55%,#A3E635);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{color:var(--soft);font-size:16.5px;max-width:620px;margin-bottom:26px}
.hero-facts{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:28px}
.hero-fact{
  display:flex;align-items:center;gap:10px;
  background:rgba(11,23,48,.72);border:1px solid var(--line);
  border-radius:var(--radius);padding:11px 16px;font-size:13.5px;color:var(--soft);
}
.hero-fact i{color:var(--cyan)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- Calculator panel ---------- */
.calc{
  background:linear-gradient(180deg,rgba(11,23,48,.94),rgba(6,15,34,.94));
  border:1px solid var(--line-strong);
  border-radius:var(--radius-lg);
  padding:26px 24px;
  box-shadow:var(--shadow),var(--glow);
}
.calc h2{font-size:19px;margin-bottom:6px}
.calc-sub{font-size:13.5px;color:var(--muted);margin-bottom:18px}
.calc label{display:block;font-size:12.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-bottom:8px}
.calc input{
  width:100%;padding:14px 16px;border-radius:var(--radius);
  background:rgba(3,7,18,.85);border:1px solid var(--line);
  font-size:19px;font-weight:700;color:#fff;transition:.2s;
}
.calc input:focus{border-color:var(--line-strong);box-shadow:0 0 0 3px rgba(56,189,248,.16);outline:none}
.calc-rows{margin:18px 0 6px;border-top:1px solid var(--line);padding-top:14px}
.calc-row{display:flex;align-items:center;justify-content:space-between;gap:14px;font-size:14px;color:var(--muted);padding:7px 0}
.calc-row strong{color:var(--soft);font-weight:600}
.calc-total{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  margin:12px 0 20px;padding:14px 16px;border-radius:var(--radius);
  background:rgba(37,99,235,.14);border:1px dashed var(--line-strong);
}
.calc-total span{font-size:13.5px;color:var(--soft)}
.calc-total strong{font-size:22px;color:var(--cyan)}
.calc-note{font-size:12.5px;color:var(--muted);margin-top:12px;line-height:1.55}

/* ---------- Payment badges ---------- */
.pay-badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px}
.pay-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 16px;border-radius:999px;font-size:13.5px;font-weight:600;
  background:rgba(56,189,248,.07);border:1px solid var(--line);color:var(--soft);
  transition:.22s;
}
.pay-badge i{color:var(--cyan)}
.pay-badge:hover{border-color:var(--line-strong);color:#fff;transform:translateY(-2px)}

/* ---------- Table ---------- */
.table-wrap{
  overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius-lg);
  background:var(--panel);
}
table.rate-table{width:100%;border-collapse:collapse;min-width:720px}
.rate-table thead th{
  text-align:left;font-size:12.5px;letter-spacing:.09em;text-transform:uppercase;
  color:var(--muted);font-weight:700;padding:16px 20px;
  background:rgba(3,7,18,.6);border-bottom:1px solid var(--line);white-space:nowrap;
}
.rate-table tbody td{padding:16px 20px;border-bottom:1px solid rgba(56,189,248,.08);font-size:14.5px;color:var(--soft)}
.rate-table tbody tr:last-child td{border-bottom:none}
.rate-table tbody tr:hover{background:rgba(56,189,248,.05)}
.rate-table .chan{color:#fff;font-weight:700}
.tag-ratio{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;font-size:12.5px;font-weight:700;
  color:#052E16;background:linear-gradient(135deg,#4ADE80,#22C55E);
}
.table-note{font-size:13px;color:var(--muted);margin-top:16px;max-width:900px}

/* ---------- Split layout ---------- */
.split{display:grid;grid-template-columns:1.1fr .9fr;gap:46px;align-items:start}
.reason-list{margin-top:26px;display:grid;gap:16px}
.reason-list li{display:flex;gap:16px;align-items:flex-start}
.reason-index{
  flex:0 0 46px;height:46px;border-radius:12px;display:grid;place-items:center;
  font-size:14px;font-weight:800;color:var(--cyan);
  background:rgba(56,189,248,.10);border:1px solid var(--line);
}
.reason-list h3{font-size:16.5px;margin-bottom:5px}
.reason-list p{font-size:14.5px;color:var(--muted)}
.media-frame{
  border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow);margin:0 0 20px;
}
.media-frame img{width:100%;aspect-ratio:16/11;object-fit:cover}
.mini-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.mini-stat{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:16px 18px;
}
.mini-stat strong{display:block;font-size:21px;color:var(--cyan);margin-bottom:4px}
.mini-stat span{font-size:12.5px;color:var(--muted);line-height:1.5}

/* ---------- Steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;counter-reset:step}
.step{
  position:relative;padding:28px 24px 24px;
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);
  transition:.25s;
}
.step:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--glow)}
.step-no{
  display:inline-grid;place-items:center;width:40px;height:40px;border-radius:12px;
  font-size:15px;font-weight:800;color:#03121F;
  background:linear-gradient(135deg,var(--blue),var(--cyan));margin-bottom:16px;
}
.step h3{font-size:17px;margin-bottom:9px}
.step p{font-size:14.5px;color:var(--muted)}
.step-note{
  margin-top:22px;padding:16px 20px;border-radius:var(--radius);
