/* roulang page: index */
:root{
  --bg:#06060F;
  --bg2:#0C0C1C;
  --panel:#111128;
  --panel2:#171733;
  --line:rgba(148,163,184,.16);
  --txt:#FFFFFF;
  --muted:#94A3B8;
  --cyan:#22D3EE;
  --cyan-d:#06B6D4;
  --violet:#7C3AED;
  --lime:#A3E635;
  --pink:#F43F5E;
  --gold:#FACC15;
  --radius:18px;
  --radius-sm:12px;
  --gutter:clamp(16px,4vw,40px);
  --shadow:0 20px 48px rgba(0,0,0,.55);
  --shadow-soft:0 10px 30px rgba(0,0,0,.4);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--txt);
  font-family:'Be Vietnam Pro',system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease}
a:hover{color:var(--cyan)}
button,input,select,textarea{font:inherit;color:inherit}
p{margin:0 0 14px}
p:last-child{margin-bottom:0}
h1,h2,h3,h4{margin:0 0 14px;font-weight:800;letter-spacing:-.015em;line-height:1.28}
h1{font-size:clamp(1.72rem,4vw,2.7rem)}
h2{font-size:clamp(1.38rem,2.6vw,2rem)}
h3{font-size:clamp(1.08rem,1.7vw,1.3rem)}
ul{margin:0;padding:0;list-style:none}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 var(--gutter)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.72rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--cyan);background:rgba(34,211,238,.1);
  border:1px solid rgba(34,211,238,.3);border-radius:999px;
  padding:6px 14px;margin-bottom:18px;
}
.lead{color:var(--muted);font-size:1.02rem;max-width:62ch}
.sec{padding:clamp(48px,7vw,84px) 0;position:relative}
.sec-alt{background:var(--bg2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{max-width:760px;margin-bottom:clamp(26px,4vw,44px)}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.rule{height:1px;background:linear-gradient(90deg,var(--cyan),rgba(124,58,237,.5),transparent);border:0;margin:0 0 26px;opacity:.7}

/* ---------- Navbar ---------- */
.site-header{
  position:sticky;top:0;z-index:1040;
  background:rgba(6,6,15,.86);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.nav-bar{display:flex;align-items:center;gap:16px;min-height:72px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:40px;height:40px;border-radius:13px;flex-shrink:0;
  background:linear-gradient(135deg,var(--cyan),var(--violet));
  display:grid;place-items:center;
  color:#03131b;font-weight:800;font-size:.92rem;letter-spacing:-.03em;
  box-shadow:0 0 20px rgba(34,211,238,.32);
}
.brand-text{font-weight:800;font-size:1rem;line-height:1.15}
.brand-text small{display:block;font-size:.66rem;font-weight:500;color:var(--muted);letter-spacing:.05em;text-transform:uppercase;margin-top:2px}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-links a{
  padding:9px 14px;border-radius:999px;font-size:.9rem;font-weight:500;color:var(--muted);white-space:nowrap;
}
.nav-links a:hover{color:var(--txt);background:rgba(255,255,255,.06)}
.nav-links a.active{
  color:var(--txt);background:rgba(34,211,238,.12);
  box-shadow:inset 0 0 0 1px rgba(34,211,238,.35);
}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:12px 24px;border-radius:999px;border:0;cursor:pointer;
  font-weight:700;font-size:.94rem;line-height:1.2;
  color:#04121a;background:linear-gradient(120deg,var(--cyan) 0%,#5EEAD4 52%,var(--lime) 100%);
  box-shadow:0 0 20px rgba(34,211,238,.35);
  transition:transform .2s ease,box-shadow .25s ease,filter .2s ease;
}
.btn-main:hover{color:#04121a;transform:translateY(-2px);box-shadow:0 0 30px rgba(34,211,238,.55);filter:brightness(1.06)}
.btn-main:active{transform:translateY(0) scale(.98)}
.btn-main:focus-visible{outline:3px solid rgba(163,230,53,.55);outline-offset:3px}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:11px 22px;border-radius:999px;cursor:pointer;
  font-weight:600;font-size:.94rem;
  color:var(--txt);background:transparent;border:1px solid rgba(148,163,184,.42);
  transition:border-color .2s ease,background-color .2s ease,transform .2s ease;
}
.btn-ghost:hover{color:var(--cyan);border-color:rgba(34,211,238,.6);background:rgba(34,211,238,.08);transform:translateY(-2px)}
.btn-ghost:focus-visible{outline:3px solid rgba(34,211,238,.5);outline-offset:3px}
.btn-sm{padding:9px 18px;font-size:.86rem}
.nav-cta{margin-left:10px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  background:rgba(255,255,255,.06);border:1px solid var(--line);
  color:var(--txt);cursor:pointer;margin-left:auto;
}
.nav-drawer{display:none}
.nav-drawer.open{display:block;padding:12px 0 20px;border-top:1px solid var(--line)}
.nav-drawer a{display:block;padding:12px 4px;font-size:.95rem;color:var(--muted);border-bottom:1px solid rgba(148,163,184,.1)}
.nav-drawer a.active{color:var(--cyan)}
.nav-drawer .btn-main{width:100%;margin-top:14px}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:clamp(46px,7vw,86px) 0 clamp(52px,7vw,92px)}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/2720e16fdcea355b.jpg');
  background-size:cover;background-position:center;
  opacity:.3;filter:saturate(1.05);
}
.hero-veil{
  position:absolute;inset:0;
  background:
    radial-gradient(900px 520px at 10% 6%,rgba(124,58,237,.42),transparent 64%),
    radial-gradient(780px 460px at 90% 14%,rgba(34,211,238,.3),transparent 62%),
    linear-gradient(180deg,rgba(6,6,15,.7) 0%,rgba(6,6,15,.94) 78%,var(--bg) 100%);
}
.hero .wrap{position:relative;z-index:2}
.hero-grid{
  display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);
  gap:clamp(26px,4vw,58px);align-items:start;
}
.hero h1{margin-bottom:16px}
.hero h1 .hl{
  background:linear-gradient(120deg,var(--cyan),var(--lime));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-pain{
  display:flex;gap:12px;align-items:flex-start;
  padding:16px 18px;border-radius:var(--radius-sm);
  background:rgba(244,63,94,.09);border:1px solid rgba(244,63,94,.3);
  color:#FECDD3;font-size:.98rem;margin-bottom:18px;
}
.hero-pain i{color:var(--pink);margin-top:4px}
.hero-lead{color:var(--muted);font-size:1.03rem;margin-bottom:22px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 15px;border-radius:999px;font-size:.83rem;font-weight:600;
  background:rgba(255,255,255,.05);border:1px solid var(--line);color:#CBD5E1;
}
.chip i{color:var(--cyan)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}

