/* roulang page: index */
:root{
  --bg:#030712;
  --bg-soft:#060B1C;
  --bg-deep:#02040F;
  --panel:rgba(255,255,255,.045);
  --panel-2:rgba(255,255,255,.075);
  --border:rgba(148,163,184,.18);
  --border-strong:rgba(56,189,248,.45);
  --blue:#2563EB;
  --blue-deep:#1D4ED8;
  --cyan:#38BDF8;
  --cyan-soft:rgba(56,189,248,.14);
  --gold:#FBBF24;
  --text:#F8FAFC;
  --muted:#94A3B8;
  --muted-2:#64748B;
  --radius-sm:12px;
  --radius:18px;
  --radius-lg:26px;
  --radius-pill:999px;
  --shadow:0 24px 60px rgba(2,6,23,.6);
  --shadow-soft:0 12px 32px rgba(2,6,23,.45);
  --glow-btn:0 0 0 1px rgba(56,189,248,.28), 0 14px 34px rgba(37,99,235,.42);
  --glow-btn-hover:0 0 26px rgba(56,189,248,.55), 0 18px 40px rgba(37,99,235,.5);
  --container:1200px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:'Be Vietnam Pro','Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background:
    radial-gradient(900px 520px at 12% -8%, rgba(37,99,235,.24), transparent 62%),
    radial-gradient(760px 460px at 92% 4%, rgba(56,189,248,.16), transparent 60%),
    linear-gradient(180deg, rgba(3,7,18,0) 0%, rgba(2,4,15,.9) 100%);
  pointer-events:none;
  z-index:0;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;transition:color .22s ease,opacity .22s ease;}
a:hover{color:var(--cyan);}
h1,h2,h3,h4,h5{margin:0 0 .6rem;font-weight:800;letter-spacing:-.015em;line-height:1.25;}
p{margin:0 0 1rem;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px;}

.container{max-width:var(--container);width:100%;padding-left:20px;padding-right:20px;margin:0 auto;}
main{position:relative;z-index:1;}
.section{padding:84px 0;position:relative;}
.section--alt{
  background:linear-gradient(180deg, rgba(6,11,28,.85) 0%, rgba(3,7,18,.92) 100%);
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
}
.section--deep{background:linear-gradient(180deg, rgba(2,4,15,.92), rgba(6,11,28,.7));}

.section__head{max-width:780px;margin-bottom:44px;}
.section__eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.72rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--cyan);
  background:var(--cyan-soft);
  border:1px solid var(--border-strong);
  border-radius:var(--radius-pill);
  padding:6px 14px;margin-bottom:16px;
}
.section__title{font-size:clamp(1.55rem,3.1vw,2.3rem);}
.section__desc{color:var(--muted);font-size:1.02rem;max-width:720px;margin:0;}
.text-accent{color:var(--cyan);}
.text-gold{color:var(--gold);}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(3,7,18,.82);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--border);
}
.header-inner{
  display:flex;align-items:center;gap:22px;
  min-height:74px;
}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:44px;height:44px;border-radius:14px;
  display:grid;place-items:center;
  font-size:1.35rem;
  background:linear-gradient(140deg,var(--blue),var(--cyan));
  box-shadow:0 10px 26px rgba(37,99,235,.45);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:1.02rem;font-weight:800;letter-spacing:-.01em;}
.brand-text small{font-size:.68rem;color:var(--muted);letter-spacing:.04em;}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-link{
  position:relative;
  font-size:.9rem;font-weight:600;color:var(--muted);
  padding:9px 14px;border-radius:var(--radius-pill);
  transition:color .22s, background .22s;
  white-space:nowrap;
}
.nav-link:hover{color:var(--text);background:var(--panel);}
.nav-link.is-active{color:var(--text);background:var(--panel-2);box-shadow:inset 0 0 0 1px var(--border-strong);}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;
  padding:.6rem 1.1rem;border-radius:var(--radius-pill);
  font-size:.86rem;font-weight:600;color:var(--cyan);
  border:1px solid var(--border-strong);
  background:transparent;transition:.24s;
}
.btn-ghost:hover{background:var(--cyan-soft);color:#fff;border-color:var(--cyan);}
.btn-glow{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  padding:.78rem 1.55rem;border-radius:var(--radius-pill);
  font-size:.9rem;font-weight:700;color:#fff;
  background:linear-gradient(120deg,var(--blue) 0%,var(--cyan) 100%);
  box-shadow:var(--glow-btn);
  transition:transform .24s ease, box-shadow .24s ease, filter .24s ease;
  border:0;
}
.btn-glow:hover{transform:translateY(-2px);box-shadow:var(--glow-btn-hover);color:#fff;filter:brightness(1.05);}
.btn-glow:active{transform:translateY(0) scale(.98);}
.btn-sm{padding:.55rem 1.05rem;font-size:.82rem;}
.btn-lg{padding:.95rem 1.9rem;font-size:.98rem;}
.btn-outline-cyan{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  padding:.78rem 1.5rem;border-radius:var(--radius-pill);
  font-size:.9rem;font-weight:600;color:var(--text);
  border:1px solid var(--border);
  background:var(--panel);transition:.24s;
}
.btn-outline-cyan:hover{border-color:var(--cyan);color:var(--cyan);background:var(--cyan-soft);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  background:var(--panel);border:1px solid var(--border);
  color:var(--text);font-size:1.05rem;
}
.nav-toggle:hover{border-color:var(--cyan);color:var(--cyan);}

/* ---------- Glass ---------- */
.glass{
  background:linear-gradient(160deg, rgba(255,255,255,.075) 0%, rgba(255,255,255,.02) 100%);
  border:1px solid var(--border);
  border-radius:var(--radius);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding:70px 0 92px;
  overflow:hidden;
  background-image:
    linear-gradient(160deg, rgba(3,7,18,.90) 0%, rgba(3,7,18,.80) 42%, rgba(3,7,18,.96) 100%),
    url('/assets/images/a1a9e6bea4618b4e.jpg');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--border);
}
.hero::after{
  content:"";
  position:absolute;inset:0;
  background:radial-gradient(620px 360px at 78% 18%, rgba(56,189,248,.20), transparent 68%);
  pointer-events:none;
}
.hero .container{position:relative;z-index:2;}
.hero-badge{
  display:inline-flex;align-items:center;gap:9px;
  padding:7px 15px;border-radius:var(--radius-pill);
  background:rgba(56,189,248,.12);
  border:1px solid var(--border-strong);
  font-size:.75rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
  color:var(--cyan);margin-bottom:20px;
}
.pulse-dot{
  width:8px;height:8px;border-radius:50%;background:#22D3EE;
  box-shadow:0 0 0 0 rgba(34,211,238,.7);
  animation:pulseDot 2.1s infinite;
}
@keyframes pulseDot{
  0%{box-shadow:0 0 0 0 rgba(34,211,238,.65);}
  70%{box-shadow:0 0 0 12px rgba(34,211,238,0);}
  100%{box-shadow:0 0 0 0 rgba(34,211,238,0);}
}
.hero h1{
  font-size:clamp(1.8rem,4vw,3rem);
  font-weight:900;
  letter-spacing:-.025em;
  margin-bottom:18px;
}
.hero h1 .hl{
  background:linear-gradient(120deg,var(--cyan),#A5F3FC 60%,var(--gold));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{color:var(--muted);font-size:1.02rem;max-width:640px;margin-bottom:26px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:22px;margin-bottom:28px;}
.hero-stat{min-width:132px;}
.hero-stat b{display:block;font-size:1.45rem;font-weight:800;color:#fff;letter-spacing:-.02em;}
.hero-stat span{font-size:.78rem;color:var(--muted);letter-spacing:.03em;}

.quiz-card{padding:26px 24px 24px;}
.quiz-step{
  font-size:.7rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--cyan);
}
.quiz-q{font-size:1.06rem;font-weight:700;margin:8px 0 16px;}
.quiz-options{display:flex;flex-direction:column;gap:10px;margin-bottom:20px;}
.quiz-opt{
  display:flex;align-items:center;gap:12px;
  padding:13px 16px;border-radius:var(--radius-sm);
  border:1px solid var(--border);
  background:rgba(255,255,255,.025);
  color:var(--muted);font-size:.9rem;font-weight:600;
  text-align:left;transition:.22s;
}
.quiz-opt::before{
  content:"";width:16px;height:16px;border-radius:50%;
  border:2px solid var(--muted-2);flex-shrink:0;transition:.22s;
}
.quiz-opt:hover{border-color:var(--border-strong);color:var(--text);background:rgba(56,189,248,.07);}
.quiz-opt.is-active{
  color:#fff;border-color:var(--cyan);
  background:linear-gradient(120deg, rgba(37,99,235,.28), rgba(56,189,248,.14));
  box-shadow:0 0 20px rgba(56,189,248,.22);
}
.quiz-opt.is-active::before{border-color:var(--cyan);background:var(--cyan);box-shadow:0 0 10px rgba(56,189,248,.8);}
.quiz-foot{display:flex;flex-wrap:wrap;align-items:center;gap:14px;}
.quiz-note{font-size:.78rem;color:var(--muted-2);}

.result-panel{padding:24px;}
.result-head{
  display:flex;align-items:center;gap:9px;
  font-size:.72rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--cyan);margin-bottom:16px;
}
.live-dot{
  width:8px;height:8px;border-radius:50%;background:#22D3EE;
  animation:pulseDot 1.8s infinite;
}
.result-view{display:none;}
.result-view.is-active{display:block;animation:fadeIn .35s ease;}
@keyframes fadeIn{from{opacity:0;transform:translateY(8px);}to{opacity:1;transform:translateY(0);}}
.result-view h3{font-size:1.12rem;margin-bottom:6px;}
.result-view .result-sub{font-size:.85rem;color:var(--muted);margin-bottom:16px;}
.result-kpis{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-bottom:18px;}
.result-kpi{
  padding:12px 14px;border-radius:var(--radius-sm);
  background:rgba(255,255,255,.035);border:1px solid var(--border);
}
.result-kpi b{display:block;font-size:1.05rem;color:#fff;font-weight:800;}
.result-kpi span{font-size:.74rem;color:var(--muted);}
.meter{height:8px;border-radius:99px;background:rgba(148,163,184,.16);overflow:hidden;margin-bottom:8px;}
.meter i{
  display:block;height:100%;border-radius:99px;
  background:linear-gradient(90deg,var(--blue),var(--cyan));
  box-shadow:0 0 14px rgba(56,189,248,.6);
}
.meter-label{font-size:.76rem;color:var(--muted);margin-bottom:16px;}
.result-list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:.86rem;color:var(--muted);padding:7px 0;
}
.result-list li i{color:var(--cyan);margin-top:4px;font-size:.78rem;}

/* ---------- Metric board ---------- */
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.metric-card{
  padding:24px 22px;
  border-radius:var(--radius);
  border:1px solid var(--border);
  background:linear-gradient(160deg, rgba(37,99,235,.16), rgba(255,255,255,.02));
  transition:transform .26s ease, border-color .26s ease, box-shadow .26s ease;
}
.metric-card:hover{transform:translateY(-5px);border-color:var(--border-strong);box-shadow:0 18px 40px rgba(37,99,235,.28);}
.metric-card i{font-size:1.15rem;color:var(--cyan);margin-bottom:14px;display:block;}
.metric-card b{display:block;font-size:1.75rem;font-weight:900;letter-spacing:-.02em;margin-bottom:4px;}
.metric-card span{font-size:.82rem;color:var(--muted);}

/* ---------- Feature grid ---------- */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.feature-card{
  padding:26px 24px;
  border-radius:var(--radius);
  border:1px solid var(--border);
  background:var(--panel);
  transition:transform .26s ease, border-color .26s ease, background .26s ease;
  height:100%;
}
.feature-card:hover{transform:translateY(-5px);border-color:var(--border-strong);background:var(--panel-2);}
.feature-icon{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  background:linear-gradient(140deg, rgba(37,99,235,.35), rgba(56,189,248,.18));
  border:1px solid var(--border-strong);
  color:var(--cyan);font-size:1.05rem;margin-bottom:16px;
}
.feature-card h3{font-size:1.06rem;}
.feature-card p{font-size:.88rem;color:var(--muted);margin:0;}

/* ---------- Category matrix ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.cat-card{
  position:relative;display:block;overflow:hidden;
  border-radius:var(--radius);
  border:1px solid var(--border);
  min-height:230px;
  padding:26px 24px;
  background-size:cover;background-position:center;
  transition:transform .3s ease, border-color .3s ease, box-shadow .3s ease;
}
.cat-card::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg, rgba(3,7,18,.35) 0%, rgba(3,7,18,.92) 72%);
  transition:background .3s ease;
}
.cat-card:hover{transform:translateY(-6px);border-color:var(--cyan);box-shadow:0 22px 48px rgba(37,99,235,.35);}
.cat-card:hover::before{background:linear-gradient(180deg, rgba(37,99,235,.32) 0%, rgba(3,7,18,.94) 74%);}
.cat-card > *{position:relative;z-index:2;}
.cat-tag{
  display:inline-block;font-size:.68rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--cyan);background:rgba(3,7,18,.6);border:1px solid var(--border-strong);
  padding:5px 11px;border-radius:var(--radius-pill);margin-bottom:auto;
}
.cat-card h3{font-size:1.1rem;margin-top:80px;}
.cat-card p{font-size:.85rem;color:var(--muted);margin:0;}

/* ---------- Time slot cards ---------- */
.slot-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.slot-card{
  padding:22px 20px;border-radius:var(--radius);
  border:1px solid var(--border);background:var(--panel);
  transition:.26s;
}
.slot-card:hover{border-color:var(--border-strong);background:var(--panel-2);transform:translateY(-4px);}
.slot-time{font-size:1.1rem;font-weight:800;color:var(--cyan);margin-bottom:6px;}
.slot-card h4{font-size:.96rem;margin-bottom:8px;}
.slot-card p{font-size:.83rem;color:var(--muted);margin:0;}
.slot-status{
  display:inline-flex;align-items:center;gap:6px;
  font-size:.72rem;font-weight:700;color:var(--gold);
  margin-top:12px;
}

/* ---------- Mechanism article ---------- */
.mech-wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:28px;align-items:start;}
.mech-body p{color:var(--muted);font-size:.95rem;}
.mech-block{
  padding:22px 22px 20px;border-radius:var(--radius);
  border:1px solid var(--border);background:var(--panel);margin-bottom:16px;
}
.mech-block h3{font-size:1.02rem;color:#fff;}
.mech-block h3 i{color:var(--cyan);margin-right:8px;}
.mech-block p{font-size:.88rem;color:var(--muted);margin:0;}
.tier-list{display:flex;flex-direction:column;gap:12px;}
.tier-item{
  display:flex;align-items:center;gap:14px;
  padding:15px 18px;border-radius:var(--radius-sm);
  border:1px solid var(--border);background:rgba(255,255,255,.028);
}
.tier-item b{font-size:.92rem;min-width:82px;color:#fff;}
.tier-item span{font-size:.83rem;color:var(--muted);}
.tier-dot{width:10px;height:10px;border-radius:50%;background:var(--cyan);box-shadow:0 0 12px rgba(56,189,248,.8);flex-shrink:0;}
.tier-dot.gold{background:var(--gold);box-shadow:0 0 12px rgba(251,191,36,.85);}
.tier-dot.blue{background:var(--blue);box-shadow:0 0 12px rgba(37,99,235,.85);}