  background:rgba(56,189,248,.07);border:1px solid var(--line);
  font-size:14px;color:var(--soft);
}

/* ---------- Time slots ---------- */
.slot-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.slot{
  background:linear-gradient(180deg,rgba(11,23,48,.9),rgba(6,15,34,.9));
  border:1px solid var(--line);border-radius:var(--radius-lg);padding:22px 20px;
  transition:.25s;
}
.slot:hover{border-color:var(--line-strong);transform:translateY(-4px)}
.slot span.slot-time{font-size:12.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);font-weight:700}
.slot strong{display:block;font-size:24px;color:var(--cyan);margin:10px 0 6px}
.slot p{font-size:13.5px;color:var(--muted)}
.slot-bar{height:6px;border-radius:999px;background:rgba(56,189,248,.14);margin-top:14px;overflow:hidden}
.slot-bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--blue),var(--cyan))}

/* ---------- Transparency ---------- */
.trust-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:44px;align-items:center}
.trust-grid figure{margin:0;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
.trust-grid figure img{width:100%;aspect-ratio:4/3;object-fit:cover}
.check-list{display:grid;gap:14px;margin-top:22px}
.check-list li{display:flex;gap:13px;align-items:flex-start;font-size:14.5px;color:var(--soft)}
.check-list i{
  flex:0 0 26px;height:26px;border-radius:8px;display:grid;place-items:center;
  font-size:12px;color:#052E16;background:linear-gradient(135deg,#4ADE80,#22C55E);margin-top:2px;
}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:960px}
.faq-item{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:0 22px;transition:.22s;
}
.faq-item[open]{border-color:var(--line-strong);background:rgba(11,23,48,.92)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:14px;
  padding:19px 0;font-size:16px;font-weight:700;color:#fff;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;font-size:12px;
  color:var(--cyan);margin-left:auto;transition:.25s;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item p{font-size:14.5px;color:var(--muted);padding:0 0 20px;max-width:820px}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  border:1px solid var(--line-strong);
  background:
    linear-gradient(120deg,rgba(3,7,18,.92),rgba(8,18,41,.86)),
    url('/assets/images/b94430a3d467d1ff.jpg') center/cover no-repeat;
  padding:52px 44px;
}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(circle at 88% 18%,rgba(56,189,248,.22),transparent 58%);
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center}
.cta-inner h2{font-size:clamp(24px,2.9vw,34px);margin-bottom:14px}
.cta-inner p{color:var(--soft);font-size:16px;margin-bottom:24px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
.cta-panel{
  background:rgba(3,7,18,.72);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;display:grid;gap:12px;
}
.cta-panel div{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:14px;color:var(--muted)}
.cta-panel strong{color:var(--cyan);font-size:15px}

/* ---------- Footer ---------- */
.site-footer{
  background:#020509;border-top:1px solid var(--line);
  padding:60px 0 28px;margin-top:10px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:38px}
.footer-brand p{font-size:14px;color:var(--muted);margin:16px 0 18px;max-width:420px}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px}
.footer-tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;color:var(--soft);
  background:rgba(56,189,248,.08);border:1px solid var(--line);
  border-radius:999px;padding:6px 12px;
}
.footer-col h4{font-size:14px;letter-spacing:.06em;text-transform:uppercase;color:#fff;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col li a,.footer-col li span{font-size:14px;color:var(--muted);transition:.2s}
.footer-col li a:hover{color:var(--cyan)}
.footer-bottom{
  margin-top:42px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
}
.footer-bottom p{font-size:13px;color:var(--muted)}
.age{font-size:12px;color:var(--soft);border:1px solid var(--line);border-radius:999px;padding:5px 12px}

/* ---------- FAB ---------- */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  display:inline-flex;align-items:center;gap:10px;
  min-height:56px;padding:0 20px 0 16px;border-radius:999px;
  background:rgba(7,7,13,.82);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border:1px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.86),rgba(7,7,13,.86)),
                   linear-gradient(120deg,#38BDF8,#2563EB 60%,#A3E635);
  background-origin:border-box;background-clip:padding-box,border-box;
  color:#fff;font-size:13.5px;font-weight:700;
  box-shadow:0 0 20px rgba(6,182,212,.45);
  opacity:.78;transition:.26s;
}
.fab i{font-size:17px;color:var(--cyan);transition:.3s}
.fab:hover{opacity:1;box-shadow:0 0 30px rgba(56,189,248,.65);transform:translateY(-2px)}
.fab:hover i{animation:fabFlick .6s ease-in-out}
.fab:active{transform:scale(.96)}
.fab-dot{
  position:absolute;top:6px;right:10px;width:10px;height:10px;border-radius:50%;