.lead-card{
  background:linear-gradient(160deg,rgba(23,23,51,.95),rgba(12,12,28,.95));
  border:1px solid rgba(34,211,238,.28);
  border-radius:22px;
  padding:clamp(22px,3vw,32px);
  box-shadow:0 0 0 1px rgba(124,58,237,.18), var(--shadow);
  position:relative;
}
.lead-card::before{
  content:"";position:absolute;inset:0;border-radius:22px;pointer-events:none;
  background:radial-gradient(420px 200px at 100% 0%,rgba(34,211,238,.16),transparent 70%);
}
.lead-card h3{font-size:1.15rem;margin-bottom:6px}
.lead-card .sub{color:var(--muted);font-size:.86rem;margin-bottom:20px}
.lf-row{margin-bottom:14px}
.lf-row label{display:block;font-size:.78rem;font-weight:600;letter-spacing:.04em;text-transform:uppercase;color:#A5B4CB;margin-bottom:7px}
.lf-row input,.lf-row select{
  width:100%;padding:13px 15px;border-radius:12px;
  background:rgba(6,6,15,.72);border:1px solid rgba(148,163,184,.3);
  color:var(--txt);font-size:.95rem;transition:border-color .2s ease,box-shadow .2s ease;
}
.lf-row input::placeholder{color:#5E6B82}
.lf-row input:focus,.lf-row select:focus{
  outline:none;border-color:rgba(34,211,238,.75);box-shadow:0 0 0 3px rgba(34,211,238,.16);
}
.lf-row select option{background:#0C0C1C;color:var(--txt)}
.btn-block{width:100%;margin-top:6px}
.lf-note{font-size:.76rem;color:#7C8AA3;margin-top:12px;line-height:1.55}
.lf-ok{
  margin-top:14px;padding:12px 14px;border-radius:12px;font-size:.86rem;
  background:rgba(163,230,53,.12);border:1px solid rgba(163,230,53,.4);color:#D9F99D;
}
.lf-err{color:#FCA5A5;font-size:.78rem;margin-top:6px;display:none}
.lf-err.show{display:block}

/* ---------- Metrics ---------- */
.metrics{background:var(--bg2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.metrics-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.metric{padding:30px 24px;border-left:1px solid var(--line)}
.metric:first-child{border-left:0}
.metric .num{
  font-size:clamp(1.5rem,3vw,2.05rem);font-weight:800;letter-spacing:-.03em;
  background:linear-gradient(120deg,var(--cyan),var(--lime));
  -webkit-background-clip:text;background-clip:text;color:transparent;line-height:1.1;
}
.metric .lbl{font-size:.82rem;color:var(--muted);margin-top:8px;line-height:1.5}