/* ---------- Experts ---------- */
.expert-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.expert-card{
  padding:24px;border-radius:var(--radius);
  border:1px solid var(--border);background:var(--panel);
  transition:.26s;
}
.expert-card:hover{border-color:var(--border-strong);transform:translateY(-4px);}
.expert-avatar{
  width:58px;height:58px;border-radius:18px;object-fit:cover;
  border:2px solid var(--border-strong);margin-bottom:14px;
}
.expert-card h4{font-size:.98rem;margin-bottom:3px;}
.expert-role{font-size:.76rem;color:var(--cyan);letter-spacing:.05em;text-transform:uppercase;font-weight:700;margin-bottom:10px;display:block;}
.expert-card p{font-size:.85rem;color:var(--muted);margin:0;}

/* ---------- Compare ---------- */
.compare-table{width:100%;border-collapse:separate;border-spacing:0;overflow:hidden;border-radius:var(--radius);border:1px solid var(--border);}
.compare-table th,.compare-table td{padding:15px 18px;font-size:.88rem;border-bottom:1px solid var(--border);}
.compare-table thead th{
  background:rgba(37,99,235,.16);color:#fff;font-weight:700;font-size:.84rem;
  letter-spacing:.03em;text-align:left;
}
.compare-table thead th:not(:first-child){text-align:center;}
.compare-table tbody td{color:var(--muted);}
.compare-table tbody td:first-child{color:#fff;font-weight:600;}
.compare-table tbody td:not(:first-child){text-align:center;}
.compare-table tbody tr:last-child td{border-bottom:0;}
.compare-table tbody tr:hover td{background:rgba(255,255,255,.03);}
.yes{color:#22D3EE;font-weight:700;}

/* ---------- Timeline ---------- */
.timeline{position:relative;padding-left:28px;}
.timeline::before{
  content:"";position:absolute;left:7px;top:6px;bottom:6px;width:2px;
  background:linear-gradient(180deg,var(--cyan),rgba(37,99,235,.15));
}
.tl-item{position:relative;padding-bottom:26px;}
.tl-item::before{
  content:"";position:absolute;left:-28px;top:6px;width:16px;height:16px;border-radius:50%;
  background:var(--bg);border:2px solid var(--cyan);box-shadow:0 0 12px rgba(56,189,248,.7);
}
.tl-item h4{font-size:.98rem;margin-bottom:5px;}
.tl-item span{font-size:.74rem;color:var(--cyan);letter-spacing:.08em;text-transform:uppercase;font-weight:700;}
.tl-item p{font-size:.87rem;color:var(--muted);margin:6px 0 0;}

/* ---------- Reviews ---------- */
.review-head{display:flex;flex-wrap:wrap;align-items:center;gap:26px;margin-bottom:30px;}
.score-box{
  padding:20px 26px;border-radius:var(--radius);
  border:1px solid var(--border-strong);background:rgba(56,189,248,.08);
  text-align:center;
}
.score-box b{display:block;font-size:2.1rem;font-weight:900;color:var(--cyan);line-height:1;}
.score-box span{font-size:.78rem;color:var(--muted);}
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.review-card{
  padding:22px;border-radius:var(--radius);
  border:1px solid var(--border);background:var(--panel);
  transition:.26s;
}
.review-card:hover{border-color:var(--border-strong);transform:translateY(-4px);}
.review-stars{color:var(--gold);font-size:.8rem;margin-bottom:10px;letter-spacing:2px;}
.review-card p{font-size:.87rem;color:var(--muted);margin-bottom:14px;}
.review-user{display:flex;align-items:center;gap:10px;}
.review-user img{width:36px;height:36px;border-radius:50%;object-fit:cover;border:1px solid var(--border-strong);}
.review-user b{font-size:.85rem;display:block;}
.review-user span{font-size:.72rem;color:var(--muted-2);}

/* ---------- Trust ---------- */
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.trust-item{
  padding:20px;border-radius:var(--radius);
  border:1px solid var(--border);background:var(--panel);
  display:flex;gap:14px;align-items:flex-start;transition:.26s;
}
.trust-item:hover{border-color:var(--border-strong);background:var(--panel-2);}
.trust-item i{color:var(--cyan);font-size:1.1rem;margin-top:3px;}
.trust-item h4{font-size:.9rem;margin-bottom:4px;}
.trust-item p{font-size:.8rem;color:var(--muted);margin:0;}

/* ---------- News (CMS) ---------- */
.news-layout{display:grid;grid-template-columns:1.35fr .65fr;gap:26px;align-items:start;}
.news-list{display:flex;flex-direction:column;gap:16px;}
.news-item{
  display:grid;grid-template-columns:190px 1fr;gap:18px;
  padding:16px;border-radius:var(--radius);
  border:1px solid var(--border);background:var(--panel);
  transition:.26s;
}
.news-item:hover{border-color:var(--border-strong);background:var(--panel-2);transform:translateY(-3px);}
.news-thumb{
  position:relative;display:block;border-radius:var(--radius-sm);overflow:hidden;
  aspect-ratio:16/10;background:rgba(148,163,184,.1);
}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.news-item:hover .news-thumb img{transform:scale(1.06);}
.news-body h3{font-size:.99rem;margin-bottom:6px;}
.news-body p{font-size:.84rem;color:var(--muted);margin-bottom:10px;}
.news-meta{display:flex;flex-wrap:wrap;gap:14px;font-size:.74rem;color:var(--muted-2);}
.news-meta i{color:var(--cyan);margin-right:5px;}
.news-side{padding:22px;border-radius:var(--radius);border:1px solid var(--border);background:var(--panel);}
.news-side h4{font-size:.92rem;margin-bottom:16px;}
.side-item{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid var(--border);}
.side-item:last-child{border-bottom:0;padding-bottom:0;}
.side-index{font-size:1.05rem;font-weight:900;color:rgba(56,189,248,.5);line-height:1.2;min-width:26px;}
.side-item h5{font-size:.85rem;font-weight:600;margin-bottom:4px;line-height:1.4;}
.side-item span{font-size:.72rem;color:var(--muted-2);}
.empty-note{
  padding:26px;border-radius:var(--radius);border:1px dashed var(--border);
  color:var(--muted);font-size:.9rem;text-align:center;
}
.news-more{margin-top:22px;}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:920px;}
.faq-item{
  border:1px solid var(--border);border-radius:var(--radius);
  background:var(--panel);overflow:hidden;transition:.26s;
}
.faq-item:hover{border-color:var(--border-strong);}
.faq-q{
  width:100%;display:flex;justify-content:space-between;align-items:center;gap:16px;
  padding:18px 22px;font-size:.95rem;font-weight:700;text-align:left;color:#fff;
}
.faq-q i{color:var(--cyan);transition:transform .3s ease;flex-shrink:0;}
.faq-item.is-open .faq-q i{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;}
.faq-item.is-open .faq-a{max-height:320px;}
.faq-a p{padding:0 22px 20px;margin:0;font-size:.88rem;color:var(--muted);}

/* ---------- Form ---------- */
.form-wrap{
  display:grid;grid-template-columns:1fr 1fr;gap:34px;
  padding:38px;border-radius:var(--radius-lg);
  border:1px solid var(--border-strong);
  background:
    radial-gradient(520px 320px at 88% 12%, rgba(56,189,248,.16), transparent 66%),
    linear-gradient(150deg, rgba(37,99,235,.16), rgba(255,255,255,.02));
  box-shadow:var(--shadow);
}
.form-side h2{font-size:clamp(1.4rem,2.6vw,1.9rem);}
.form-side p{color:var(--muted);font-size:.92rem;}
.form-perks{display:flex;flex-direction:column;gap:10px;margin-top:20px;}
.form-perks li{display:flex;gap:10px;font-size:.86rem;color:var(--muted);align-items:flex-start;}
.form-perks li i{color:var(--cyan);margin-top:4px;}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.form-field{display:flex;flex-direction:column;gap:6px;}
.form-field.full{grid-column:1/-1;}
.form-field label{font-size:.78rem;color:var(--muted);font-weight:600;letter-spacing:.03em;}
.form-field input,.form-field select,.form-field textarea{
  width:100%;padding:12px 14px;border-radius:var(--radius-sm);
  background:rgba(3,7,18,.65);
  border:1px solid var(--border);
  color:var(--text);font-size:.88rem;font-family:inherit;
  transition:.22s;
}
.form-field textarea{resize:vertical;min-height:88px;}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{
  outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(56,189,248,.16);
}
.form-field input::placeholder,.form-field textarea::placeholder{color:var(--muted-2);}
.form-note{font-size:.75rem;color:var(--muted-2);margin-top:12px;}

/* ---------- Footer ---------- */
.site-footer{
  position:relative;z-index:1;
  background:linear-gradient(180deg, rgba(2,4,15,.9), rgba(3,7,18,1));
  border-top:1px solid var(--border);
  padding:62px 0 26px;
  margin-top:0;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:34px;margin-bottom:40px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:.85rem;color:var(--muted);max-width:320px;}
.pay-badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.pay-badge{
  font-size:.72rem;font-weight:700;color:var(--text);
  padding:6px 12px;border-radius:var(--radius-pill);
  border:1px solid var(--border);background:var(--panel);
}
.footer-col h4{font-size:.86rem;letter-spacing:.09em;text-transform:uppercase;color:#fff;margin-bottom:16px;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:.85rem;color:var(--muted);}
.footer-col a:hover{color:var(--cyan);}
.footer-bottom{
  border-top:1px solid var(--border);padding-top:22px;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;
  font-size:.78rem;color:var(--muted-2);
}
.age-badge{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:11px;
  border:1px solid #DC2626;color:#F87171;font-weight:800;font-size:.82rem;
  margin-right:10px;
}

/* ---------- FAB ---------- */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:70;
  width:56px;height:56px;border-radius:var(--radius-pill);
  display:grid;place-items:center;
  background:
    linear-gradient(rgba(6,11,28,.88), rgba(6,11,28,.88)) padding-box,
    linear-gradient(135deg,var(--blue),var(--cyan)) border-box;
  border:2px solid transparent;
  color:var(--cyan);font-size:1.25rem;
  box-shadow:0 0 22px rgba(56,189,248,.45);
  transition:transform .26s ease, box-shadow .26s ease, opacity .26s ease;
  opacity:.78;
  animation:fabPulse 3s ease-in-out infinite;
}
@keyframes fabPulse{
  0%,100%{box-shadow:0 0 18px rgba(56,189,248,.38);}
  50%{box-shadow:0 0 30px rgba(56,189,248,.62);}
}
.fab:hover{transform:scale(1.1);opacity:1;box-shadow:0 0 34px rgba(56,189,248,.75);}
.fab:active{transform:scale(.94);}
.fab .fab-dot{
  position:absolute;top:-2px;right:-2px;
  width:14px;height:14px;border-radius:50%;
  background:#EC4899;border:2px solid #030712;
  animation:pulseDot 1.8s infinite;
}

/* ---------- Responsive ---------- */
@media (max-width:1100px){
  .metric-grid{grid-template-columns:repeat(2,1fr);}
  .slot-grid{grid-template-columns:repeat(2,1fr);}
  .trust-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1.3fr 1fr 1fr;gap:26px;}
  .footer-brand{grid-column:1/-1;}
}
@media (max-width:991px){
  .main-nav{
    position:absolute;top:100%;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;
    padding:14px 20px 20px;
    background:rgba(3,7,18,.97);
    backdrop-filter:blur(18px);
    border-bottom:1px solid var(--border);
    display:none;margin-left:0;
  }
  .main-nav.is-open{display:flex;}
  .nav-link{padding:12px 14px;border-radius:var(--radius-sm);}
  .nav-toggle{display:grid;place-items:center;}
  .header-actions .btn-ghost{padding:.5rem .85rem;font-size:.8rem;}
  .header-actions .btn-glow{padding:.55rem 1rem;font-size:.8rem;}
  .feature-grid,.cat-grid,.expert-grid,.review-grid{grid-template-columns:repeat(2,1fr);}
  .mech-wrap{grid-template-columns:1fr;}
  .news-layout{grid-template-columns:1fr;}
  .form-wrap{grid-template-columns:1fr;padding:28px;}
}
@media (max-width:767px){
  .section{padding:60px 0;}
  .hero{padding:52px 0 66px;}
  .hero-stats{gap:16px;}
  .hero-stat{min-width:104px;}
  .brand-text small{display:none;}
  .metric-grid,.slot-grid,.trust-grid,.feature-grid,.cat-grid,.expert-grid,.review-grid{grid-template-columns:1fr;}
  .news-item{grid-template-columns:1fr;}
  .news-thumb{aspect-ratio:16/9;}
  .result-kpis{grid-template-columns:1fr;}
  .compare-table th,.compare-table td{padding:12px 10px;font-size:.8rem;}
  .form-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .fab{bottom:84px;left:14px;width:52px;height:52px;}
}
@media (max-width:520px){
  .container{padding-left:16px;padding-right:16px;}
  .header-inner{gap:10px;min-height:66px;}
  .brand-text strong{font-size:.9rem;}
  .header-actions{gap:6px;}
  .header-actions .btn-ghost{padding:.45rem .7rem;font-size:.75rem;}
  .header-actions .btn-glow{padding:.5rem .8rem;font-size:.75rem;}
  .btn-lg{padding:.85rem 1.4rem;font-size:.88rem;}
  .form-wrap{padding:22px;border-radius:var(--radius);}
  .footer-grid{grid-template-columns:1fr;}
  .quiz-card{padding:20px 18px;}
}