  background:#F43F5E;box-shadow:0 0 0 2px rgba(3,7,18,.9);
  animation:fabPulse 1.6s infinite;
}
@keyframes fabFlick{0%,100%{opacity:1}50%{opacity:.35}}
@keyframes fabPulse{0%,100%{transform:scale(1);opacity:1}50%{transform:scale(1.35);opacity:.6}}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .nav-toggle{display:flex}
  .main-nav{
    position:absolute;top:100%;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:6px;margin:0;
    padding:14px 20px 20px;display:none;
    background:rgba(4,10,24,.98);border-bottom:1px solid var(--line);
  }
  .main-nav.is-open{display:flex}
  .nav-link{padding:12px 14px;border-radius:12px;font-size:15px}
  .hero-cat-grid,.split,.trust-grid,.cta-inner{grid-template-columns:1fr}
  .hero-cat-grid{gap:34px}
  .steps{grid-template-columns:1fr 1fr}
  .slot-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .logo-text{max-width:190px}
}
@media (max-width:768px){
  .section{padding:56px 0}
  .hero-cat{padding:44px 0 56px}
  .header-inner{min-height:66px;gap:10px}
  .header-actions .btn{padding:9px 15px;font-size:13px}
  .steps{grid-template-columns:1fr}
  .cta-band{padding:34px 22px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  body{font-size:15.5px}
  .logo-text{max-width:118px;font-size:14px}
  .logo-mark{width:34px;height:34px;flex:0 0 34px;font-size:16px}
  .header-actions{gap:6px}
  .header-actions .btn{padding:8px 12px;font-size:12.5px}
  .nav-toggle{width:40px;height:40px}
  .hero-facts{gap:8px}
  .hero-fact{padding:9px 12px;font-size:12.5px}
  .hero-actions .btn{width:100%}
  .slot-grid,.mini-stats{grid-template-columns:1fr}
  .calc{padding:22px 18px}
  .calc-total strong{font-size:19px}
  .cta-actions .btn{width:100%}
  .fab{left:12px;bottom:84px;padding:0 16px 0 14px;font-size:12.5px;min-height:50px}
}

/* roulang page: article */
:root{
  --bg:#030712;
  --bg-soft:#081229;
  --panel:rgba(11,23,48,.74);
  --panel-solid:#0B1730;
  --line:rgba(56,189,248,.16);
  --line-strong:rgba(56,189,248,.40);
  --blue:#2563EB;
  --cyan:#38BDF8;
  --holo:#60A5FA;
  --text:#F8FAFC;
  --soft:#CBD5E1;
  --muted:#94A3B8;
  --green:#22C55E;
  --amber:#FACC15;
  --pink:#F43F5E;
  --radius-lg:22px;
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 22px 48px rgba(2,6,23,.62);
  --glow:0 0 26px rgba(56,189,248,.30);
  --max:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:'Be Vietnam Pro','Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.62;
  overflow-x:hidden;
}
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 20px}
/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(3,7,18,.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:18px;min-height:74px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;min-width:0}
.logo-mark{
  width:38px;height:38px;flex:0 0 38px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,var(--blue),var(--cyan));
  border-radius:12px;
  color:#04121F;font-size:18px;
  box-shadow:0 0 18px rgba(56,189,248,.45);
}
.logo-text{
  font-size:15.5px;font-weight:800;letter-spacing:-.02em;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:270px;
  background:linear-gradient(92deg,#F8FAFC,#7DD3FC);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:12px}
.nav-link{
  padding:9px 14px;border-radius:999px;font-size:14.5px;font-weight:500;
  color:var(--muted);border:1px solid transparent;transition:.22s;white-space:nowrap;
}
.nav-link:hover{color:var(--text);background:rgba(56,189,248,.10)}
.nav-link.is-active{
  color:#fff;background:rgba(37,99,235,.22);border-color:var(--line-strong);
  box-shadow:inset 0 0 18px rgba(56,189,248,.14);
}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:11px 22px;border-radius:999px;font-size:14.5px;font-weight:700;
  border:1px solid transparent;cursor:pointer;transition:.24s;white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--blue),var(--cyan));
  color:#03121F;box-shadow:0 0 20px rgba(56,189,248,.38);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 30px rgba(56,189,248,.6)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{color:var(--holo);border-color:var(--line-strong);background:transparent}
.btn-ghost:hover{background:rgba(56,189,248,.12);color:#fff}
.btn-lg{padding:15px 30px;font-size:16px}
.btn-block{width:100%}
.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:rgba(56,189,248,.07);cursor:pointer;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--cyan);margin:0 auto;border-radius:2px;transition:.25s}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
/* ---------- Sections ---------- */
.section{padding:74px 0;position:relative}
.section--soft{background:linear-gradient(180deg,#050C1C,#081229)}
.section--line{border-top:1px solid var(--line)}
.section-head{max-width:820px;margin-bottom:38px}
.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,.10);
  border:1px solid var(--line);border-radius:999px;padding:6px 14px;margin-bottom:16px;
}
.section-head h2{font-size:clamp(24px,3vw,34px);margin:0 0 14px;line-height:1.25}
.section-sub{color:var(--muted);font-size:16px;max-width:760px;margin:0}