/* ---------- Cards ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:26px}
.gcard{
  position:relative;border-radius:var(--radius);overflow:hidden;
  background:var(--panel);border:1px solid var(--line);
  transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;
  display:flex;flex-direction:column;
}
.gcard:hover{transform:translateY(-6px);border-color:rgba(34,211,238,.5);box-shadow:0 0 0 1px rgba(34,211,238,.22),0 20px 44px rgba(0,0,0,.55)}
.gcard-media{position:relative;overflow:hidden}
.gcard-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .45s ease}
.gcard:hover .gcard-media img{transform:scale(1.05)}
.gcard-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(6,6,15,.85))}
.tag{
  position:absolute;top:12px;left:12px;z-index:2;
  padding:5px 11px;border-radius:8px;font-size:.68rem;font-weight:800;letter-spacing:.09em;text-transform:uppercase;
  background:linear-gradient(120deg,var(--pink),#B91C1C);color:#FFF;
  box-shadow:0 6px 16px rgba(244,63,94,.35);
}
.tag.vip{background:linear-gradient(120deg,var(--gold),#F59E0B);color:#3B1A00;box-shadow:0 6px 16px rgba(250,204,21,.32)}
.tag.cool{background:linear-gradient(120deg,var(--cyan),var(--violet));color:#04121a;box-shadow:0 6px 16px rgba(34,211,238,.32)}
.gcard-body{padding:18px 20px 22px;flex:1;display:flex;flex-direction:column}
.gcard-body h3{font-size:1.05rem;margin-bottom:8px}
.gcard-body p{font-size:.88rem;color:var(--muted);margin-bottom:14px}
.gcard-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:.78rem;color:#7C8AA3;padding-top:12px;border-top:1px solid rgba(148,163,184,.12);
}
.gcard-meta span i{color:var(--cyan);margin-right:6px}

/* ---------- Feature split ---------- */
.split{display:grid;grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr);gap:clamp(24px,4vw,52px);align-items:center}
.split-media{border-radius:22px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-soft)}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.feature-list li{
  display:flex;gap:15px;padding:18px 0;border-bottom:1px solid rgba(148,163,184,.14);
}
.feature-list li:last-child{border-bottom:0}
.feature-ico{
  width:46px;height:46px;flex-shrink:0;border-radius:14px;display:grid;place-items:center;
  background:rgba(34,211,238,.12);border:1px solid rgba(34,211,238,.3);color:var(--cyan);font-size:1.05rem;
}
.feature-list h3{font-size:1rem;margin-bottom:6px}
.feature-list p{font-size:.9rem;color:var(--muted)}

/* ---------- Deep article ---------- */
.deep{max-width:920px}
.deep h3{margin-top:30px}
.deep h3:first-of-type{margin-top:22px}
.deep p{color:#B4C0D4}
.deep-figure{border-radius:20px;overflow:hidden;border:1px solid var(--line);margin:26px 0 0}
.deep-figure img{width:100%;aspect-ratio:21/9;object-fit:cover}
.deep-figure figcaption{font-size:.78rem;color:#7C8AA3;padding:12px 16px;background:rgba(255,255,255,.03)}

/* ---------- Category wall ---------- */
.cat-card{
  display:block;padding:26px 24px;border-radius:var(--radius);
  background:linear-gradient(150deg,rgba(23,23,51,.9),rgba(12,12,28,.9));
  border:1px solid var(--line);
  transition:transform .26s ease,border-color .26s ease,box-shadow .26s ease;
}
.cat-card:hover{transform:translateY(-6px);border-color:rgba(124,58,237,.55);box-shadow:0 0 0 1px rgba(124,58,237,.3),0 18px 40px rgba(0,0,0,.5);color:var(--txt)}
.cat-ico{
  width:52px;height:52px;border-radius:16px;display:grid;place-items:center;margin-bottom:18px;
  background:rgba(124,58,237,.14);border:1px solid rgba(124,58,237,.4);color:#C4B5FD;font-size:1.2rem;
}
.cat-card h3{font-size:1.08rem;margin-bottom:8px}
.cat-card p{font-size:.88rem;color:var(--muted);margin-bottom:16px}
.cat-card .more{font-size:.84rem;font-weight:700;color:var(--cyan)}
.cat-card .more i{margin-left:6px;transition:transform .2s ease}
.cat-card:hover .more i{transform:translateX(4px)}

/* ---------- Rail ---------- */
.rail{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(258px,1fr);gap:20px;overflow-x:auto;padding-bottom:12px;scroll-snap-type:x mandatory}
.rail > *{scroll-snap-align:start}
.rail::-webkit-scrollbar{height:8px}
.rail::-webkit-scrollbar-track{background:rgba(255,255,255,.04);border-radius:99px}
.rail::-webkit-scrollbar-thumb{background:rgba(34,211,238,.35);border-radius:99px}

/* ---------- Steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;counter-reset:step}
.step{
  position:relative;padding:28px 24px 26px;border-radius:var(--radius);
  background:var(--panel);border:1px solid var(--line);
}
.step::before{
  counter-increment:step;content:"0" counter(step);
  font-size:2rem;font-weight:800;letter-spacing:-.04em;
  background:linear-gradient(120deg,var(--cyan),var(--violet));
  -webkit-background-clip:text;background-clip:text;color:transparent;
  display:block;margin-bottom:12px;
}
.step h3{font-size:1rem;margin-bottom:8px}
.step p{font-size:.88rem;color:var(--muted)}