/* roulang page: article */
:root{
  --bg:#030712;
  --bg-soft:#060B1C;
  --bg-deep:#02040F;
  --panel:rgba(255,255,255,.045);
  --panel-2:rgba(255,255,255,.075);
  --border:rgba(148,163,184,.18);
  --border-strong:rgba(56,189,248,.45);
  --blue:#2563EB;
  --blue-deep:#1D4ED8;
  --cyan:#38BDF8;
  --cyan-soft:rgba(56,189,248,.14);
  --gold:#FBBF24;
  --text:#F8FAFC;
  --muted:#94A3B8;
  --muted-2:#64748B;
  --radius-sm:12px;
  --radius:18px;
  --radius-lg:26px;
  --radius-pill:999px;
  --shadow:0 24px 60px rgba(2,6,23,.6);
  --shadow-soft:0 12px 32px rgba(2,6,23,.45);
  --glow-btn:0 0 0 1px rgba(56,189,248,.28), 0 14px 34px rgba(37,99,235,.42);
  --glow-btn-hover:0 0 26px rgba(56,189,248,.55), 0 18px 40px rgba(37,99,235,.5);
  --container:1200px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:'Be Vietnam Pro','Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background:
    radial-gradient(900px 520px at 12% -8%, rgba(37,99,235,.24), transparent 62%),
    radial-gradient(760px 460px at 92% 4%, rgba(56,189,248,.16), transparent 60%),
    linear-gradient(180deg, rgba(3,7,18,0) 0%, rgba(2,4,15,.9) 100%);
  pointer-events:none;
  z-index:0;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;transition:color .22s ease,opacity .22s ease;}
a:hover{color:var(--cyan);}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
ul,ol{padding-left:20px;}
.container{max-width:var(--container);width:100%;padding-left:20px;padding-right:20px;margin:0 auto;}
main{position:relative;z-index:1;}
.section{padding:84px 0;position:relative;}
.section--alt{
  background:linear-gradient(180deg, rgba(6,11,28,.85) 0%, rgba(3,7,18,.92) 100%);
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
}
.section--deep{background:linear-gradient(180deg, rgba(2,4,15,.92), rgba(6,11,28,.7));}
.section__head{max-width:780px;margin-bottom:44px;}
.section__eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.72rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--cyan);
  background:var(--cyan-soft);
  border:1px solid var(--border-strong);
  border-radius:var(--radius-pill);
  padding:6px 14px;margin-bottom:16px;
}
.section__title{font-size:clamp(1.55rem,3.1vw,2.3rem);line-height:1.3;margin:0 0 14px;font-weight:800;}
.section__desc{color:var(--muted);font-size:1.02rem;max-width:720px;margin:0;}
.text-accent{color:var(--cyan);}
.text-gold{color:var(--gold);}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(3,7,18,.82);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--border);
}
.header-inner{
  display:flex;align-items:center;gap:22px;
  min-height:74px;
}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:44px;height:44px;border-radius:14px;
  display:grid;place-items:center;
  font-size:1.35rem;
  background:linear-gradient(140deg,var(--blue),var(--cyan));
  box-shadow:0 10px 26px rgba(37,99,235,.45);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:1.02rem;font-weight:800;letter-spacing:-.01em;}
.brand-text small{font-size:.68rem;color:var(--muted);letter-spacing:.04em;}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-link{
  position:relative;
  font-size:.9rem;font-weight:600;color:var(--muted);
  padding:9px 14px;border-radius:var(--radius-pill);
  transition:color .22s, background .22s;
  white-space:nowrap;
}
.nav-link:hover{color:var(--text);background:var(--panel);}
.nav-link.is-active{color:var(--text);background:var(--panel-2);box-shadow:inset 0 0 0 1px var(--border-strong);}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;
  padding:.6rem 1.1rem;border-radius:var(--radius-pill);
  font-size:.86rem;font-weight:600;color:var(--cyan);
  border:1px solid var(--border-strong);
  background:transparent;transition:.24s;
}
.btn-ghost:hover{background:var(--cyan-soft);color:#fff;border-color:var(--cyan);}
.btn-glow{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  padding:.78rem 1.55rem;border-radius:var(--radius-pill);
  font-size:.9rem;font-weight:700;color:#fff;
  background:linear-gradient(120deg,var(--blue) 0%,var(--cyan) 100%);
  box-shadow:var(--glow-btn);
  transition:transform .24s ease, box-shadow .24s ease, filter .24s ease;
  border:0;
}
.btn-glow:hover{transform:translateY(-2px);box-shadow:var(--glow-btn-hover);color:#fff;filter:brightness(1.05);}
.btn-glow:active{transform:translateY(0) scale(.98);}
.btn-sm{padding:.55rem 1.05rem;font-size:.82rem;}
.btn-lg{padding:.95rem 1.9rem;font-size:.98rem;}
.btn-outline-cyan{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  padding:.78rem 1.5rem;border-radius:var(--radius-pill);
  font-size:.9rem;font-weight:600;color:var(--text);
  border:1px solid var(--border);
  background:var(--panel);transition:.24s;
}
.btn-outline-cyan:hover{border-color:var(--cyan);color:var(--cyan);background:var(--cyan-soft);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  background:var(--panel);border:1px solid var(--border);
  color:var(--text);font-size:1.05rem;
  place-items:center;
}
.nav-toggle:hover{border-color:var(--cyan);color:var(--cyan);}

/* ---------- Article hero ---------- */
.article-hero{
  position:relative;
  padding:66px 0 60px;
  overflow:hidden;
  background-image:
    linear-gradient(160deg, rgba(3,7,18,.93) 0%, rgba(3,7,18,.84) 46%, rgba(2,4,15,.97) 100%),
    url('/assets/images/3d4c02a1b3e49091.jpg');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--border);
}
.article-hero::after{
  content:"";
  position:absolute;inset:0;
  background:radial-gradient(620px 360px at 82% 12%, rgba(56,189,248,.20), transparent 68%);
  pointer-events:none;
}
.article-hero .container{position:relative;z-index:2;}
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:10px;
  font-size:.82rem;color:var(--muted);
}
.breadcrumb i{font-size:.65rem;color:var(--muted-2);}
.breadcrumb a:hover{color:var(--cyan);}
.article-hero h1{
  font-size:clamp(1.7rem,3.7vw,2.75rem);
  font-weight:800;
  line-height:1.26;
  letter-spacing:-.015em;
  margin:20px 0 22px;
  max-width:960px;
}
.article-meta{display:flex;flex-wrap:wrap;gap:10px 14px;}
.meta-chip{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.8rem;font-weight:600;color:var(--muted);
  background:var(--panel);border:1px solid var(--border);
  border-radius:var(--radius-pill);
  padding:7px 14px;
}
.meta-chip i{color:var(--cyan);font-size:.78rem;}

/* ---------- Article body ---------- */
.article-section{padding-top:70px;}
.article-shell{max-width:900px;margin:0 auto;}
.pull-quote{
  position:relative;
  margin:0 0 46px;
  padding:28px 30px 28px 62px;
  border-radius:var(--radius-lg);
  background:linear-gradient(135deg, rgba(37,99,235,.16), rgba(56,189,248,.06));
  border:1px solid var(--border-strong);
  box-shadow:var(--shadow-soft);
}
.pull-quote i{
  position:absolute;left:24px;top:28px;
  font-size:1.5rem;color:var(--cyan);opacity:.85;
}
.pull-quote p{
  margin:0;
  font-size:clamp(1.02rem,2vw,1.2rem);
  font-weight:600;
  line-height:1.62;
  color:#E2F2FF;
}
.article-body{font-size:1.04rem;line-height:1.75;color:#DCE5F0;text-align:left;}
.article-body h2{
  font-size:clamp(1.28rem,2.6vw,1.6rem);
  font-weight:800;color:var(--text);
  margin:46px 0 16px;line-height:1.35;
  padding-left:16px;border-left:3px solid var(--cyan);
}
.article-body h3{font-size:1.16rem;font-weight:700;color:var(--text);margin:32px 0 12px;}
.article-body h4{font-size:1.02rem;font-weight:700;color:var(--cyan);margin:24px 0 10px;}
.article-body p{margin:0 0 18px;}
.article-body ul,.article-body ol{margin:0 0 22px;padding-left:22px;}
.article-body li{margin-bottom:10px;}
.article-body li::marker{color:var(--cyan);}
.article-body strong{color:#fff;}
.article-body a{color:var(--cyan);text-decoration:underline;text-underline-offset:3px;}
.article-body img{
  border-radius:var(--radius);
  border:1px solid var(--border);
  margin:26px auto;
  box-shadow:var(--shadow-soft);
}
.article-body blockquote{
  margin:28px 0;padding:22px 24px;
  border-left:3px solid var(--gold);
  border-radius:0 var(--radius) var(--radius) 0;
  background:rgba(251,191,36,.07);
  color:#FDF3D6;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body table{
  width:100%;border-collapse:collapse;margin:26px 0;
  font-size:.95rem;border:1px solid var(--border);
  border-radius:var(--radius);overflow:hidden;
}
.article-body th{
  background:rgba(56,189,248,.12);
  color:#fff;font-weight:700;text-align:left;
  padding:13px 16px;border-bottom:1px solid var(--border);
}
.article-body td{padding:12px 16px;border-bottom:1px solid rgba(148,163,184,.12);color:#C9D5E4;}
.article-body tr:last-child td{border-bottom:0;}
.article-body hr{border:0;border-top:1px solid var(--border);margin:36px 0;}
.empty-state{
  text-align:left;
  padding:38px 32px;
  border-radius:var(--radius-lg);
  background:var(--panel);
  border:1px dashed var(--border-strong);
}
.empty-state h2{margin:0 0 12px;font-size:1.3rem;border:0;padding:0;}
.empty-state p{color:var(--muted);margin-bottom:22px;}

/* ---------- Stat strip ---------- */
.stat-strip{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:18px;
}
.stat-item{
  padding:26px 22px;
  border-radius:var(--radius);
  background:rgba(255,255,255,.04);
  border:1px solid var(--border);
  transition:transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.stat-item:hover{transform:translateY(-4px);border-color:var(--border-strong);box-shadow:var(--shadow-soft);}
.stat-item__num{
  font-size:clamp(1.5rem,3vw,2.05rem);
  font-weight:900;letter-spacing:-.02em;
  color:#fff;
  background:linear-gradient(120deg,#fff,var(--cyan));
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
  display:block;line-height:1.15;
}
.stat-item__label{font-size:.86rem;color:var(--muted);margin-top:8px;display:block;}

/* ---------- Post list ---------- */
.post-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:22px;
}
.post-card{
  border-radius:var(--radius-lg);
  background:linear-gradient(160deg, rgba(255,255,255,.07), rgba(255,255,255,.02));
  border:1px solid var(--border);
  padding:26px 24px;
  transition:transform .25s ease, border-color .25s ease, box-shadow .25s ease, background .25s ease;
  display:flex;
}
.post-card:hover{
  transform:translateY(-5px);
  border-color:var(--border-strong);
  box-shadow:var(--shadow-soft);
  background:linear-gradient(160deg, rgba(56,189,248,.12), rgba(255,255,255,.02));
}
.post-card__link{display:flex;flex-direction:column;gap:10px;width:100%;}
.post-card__tag{
  font-size:.68rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--cyan);
}
.post-card h3{font-size:1.04rem;font-weight:700;line-height:1.42;margin:0;color:var(--text);}
.post-card p{font-size:.9rem;color:var(--muted);margin:0;line-height:1.62;}
.post-card__more{
  margin-top:auto;padding-top:14px;
  font-size:.83rem;font-weight:700;color:var(--cyan);
  display:inline-flex;align-items:center;gap:8px;
}
.post-card__more i{transition:transform .25s ease;}
.post-card:hover .post-card__more i{transform:translateX(5px);}

/* ---------- Trust ---------- */
.trust-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.trust-item{
  display:flex;gap:16px;align-items:flex-start;
  padding:24px;
  border-radius:var(--radius);
  background:var(--panel);
  border:1px solid var(--border);
  transition:border-color .25s ease, background .25s ease;
}
.trust-item:hover{border-color:var(--border-strong);background:var(--panel-2);}
.trust-item__icon{
  flex:0 0 46px;width:46px;height:46px;border-radius:14px;
  display:grid;place-items:center;font-size:1.05rem;
  background:linear-gradient(140deg, rgba(37,99,235,.5), rgba(56,189,248,.35));
  color:#fff;
}
.trust-item h3{font-size:1rem;font-weight:700;margin:0 0 6px;}
.trust-item p{font-size:.9rem;color:var(--muted);margin:0;line-height:1.62;}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:900px;}
.faq-item{
  border-radius:var(--radius);
  background:var(--panel);
  border:1px solid var(--border);
  overflow:hidden;
  transition:border-color .25s ease;
}
.faq-item:hover{border-color:var(--border-strong);}
.faq-item summary{
  list-style:none;cursor:pointer;
  padding:20px 24px;
  font-weight:700;font-size:.99rem;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.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:.78rem;color:var(--cyan);
  transition:transform .25s ease;
}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-item p{margin:0;padding:0 24px 22px;color:var(--muted);font-size:.94rem;line-height:1.7;}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;
  border-radius:var(--radius-lg);
  overflow:hidden;
  padding:54px 48px;
  background-image:
    linear-gradient(120deg, rgba(2,4,15,.94), rgba(6,11,28,.86)),
    url('/assets/images/bf008fb994e4d81f.jpg');
  background-size:cover;background-position:center;
  border:1px solid var(--border-strong);
  box-shadow:var(--shadow);
  display:grid;
  grid-template-columns:1.35fr .65fr;
  gap:34px;
  align-items:center;
}
.cta-band h2{font-size:clamp(1.4rem,3vw,2.1rem);font-weight:800;margin:0 0 14px;line-height:1.32;}
.cta-band p{color:#C7D4E4;margin:0 0 24px;max-width:620px;line-height:1.7;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
.cta-panel{
  background:rgba(3,7,18,.7);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:24px;
  backdrop-filter:blur(10px);
}
.cta-panel ul{list-style:none;padding:0;margin:0;display:grid;gap:12px;}
.cta-panel li{display:flex;align-items:center;gap:11px;font-size:.9rem;color:#D6E2EF;}
.cta-panel li i{color:var(--cyan);font-size:.85rem;}

/* ---------- FAB ---------- */
.fab{
  position:fixed;left:16px;bottom:104px;z-index:50;
  display:inline-flex;align-items:center;gap:10px;
  min-height:56px;padding:0 18px;
  border-radius:var(--radius-pill);
  background:rgba(7,7,13,.82);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid var(--border-strong);
  box-shadow:0 0 20px rgba(6,182,212,.42);
  color:#fff;font-weight:800;font-size:.76rem;letter-spacing:.1em;
  opacity:.78;
  transition:opacity .25s ease, transform .25s ease, box-shadow .25s ease;
  animation:fabFloat 3.6s ease-in-out infinite;
}
.fab:hover{opacity:1;transform:scale(1.06);box-shadow:0 0 30px rgba(56,189,248,.72);color:#fff;}
.fab:active{transform:scale(.95) translateY(1px);}
.fab__dot{
  width:9px;height:9px;border-radius:50%;
  background:#F43F5E;box-shadow:0 0 10px #F43F5E;
  animation:fabBlink 1.4s ease-in-out infinite;
}
@keyframes fabFloat{0%,100%{transform:translateY(0);}50%{transform:translateY(-5px);}}
@keyframes fabBlink{0%,100%{opacity:1;}50%{opacity:.35;}}