/* ---------- Article layout ---------- */
.article-hero{
  position:relative;overflow:hidden;padding:58px 0 48px;
  background:
    linear-gradient(180deg,rgba(3,7,18,.82) 0%,rgba(3,7,18,.94) 60%,rgba(3,7,18,1) 100%),
    url('/assets/images/ba533d3adcda3485.jpg') center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.article-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(56,189,248,.06) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(56,189,248,.06) 1px,transparent 1px);
  background-size:68px 68px;
  mask-image:radial-gradient(circle at 78% 12%,#000 0%,transparent 70%);
  -webkit-mask-image:radial-gradient(circle at 78% 12%,#000 0%,transparent 70%);
}
.article-hero-inner{position:relative;z-index:2;max-width:900px}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--muted);margin-bottom:18px;
}
.breadcrumb a{color:var(--holo)}
.breadcrumb a:hover{color:#fff;text-decoration:underline}
.breadcrumb i{font-size:10px;opacity:.6}
.article-hero h1{
  font-size:clamp(26px,3.4vw,42px);line-height:1.2;margin:0 0 18px;
}
.article-meta{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px}
.meta-tag{
  display:inline-flex;align-items:center;gap:7px;
  font-size:12.5px;font-weight:600;color:var(--soft);
  background:rgba(56,189,248,.08);border:1px solid var(--line);
  border-radius:999px;padding:6px 14px;
}
.meta-tag i{color:var(--cyan);font-size:12px}
.article-hero p.lead{color:var(--soft);font-size:16.5px;max-width:760px;margin:0}
/* ---------- Article body ---------- */
.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 336px;gap:40px;align-items:start}
.article-main{min-width:0}
.article-body{
  background:var(--panel);border:1px solid var(--line);
  border-radius:var(--radius-lg);padding:34px;box-shadow:var(--shadow);
}
.article-body h2{
  font-size:clamp(20px,2.4vw,27px);margin:38px 0 14px;line-height:1.3;
  padding-left:16px;border-left:4px solid var(--cyan);
}
.article-body h2:first-child{margin-top:0}
.article-body h3{font-size:19px;margin:26px 0 10px;color:var(--holo)}
.article-body p{margin:0 0 16px;color:var(--soft);line-height:1.7}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:22px;color:var(--soft)}
.article-body li{margin-bottom:9px;line-height:1.66}
.article-body strong{color:var(--text)}
.article-body a{color:var(--cyan);border-bottom:1px dashed rgba(56,189,248,.5)}
.article-body a:hover{color:#fff;border-bottom-color:#fff}
.article-body img{border-radius:var(--radius);margin:20px 0;border:1px solid var(--line)}
.article-body blockquote{
  margin:22px 0;padding:16px 20px;border-left:4px solid var(--amber);
  background:rgba(250,204,21,.06);border-radius:0 var(--radius) var(--radius) 0;
  color:var(--soft);font-style:italic;
}
.article-body table{width:100%;border-collapse:collapse;margin:20px 0;font-size:14.5px}
.article-body th,.article-body td{
  border:1px solid var(--line);padding:11px 14px;text-align:left;
}
.article-body th{background:rgba(37,99,235,.18);color:var(--text)}
.article-body td{color:var(--soft)}
/* ---------- Not found ---------- */
.article-notfound{
  background:var(--panel);border:1px dashed var(--line-strong);
  border-radius:var(--radius-lg);padding:52px 30px;text-align:center;
}
.article-notfound i{font-size:40px;color:var(--cyan);margin-bottom:18px}
.article-notfound h2{margin:0 0 12px;font-size:24px}
.article-notfound p{color:var(--muted);margin:0 0 22px}
/* ---------- Sidebar ---------- */
.article-side{display:flex;flex-direction:column;gap:22px;position:sticky;top:96px}
.side-card{
  background:var(--panel);border:1px solid var(--line);
  border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow);
}
.side-card h3{font-size:17px;margin:0 0 16px;display:flex;align-items:center;gap:9px}
.side-card h3 i{color:var(--cyan)}
.speed-list{display:flex;flex-direction:column;gap:16px}
.speed-item{display:flex;flex-direction:column;gap:7px}
.speed-item-top{display:flex;justify-content:space-between;font-size:13.5px;font-weight:600}
.speed-item-top span:last-child{color:var(--cyan)}
.speed-bar{height:7px;border-radius:999px;background:rgba(56,189,248,.12);overflow:hidden}
.speed-bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--blue),var(--cyan))}
.channel-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px}
.channel-list li{
  display:flex;align-items:center;gap:12px;font-size:14px;color:var(--soft);
  padding:11px 13px;border:1px solid var(--line);border-radius:var(--radius-sm);
  background:rgba(56,189,248,.05);transition:.2s;
}
.channel-list li:hover{border-color:var(--line-strong);background:rgba(56,189,248,.1)}
.channel-list li i{color:var(--cyan);width:20px;text-align:center}
.toc-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.toc-list a{
  font-size:14px;color:var(--muted);display:flex;gap:9px;align-items:flex-start;
  transition:.2s;line-height:1.5;
}
.toc-list a:hover{color:var(--cyan)}
.toc-list a i{font-size:10px;margin-top:6px;color:var(--cyan)}
.side-cta{
  background:linear-gradient(150deg,rgba(37,99,235,.28),rgba(56,189,248,.1));