/* ---------- Compare table ---------- */
.cmp{width:100%;border-collapse:separate;border-spacing:0;overflow:hidden;border-radius:var(--radius);border:1px solid var(--line)}
.cmp th,.cmp td{padding:16px 18px;text-align:left;font-size:.9rem;border-bottom:1px solid rgba(148,163,184,.13)}
.cmp thead th{background:rgba(255,255,255,.04);font-size:.8rem;letter-spacing:.06em;text-transform:uppercase;color:#A5B4CB}
.cmp tbody tr:last-child td{border-bottom:0}
.cmp td:first-child{color:#CBD5E1;font-weight:600}
.cmp .col-us{background:rgba(34,211,238,.07);color:#E2F7FB;font-weight:600}
.cmp thead .col-us{color:var(--cyan)}
.cmp td:not(:first-child){text-align:center}
.cmp thead th:not(:first-child){text-align:center}
.cmp i.yes{color:var(--lime)}
.cmp i.no{color:#64748B}

/* ---------- News / CMS ---------- */
.news-layout{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);gap:clamp(22px,3vw,36px);align-items:start}
.news-list{display:grid;gap:16px}
.news-item{
  display:grid;grid-template-columns:132px minmax(0,1fr);gap:16px;
  padding:14px;border-radius:var(--radius);background:var(--panel);
  border:1px solid var(--line);align-items:center;
  transition:border-color .24s ease,transform .24s ease,box-shadow .24s ease;
}
.news-item:hover{border-color:rgba(34,211,238,.45);transform:translateX(4px);box-shadow:var(--shadow-soft)}
.news-thumb{border-radius:12px;overflow:hidden;background:rgba(255,255,255,.04)}
.news-thumb img{width:100%;aspect-ratio:4/3;object-fit:cover}
.news-item h3{font-size:.98rem;margin-bottom:6px;line-height:1.4}
.news-item p{font-size:.84rem;color:var(--muted);margin-bottom:8px}
.news-meta{display:flex;flex-wrap:wrap;gap:14px;font-size:.76rem;color:#7C8AA3}
.news-meta i{color:var(--cyan);margin-right:5px}
.side-col{display:grid;gap:16px}
.side-col h3{font-size:.95rem;margin-bottom:4px}
.side-item{
  display:flex;gap:12px;padding:12px 0;border-bottom:1px solid rgba(148,163,184,.13);
}
.side-item:last-child{border-bottom:0}
.side-item .dot{width:8px;height:8px;border-radius:50%;background:var(--cyan);flex-shrink:0;margin-top:8px;box-shadow:0 0 10px rgba(34,211,238,.7)}
.side-item a{font-size:.88rem;color:#CBD5E1;line-height:1.5}
.side-item a:hover{color:var(--cyan)}
.side-item span{display:block;font-size:.74rem;color:#7C8AA3;margin-top:4px}
.empty-note{color:#7C8AA3;font-size:.88rem;padding:18px;border:1px dashed rgba(148,163,184,.3);border-radius:var(--radius-sm);text-align:center}

/* ---------- Bookmark / share ---------- */
.share-row{display:flex;flex-wrap:wrap;gap:14px}
.share-btn{
  display:inline-flex;align-items:center;gap:10px;padding:13px 22px;border-radius:14px;
  background:var(--panel);border:1px solid var(--line);font-size:.9rem;font-weight:600;cursor:pointer;
  transition:border-color .2s ease,transform .2s ease,background-color .2s ease;
}
.share-btn:hover{border-color:rgba(34,211,238,.55);background:rgba(34,211,238,.08);transform:translateY(-3px)}
.share-btn i{color:var(--cyan)}

/* ---------- Topic index ---------- */
.topic-pills{display:flex;flex-wrap:wrap;gap:10px}
.topic-pills a{
  padding:9px 16px;border-radius:999px;font-size:.85rem;
  background:rgba(255,255,255,.04);border:1px solid var(--line);color:#B4C0D4;
}
.topic-pills a:hover{border-color:rgba(124,58,237,.6);color:#DDD6FE;background:rgba(124,58,237,.12)}

/* ---------- Reviews ---------- */
.review{padding:24px;border-radius:var(--radius);background:var(--panel);border:1px solid var(--line)}
.review .stars{color:var(--gold);font-size:.86rem;letter-spacing:2px;margin-bottom:12px}
.review p{font-size:.9rem;color:#B4C0D4;margin-bottom:16px}
.review .who{display:flex;align-items:center;gap:12px;font-size:.82rem;color:var(--muted)}
.review .who b{color:var(--txt);font-weight:700;display:block;font-size:.88rem}
.avatar{
  width:38px;height:38px;border-radius:50%;flex-shrink:0;display:grid;place-items:center;
  font-weight:800;font-size:.85rem;color:#04121a;
  background:linear-gradient(135deg,var(--cyan),var(--lime));
}

/* ---------- Trust ---------- */
.trust-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.trust-item{padding:22px;border-radius:var(--radius-sm);background:rgba(255,255,255,.03);border:1px solid var(--line)}
.trust-item i{font-size:1.35rem;color:var(--cyan);margin-bottom:12px;display:block}
.trust-item h3{font-size:.96rem;margin-bottom:7px}
.trust-item p{font-size:.85rem;color:var(--muted)}