/* ---------- Footer ---------- */
.site-footer{
  position:relative;z-index:1;
  margin-top:0;
  padding:66px 0 30px;
  background:linear-gradient(180deg, rgba(2,4,15,.92), rgba(3,7,18,1));
  border-top:1px solid var(--border);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:38px;
  padding-bottom:42px;
  border-bottom:1px solid var(--border);
}
.footer-brand .brand{margin-bottom:18px;}
.footer-brand p{color:var(--muted);font-size:.9rem;line-height:1.72;max-width:400px;margin:0 0 20px;}
.pay-badges{display:flex;flex-wrap:wrap;gap:9px;}
.pay-badge{
  font-size:.72rem;font-weight:600;color:#C3D2E4;
  border:1px solid var(--border);
  background:var(--panel);
  border-radius:var(--radius-pill);
  padding:5px 12px;
}
.footer-col h4{
  font-size:.76rem;font-weight:800;letter-spacing:.15em;text-transform:uppercase;
  color:var(--cyan);margin:0 0 18px;
}
.footer-col ul{list-style:none;padding:0;margin:0;display:grid;gap:11px;}
.footer-col a{color:var(--muted);font-size:.9rem;}
.footer-col a:hover{color:var(--cyan);}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;gap:20px;
  padding-top:26px;
  font-size:.82rem;color:var(--muted-2);
  flex-wrap:wrap;
}
.age-badge{
  display:inline-grid;place-items:center;
  width:38px;height:38px;border-radius:11px;
  font-size:.76rem;font-weight:800;color:var(--gold);
  border:1px solid rgba(251,191,36,.45);
  background:rgba(251,191,36,.08);
  margin-right:12px;flex-shrink:0;
}

/* ---------- Responsive ---------- */
@media (max-width:1100px){
  .main-nav{gap:2px;}
  .nav-link{font-size:.84rem;padding:8px 11px;}
  .footer-grid{grid-template-columns:1.5fr 1fr 1fr;}
  .footer-col:last-child{grid-column:span 3;}
  .post-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:1024px){
  .main-nav{
    position:fixed;top:74px;left:0;right:0;
    margin-left:0;
    flex-direction:column;align-items:stretch;gap:4px;
    background:rgba(3,7,18,.985);
    border-bottom:1px solid var(--border);
    padding:16px 20px 22px;
    max-height:calc(100vh - 74px);
    overflow-y:auto;
    transform:translateY(-14px);
    opacity:0;visibility:hidden;pointer-events:none;
    transition:opacity .25s ease, transform .25s ease, visibility .25s;
  }
  .main-nav.is-open{transform:translateY(0);opacity:1;visibility:visible;pointer-events:auto;}
  .nav-link{padding:12px 14px;font-size:.95rem;border-radius:var(--radius-sm);}
  .nav-toggle{display:grid;}
  .header-actions{margin-left:auto;}
  .section{padding:66px 0;}
  .stat-strip{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-band{grid-template-columns:1fr;padding:42px 30px;}
  .trust-list{grid-template-columns:1fr;}
}
@media (max-width:768px){
  .header-inner{gap:12px;min-height:66px;}
  .brand-mark{width:40px;height:40px;font-size:1.2rem;border-radius:12px;}
  .brand-text strong{font-size:.92rem;}
  .brand-text small{font-size:.62rem;}
  .main-nav{top:66px;max-height:calc(100vh - 66px);}
  .btn-ghost{padding:.5rem .85rem;font-size:.78rem;}
  .btn-glow.btn-sm{padding:.5rem .9rem;font-size:.78rem;}
  .article-hero{padding:48px 0 44px;}
  .article-section{padding-top:54px;}
  .pull-quote{padding:24px 22px 24px 22px;}
  .pull-quote i{position:static;display:block;margin-bottom:12px;}
  .post-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .footer-col:last-child{grid-column:span 2;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .fab{bottom:88px;left:12px;min-height:50px;padding:0 15px;font-size:.7rem;}
}
@media (max-width:520px){
  body{font-size:15.5px;}
  .container{padding-left:16px;padding-right:16px;}
  .section{padding:54px 0;}
  .header-actions .btn-ghost{display:none;}
  .stat-strip{grid-template-columns:1fr;gap:14px;}
  .article-meta{gap:8px;}
  .meta-chip{font-size:.74rem;padding:6px 11px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-col:last-child{grid-column:span 1;}
  .article-body h2{padding-left:12px;}
}

/* roulang page: category1 */
:root{
  --bg:#030712;
  --bg-soft:#060B1C;
  --bg-deep:#02040F;
  --panel:rgba(255,255,255,.045);
  --panel-2:rgba(255,255,255,.075);
  --border:rgba(148,163,184,.18);
  --border-strong:rgba(56,189,248,.45);
  --blue:#2563EB;
  --blue-deep:#1D4ED8;
  --cyan:#38BDF8;
  --cyan-soft:rgba(56,189,248,.14);
  --gold:#FBBF24;
  --text:#F8FAFC;
  --muted:#94A3B8;
  --muted-2:#64748B;
  --radius-sm:12px;
  --radius:18px;
  --radius-lg:26px;
  --radius-pill:999px;
  --shadow:0 24px 60px rgba(2,6,23,.6);
  --shadow-soft:0 12px 32px rgba(2,6,23,.45);
  --glow-btn:0 0 0 1px rgba(56,189,248,.28), 0 14px 34px rgba(37,99,235,.42);
  --glow-btn-hover:0 0 26px rgba(56,189,248,.55), 0 18px 40px rgba(37,99,235,.5);
  --container:1200px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:'Be Vietnam Pro','Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background:
    radial-gradient(900px 520px at 12% -8%, rgba(37,99,235,.24), transparent 62%),
    radial-gradient(760px 460px at 92% 4%, rgba(56,189,248,.16), transparent 60%),
    linear-gradient(180deg, rgba(3,7,18,0) 0%, rgba(2,4,15,.9) 100%);
  pointer-events:none;
  z-index:0;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;transition:color .22s ease,opacity .22s ease;}
a:hover{color:var(--cyan);}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
h1,h2,h3,h4{font-weight:800;line-height:1.25;margin:0 0 14px;letter-spacing:-.01em;}
p{margin:0 0 14px;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px;}

.container{max-width:var(--container);width:100%;padding-left:20px;padding-right:20px;margin:0 auto;}
main{position:relative;z-index:1;}

/* ---------- Sections ---------- */
.section{padding:84px 0;position:relative;}
.section--alt{
  background:linear-gradient(180deg, rgba(6,11,28,.85) 0%, rgba(3,7,18,.92) 100%);
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
}
.section--deep{background:linear-gradient(180deg, rgba(2,4,15,.92), rgba(6,11,28,.7));}
.section__head{max-width:780px;margin-bottom:44px;}
.section__head--wide{max-width:920px;}
.section__eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.72rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--cyan);
  background:var(--cyan-soft);
  border:1px solid var(--border-strong);
  border-radius:var(--radius-pill);
  padding:6px 14px;margin-bottom:16px;
}
.section__title{font-size:clamp(1.55rem,3.1vw,2.3rem);}
.section__desc{color:var(--muted);font-size:1.02rem;max-width:720px;}
.text-accent{color:var(--cyan);}
.text-gold{color:var(--gold);}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(3,7,18,.82);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--border);
}
.header-inner{display:flex;align-items:center;gap:22px;min-height:74px;position:relative;}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:44px;height:44px;border-radius:14px;
  display:grid;place-items:center;font-size:1.35rem;
  background:linear-gradient(140deg,var(--blue),var(--cyan));
  box-shadow:0 10px 26px rgba(37,99,235,.45);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:1.02rem;font-weight:800;letter-spacing:-.01em;}
.brand-text small{font-size:.68rem;color:var(--muted);letter-spacing:.04em;}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-link{
  position:relative;font-size:.9rem;font-weight:600;color:var(--muted);
  padding:9px 14px;border-radius:var(--radius-pill);
  transition:color .22s, background .22s;white-space:nowrap;
}
.nav-link:hover{color:var(--text);background:var(--panel);}
.nav-link.is-active{color:var(--text);background:var(--panel-2);box-shadow:inset 0 0 0 1px var(--border-strong);}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;
  padding:.6rem 1.1rem;border-radius:var(--radius-pill);
  font-size:.86rem;font-weight:600;color:var(--cyan);
  border:1px solid var(--border-strong);background:transparent;transition:.24s;
}
.btn-ghost:hover{background:var(--cyan-soft);color:#fff;border-color:var(--cyan);}
.btn-glow{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  padding:.78rem 1.55rem;border-radius:var(--radius-pill);
  font-size:.9rem;font-weight:700;color:#fff;
  background:linear-gradient(120deg,var(--blue) 0%,var(--cyan) 100%);
  box-shadow:var(--glow-btn);
  transition:transform .24s ease, box-shadow .24s ease, filter .24s ease;
  border:0;
}
.btn-glow:hover{transform:translateY(-2px);box-shadow:var(--glow-btn-hover);color:#fff;filter:brightness(1.05);}
.btn-glow:active{transform:translateY(0) scale(.98);}
.btn-sm{padding:.55rem 1.05rem;font-size:.82rem;}
.btn-lg{padding:.95rem 1.9rem;font-size:.98rem;}
.btn-outline-cyan{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  padding:.78rem 1.5rem;border-radius:var(--radius-pill);
  font-size:.9rem;font-weight:600;color:var(--text);
  border:1px solid var(--border);background:var(--panel);transition:.24s;
}
.btn-outline-cyan:hover{border-color:var(--cyan);color:var(--cyan);background:var(--cyan-soft);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  background:var(--panel);border:1px solid var(--border);
  color:var(--text);font-size:1.05rem;
}
.nav-toggle:hover{border-color:var(--cyan);color:var(--cyan);}

/* ---------- Hero (category) ---------- */
.cat-hero{
  position:relative;
  padding:52px 0 88px;
  overflow:hidden;
  background-image:
    linear-gradient(150deg, rgba(3,7,18,.94) 0%, rgba(3,7,18,.80) 46%, rgba(2,4,15,.97) 100%),
    url('/assets/images/3d4c02a1b3e49091.jpg');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--border);
}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(640px 380px at 82% 12%, rgba(56,189,248,.20), transparent 68%);
  pointer-events:none;
}
.cat-hero .container{position:relative;z-index:2;}
.breadcrumb-bar{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  font-size:.82rem;color:var(--muted);margin-bottom:26px;
}
.breadcrumb-bar a{color:var(--muted);}
.breadcrumb-bar a:hover{color:var(--cyan);}
.breadcrumb-bar span.sep{color:var(--muted-2);}
.breadcrumb-bar .current{color:var(--text);font-weight:600;}
.cat-hero__grid{display:grid;grid-template-columns:1.08fr .92fr;gap:44px;align-items:center;}
.cat-hero__panel{
  position:relative;
  padding:38px 58px 38px 34px;
  background:linear-gradient(115deg, rgba(37,99,235,.32) 0%, rgba(56,189,248,.12) 58%, rgba(3,7,18,0) 100%);
  border-left:3px solid var(--cyan);
  clip-path:polygon(0 0, 100% 0, 94% 100%, 0 100%);
}
.cat-hero__panel h1{
  font-size:clamp(1.72rem,3.5vw,2.7rem);
  margin-bottom:18px;
}
.cat-hero__panel .lead{
  color:#CBD5E1;font-size:1.03rem;max-width:560px;margin-bottom:26px;
}
.cat-hero__aside{position:relative;}
.cat-hero__image{
  border-radius:var(--radius-lg);
  overflow:hidden;
  border:1px solid var(--border);
  box-shadow:var(--shadow);
  position:relative;
}
.cat-hero__image::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg, rgba(3,7,18,0) 40%, rgba(3,7,18,.75) 100%);
}
.cat-hero__image img{width:100%;height:340px;object-fit:cover;}
.float-stat{
  position:absolute;right:18px;bottom:-22px;
  background:rgba(6,11,28,.92);
  border:1px solid var(--border-strong);
  border-radius:var(--radius);
  padding:14px 20px;
  box-shadow:var(--shadow-soft);
  backdrop-filter:blur(10px);
}
.float-stat strong{display:block;font-size:1.35rem;color:var(--cyan);line-height:1.1;}
.float-stat span{font-size:.72rem;color:var(--muted);letter-spacing:.05em;text-transform:uppercase;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px;}
.tag-pill{
  display:inline-flex;align-items:center;gap:7px;
  font-size:.76rem;font-weight:600;color:#CBD5E1;
  background:var(--panel);border:1px solid var(--border);
  border-radius:var(--radius-pill);padding:6px 13px;
}
.tag-pill i{color:var(--cyan);}

/* ---------- Metrics ---------- */
.metric-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.metric-card{
  background:var(--panel);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:26px 24px;
  transition:transform .28s ease, border-color .28s ease, background .28s ease;
}
.metric-card:hover{transform:translateY(-4px);border-color:var(--border-strong);background:var(--panel-2);}
.metric-card .metric-value{
  font-size:clamp(1.6rem,2.6vw,2.1rem);
  font-weight:900;color:var(--cyan);line-height:1.1;margin-bottom:8px;
}
.metric-card h3{font-size:.98rem;margin-bottom:6px;}
.metric-card p{font-size:.88rem;color:var(--muted);}

/* ---------- Tier cards ---------- */
.tier-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.tier-card{
  position:relative;
  background:linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.02));
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:26px 22px;
  overflow:hidden;
  transition:transform .28s ease, border-color .28s ease, box-shadow .28s ease;
}
.tier-card:hover{transform:translateY(-5px);border-color:var(--border-strong);box-shadow:0 18px 42px rgba(2,6,23,.55);}
.tier-card__badge{
  display:inline-block;font-size:.68rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--cyan);background:var(--cyan-soft);
  border:1px solid var(--border-strong);border-radius:var(--radius-pill);
  padding:4px 11px;margin-bottom:16px;
}
.tier-card h3{font-size:1.12rem;margin-bottom:6px;}
.tier-card .tier-value{font-size:1.5rem;font-weight:900;color:var(--gold);margin-bottom:12px;}
.tier-card p{font-size:.9rem;color:var(--muted);}
.tier-card--grand{
  border-color:rgba(251,191,36,.42);
  background:linear-gradient(180deg, rgba(251,191,36,.10), rgba(255,255,255,.02));
}
.tier-card--grand .tier-card__badge{color:var(--gold);border-color:rgba(251,191,36,.5);background:rgba(251,191,36,.12);}