  border:1px solid var(--line-strong);border-radius:var(--radius-lg);padding:26px;
  text-align:center;box-shadow:var(--glow);
}
.side-cta h3{margin:0 0 10px;font-size:18px}
.side-cta p{color:var(--soft);font-size:14px;margin:0 0 18px}
/* ---------- Badges / tags ---------- */
.tag-row{display:flex;flex-wrap:wrap;gap:9px;margin-top:20px}
.tag{
  font-size:12.5px;font-weight:600;padding:6px 13px;border-radius:999px;
  background:rgba(56,189,248,.09);border:1px solid var(--line);color:var(--soft);
}
/* ---------- Content blocks in article ---------- */
.stat-block{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));
  gap:14px;margin:24px 0;
}
.stat-cell{
  background:rgba(3,7,18,.5);border:1px solid var(--line);
  border-radius:var(--radius);padding:16px 18px;
}
.stat-cell strong{display:block;font-size:21px;color:var(--cyan)}
.stat-cell span{font-size:12.5px;color:var(--muted)}
/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px;margin-top:26px}
.faq-item{
  border:1px solid var(--line);border-radius:var(--radius);
  background:rgba(11,23,48,.55);overflow:hidden;
}
.faq-item summary{
  list-style:none;cursor:pointer;padding:17px 20px;
  display:flex;justify-content:space-between;align-items:center;gap:14px;
  font-weight:600;font-size:15.5px;transition:.2s;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:rgba(56,189,248,.07)}
.faq-item summary i{color:var(--cyan);transition:.28s;flex:0 0 auto}
.faq-item[open] summary i{transform:rotate(45deg)}
.faq-item p{margin:0;padding:0 20px 18px;color:var(--muted);font-size:14.5px}
/* ---------- Related ---------- */
.related-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:22px}
.related-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;transition:.26s;display:flex;flex-direction:column;
}
.related-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--glow)}
.related-card img{height:160px;object-fit:cover;width:100%}
.related-card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.related-card-body h3{font-size:16.5px;margin:0;line-height:1.4}
.related-card-body p{font-size:13.5px;color:var(--muted);margin:0;flex:1}
.related-card-body time{font-size:12.5px;color:var(--cyan);font-weight:600}
/* ---------- Footer ---------- */
.site-footer{
  background:linear-gradient(180deg,#050C1C,#030712);
  border-top:1px solid var(--line);padding:60px 0 26px;margin-top:20px;
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px;margin-bottom:40px;
}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{color:var(--muted);font-size:14px;margin:0 0 18px;line-height:1.65}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px}
.footer-tag{
  font-size:12px;font-weight:600;padding:6px 12px;border-radius:999px;
  background:rgba(56,189,248,.08);border:1px solid var(--line);color:var(--soft);
}
.footer-col h4{font-size:15px;margin:0 0 16px;color:var(--text)}
.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:11px}
.footer-col ul a{color:var(--muted);font-size:14px;transition:.2s}
.footer-col ul a:hover{color:var(--cyan)}
.footer-bottom{
  border-top:1px solid var(--line);padding-top:22px;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;align-items:center;
}
.footer-bottom p{color:var(--muted);font-size:13px;margin:0}
.age{
  font-size:12px;font-weight:700;color:var(--amber);
  border:1px solid rgba(250,204,21,.34);border-radius:999px;padding:5px 13px;
}
/* ---------- FAB ---------- */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:60;
  width:56px;height:56px;border-radius:50%;
  display:grid;place-items:center;font-size:22px;color:#03121F;
  background:linear-gradient(140deg,var(--blue),var(--cyan));
  border:2px solid rgba(248,250,252,.22);
  box-shadow:0 0 24px rgba(56,189,248,.5);
  cursor:pointer;transition:.26s;opacity:.9;
  animation:fabFloat 3.4s ease-in-out infinite;
}
.fab:hover{transform:scale(1.12);opacity:1}
.fab:active{transform:scale(.94) translateY(3px)}
.fab .dot{
  position:absolute;top:2px;right:2px;width:12px;height:12px;border-radius:50%;
  background:var(--pink);border:2px solid #030712;
}
@keyframes fabFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}
/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .article-grid{grid-template-columns:1fr}
  .article-side{position:static}
  .footer-grid{grid-template-columns:1fr 1fr}
  .main-nav{
    position:fixed;top:74px;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:16px 20px 24px;margin:0;
    transform:translateY(-140%);transition:.3s;visibility:hidden;
  }
  .main-nav.is-open{transform:translateY(0);visibility:visible}
  .nav-link{padding:13px 16px;font-size:15px;border-radius:12px}
  .nav-toggle{display:flex;margin-left:auto}
  .header-actions{margin-left:0}
}
@media (max-width:768px){
  .section{padding:54px 0}
  .article-body{padding:24px 20px}
  .header-actions .btn-ghost{display:none}
  .logo-text{max-width:170px;font-size:14px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .article-hero{padding:44px 0 36px}
}
@media (max-width:520px){
  .header-actions .btn{padding:9px 15px;font-size:13.5px}