/* ---------- Changelog ---------- */
.log-item{
  display:grid;grid-template-columns:110px minmax(0,1fr);gap:20px;
  padding:20px 0;border-bottom:1px solid rgba(148,163,184,.14);
}
.log-item:last-child{border-bottom:0}
.log-ver{
  font-size:.78rem;font-weight:800;letter-spacing:.08em;color:var(--cyan);
  text-transform:uppercase;padding-top:3px;
}
.log-item h3{font-size:.98rem;margin-bottom:6px}
.log-item p{font-size:.88rem;color:var(--muted)}

/* ---------- Ranking ---------- */
.rank-row{display:grid;grid-template-columns:44px minmax(0,1fr) 120px;gap:16px;align-items:center;padding:16px 0;border-bottom:1px solid rgba(148,163,184,.13)}
.rank-row:last-child{border-bottom:0}
.rank-no{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  font-weight:800;font-size:.9rem;background:rgba(255,255,255,.05);border:1px solid var(--line);color:#A5B4CB;
}
.rank-row:nth-child(1) .rank-no{background:linear-gradient(135deg,var(--gold),#F59E0B);color:#3B1A00;border-color:transparent}
.rank-row:nth-child(2) .rank-no{background:linear-gradient(135deg,#E2E8F0,#94A3B8);color:#0B0C0E;border-color:transparent}
.rank-row:nth-child(3) .rank-no{background:linear-gradient(135deg,#FB923C,#C2410C);color:#1A0A00;border-color:transparent}
.rank-row h3{font-size:.95rem;margin-bottom:4px}
.rank-row p{font-size:.82rem;color:var(--muted)}
.rank-val{text-align:right;font-weight:700;font-size:.95rem;color:var(--lime)}

/* ---------- Scene matrix ---------- */
.scene{padding:24px;border-radius:var(--radius);background:var(--panel);border:1px solid var(--line);transition:border-color .24s ease,transform .24s ease}
.scene:hover{border-color:rgba(163,230,53,.4);transform:translateY(-4px)}
.scene h3{font-size:1rem;margin-bottom:8px}
.scene p{font-size:.86rem;color:var(--muted);margin-bottom:14px}
.scene .fit{font-size:.78rem;font-weight:700;color:var(--lime);letter-spacing:.03em}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:900px}
details.faq{
  border-radius:var(--radius-sm);background:var(--panel);border:1px solid var(--line);
  padding:0;overflow:hidden;transition:border-color .22s ease;
}
details.faq[open]{border-color:rgba(34,211,238,.45)}
details.faq summary{
  cursor:pointer;list-style:none;padding:18px 22px;font-weight:700;font-size:.96rem;
  display:flex;justify-content:space-between;align-items:center;gap:16px;
}
details.faq summary::-webkit-details-marker{display:none}
details.faq summary::after{content:"+";font-size:1.3rem;color:var(--cyan);font-weight:400;line-height:1}
details.faq[open] summary::after{content:"–"}
details.faq .faq-body{padding:0 22px 20px;font-size:.9rem;color:var(--muted)}

/* ---------- Final download ---------- */
.final{
  position:relative;overflow:hidden;border-radius:24px;
  border:1px solid rgba(34,211,238,.26);
  padding:clamp(30px,5vw,56px);
  background:linear-gradient(140deg,rgba(23,23,51,.94),rgba(6,6,15,.94));
}
.final-img{
  position:absolute;inset:0;background-image:url('/assets/images/07098fdd8693472a.jpg');
  background-size:cover;background-position:center;opacity:.2;
}
.final-veil{position:absolute;inset:0;background:linear-gradient(120deg,rgba(6,6,15,.94),rgba(6,6,15,.68))}
.final-inner{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr);gap:30px;align-items:center}
.final h2{margin-bottom:12px}
.final p{color:#B4C0D4;font-size:.95rem}
.final-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.final-box{padding:22px;border-radius:18px;background:rgba(6,6,15,.72);border:1px solid rgba(148,163,184,.24)}
.final-box ul li{display:flex;gap:10px;font-size:.87rem;color:#B4C0D4;padding:8px 0}
.final-box ul li i{color:var(--lime);margin-top:5px}

/* ---------- Footer ---------- */
.site-footer{background:var(--bg2);border-top:1px solid var(--line);padding:clamp(40px,6vw,66px) 0 28px;margin-top:0}
.foot-grid{display:grid;grid-template-columns:minmax(0,1.4fr) repeat(3,minmax(0,.8fr));gap:32px;padding-bottom:34px;border-bottom:1px solid rgba(148,163,184,.14)}
.foot-brand p{font-size:.86rem;color:var(--muted);margin-top:16px;max-width:44ch}
.foot-col h3{font-size:.8rem;letter-spacing:.1em;text-transform:uppercase;color:#A5B4CB;margin-bottom:16px}
.foot-col li{margin-bottom:10px}
.foot-col a{font-size:.87rem;color:var(--muted)}
.foot-col a:hover{color:var(--cyan)}
.foot-bottom{display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;padding-top:22px;font-size:.78rem;color:#6E7C93}
.foot-bottom .badges{display:flex;flex-wrap:wrap;gap:8px}
.foot-bottom .badges span{padding:5px 11px;border-radius:999px;border:1px solid var(--line);font-size:.72rem;color:#8C9AB0}
.age-badge{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:50%;border:1px solid rgba(244,63,94,.5);
  color:#FDA4AF;font-size:.72rem;font-weight:800;
}