/* ---------- Split ---------- */
.split{display:grid;grid-template-columns:.95fr 1.05fr;gap:48px;align-items:center;}
.split__media{position:relative;}
.split__media img{
  width:100%;border-radius:var(--radius-lg);
  border:1px solid var(--border);box-shadow:var(--shadow);height:auto;
}
.split__caption{
  position:absolute;left:16px;bottom:16px;
  background:rgba(3,7,18,.86);
  border:1px solid var(--border-strong);
  border-radius:var(--radius-sm);
  padding:10px 16px;font-size:.8rem;color:#CBD5E1;
  backdrop-filter:blur(8px);
}
.rule-list{display:grid;gap:14px;margin-top:22px;}
.rule-list li{
  display:flex;gap:14px;align-items:flex-start;
  padding:16px 18px;
  background:var(--panel);
  border:1px solid var(--border);
  border-radius:var(--radius-sm);
  font-size:.93rem;color:#CBD5E1;
  transition:border-color .24s, background .24s;
}
.rule-list li:hover{border-color:var(--border-strong);background:var(--panel-2);}
.rule-list i{color:var(--cyan);margin-top:4px;flex-shrink:0;}

/* ---------- Compare table ---------- */
.table-wrap{
  overflow-x:auto;border-radius:var(--radius);
  border:1px solid var(--border);
  background:linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.015));
  -webkit-overflow-scrolling:touch;
}
.compare-table{width:100%;min-width:640px;border-collapse:collapse;}
.compare-table th,.compare-table td{
  padding:16px 22px;text-align:left;font-size:.93rem;
  border-bottom:1px solid var(--border);
}
.compare-table thead th{
  font-size:.74rem;letter-spacing:.1em;text-transform:uppercase;
  color:var(--cyan);background:rgba(37,99,235,.16);font-weight:700;
}
.compare-table tbody tr:last-child td{border-bottom:0;}
.compare-table tbody tr:hover{background:rgba(56,189,248,.05);}
.compare-table td.hl{color:var(--cyan);font-weight:600;}

/* ---------- Channel / category tiles ---------- */
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.channel-card{
  display:block;
  background:var(--panel);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:26px 24px;
  transition:transform .28s ease, border-color .28s ease, background .28s ease;
}
.channel-card:hover{transform:translateY(-5px);border-color:var(--border-strong);background:var(--panel-2);color:var(--text);}
.channel-card i{font-size:1.4rem;color:var(--cyan);margin-bottom:14px;display:block;}
.channel-card h3{font-size:1.02rem;margin-bottom:8px;}
.channel-card p{font-size:.88rem;color:var(--muted);}

/* ---------- Timeline ---------- */
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;position:relative;}
.timeline::before{
  content:"";position:absolute;top:22px;left:4%;right:4%;height:1px;
  background:linear-gradient(90deg, transparent, var(--border-strong), transparent);
}
.timeline-item{position:relative;padding-top:60px;}
.timeline-item::before{
  content:attr(data-step);
  position:absolute;top:0;left:0;
  width:44px;height:44px;border-radius:14px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,var(--blue),var(--cyan));
  font-weight:800;font-size:.95rem;color:#fff;
  box-shadow:0 10px 24px rgba(37,99,235,.42);
}
.timeline-item h3{font-size:1rem;margin-bottom:8px;}
.timeline-item p{font-size:.89rem;color:var(--muted);}

/* ---------- News list ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.news-card{
  display:flex;flex-direction:column;gap:10px;
  background:var(--panel);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:24px 22px;
  transition:transform .28s ease, border-color .28s ease, background .28s ease;
}
.news-card:hover{transform:translateY(-4px);border-color:var(--border-strong);background:var(--panel-2);color:var(--text);}
.news-tag{
  align-self:flex-start;
  font-size:.68rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
  color:var(--cyan);background:var(--cyan-soft);
  border:1px solid var(--border-strong);
  border-radius:var(--radius-pill);padding:4px 11px;
}
.news-title{font-size:1rem;margin:0;}
.news-excerpt{font-size:.88rem;color:var(--muted);margin:0;}
.news-meta{font-size:.78rem;color:var(--muted-2);display:inline-flex;align-items:center;gap:7px;margin-top:auto;}
.empty-note{
  padding:26px;text-align:center;color:var(--muted);
  border:1px dashed var(--border);border-radius:var(--radius);
  background:var(--panel);font-size:.92rem;
}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:920px;}
.faq-item{
  background:var(--panel);
  border:1px solid var(--border);
  border-radius:var(--radius);
  overflow:hidden;
  transition:border-color .24s ease, background .24s ease;
}
.faq-item:hover{border-color:var(--border-strong);}
.faq-item[open]{background:var(--panel-2);border-color:var(--border-strong);}
.faq-item summary{
  list-style:none;cursor:pointer;
  padding:20px 24px;
  font-weight:700;font-size:.99rem;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
}
.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);transition:transform .25s ease;flex-shrink:0;font-size:.85rem;
}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-item p{padding:0 24px 22px;color:var(--muted);font-size:.92rem;}

/* ---------- CTA ---------- */
.cta-panel{
  display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;
  background:linear-gradient(125deg, rgba(37,99,235,.20), rgba(56,189,248,.06) 62%, rgba(255,255,255,.02));
  border:1px solid var(--border-strong);
  border-radius:var(--radius-lg);
  padding:44px 44px;
  box-shadow:var(--shadow);
}
.cta-panel h2{font-size:clamp(1.4rem,2.6vw,1.95rem);}
.cta-panel p{color:#CBD5E1;font-size:.96rem;}
.signup-form{display:flex;gap:12px;flex-wrap:wrap;}
.signup-form input{
  flex:1 1 220px;min-width:0;
  background:rgba(3,7,18,.7);
  border:1px solid var(--border);
  border-radius:var(--radius-pill);
  padding:.82rem 1.2rem;
  color:var(--text);font-size:.92rem;font-family:inherit;
  transition:border-color .24s, box-shadow .24s;
}
.signup-form input::placeholder{color:var(--muted-2);}
.signup-form input:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(56,189,248,.16);}
.form-note{font-size:.78rem;color:var(--muted-2);margin-top:14px;}
.assure-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;}
.assure-item{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.8rem;color:#CBD5E1;
  background:var(--panel);border:1px solid var(--border);
  border-radius:var(--radius-pill);padding:7px 14px;
}
.assure-item i{color:var(--cyan);}

/* ---------- Footer ---------- */
.site-footer{
  position:relative;z-index:1;
  background:linear-gradient(180deg, rgba(2,4,15,.92), rgba(3,7,18,1));
  border-top:1px solid var(--border);
  padding:64px 0 28px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;}
.footer-brand p{color:var(--muted);font-size:.9rem;margin-top:18px;max-width:400px;}
.footer-col h4{font-size:.82rem;letter-spacing:.14em;text-transform:uppercase;color:var(--cyan);margin-bottom:18px;}
.footer-col ul{display:grid;gap:11px;}
.footer-col a{font-size:.9rem;color:var(--muted);}
.footer-col a:hover{color:var(--cyan);}
.pay-badges{display:flex;flex-wrap:wrap;gap:9px;margin-top:20px;}
.pay-badge{
  font-size:.72rem;font-weight:600;color:#CBD5E1;
  background:var(--panel);border:1px solid var(--border);
  border-radius:var(--radius-pill);padding:5px 12px;
}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;gap:18px;flex-wrap:wrap;
  margin-top:48px;padding-top:24px;
  border-top:1px solid var(--border);
  font-size:.8rem;color:var(--muted-2);
}
.footer-bottom .age-badge{
  display:inline-grid;place-items:center;
  width:36px;height:36px;border-radius:50%;
  border:1px solid var(--border-strong);color:var(--cyan);
  font-size:.76rem;font-weight:800;margin-right:12px;
}

/* ---------- FAB ---------- */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  display:inline-flex;align-items:center;gap:.6rem;
  padding:.8rem 1.15rem;min-height:52px;
  border-radius:var(--radius-pill);
  color:#fff;font-size:.84rem;font-weight:700;
  background:
    linear-gradient(rgba(7,7,13,.86), rgba(7,7,13,.86)) padding-box,
    linear-gradient(120deg, var(--cyan), var(--blue)) border-box;
  border:1px solid transparent;
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:0 0 20px rgba(56,189,248,.45);
  opacity:.86;
  transition:opacity .25s ease, transform .25s ease, box-shadow .25s ease;
}
.fab:hover{opacity:1;transform:translateY(-3px);box-shadow:0 0 34px rgba(56,189,248,.7);color:#fff;}
.fab:active{transform:translateY(0) scale(.96);}
.fab .fab-dot{
  width:9px;height:9px;border-radius:50%;
  background:var(--cyan);
  box-shadow:0 0 0 0 rgba(56,189,248,.65);
  animation:fabPulse 1.9s infinite;
}
@keyframes fabPulse{
  0%{box-shadow:0 0 0 0 rgba(56,189,248,.6);}
  70%{box-shadow:0 0 0 12px rgba(56,189,248,0);}
  100%{box-shadow:0 0 0 0 rgba(56,189,248,0);}
}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .cat-hero__grid{grid-template-columns:1fr;gap:38px;}
  .cat-hero__panel{padding:32px 40px 32px 28px;clip-path:polygon(0 0, 100% 0, 97% 100%, 0 100%);}
  .metric-grid{grid-template-columns:repeat(2,1fr);}
  .tier-grid{grid-template-columns:repeat(2,1fr);}
  .split{grid-template-columns:1fr;gap:34px;}
  .timeline{grid-template-columns:repeat(2,1fr);gap:26px;}
  .timeline::before{display:none;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .cta-panel{grid-template-columns:1fr;padding:36px 30px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .main-nav{
    position:absolute;top:calc(100% + 12px);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;
    background:rgba(6,11,28,.98);
    border:1px solid var(--border);
    border-radius:var(--radius);
    padding:14px;
    box-shadow:var(--shadow);
    display:none;
  }
  .main-nav.is-open{display:flex;}
  .nav-toggle{display:inline-grid;place-items:center;margin-left:auto;}
  .header-actions{margin-left:0;}
  .header-inner{flex-wrap:nowrap;}
}
@media (max-width:768px){
  .section{padding:64px 0;}
  .cat-hero{padding:36px 0 70px;}
  .cat-hero__panel{padding:26px 26px 26px 22px;clip-path:none;border-radius:var(--radius) 0 var(--radius) 0;}
  .cat-hero__image img{height:250px;}
  .float-stat{right:12px;bottom:-18px;padding:12px 16px;}
  .channel-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .brand-text small{display:none;}
}
@media (max-width:520px){
  .container{padding-left:16px;padding-right:16px;}
  .metric-grid{grid-template-columns:1fr;}
  .tier-grid{grid-template-columns:1fr;}
  .timeline{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;}
  .btn-ghost{display:none;}
  .brand-mark{width:38px;height:38px;border-radius:12px;font-size:1.15rem;}
  .brand-text strong{font-size:.9rem;}
  .fab{left:12px;bottom:84px;padding:.7rem 1rem;font-size:.78rem;}
  .cta-panel{padding:28px 20px;}
  .signup-form input{flex:1 1 100%;}
  .signup-form .btn-glow{width:100%;}
}