  .logo-text{max-width:130px;font-size:13px}
  .logo-mark{width:34px;height:34px;flex:0 0 34px;font-size:16px}
  .article-body{padding:20px 16px}
  .article-body h2{font-size:20px;padding-left:12px}
  .fab{width:50px;height:50px;font-size:19px;bottom:88px}
  .stat-block{grid-template-columns:1fr 1fr}
}

/* roulang page: category3 */
:root{
  --bg:#030712;
  --bg-soft:#081229;
  --panel:rgba(11,23,48,.74);
  --panel-solid:#0B1730;
  --line:rgba(56,189,248,.16);
  --line-strong:rgba(56,189,248,.40);
  --blue:#2563EB;
  --cyan:#38BDF8;
  --holo:#60A5FA;
  --text:#F8FAFC;
  --soft:#CBD5E1;
  --muted:#94A3B8;
  --green:#22C55E;
  --amber:#FACC15;
  --pink:#F43F5E;
  --radius-lg:22px;
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 22px 48px rgba(2,6,23,.62);
  --glow:0 0 26px rgba(56,189,248,.30);
  --max:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:'Be Vietnam Pro','Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.62;
  overflow-x:hidden;
}
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 0 12px;line-height:1.26;font-weight:800;letter-spacing:-.02em}
h1{font-size:clamp(28px,3.6vw,44px)}
h2{font-size:clamp(24px,3vw,34px)}
h3{font-size:18px}
p{margin:0 0 14px}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:8px}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 20px}
/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(3,7,18,.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:18px;min-height:74px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;min-width:0}
.logo-mark{
  width:38px;height:38px;flex:0 0 38px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,var(--blue),var(--cyan));
  border-radius:12px;
  color:#04121F;font-size:18px;
  box-shadow:0 0 18px rgba(56,189,248,.45);
}
.logo-text{
  font-size:15.5px;font-weight:800;letter-spacing:-.02em;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:270px;
  background:linear-gradient(92deg,#F8FAFC,#7DD3FC);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:12px}
.nav-link{
  padding:9px 14px;border-radius:999px;font-size:14.5px;font-weight:500;
  color:var(--muted);border:1px solid transparent;transition:.22s;white-space:nowrap;
}
.nav-link:hover{color:var(--text);background:rgba(56,189,248,.10)}
.nav-link.is-active{
  color:#fff;background:rgba(37,99,235,.22);border-color:var(--line-strong);
  box-shadow:inset 0 0 18px rgba(56,189,248,.14);
}
.header-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:11px 22px;border-radius:999px;font-size:14.5px;font-weight:700;
  border:1px solid transparent;cursor:pointer;transition:.24s;white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--blue),var(--cyan));
  color:#03121F;box-shadow:0 0 20px rgba(56,189,248,.38);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 30px rgba(56,189,248,.6)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{color:var(--holo);border-color:var(--line-strong);background:transparent}
.btn-ghost:hover{background:rgba(56,189,248,.12);color:#fff}
.btn-lg{padding:15px 30px;font-size:16px}
.btn-block{width:100%}
.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:rgba(56,189,248,.07);cursor:pointer;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--cyan);margin:0 auto;border-radius:2px;transition:.25s}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
/* ---------- Sections ---------- */
.section{padding:74px 0;position:relative}
.section--soft{background:linear-gradient(180deg,#050C1C,#081229)}
.section--line{border-top:1px solid var(--line)}
.section-head{max-width:820px;margin-bottom:38px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--cyan);background:rgba(56,189,248,.10);
  border:1px solid var(--line);border-radius:999px;padding:6px 14px;margin-bottom:16px;
}
.section-head h2{margin-bottom:14px}
.section-sub{color:var(--muted);font-size:16px;max-width:760px}
.lead-note{color:var(--muted);font-size:14.5px;margin-top:18px}
/* ---------- Category hero ---------- */
.cat-hero{
  position:relative;overflow:hidden;padding:58px 0 74px;
  background:
    linear-gradient(180deg,rgba(3,7,18,.80) 0%,rgba(3,7,18,.93) 55%,rgba(3,7,18,1) 100%),
    url('/assets/images/ba533d3adcda3485.jpg') center/cover no-repeat;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(56,189,248,.07) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(56,189,248,.07) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(circle at 72% 18%,#000 0%,transparent 72%);
  -webkit-mask-image:radial-gradient(circle at 72% 18%,#000 0%,transparent 72%);
}
.cat-hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:start}
.hero-badge{
  display:inline-flex;align-items:center;gap:9px;font-size:12.5px;font-weight:700;
  letter-spacing:.1em;text-transform:uppercase;color:var(--amber);
  background:rgba(250,204,21,.09);border:1px solid rgba(250,204,21,.28);
  border-radius:999px;padding:7px 15px;margin-bottom:20px;
}
.cat-title span{
  background:linear-gradient(96deg,#38BDF8,#60A5FA 55%,#A3E635);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.cat-lead{color:var(--soft);font-size:16.5px;max-width:640px;margin-bottom:24px}