/* ---------- FAB ---------- */
.fab{
  position:fixed;left:18px;bottom:104px;z-index:50;
  display:inline-flex;align-items:center;gap:10px;
  padding:13px 20px 13px 14px;border-radius:999px;cursor:pointer;
  background:rgba(7,7,13,.86);
  border:1px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.88),rgba(7,7,13,.88)),linear-gradient(120deg,var(--cyan),var(--violet),var(--pink));
  background-origin:border-box;background-clip:padding-box,border-box;
  color:#FFF;font-size:.85rem;font-weight:700;
  box-shadow:0 0 22px rgba(34,211,238,.4);
  transition:transform .22s ease,box-shadow .28s ease,opacity .22s ease;
  opacity:.85;
}
.fab .fab-ico{
  width:30px;height:30px;border-radius:50%;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--cyan),var(--lime));color:#04121a;font-size:.85rem;
  transition:transform .45s ease;
}
.fab:hover{opacity:1;transform:translateY(-3px) scale(1.04);box-shadow:0 0 32px rgba(34,211,238,.65);color:#fff}
.fab:hover .fab-ico{transform:rotate(360deg)}
.fab:active{transform:translateY(1px) scale(.97)}
.fab .fab-dot{
  position:absolute;top:-3px;right:-3px;width:13px;height:13px;border-radius:50%;
  background:var(--pink);border:2px solid #06060F;animation:pulseDot 1.6s infinite;
}
@keyframes pulseDot{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.55;transform:scale(.82)}}

/* ---------- Responsive ---------- */
@media (max-width:1100px){
  .news-layout{grid-template-columns:1fr}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .trust-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:992px){
  .nav-links,.nav-cta{display:none}
  .nav-toggle{display:grid;place-items:center}
  .hero-grid{grid-template-columns:1fr}
  .split{grid-template-columns:1fr}
  .metrics-grid{grid-template-columns:repeat(2,1fr)}
  .metric{border-left:0;border-top:1px solid var(--line)}
  .metric:nth-child(1),.metric:nth-child(2){border-top:0}
  .metric:nth-child(even){border-left:1px solid var(--line)}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .steps{grid-template-columns:1fr}
  .final-inner{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:768px){
  .grid-2{grid-template-columns:1fr}
  .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%}
  .cmp{display:block;overflow-x:auto;white-space:nowrap}
  .cmp th,.cmp td{min-width:150px}
  .news-item{grid-template-columns:96px minmax(0,1fr);gap:12px}
  .log-item{grid-template-columns:1fr;gap:6px}
  .rank-row{grid-template-columns:38px minmax(0,1fr);row-gap:8px}
  .rank-val{grid-column:2;text-align:left}
}
@media (max-width:520px){
  body{font-size:15px}
  .grid-3,.grid-4,.trust-grid{grid-template-columns:1fr}
  .metrics-grid{grid-template-columns:1fr}
  .metric{border-left:0 !important}
  .brand-text small{display:none}
  .fab{left:12px;bottom:88px;padding:11px 16px 11px 11px;font-size:.78rem}
  .news-item{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .hero-points .chip{font-size:.78rem}
}