/* roulang page: category2 */
:root{
  --bg:#030712;
  --bg-soft:#060B1C;
  --bg-deep:#02040F;
  --panel:rgba(255,255,255,.045);
  --panel-2:rgba(255,255,255,.075);
  --border:rgba(148,163,184,.18);
  --border-strong:rgba(56,189,248,.45);
  --blue:#2563EB;
  --blue-deep:#1D4ED8;
  --cyan:#38BDF8;
  --cyan-soft:rgba(56,189,248,.14);
  --gold:#FBBF24;
  --text:#F8FAFC;
  --muted:#94A3B8;
  --muted-2:#64748B;
  --radius-sm:12px;
  --radius:18px;
  --radius-lg:26px;
  --radius-pill:999px;
  --shadow:0 24px 60px rgba(2,6,23,.6);
  --shadow-soft:0 12px 32px rgba(2,6,23,.45);
  --glow-btn:0 0 0 1px rgba(56,189,248,.28), 0 14px 34px rgba(37,99,235,.42);
  --glow-btn-hover:0 0 26px rgba(56,189,248,.55), 0 18px 40px rgba(37,99,235,.5);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:'Be Vietnam Pro','Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background:
    radial-gradient(900px 520px at 12% -8%, rgba(37,99,235,.24), transparent 62%),
    radial-gradient(760px 460px at 92% 4%, rgba(56,189,248,.16), transparent 60%),
    linear-gradient(180deg, rgba(3,7,18,0) 0%, rgba(2,4,15,.9) 100%);
  pointer-events:none;
  z-index:0;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;transition:color .22s ease,opacity .22s ease;}
a:hover{color:var(--cyan);}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
h1,h2,h3,h4{margin:0 0 .65rem;font-weight:800;line-height:1.25;letter-spacing:-.015em;}
h1{font-size:clamp(1.75rem,4vw,2.85rem);line-height:1.18;}
h2{font-size:clamp(1.5rem,3vw,2.2rem);}
h3{font-size:clamp(1.1rem,2vw,1.32rem);}
p{margin:0 0 1rem;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:8px;}
.container{max-width:var(--container);width:100%;padding-left:20px;padding-right:20px;margin:0 auto;}
main{position:relative;z-index:1;}
.section{padding:84px 0;position:relative;}
.section--alt{
  background:linear-gradient(180deg, rgba(6,11,28,.85) 0%, rgba(3,7,18,.92) 100%);
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
}
.section--deep{background:linear-gradient(180deg, rgba(2,4,15,.92), rgba(6,11,28,.7));}
.section__head{max-width:800px;margin-bottom:44px;}
.section__head--wide{max-width:900px;}
.section__eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.72rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--cyan);
  background:var(--cyan-soft);
  border:1px solid var(--border-strong);
  border-radius:var(--radius-pill);
  padding:6px 14px;margin-bottom:16px;
}
.section__title{font-size:clamp(1.5rem,3vw,2.2rem);}
.section__desc{color:var(--muted);font-size:1.02rem;max-width:740px;margin:0;}
.text-accent{color:var(--cyan);}
.text-gold{color:var(--gold);}
/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(3,7,18,.82);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--border);
}
.header-inner{
  display:flex;align-items:center;gap:22px;
  min-height:74px;
}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:44px;height:44px;border-radius:14px;
  display:grid;place-items:center;
  font-size:1.35rem;flex-shrink:0;
  background:linear-gradient(140deg,var(--blue),var(--cyan));
  box-shadow:0 10px 26px rgba(37,99,235,.45);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:1.02rem;font-weight:800;letter-spacing:-.01em;}
.brand-text small{font-size:.68rem;color:var(--muted);letter-spacing:.04em;}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-link{
  position:relative;
  font-size:.9rem;font-weight:600;color:var(--muted);
  padding:9px 14px;border-radius:var(--radius-pill);
  transition:color .22s, background .22s;
  white-space:nowrap;
}
.nav-link:hover{color:var(--text);background:var(--panel);}
.nav-link.is-active{color:var(--text);background:var(--panel-2);box-shadow:inset 0 0 0 1px var(--border-strong);}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;
  padding:.6rem 1.1rem;border-radius:var(--radius-pill);
  font-size:.86rem;font-weight:600;color:var(--cyan);
  border:1px solid var(--border-strong);
  background:transparent;transition:.24s;
}
.btn-ghost:hover{background:var(--cyan-soft);color:#fff;border-color:var(--cyan);}
.btn-glow{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  padding:.78rem 1.55rem;border-radius:var(--radius-pill);
  font-size:.9rem;font-weight:700;color:#fff;
  background:linear-gradient(120deg,var(--blue) 0%,var(--cyan) 100%);
  box-shadow:var(--glow-btn);
  transition:transform .24s ease, box-shadow .24s ease, filter .24s ease;
  border:0;
}
.btn-glow:hover{transform:translateY(-2px);box-shadow:var(--glow-btn-hover);color:#fff;filter:brightness(1.05);}
.btn-glow:active{transform:translateY(0) scale(.98);}
.btn-sm{padding:.55rem 1.05rem;font-size:.82rem;}
.btn-lg{padding:.95rem 1.9rem;font-size:.98rem;}
.btn-outline-cyan{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  padding:.78rem 1.5rem;border-radius:var(--radius-pill);
  font-size:.9rem;font-weight:600;color:var(--text);
  border:1px solid var(--border);
  background:var(--panel);transition:.24s;
}
.btn-outline-cyan:hover{border-color:var(--cyan);color:var(--cyan);background:var(--cyan-soft);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  background:var(--panel);border:1px solid var(--border);
  color:var(--text);font-size:1.05rem;
  place-items:center;
}
.nav-toggle:hover{border-color:var(--cyan);color:var(--cyan);}
/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding:70px 0 92px;
  overflow:hidden;
  background-image:
    linear-gradient(160deg, rgba(3,7,18,.90) 0%, rgba(3,7,18,.80) 42%, rgba(3,7,18,.96) 100%),
    url('/assets/images/a1a9e6bea4618b4e.jpg');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--border);
}
.hero::after{
  content:"";
  position:absolute;inset:0;
  background:radial-gradient(620px 360px at 78% 18%, rgba(56,189,248,.20), transparent 68%);
  pointer-events:none;
}
.hero .container{position:relative;z-index:2;}
.hero-badge{
  display:inline-flex;align-items:center;gap:9px;
  padding:7px 16px;border-radius:var(--radius-pill);
  font-size:.78rem;font-weight:700;letter-spacing:.02em;
  color:#fff;
  background:linear-gradient(120deg, rgba(37,99,235,.35), rgba(56,189,248,.25));
  border:1px solid var(--border-strong);
  box-shadow:0 0 22px rgba(56,189,248,.22);
  margin-bottom:18px;
}
.hero-badge i{color:var(--gold);}
.hero-sub{color:var(--muted);font-size:1.04rem;max-width:640px;margin:0 auto 26px;}
.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1.75fr) minmax(0,1fr);
  gap:26px;
  align-items:start;
}
.hero-stage{text-align:center;}
.hero-stage h1{margin-bottom:.75rem;}
.vp-col{display:flex;flex-direction:column;gap:16px;}
.vp-col--left{margin-top:56px;}
.vp-col--right{margin-top:56px;}
.vp-item{
  display:flex;gap:14px;align-items:flex-start;
  padding:18px;
  border-radius:var(--radius);
  background:var(--panel);
  border:1px solid var(--border);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  transition:transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.vp-item:hover{transform:translateY(-4px);border-color:var(--border-strong);box-shadow:var(--shadow-soft);}
.vp-item strong{display:block;font-size:1.02rem;color:var(--text);}
.vp-item span{display:block;font-size:.84rem;color:var(--muted);line-height:1.5;}
.vp-icon{
  width:40px;height:40px;flex-shrink:0;border-radius:12px;
  display:grid;place-items:center;
  color:var(--cyan);
  background:var(--cyan-soft);
  border:1px solid var(--border-strong);
}
.stage-frame{
  position:relative;
  margin:0 auto 26px;
  max-width:620px;
  border-radius:var(--radius-lg);
  padding:10px;
  background:linear-gradient(150deg, rgba(56,189,248,.34), rgba(37,99,235,.14) 55%, rgba(56,189,248,.30));
  box-shadow:0 30px 70px rgba(2,6,23,.7), 0 0 44px rgba(56,189,248,.22);
}
.stage-frame img{
  width:100%;
  border-radius:var(--radius);
  border:1px solid rgba(148,163,184,.22);
}
.stage-chip{
  position:absolute;
  display:inline-flex;align-items:center;gap:7px;
  padding:8px 14px;border-radius:var(--radius-pill);
  font-size:.78rem;font-weight:700;color:#fff;
  background:rgba(3,7,18,.82);
  border:1px solid var(--border-strong);
  box-shadow:0 12px 30px rgba(2,6,23,.6);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
}
.stage-chip--tl{top:-14px;left:-10px;color:var(--gold);}
.stage-chip--br{bottom:-14px;right:-10px;color:var(--cyan);}
.hero-dl{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;}
.dl-note{margin-top:14px;font-size:.8rem;color:var(--muted-2);}
/* ---------- Metrics ---------- */
.metric-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:18px;
}
.metric-card{
  position:relative;
  padding:24px 22px;
  border-radius:var(--radius);
  background:linear-gradient(160deg, rgba(255,255,255,.07), rgba(255,255,255,.02));
  border:1px solid var(--border);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  transition:transform .26s ease, border-color .26s ease, box-shadow .26s ease;
}
.metric-card:hover{transform:translateY(-6px);border-color:var(--border-strong);box-shadow:0 0 30px rgba(56,189,248,.18), var(--shadow-soft);}
.metric-card--grand{border-color:rgba(251,191,36,.45);background:linear-gradient(160deg, rgba(251,191,36,.12), rgba(255,255,255,.02));}
.metric-label{
  display:flex;align-items:center;gap:8px;
  font-size:.74rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--muted);margin-bottom:12px;
}
.metric-value{
  font-size:clamp(1.25rem,2.4vw,1.75rem);
  font-weight:900;letter-spacing:-.02em;color:var(--text);
  margin-bottom:12px;word-break:break-word;
}
.metric-card--grand .metric-value{color:var(--gold);}
.metric-bar{
  height:6px;border-radius:99px;background:rgba(148,163,184,.16);overflow:hidden;margin-bottom:12px;
}
.metric-bar i{
  display:block;height:100%;border-radius:99px;
  background:linear-gradient(90deg,var(--blue),var(--cyan));
}
.metric-card--grand .metric-bar i{background:linear-gradient(90deg,#F59E0B,var(--gold));}
.metric-meta{font-size:.82rem;color:var(--muted);line-height:1.5;}
.ticker-strip{
  margin-top:24px;
  display:flex;flex-wrap:wrap;gap:12px 34px;
  padding:16px 22px;
  border-radius:var(--radius);
  background:var(--panel);
  border:1px solid var(--border);
  font-size:.86rem;color:var(--muted);
}
.ticker-strip b{color:var(--text);font-weight:700;}
.live-dot{
  display:inline-block;width:9px;height:9px;border-radius:50%;
  background:#22C55E;margin-right:8px;
  box-shadow:0 0 0 0 rgba(34,197,94,.7);
  animation:pulseDot 1.8s infinite;
}
@keyframes pulseDot{
  0%{box-shadow:0 0 0 0 rgba(34,197,94,.6);}
  70%{box-shadow:0 0 0 12px rgba(34,197,94,0);}
  100%{box-shadow:0 0 0 0 rgba(34,197,94,0);}
}
/* ---------- Tier cards ---------- */
.tier-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:20px;
}
.tier-card{
  display:flex;flex-direction:column;
  border-radius:var(--radius);
  background:var(--panel);
  border:1px solid var(--border);
  overflow:hidden;
  transition:transform .28s ease, border-color .28s ease, box-shadow .28s ease;
}
.tier-card:hover{transform:translateY(-6px);border-color:var(--border-strong);box-shadow:0 0 30px rgba(56,189,248,.16), var(--shadow-soft);}
.tier-media{position:relative;aspect-ratio:16/10;overflow:hidden;}
.tier-media img{width:100%;height:100%;object-fit:cover;}
.tier-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg, rgba(3,7,18,0) 30%, rgba(3,7,18,.92) 100%);
}
.tier-tag{
  position:absolute;top:12px;left:12px;z-index:2;
  padding:5px 12px;border-radius:var(--radius-pill);
  font-size:.68rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;
  background:rgba(220,38,38,.9);color:#fff;
}
.tier-tag--gold{background:linear-gradient(120deg,#F59E0B,var(--gold));color:#1F1300;}
.tier-tag--cyan{background:linear-gradient(120deg,var(--blue),var(--cyan));color:#fff;}
.tier-body{padding:20px;display:flex;flex-direction:column;gap:14px;flex:1;}
.tier-body h3{margin:0;font-size:1.12rem;}
.tier-amount{font-size:1.05rem;font-weight:800;color:var(--cyan);}
.tier-card--grand .tier-amount{color:var(--gold);}
.spec-list{display:flex;flex-direction:column;gap:9px;margin-top:auto;}
.spec-list li{
  display:flex;justify-content:space-between;gap:12px;
  font-size:.84rem;color:var(--muted);
  padding-bottom:9px;border-bottom:1px dashed rgba(148,163,184,.16);
}
.spec-list li:last-child{border-bottom:0;padding-bottom:0;}
.spec-list b{color:var(--text);font-weight:700;text-align:right;}
/* ---------- Compare table ---------- */
.compare-wrap{
  border-radius:var(--radius);
  border:1px solid var(--border);
  background:var(--panel);
  overflow-x:auto;
}
.compare-table{width:100%;min-width:760px;border-collapse:collapse;font-size:.9rem;}
.compare-table thead th{
  text-align:left;
  padding:16px 20px;
  font-size:.74rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;
  color:var(--cyan);
  background:rgba(56,189,248,.08);
  border-bottom:1px solid var(--border);
  white-space:nowrap;
}
.compare-table tbody td{
  padding:16px 20px;
  color:var(--muted);
  border-bottom:1px solid rgba(148,163,184,.1);
  vertical-align:top;
}
.compare-table tbody tr:last-child td{border-bottom:0;}
.compare-table tbody tr:hover td{background:rgba(56,189,248,.05);color:var(--text);}
.compare-table b{color:var(--text);}
.chip{
  display:inline-block;padding:3px 10px;border-radius:var(--radius-pill);
  font-size:.72rem;font-weight:700;
  background:var(--cyan-soft);border:1px solid var(--border-strong);color:var(--cyan);
}
/* ---------- Timeline ---------- */
.timeline{position:relative;display:flex;flex-direction:column;gap:22px;padding-left:26px;}
.timeline::before{
  content:"";position:absolute;left:6px;top:6px;bottom:6px;width:2px;
  background:linear-gradient(180deg,var(--cyan),rgba(37,99,235,.15));
}
.tl-item{position:relative;padding:20px 22px;border-radius:var(--radius);background:var(--panel);border:1px solid var(--border);}
.tl-item::before{
  content:"";position:absolute;left:-26px;top:26px;width:14px;height:14px;border-radius:50%;
  background:var(--bg);border:2px solid var(--cyan);
  box-shadow:0 0 14px rgba(56,189,248,.55);
}
.tl-head{display:flex;flex-wrap:wrap;align-items:baseline;gap:12px;margin-bottom:8px;}
.tl-head strong{font-size:1.16rem;color:var(--gold);font-weight:900;}
.tl-date{font-size:.76rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted-2);font-weight:700;}
.tl-item p{color:var(--muted);font-size:.92rem;margin:0;}
/* ---------- Scenarios ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.scene-card{
  padding:26px 24px;border-radius:var(--radius);
  background:linear-gradient(160deg, rgba(37,99,235,.14), rgba(255,255,255,.02));
  border:1px solid var(--border);
  transition:transform .26s ease,border-color .26s ease;
}
.scene-card:hover{transform:translateY(-5px);border-color:var(--border-strong);}
.scene-card h3{font-size:1.08rem;}
.scene-card p{color:var(--muted);font-size:.9rem;}
.scene-meta{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:14px;
  font-size:.74rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--cyan);
}
/* ---------- Assurance band ---------- */
.assure-band{
  background-image:
    linear-gradient(150deg, rgba(3,7,18,.95) 0%, rgba(3,7,18,.86) 55%, rgba(2,4,15,.96) 100%),
    url('/assets/images/af7a570df9cabbf7.jpg');
  background-size:cover;
  background-position:center;
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
}
.assure-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.assure-item{
  padding:22px;
  border-radius:var(--radius);
  background:rgba(255,255,255,.05);
  border:1px solid var(--border);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
}
.assure-icon{
  width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
  margin-bottom:14px;color:var(--cyan);background:var(--cyan-soft);border:1px solid var(--border-strong);
}
.assure-item h3{font-size:1rem;}
.assure-item p{color:var(--muted);font-size:.86rem;margin:0;}
/* ---------- Quick facts ---------- */
.facts-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}
.fact-item{
  display:flex;gap:12px;align-items:flex-start;
  padding:18px 20px;border-radius:var(--radius-sm);
  border-left:3px solid var(--cyan);
  background:var(--panel);
}
.fact-item i{color:var(--cyan);margin-top:4px;}
.fact-item span{font-size:.88rem;color:var(--muted);}
.fact-item b{display:block;color:var(--text);font-size:.98rem;}
/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:900px;}
.faq-item{
  border-radius:var(--radius);
  background:var(--panel);
  border:1px solid var(--border);
  overflow:hidden;
  transition:border-color .25s ease, background .25s ease;
}
.faq-item[open]{border-color:var(--border-strong);background:rgba(56,189,248,.06);}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;justify-content:space-between;align-items:center;gap:16px;
  padding:18px 22px;
  font-size:1rem;font-weight:700;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";font-size:1.4rem;font-weight:400;color:var(--cyan);flex-shrink:0;
  transition:transform .25s ease;
}
.faq-item[open] summary::after{content:"–";}
.faq-item .faq-body{padding:0 22px 20px;color:var(--muted);font-size:.92rem;}
/* ---------- CTA + form ---------- */
.cta-panel{
  position:relative;
  border-radius:var(--radius-lg);
  border:1px solid var(--border-strong);
  background:
    linear-gradient(150deg, rgba(37,99,235,.22), rgba(3,7,18,.86) 60%),
    url('/assets/images/6b87096770156ea7.jpg');
  background-size:cover;background-position:center;
  padding:44px;
  overflow:hidden;
  box-shadow:0 0 50px rgba(37,99,235,.22);
}
.cta-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:38px;align-items:start;}
.cta-panel h2{font-size:clamp(1.4rem,2.6vw,2rem);}
.cta-panel p{color:var(--muted);}
.cta-list{display:flex;flex-direction:column;gap:12px;margin-top:22px;}
.cta-list li{display:flex;gap:12px;align-items:flex-start;font-size:.92rem;color:var(--muted);}
.cta-list i{color:var(--cyan);margin-top:5px;}
.signup-form{
  display:grid;gap:14px;
  padding:26px;border-radius:var(--radius);
  background:rgba(2,4,15,.72);
  border:1px solid var(--border);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
}
.form-field{display:flex;flex-direction:column;gap:7px;}
.form-field label{font-size:.78rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);}
.form-field input,.form-field select{
  width:100%;
  padding:12px 14px;
  border-radius:var(--radius-sm);
  background:rgba(255,255,255,.05);
  border:1px solid var(--border);
  color:var(--text);
  font-family:inherit;font-size:.92rem;
  transition:border-color .22s, box-shadow .22s, background .22s;
}
.form-field select option{background:#060B1C;color:var(--text);}
.form-field input::placeholder{color:var(--muted-2);}
.form-field input:focus,.form-field select:focus{
  outline:none;border-color:var(--cyan);background:rgba(56,189,248,.08);
  box-shadow:0 0 0 3px rgba(56,189,248,.18);
}
.form-note{font-size:.76rem;color:var(--muted-2);}
.form-success{
  display:none;
  padding:12px 16px;border-radius:var(--radius-sm);
  background:rgba(34,197,94,.12);border:1px solid rgba(34,197,94,.4);
  color:#BBF7D0;font-size:.86rem;
}
.form-success.is-visible{display:block;}
/* ---------- FAB ---------- */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  display:inline-flex;align-items:center;gap:10px;
  padding:12px 18px 12px 14px;
  border-radius:var(--radius-pill);
  border:1px solid transparent;
  background-image:
    linear-gradient(rgba(7,10,22,.88),rgba(7,10,22,.88)),
    linear-gradient(120deg,var(--cyan),var(--blue));
  background-origin:border-box;
  background-clip:padding-box,border-box;
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:0 0 22px rgba(6,182,212,.45);
  opacity:.78;
  transition:opacity .25s ease, transform .25s ease, box-shadow .25s ease;
  animation:fabPulse 3.4s ease-in-out infinite;
}
@keyframes fabPulse{
  0%,100%{box-shadow:0 0 18px rgba(6,182,212,.38);}
  50%{box-shadow:0 0 30px rgba(37,99,235,.62);}
}
.fab:hover{opacity:1;transform:translateY(-3px);color:#fff;box-shadow:0 0 36px rgba(56,189,248,.7);}
.fab:active{transform:translateY(0) scale(.96);}
.fab-icon{
  width:34px;height:34px;border-radius:50%;display:grid;place-items:center;
  background:linear-gradient(130deg,rgba(37,99,235,.6),rgba(56,189,248,.5));
  color:#fff;font-size:.95rem;flex-shrink:0;
}
.fab-text{font-size:.76rem;font-weight:800;letter-spacing:.1em;color:#E2E8F0;white-space:nowrap;}
.fab-dot{
  position:absolute;top:6px;right:8px;width:9px;height:9px;border-radius:50%;
  background:#F43F5E;box-shadow:0 0 0 0 rgba(244,63,94,.7);
  animation:pulseDot 1.6s infinite;
}
/* ---------- Footer ---------- */
.site-footer{
  position:relative;z-index:1;
  padding:66px 0 30px;
  background:linear-gradient(180deg, rgba(2,4,15,.92), rgba(3,7,18,1));
  border-top:1px solid var(--border);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:36px;
  padding-bottom:38px;
  border-bottom:1px solid var(--border);
}
.footer-brand p{color:var(--muted);font-size:.88rem;margin-top:16px;max-width:420px;}
.pay-badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.pay-badge{
  padding:5px 12px;border-radius:var(--radius-pill);
  font-size:.72rem;font-weight:700;color:var(--muted);
  background:var(--panel);border:1px solid var(--border);
}
.footer-col h4{font-size:.82rem;letter-spacing:.14em;text-transform:uppercase;color:var(--cyan);margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:.88rem;color:var(--muted);}
.footer-col a:hover{color:var(--cyan);}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;
  padding-top:24px;font-size:.78rem;color:var(--muted-2);
}
.footer-bottom > div{display:flex;flex-wrap:wrap;align-items:center;gap:10px;}
.age-badge{
  display:inline-grid;place-items:center;
  width:34px;height:34px;border-radius:10px;
  font-size:.72rem;font-weight:800;color:#fff;
  background:linear-gradient(130deg,#DC2626,#F59E0B);
}
/* ---------- Responsive ---------- */
@media (max-width:1100px){
  .metric-grid,.tier-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .assure-grid,.facts-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .hero-grid{grid-template-columns:minmax(0,1fr) minmax(0,1.5fr);}
  .vp-col--right{display:none;}
  .vp-col--left{margin-top:40px;}
}
@media (max-width:992px){
  .main-nav{
    position:fixed;top:74px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;
    margin-left:0;
    padding:14px 20px 22px;
    background:rgba(3,7,18,.98);
    backdrop-filter:blur(18px);
    -webkit-backdrop-filter:blur(18px);
    border-bottom:1px solid var(--border);
    transform:translateY(-14px);opacity:0;visibility:hidden;pointer-events:none;
    transition:.26s ease;
  }
  .main-nav.is-open{transform:translateY(0);opacity:1;visibility:visible;pointer-events:auto;}
  .nav-toggle{display:grid;}
  .hero-grid{grid-template-columns:1fr;}
  .hero-stage{order:-1;}
  .vp-col--left{margin-top:0;flex-direction:row;flex-wrap:wrap;}
  .vp-col--left .vp-item{flex:1 1 260px;}
  .cta-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:768px){
  .section{padding:60px 0;}
  .hero{padding:44px 0 68px;}
  .hero-sub{font-size:.96rem;}
  .scene-grid{grid-template-columns:1fr;}
  .compare-table{font-size:.84rem;}
  .cta-panel{padding:28px;}
  .stage-chip--tl{left:6px;top:-12px;}
  .stage-chip--br{right:6px;bottom:-12px;}
  .fab{bottom:84px;}
}
@media (max-width:600px){
  .header-inner{flex-wrap:wrap;gap:10px;padding:10px 0;min-height:64px;}
  .brand{order:1;gap:9px;}
  .brand-mark{width:36px;height:36px;font-size:1.05rem;border-radius:11px;}
  .brand-text{max-width:136px;}
  .brand-text strong{font-size:.8rem;line-height:1.2;}
  .brand-text small{display:none;}
  .header-actions{order:2;margin-left:auto;gap:6px;}
  .btn-ghost{padding:.45rem .72rem;font-size:.74rem;}
  .btn-glow.btn-sm{padding:.45rem .82rem;font-size:.74rem;}
  .nav-toggle{order:3;width:38px;height:38px;}
  .main-nav{top:auto;position:absolute;margin-top:8px;}
  .metric-grid,.tier-grid,.assure-grid,.facts-grid,.footer-grid{grid-template-columns:1fr;}
  .footer-brand p{max-width:none;}
  .hero-dl .btn-glow,.hero-dl .btn-outline-cyan{width:100%;}
  .timeline{padding-left:20px;}
  .tl-item::before{left:-20px;}
  .compare-table{min-width:640px;}
}