.hero-stats{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px}
.hero-stat{
  background:rgba(11,23,48,.72);border:1px solid var(--line);
  border-radius:var(--radius);padding:13px 18px;min-width:150px;
}
.hero-stat strong{display:block;font-size:20px;color:var(--cyan)}
.hero-stat span{font-size:12.5px;color:var(--muted)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
/* audit panel */
.audit-panel{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:22px;box-shadow:var(--shadow);backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
}
.audit-panel__media{
  border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);margin-bottom:18px;
}
.audit-panel__media img{width:100%;aspect-ratio:16/9;object-fit:cover}
.audit-panel__title{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:15px;font-weight:700;margin-bottom:6px;
}
.audit-panel__title span{
  font-size:11.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  color:var(--green);background:rgba(34,197,94,.12);border:1px solid rgba(34,197,94,.3);
  border-radius:999px;padding:4px 10px;
}
.audit-row{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:12px 0;border-bottom:1px dashed rgba(56,189,248,.18);font-size:14.5px;color:var(--soft);
}
.audit-row:last-child{border-bottom:none}
.audit-row strong{color:var(--cyan);font-weight:700;white-space:nowrap}
/* ---------- Criteria ---------- */
.criteria-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.criteria-card{
  background:linear-gradient(160deg,rgba(11,23,48,.86),rgba(8,18,41,.68));
  border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px;transition:.25s;
}
.criteria-card:hover{border-color:var(--line-strong);transform:translateY(-4px);box-shadow:var(--glow)}
.criteria-icon{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:rgba(56,189,248,.12);color:var(--cyan);font-size:18px;margin-bottom:14px;
}
.criteria-card h3{font-size:17px;margin-bottom:8px}
.criteria-card p{color:var(--muted);font-size:14.5px;margin:0}
/* ---------- Split ---------- */
.split{display:grid;grid-template-columns:.95fr 1.05fr;gap:44px;align-items:center}
.split-media{
  border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow);position:relative;
}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.split-media__tag{
  position:absolute;left:16px;bottom:16px;font-size:12px;font-weight:700;
  letter-spacing:.08em;text-transform:uppercase;color:#04121F;
  background:linear-gradient(120deg,var(--cyan),#A3E635);
  border-radius:999px;padding:6px 14px;
}
.check-list li{
  display:flex;gap:12px;padding:12px 0;border-bottom:1px solid rgba(56,189,248,.10);
  color:var(--soft);font-size:15px;
}
.check-list li:last-child{border-bottom:none}
.check-list i{color:var(--green);margin-top:5px;font-size:14px}
/* ---------- Score ---------- */
.score-list{display:grid;gap:18px;max-width:920px}
.score-row{display:grid;grid-template-columns:210px 1fr 78px;align-items:center;gap:18px}
.score-row span.score-name{font-size:15px;color:var(--soft);font-weight:600}
.score-bar{height:10px;border-radius:999px;background:rgba(56,189,248,.10);overflow:hidden}
.score-bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--blue),var(--cyan))}
.score-val{font-weight:800;color:var(--cyan);text-align:right;font-size:15px}
/* ---------- Metrics ---------- */
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-bottom:34px}
.metric{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.metric strong{
  display:block;font-size:26px;font-weight:800;
  background:linear-gradient(92deg,#38BDF8,#A3E635);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.metric span{font-size:13px;color:var(--muted)}
.channel-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.channel-item{
  border:1px solid var(--line);border-radius:var(--radius);padding:18px;
  background:rgba(11,23,48,.6);
}
.channel-item h3{font-size:15.5px;margin-bottom:6px;display:flex;align-items:center;gap:9px}
.channel-item h3 i{color:var(--cyan)}
.channel-item p{font-size:13.5px;color:var(--muted);margin:0}
/* ---------- Quotes ---------- */
.quote-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.quote-card{
  background:rgba(11,23,48,.7);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:22px;display:flex;flex-direction:column;gap:14px;
}
.quote-card p{color:var(--soft);font-size:15px;margin:0}
.quote-who{display:flex;align-items:center;gap:12px;margin-top:auto}
.quote-avatar{
  width:40px;height:40px;flex:0 0 40px;border-radius:50%;
  background:linear-gradient(135deg,var(--blue),var(--cyan));
  display:grid;place-items:center;font-weight:800;color:#03121F;font-size:15px;
}
.quote-who strong{display:block;font-size:14.5px}
.quote-who span{font-size:12.5px;color:var(--muted)}
/* ---------- Warnings ---------- */
.warn-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.warn-item{
  display:flex;gap:14px;padding:18px;border-radius:var(--radius);
  border:1px solid rgba(244,63,94,.28);background:rgba(244,63,94,.06);
}