/* ==== CLOSING CTA ==== */
  .cta-sec { background:
    radial-gradient(900px 420px at 12% 0%, rgba(34,211,238,.16), transparent 60%),
    radial-gradient(700px 380px at 92% 100%, rgba(245,185,66,.14), transparent 65%),
    #080d1a; }
  .cta-panel {
    display: grid;
    grid-template-columns: 1.05fr .95fr;
    gap: 44px;
    align-items: start;
    padding: 42px;
    border: 1px solid rgba(34,211,238,.28);
    border-radius: 22px;
    background: linear-gradient(180deg, rgba(18,26,48,.92), rgba(10,15,30,.96));
    box-shadow: 0 24px 60px rgba(0,0,0,.45);
  }
  .cta-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    letter-spacing: .06em;
    text-transform: uppercase;
    font-weight: 700;
    color: #0a1020;
    background: linear-gradient(135deg, #f5b942, #fde68a);
    border-radius: 999px;
    padding: 7px 14px;
    margin-bottom: 16px;
  }
  .cta-copy h2 { color: #f3f7ff; font-size: clamp(24px, 2.6vw, 34px); line-height: 1.25; margin: 0 0 14px; text-align: left; }
  .cta-copy p { color: #b9c6df; line-height: 1.65; margin: 0 0 18px; text-align: left; }
  .cta-list { list-style: none; margin: 0; padding: 0; }
  .cta-list li { display: flex; gap: 10px; align-items: flex-start; color: #dbe6f8; padding: 7px 0; font-size: 15px; line-height: 1.55; }
  .cta-list li i { color: #22d3ee; margin-top: 4px; }
  .cta-form {
    background: rgba(9,14,28,.86);
    border: 1px solid rgba(148,163,184,.22);
    border-radius: 18px;
    padding: 26px;
  }
  .cta-form .field { margin-bottom: 16px; }
  .cta-form label { display: block; font-size: 13px; font-weight: 600; color: #9fb0cc; margin-bottom: 7px; letter-spacing: .01em; }
  .cta-form input,
  .cta-form select {
    width: 100%;
    padding: 13px 14px;
    font-size: 15px;
    color: #f3f7ff;
    background: #0d1428;
    border: 1px solid rgba(148,163,184,.28);
    border-radius: 12px;
    transition: border-color .2s, box-shadow .2s;
  }
  .cta-form input::placeholder { color: #64748b; }
  .cta-form input:focus,
  .cta-form select:focus {
    outline: none;
    border-color: #22d3ee;
    box-shadow: 0 0 0 3px rgba(34,211,238,.18);
  }
  .cta-btn {
    width: 100%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 15px 20px;
    font-size: 16px;
    font-weight: 700;
    color: #05101f;
    background: linear-gradient(135deg, #22d3ee, #f5b942);
    border: none;
    border-radius: 12px;
    cursor: pointer;
    box-shadow: 0 10px 28px rgba(34,211,238,.28);
    transition: transform .18s, box-shadow .18s, filter .18s;
  }
  .cta-btn:hover { transform: translateY(-2px); box-shadow: 0 14px 34px rgba(245,185,66,.34); filter: brightness(1.05); }
  .cta-btn:active { transform: translateY(1px) scale(.99); }
  .cta-btn:focus-visible { outline: 3px solid rgba(245,185,66,.6); outline-offset: 2px; }
  .cta-note { font-size: 12.5px; color: #8593ad; line-height: 1.6; margin: 14px 0 0; text-align: left; }
  .cta-note.ok { color: #22d3ee; font-weight: 600; }

  /* ==== FOOTER ==== */
  .ft { background: #05080f; border-top: 1px solid rgba(148,163,184,.16); padding: 56px 0 26px; }
  .ft-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 34px; }
  .ft-logo { display: flex; gap: 12px; align-items: center; color: #f3f7ff; font-weight: 800; font-size: 16px; line-height: 1.4; margin-bottom: 14px; text-align: left; }
  .ft-logo-mark {
    flex: 0 0 auto;
    width: 38px; height: 38px;
    display: inline-flex; align-items: center; justify-content: center;
    border-radius: 11px;
    background: linear-gradient(135deg, #22d3ee, #4f46e5);
    color: #04101e;
  }
  .ft-brand p { color: #8798b5; font-size: 14px; line-height: 1.7; margin: 0 0 16px; text-align: left; }
  .ft-tags { display: flex; flex-wrap: wrap; gap: 8px; }
  .ft-tags span {
    font-size: 11.5px;
    color: #9fb0cc;
    border: 1px solid rgba(148,163,184,.26);
    border-radius: 999px;
    padding: 5px 11px;
    white-space: nowrap;
  }
  .ft-col h3 { color: #e6eefb; font-size: 14px; text-transform: uppercase; letter-spacing: .05em; margin: 0 0 14px; }
  .ft-col ul { list-style: none; margin: 0; padding: 0; }
  .ft-col li { margin-bottom: 10px; }
  .ft-col a { color: #93a3c0; font-size: 14px; line-height: 1.5; text-decoration: none; transition: color .18s, padding-left .18s; }
  .ft-col a:hover { color: #22d3ee; padding-left: 4px; }
  .ft-col a:focus-visible { outline: 2px solid #22d3ee; outline-offset: 3px; border-radius: 4px; }
  .ft-bottom {
    margin-top: 38px;
    padding-top: 22px;
    border-top: 1px solid rgba(148,163,184,.14);
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
    justify-content: space-between;
    align-items: flex-start;
  }
  .ft-note { display: flex; gap: 14px; align-items: flex-start; max-width: 720px; }
  .ft-badge {
    flex: 0 0 auto;
    font-size: 12px; font-weight: 800; color: #ffdca8;
    border: 1px solid rgba(245,185,66,.55);
    border-radius: 8px;
    padding: 4px 9px;
  }
  .ft-note p { color: #7e8da8; font-size: 13px; line-height: 1.65; margin: 0; text-align: left; }
  .ft-copy { color: #64748b; font-size: 13px; margin: 0; line-height: 1.6; }