/* roulang page: category3 */
:root{
  --bg:#030712;
  --bg-soft:#060B1C;
  --bg-deep:#02040F;
  --panel:rgba(255,255,255,.045);
  --panel-2:rgba(255,255,255,.075);
  --glass:rgba(11,18,38,.62);
  --border:rgba(148,163,184,.18);
  --border-strong:rgba(56,189,248,.45);
  --blue:#2563EB;
  --blue-deep:#1D4ED8;
  --cyan:#38BDF8;
  --cyan-soft:rgba(56,189,248,.14);
  --gold:#FBBF24;
  --text:#F8FAFC;
  --muted:#94A3B8;
  --muted-2:#64748B;
  --radius-sm:12px;
  --radius:18px;
  --radius-lg:26px;
  --radius-pill:999px;
  --shadow:0 24px 60px rgba(2,6,23,.6);
  --shadow-soft:0 12px 32px rgba(2,6,23,.45);
  --glow-btn:0 0 0 1px rgba(56,189,248,.28), 0 14px 34px rgba(37,99,235,.42);
  --glow-btn-hover:0 0 26px rgba(56,189,248,.55), 0 18px 40px rgba(37,99,235,.5);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:'Be Vietnam Pro','Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background:
    radial-gradient(900px 520px at 10% -10%, rgba(37,99,235,.24), transparent 62%),
    radial-gradient(760px 460px at 94% 6%, rgba(56,189,248,.16), transparent 60%),
    linear-gradient(180deg, rgba(3,7,18,0) 0%, rgba(2,4,15,.9) 100%);
  pointer-events:none;
  z-index:0;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;transition:color .22s ease,opacity .22s ease;}
a:hover{color:var(--cyan);}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
p{margin:0 0 1rem;}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:800;letter-spacing:-.015em;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:8px;}
.container{max-width:var(--container);width:100%;padding-left:20px;padding-right:20px;margin:0 auto;}
main{position:relative;z-index:1;}
.section{padding:84px 0;position:relative;}
.section--alt{
  background:linear-gradient(180deg, rgba(6,11,28,.85) 0%, rgba(3,7,18,.92) 100%);
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
}
.section--deep{background:linear-gradient(180deg, rgba(2,4,15,.92), rgba(6,11,28,.7));}
.section__head{max-width:800px;margin-bottom:44px;}
.section__head--split{display:grid;grid-template-columns:1.05fr .95fr;gap:38px;align-items:end;max-width:none;}
.section__eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.72rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--cyan);
  background:var(--cyan-soft);
  border:1px solid var(--border-strong);
  border-radius:var(--radius-pill);
  padding:6px 14px;margin-bottom:16px;
}
.section__title{font-size:clamp(1.55rem,3.1vw,2.3rem);}
.section__desc{color:var(--muted);font-size:1.02rem;max-width:720px;margin:0;}
.text-accent{color:var(--cyan);}
.text-gold{color:var(--gold);}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(3,7,18,.82);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--border);
}
.header-inner{display:flex;align-items:center;gap:22px;min-height:74px;position:relative;}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:44px;height:44px;border-radius:14px;
  display:grid;place-items:center;font-size:1.35rem;
  background:linear-gradient(140deg,var(--blue),var(--cyan));
  box-shadow:0 10px 26px rgba(37,99,235,.45);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:1.02rem;font-weight:800;letter-spacing:-.01em;}
.brand-text small{font-size:.68rem;color:var(--muted);letter-spacing:.04em;}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-link{
  position:relative;font-size:.9rem;font-weight:600;color:var(--muted);
  padding:9px 14px;border-radius:var(--radius-pill);
  transition:color .22s, background .22s;white-space:nowrap;
}
.nav-link:hover{color:var(--text);background:var(--panel);}
.nav-link.is-active{color:var(--text);background:var(--panel-2);box-shadow:inset 0 0 0 1px var(--border-strong);}
.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;
  padding:.6rem 1.1rem;border-radius:var(--radius-pill);
  font-size:.86rem;font-weight:600;color:var(--cyan);
  border:1px solid var(--border-strong);background:transparent;transition:.24s;
}
.btn-ghost:hover{background:var(--cyan-soft);color:#fff;border-color:var(--cyan);}
.btn-glow{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  padding:.78rem 1.55rem;border-radius:var(--radius-pill);
  font-size:.9rem;font-weight:700;color:#fff;
  background:linear-gradient(120deg,var(--blue) 0%,var(--cyan) 100%);
  box-shadow:var(--glow-btn);border:0;
  transition:transform .24s ease, box-shadow .24s ease, filter .24s ease;
}
.btn-glow:hover{transform:translateY(-2px);box-shadow:var(--glow-btn-hover);color:#fff;filter:brightness(1.05);}
.btn-glow:active{transform:translateY(0) scale(.98);}
.btn-sm{padding:.55rem 1.05rem;font-size:.82rem;}
.btn-lg{padding:.95rem 1.9rem;font-size:.98rem;}
.btn-block{width:100%;}
.btn-outline-cyan{
  display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  padding:.78rem 1.5rem;border-radius:var(--radius-pill);
  font-size:.9rem;font-weight:600;color:var(--text);
  border:1px solid var(--border);background:var(--panel);transition:.24s;
}
.btn-outline-cyan:hover{border-color:var(--cyan);color:var(--cyan);background:var(--cyan-soft);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  background:var(--panel);border:1px solid var(--border);
  color:var(--text);font-size:1.05rem;
}
.nav-toggle:hover{border-color:var(--cyan);color:var(--cyan);}

/* ---------- Hero ---------- */
.cat-hero{
  position:relative;
  padding:64px 0 88px;
  overflow:hidden;
  border-bottom:1px solid var(--border);
  background-image:
    linear-gradient(155deg, rgba(3,7,18,.93) 0%, rgba(3,7,18,.82) 44%, rgba(2,4,15,.97) 100%),
    url('/assets/images/3d4c02a1b3e49091.jpg');
  background-size:cover;
  background-position:center;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(640px 380px at 80% 12%, rgba(56,189,248,.20), transparent 68%);
}
.cat-hero .container{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:52px;align-items:center;}
.hero-badge{
  display:inline-flex;align-items:center;gap:9px;
  padding:7px 15px;border-radius:var(--radius-pill);
  background:var(--cyan-soft);border:1px solid var(--border-strong);
  color:var(--cyan);font-size:.74rem;font-weight:700;letter-spacing:.14em;
  text-transform:uppercase;margin-bottom:20px;
}
.cat-hero h1{
  font-size:clamp(1.75rem,3.9vw,2.85rem);
  font-weight:900;margin-bottom:18px;max-width:16ch;
}
.cat-hero h1 .hl{
  background:linear-gradient(120deg,var(--cyan),#A5F3FC);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{color:var(--muted);font-size:1.03rem;max-width:60ch;margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:28px;}
.hero-strips{display:flex;flex-wrap:wrap;gap:10px;}
.strip{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;border-radius:var(--radius-pill);
  background:var(--panel);border:1px solid var(--border);
  font-size:.78rem;color:var(--muted);font-weight:600;
}
.strip i{color:var(--cyan);font-size:.8rem;}