.warn-item i{color:var(--pink);margin-top:4px}
.warn-item h3{font-size:15.5px;margin-bottom:6px}
.warn-item p{font-size:14px;color:var(--muted);margin:0}
/* ---------- News ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.news-card{
  background:linear-gradient(170deg,rgba(11,23,48,.9),rgba(8,18,41,.7));
  border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;
  display:flex;flex-direction:column;transition:.25s;
}
.news-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:var(--glow)}
.news-card__media{display:block;overflow:hidden}
.news-card__media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:.35s}
.news-card:hover .news-card__media img{transform:scale(1.05)}
.news-card__body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-card__cat{
  font-size:11.5px;letter-spacing:.1em;text-transform:uppercase;
  color:var(--cyan);font-weight:700;
}
.news-card h3{font-size:17px;margin:0}
.news-card h3 a:hover{color:var(--cyan)}
.news-card__body p{font-size:14px;color:var(--muted);margin:0}
.news-card__meta{font-size:12.5px;color:var(--muted);margin-top:auto;display:flex;gap:8px;align-items:center}
.empty-note{color:var(--muted);font-size:15px;padding:22px;border:1px dashed var(--line);border-radius:var(--radius)}
/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:920px}
.faq-item{
  border:1px solid var(--line);border-radius:var(--radius);
  background:rgba(11,23,48,.66);padding:0 20px;transition:.22s;
}
.faq-item:hover{border-color:var(--line-strong)}
.faq-item summary{
  cursor:pointer;padding:18px 0;font-weight:700;font-size:16.5px;
  list-style:none;display:flex;justify-content:space-between;gap:14px;align-items:center;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
  color:var(--cyan);font-size:13px;transition:.25s;
}
.faq-item[open] summary::after{content:"\f068"}
.faq-item p{color:var(--soft);padding-bottom:18px;margin:0;font-size:15px}
/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  border:1px solid var(--line-strong);
  background:linear-gradient(120deg,rgba(37,99,235,.28),rgba(56,189,248,.12));
  padding:40px;display:flex;gap:30px;align-items:center;justify-content:space-between;
}
.cta-band h2{margin-bottom:10px}
.cta-band p{color:var(--soft);max-width:620px;margin:0}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
/* ---------- Footer ---------- */
.site-footer{background:#020610;border-top:1px solid var(--line);padding:56px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}
.footer-brand p{color:var(--muted);font-size:14.5px;max-width:390px;margin-top:14px}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.footer-tag{
  font-size:12.5px;padding:5px 12px;border-radius:999px;
  border:1px solid var(--line);color:var(--soft);background:rgba(56,189,248,.06);
  display:inline-block;
}
.footer-col h4{
  font-size:13.5px;letter-spacing:.09em;text-transform:uppercase;
  color:var(--holo);margin-bottom:14px;
}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{color:var(--muted);font-size:14.5px;transition:.2s}
.footer-col ul li a:hover{color:var(--cyan)}
.footer-bottom{
  border-top:1px solid var(--line);margin-top:36px;padding-top:20px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  font-size:13px;color:var(--muted);
}
.age{
  border:1px solid var(--line);border-radius:999px;padding:5px 13px;
  font-size:12px;color:var(--soft);
}
/* ---------- Responsive ---------- */
@media (max-width:1080px){
  .cat-hero-grid{gap:34px}
  .criteria-grid{grid-template-columns:repeat(2,1fr)}
  .metric-grid{grid-template-columns:repeat(2,1fr)}
  .channel-grid{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:1024px){
  .main-nav{
    position:fixed;top:74px;left:0;right:0;margin-left:0;
    flex-direction:column;align-items:stretch;gap:6px;
    padding:16px 20px 24px;
    background:rgba(3,7,18,.98);
    border-bottom:1px solid var(--line);
    transform:translateY(-12px);opacity:0;pointer-events:none;
    transition:.25s;max-height:calc(100vh - 74px);overflow:auto;
  }
  .main-nav.is-open{transform:translateY(0);opacity:1;pointer-events:auto}
  .nav-link{padding:12px 14px;font-size:15px}
  .nav-toggle{display:flex;margin-left:auto}
  .header-actions{margin-left:0}
}
@media (max-width:900px){
  .cat-hero-grid{grid-template-columns:1fr}
  .split{grid-template-columns:1fr;gap:26px}
  .quote-grid{grid-template-columns:1fr}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px}
}
@media (max-width:680px){
  .section{padding:56px 0}
  .criteria-grid{grid-template-columns:1fr}
  .warn-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .metric-grid{grid-template-columns:1fr}
  .channel-grid{grid-template-columns:1fr}
  .score-row{grid-template-columns:1fr;gap:8px}
  .score-val{text-align:left}
  .logo-text{max-width:150px;font-size:13.5px}
  .header-actions .btn{padding:9px 15px;font-size:13.5px}
  .hero-stat{min-width:132px;padding:11px 14px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:420px){
  .header-inner{gap:10px}
  .logo-text{max-width:118px}
  .header-actions .btn-ghost{display:none}
}