.hero-panel{
  position:relative;
  background:var(--glass);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:26px 24px 22px;
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  box-shadow:var(--shadow);
}
.hero-panel__top{display:flex;align-items:baseline;justify-content:space-between;gap:14px;border-bottom:1px solid var(--border);padding-bottom:16px;}
.hero-panel__top span{font-size:.76rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted-2);font-weight:700;}
.hero-panel__top strong{font-size:1.22rem;color:var(--cyan);font-weight:800;}
.ring-wrap{position:relative;width:186px;height:186px;margin:20px auto 16px;}
.ring{width:100%;height:100%;transform:rotate(-90deg);transform-origin:center;}
.ring__track{fill:none;stroke:rgba(148,163,184,.18);stroke-width:8;}
.ring__bar{
  fill:none;stroke:var(--cyan);stroke-width:8;stroke-linecap:round;
  stroke-dasharray:238.6 326.7;
  filter:drop-shadow(0 0 8px rgba(56,189,248,.65));
}
.ring__center{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;}
.ring__center strong{font-size:1.9rem;font-weight:900;color:var(--text);line-height:1;}
.ring__center span{font-size:.72rem;color:var(--muted);margin-top:6px;letter-spacing:.04em;}
.tier-list{display:flex;flex-direction:column;gap:0;border-top:1px solid var(--border);}
.tier-list li{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:12px 2px;border-bottom:1px dashed rgba(148,163,184,.16);
  font-size:.82rem;
}
.tier-list li:last-child{border-bottom:0;}
.tier-list span{color:var(--muted);}
.tier-list strong{color:var(--text);font-weight:700;white-space:nowrap;}

/* ---------- Metric board ---------- */
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.metric{
  position:relative;overflow:hidden;
  padding:26px 22px;border-radius:var(--radius);
  background:var(--glass);border:1px solid var(--border);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  transition:transform .28s ease, border-color .28s ease, box-shadow .28s ease;
}
.metric::before{
  content:"";position:absolute;top:0;left:0;height:2px;width:70px;
  background:linear-gradient(90deg,var(--cyan),transparent);
}
.metric:hover{transform:translateY(-4px);border-color:var(--border-strong);box-shadow:var(--shadow-soft);}
.metric__value{font-size:2rem;font-weight:900;color:var(--cyan);letter-spacing:-.02em;line-height:1.1;}
.metric__value small{font-size:.9rem;font-weight:700;color:var(--muted);margin-left:4px;}
.metric__label{font-size:.84rem;color:var(--muted);margin-top:8px;line-height:1.55;}

/* ---------- Feature matrix ---------- */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.feature{
  height:100%;padding:26px 24px;border-radius:var(--radius);
  background:var(--glass);border:1px solid var(--border);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  transition:transform .28s ease, border-color .28s ease, box-shadow .28s ease;
}
.feature:hover{
  transform:translateY(-5px);
  border-color:var(--border-strong);
  box-shadow:0 22px 44px rgba(2,6,23,.6), 0 0 0 1px rgba(56,189,248,.16);
}
.feature__icon{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(37,99,235,.38),rgba(56,189,248,.16));
  border:1px solid var(--border-strong);color:var(--cyan);
  font-size:1.05rem;margin-bottom:16px;
}
.feature h3{font-size:1.05rem;margin-bottom:8px;}
.feature p{color:var(--muted);font-size:.9rem;margin:0;}
.feature__tag{
  display:inline-block;margin-top:14px;font-size:.7rem;font-weight:700;
  letter-spacing:.1em;text-transform:uppercase;color:var(--gold);
  border:1px solid rgba(251,191,36,.35);border-radius:var(--radius-pill);padding:3px 10px;
}

/* ---------- Compare ---------- */
.compare-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;padding-bottom:6px;}
.compare{min-width:680px;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;background:var(--glass);backdrop-filter:blur(12px);}
.compare__head,.compare__row{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:0;}
.compare__head div{
  padding:16px 20px;font-size:.76rem;font-weight:800;letter-spacing:.12em;
  text-transform:uppercase;color:var(--muted-2);
  border-bottom:1px solid var(--border);background:rgba(255,255,255,.03);
}
.compare__head div:nth-child(3){color:var(--cyan);}
.compare__row > span{padding:16px 20px;font-size:.9rem;border-bottom:1px solid rgba(148,163,184,.1);}
.compare__row:last-child > span{border-bottom:0;}
.compare__row .compare__label{color:var(--muted);font-weight:600;}
.compare__row span:nth-child(2){color:var(--muted-2);}
.compare__row span:nth-child(3){color:var(--text);font-weight:700;}
.compare__row span.is-win{color:var(--cyan);}
.compare__row:hover > span{background:rgba(56,189,248,.05);}

/* ---------- Timeline ---------- */
.timeline{position:relative;padding-left:34px;}
.timeline::before{
  content:"";position:absolute;left:9px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,var(--cyan),rgba(37,99,235,.25),transparent);
}
.timeline__item{position:relative;padding:0 0 30px 4px;}
.timeline__item:last-child{padding-bottom:0;}
.timeline__item::before{
  content:"";position:absolute;left:-32px;top:7px;width:14px;height:14px;border-radius:50%;
  background:var(--bg);border:2px solid var(--cyan);
  box-shadow:0 0 0 4px rgba(56,189,248,.14);
}
.timeline__item h4{font-size:1.02rem;margin-bottom:6px;}
.timeline__item p{color:var(--muted);font-size:.9rem;margin:0;max-width:70ch;}
.timeline__meta{font-size:.72rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--cyan);display:block;margin-bottom:8px;}

/* ---------- Category matrix ---------- */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.cat-card{
  display:block;height:100%;padding:26px 24px;border-radius:var(--radius);
  background:linear-gradient(150deg, rgba(37,99,235,.14), rgba(11,18,38,.7));
  border:1px solid var(--border);
  transition:transform .28s ease, border-color .28s ease, box-shadow .28s ease;
}
.cat-card:hover{transform:translateY(-5px);border-color:var(--border-strong);box-shadow:var(--shadow-soft);color:inherit;}
.cat-card__index{font-size:.72rem;font-weight:800;letter-spacing:.16em;color:var(--muted-2);display:block;margin-bottom:14px;}
.cat-card h3{font-size:1.1rem;margin-bottom:10px;}
.cat-card p{color:var(--muted);font-size:.9rem;margin:0 0 16px;}
.cat-card__link{font-size:.82rem;font-weight:700;color:var(--cyan);display:inline-flex;align-items:center;gap:8px;}
.cat-card:hover .cat-card__link{gap:12px;}

/* ---------- News list ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.news-card{
  display:flex;flex-direction:column;height:100%;
  padding:24px 22px;border-radius:var(--radius);
  background:var(--glass);border:1px solid var(--border);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  transition:transform .28s ease, border-color .28s ease, box-shadow .28s ease;
}
.news-card:hover{transform:translateY(-5px);border-color:var(--border-strong);box-shadow:var(--shadow-soft);color:inherit;}
.news-card__tag{
  align-self:flex-start;font-size:.68rem;font-weight:800;letter-spacing:.1em;
  text-transform:uppercase;color:var(--cyan);
  background:var(--cyan-soft);border:1px solid var(--border-strong);
  border-radius:var(--radius-pill);padding:3px 11px;margin-bottom:14px;
}
.news-card h3{font-size:1rem;margin-bottom:10px;line-height:1.4;}
.news-card p{color:var(--muted);font-size:.88rem;margin:0 0 16px;}
.news-card__date{margin-top:auto;font-size:.76rem;color:var(--muted-2);font-weight:600;}
.empty-note{color:var(--muted);font-size:.94rem;padding:22px 0;margin:0;}
.news-more{margin-top:34px;}
.news-more a{
  display:inline-flex;align-items:center;gap:9px;
  font-size:.86rem;font-weight:700;color:var(--cyan);
  border-bottom:1px solid var(--border-strong);padding-bottom:4px;
}

/* ---------- Assurance ---------- */
.assure-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:46px;align-items:center;}
.assure-figure{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--border);box-shadow:var(--shadow);}
.assure-figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;}
.assure-list{display:flex;flex-direction:column;gap:0;}
.assure-list li{
  display:grid;grid-template-columns:44px 1fr;gap:16px;align-items:flex-start;
  padding:18px 0;border-bottom:1px solid rgba(148,163,184,.14);
}
.assure-list li:last-child{border-bottom:0;}
.assure-list i{
  width:44px;height:44px;border-radius:13px;display:grid;place-items:center;
  background:var(--panel);border:1px solid var(--border-strong);color:var(--cyan);font-size:1rem;
}
.assure-list h4{font-size:1rem;margin-bottom:5px;}
.assure-list p{color:var(--muted);font-size:.9rem;margin:0;}

/* ---------- FAQ ---------- */
.faq-list{max-width:920px;border-top:1px solid var(--border);}
.faq-item{border-bottom:1px solid var(--border);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 4px;font-weight:700;font-size:1rem;color:var(--text);transition:color .2s;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--cyan);}
.faq-item summary::after{
  content:"+";color:var(--cyan);font-size:1.4rem;font-weight:400;line-height:1;
  transition:transform .26s ease;flex-shrink:0;
}
.faq-item[open] summary::after{transform:rotate(45deg);}
.faq-item p{color:var(--muted);font-size:.94rem;margin:0 0 20px;max-width:80ch;}

/* ---------- CTA / Form ---------- */
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:start;}
.cta-copy h2{font-size:clamp(1.5rem,2.8vw,2.1rem);margin-bottom:16px;}
.cta-copy p{color:var(--muted);font-size:.98rem;max-width:56ch;}
.cta-points{display:flex;flex-direction:column;gap:12px;margin-top:22px;}
.cta-points li{display:flex;align-items:flex-start;gap:11px;font-size:.92rem;color:var(--muted);}
.cta-points i{color:var(--cyan);margin-top:5px;font-size:.85rem;}
.signup-form{
  background:var(--glass);border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:30px 26px;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  box-shadow:var(--shadow);
}
.form-row{margin-bottom:16px;}
.form-row label{display:block;font-size:.8rem;font-weight:700;color:var(--muted);margin-bottom:7px;letter-spacing:.02em;}
.form-row input,.form-row select{
  width:100%;padding:12px 14px;border-radius:var(--radius-sm);
  background:rgba(2,6,23,.6);border:1px solid var(--border);
  color:var(--text);font-size:.92rem;font-family:inherit;
  transition:border-color .22s ease, box-shadow .22s ease;
}
.form-row input::placeholder{color:var(--muted-2);}
.form-row input:focus,.form-row select:focus{
  outline:none;border-color:var(--cyan);
  box-shadow:0 0 0 3px rgba(56,189,248,.16);
}
.form-note{font-size:.78rem;color:var(--muted-2);margin:14px 0 0;line-height:1.6;}
.form-status{margin-top:14px;font-size:.86rem;color:var(--cyan);font-weight:600;display:none;}
.form-status.is-on{display:block;}

/* ---------- FAB ---------- */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  min-height:56px;padding:0 20px;border-radius:var(--radius-pill);
  background:rgba(7,12,28,.82);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid rgba(56,189,248,.55);
  box-shadow:0 0 20px rgba(6,182,212,.42);
  color:var(--text);font-size:.79rem;font-weight:700;
  opacity:.78;transition:all .28s ease;position:fixed;
}
.fab i{color:var(--cyan);font-size:1rem;transition:transform .4s ease;}
.fab:hover{opacity:1;box-shadow:0 0 32px rgba(6,182,212,.7);color:#fff;transform:translateY(-2px);}
.fab:hover i{transform:rotate(-12deg) scale(1.12);}
.fab:active{transform:translateY(1px) scale(.97);}
.fab__dot{
  position:absolute;top:7px;right:12px;width:9px;height:9px;border-radius:50%;
  background:#F43F5E;box-shadow:0 0 0 3px rgba(244,63,94,.25);
  animation:pulseDot 1.8s infinite;
}
@keyframes pulseDot{0%,100%{transform:scale(1);opacity:1}50%{transform:scale(1.35);opacity:.65}}

/* ---------- Footer ---------- */
.site-footer{
  position:relative;z-index:1;
  background:linear-gradient(180deg, rgba(2,4,15,.96), rgba(3,7,18,.99));
  border-top:1px solid var(--border);
  padding:70px 0 26px;
}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:38px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{color:var(--muted);font-size:.88rem;line-height:1.7;max-width:370px;}
.pay-badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.pay-badge{
  font-size:.72rem;font-weight:600;color:var(--cyan);
  border:1px solid var(--border);border-radius:var(--radius-pill);
  padding:5px 12px;background:var(--panel);
}
.footer-col h4{font-size:.9rem;font-weight:700;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:.86rem;color:var(--muted);}
.footer-col a:hover{color:var(--cyan);}
.footer-bottom{
  margin-top:46px;padding-top:22px;border-top:1px solid var(--border);
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;
  font-size:.78rem;color:var(--muted-2);
}
.age-badge{
  display:inline-grid;place-items:center;width:34px;height:34px;border-radius:50%;
  border:1px solid var(--border-strong);color:var(--cyan);
  font-size:.72rem;font-weight:800;margin-right:12px;flex-shrink:0;
}

/* ---------- Responsive ---------- */
@media (max-width:1100px){
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .cat-hero h1{max-width:none;}
  .metric-grid{grid-template-columns:repeat(2,1fr);}
  .feature-grid{grid-template-columns:repeat(2,1fr);}
  .cat-grid,.news-grid{grid-template-columns:repeat(2,1fr);}
  .assure-grid,.cta-grid{grid-template-columns:1fr;gap:34px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:1024px){
  .main-nav{
    position:absolute;top:100%;left:-20px;right:-20px;
    flex-direction:column;align-items:stretch;gap:4px;
    background:rgba(3,7,18,.98);
    backdrop-filter:blur(18px);
    border-bottom:1px solid var(--border);
    padding:14px 20px 20px;display:none;
  }
  .main-nav.is-open{display:flex;}
  .main-nav .nav-link{padding:12px 14px;border-radius:var(--radius-sm);}
  .nav-toggle{display:inline-grid;place-items:center;}
  .header-actions .btn-ghost{padding:.52rem .85rem;font-size:.78rem;}
  .header-actions .btn-glow{padding:.52rem .95rem;font-size:.78rem;}
  .section__head--split{grid-template-columns:1fr;gap:18px;align-items:start;}
}
@media (max-width:768px){
  .section{padding:60px 0;}
  .cat-hero{padding:46px 0 64px;}
  .brand-text strong{font-size:.92rem;}
  .brand-text small{display:none;}
  .hero-actions .btn-lg,.hero-actions .btn-outline-cyan{width:100%;}
  .compare{min-width:560px;}
  .faq-item summary{font-size:.95rem;padding:17px 2px;}
  .fab{padding:0 16px;font-size:.74rem;}
  .footer-grid{grid-template-columns:1fr;}
}
@media (max-width:520px){
  .container{padding-left:16px;padding-right:16px;}
  .metric-grid{grid-template-columns:1fr;}
  .feature-grid,.cat-grid,.news-grid{grid-template-columns:1fr;}
  .cat-hero h1{font-size:1.6rem;}
  .metric__value{font-size:1.7rem;}
  .signup-form{padding:24px 18px;}
  .fab{left:12px;bottom:80px;padding:0 14px;}
  .fab span{display:none;}
  .fab{min-width:56px;padding:0 18px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

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