  /* ==== FAB ==== */
  .fab {
    position: fixed;
    left: 16px;
    bottom: 96px;
    z-index: 50;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    min-height: 56px;
    padding: 0 20px 0 16px;
    border-radius: 999px;
    text-decoration: none;
    color: #eaf6ff;
    font-size: 14px;
    font-weight: 700;
    background: rgba(7,12,26,.82);
    backdrop-filter: blur(12px);
    border: 1px solid transparent;
    background-image: linear-gradient(rgba(7,12,26,.86), rgba(7,12,26,.86)),
      linear-gradient(135deg, #22d3ee, #ec4899);
    background-origin: border-box;
    background-clip: padding-box, border-box;
    box-shadow: 0 0 20px rgba(34,211,238,.42);
    opacity: .78;
    animation: fabpulse 3.2s ease-in-out infinite;
    transition: opacity .2s, transform .2s, box-shadow .2s;
  }
  .fab i { color: #22d3ee; font-size: 18px; }
  .fab:hover { opacity: 1; transform: translateY(-3px) scale(1.04); box-shadow: 0 0 28px rgba(236,72,153,.5); }
  .fab:active { transform: translateY(0) scale(.97); }
  .fab:focus-visible { outline: 3px solid rgba(34,211,238,.55); outline-offset: 3px; }
  .fab-dot {
    position: absolute;
    top: 6px; right: 8px;
    width: 10px; height: 10px;
    border-radius: 50%;
    background: #f43f5e;
    box-shadow: 0 0 10px rgba(244,63,94,.9);
    animation: fabdot 1.4s ease-in-out infinite;
  }
  @keyframes fabpulse {
    0%, 100% { box-shadow: 0 0 18px rgba(34,211,238,.38); }
    50% { box-shadow: 0 0 26px rgba(34,211,238,.6); }
  }
  @keyframes fabdot { 0%, 100% { opacity: 1; } 50% { opacity: .35; } }

  @media (max-width: 1024px) {
    .cta-panel { grid-template-columns: 1fr; gap: 30px; padding: 32px; }
    .ft-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  }
  @media (max-width: 768px) {
    .cta-panel { padding: 24px; border-radius: 18px; }
    .cta-form { padding: 20px; }
    .ft { padding: 44px 0 22px; }
    .ft-bottom { flex-direction: column; }
    .fab { bottom: 84px; padding: 0 16px; font-size: 13px; }
  }
  @media (max-width: 520px) {
    .ft-grid { grid-template-columns: 1fr; }
    .cta-copy h2 { font-size: 22px; }
    .fab { left: 12px; bottom: 78px; min-height: 52px; }
    .fab span.fab-label { display: none; }
    .fab { padding: 0 16px; }
  }

/* roulang page: article */
:root{
  --bg:#06060F;
  --bg2:#0C0C1C;
  --panel:#111128;
  --panel2:#171733;
  --line:rgba(148,163,184,.16);
  --txt:#FFFFFF;
  --muted:#94A3B8;
  --cyan:#22D3EE;
  --cyan-d:#06B6D4;
  --violet:#7C3AED;
  --lime:#A3E635;
  --pink:#F43F5E;
  --gold:#FACC15;
  --radius:18px;
  --radius-sm:12px;
  --gutter:clamp(16px,4vw,40px);
  --shadow:0 20px 48px rgba(0,0,0,.55);
  --shadow-soft:0 10px 30px rgba(0,0,0,.4);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--txt);
  font-family:'Be Vietnam Pro',system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease}
a:hover{color:var(--cyan)}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{font-weight:800;line-height:1.24;letter-spacing:-.02em;margin:0 0 14px}
h1{font-size:clamp(1.75rem,3.6vw,2.7rem)}
h2{font-size:clamp(1.4rem,2.6vw,2.05rem)}
h3{font-size:clamp(1.08rem,1.7vw,1.3rem)}
p{margin:0 0 14px}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 var(--gutter)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.72rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--cyan);background:rgba(34,211,238,.1);
  border:1px solid rgba(34,211,238,.3);border-radius:999px;
  padding:6px 14px;margin-bottom:18px;
}
.lead{color:var(--muted);font-size:1.02rem;max-width:66ch}
/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:1040;
  background:rgba(6,6,15,.86);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.nav-bar{display:flex;align-items:center;gap:16px;min-height:72px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:40px;height:40px;border-radius:13px;flex-shrink:0;
  background:linear-gradient(135deg,var(--cyan),var(--violet));
  display:grid;place-items:center;
  color:#03131b;font-weight:800;font-size:.92rem;letter-spacing:-.03em;
  box-shadow:0 0 20px rgba(34,211,238,.32);
}
.brand-text{font-weight:800;font-size:1rem;line-height:1.15}
.brand-text small{display:block;font-size:.66rem;font-weight:500;color:var(--muted);letter-spacing:.05em;text-transform:uppercase;margin-top:2px}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-links a{padding:9px 14px;border-radius:999px;font-size:.9rem;font-weight:500;color:var(--muted);white-space:nowrap}
.nav-links a:hover{color:var(--txt);background:rgba(255,255,255,.06)}
.nav-links a.active{color:var(--txt);background:rgba(34,211,238,.12);box-shadow:inset 0 0 0 1px rgba(34,211,238,.35)}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:12px 24px;border-radius:999px;border:0;cursor:pointer;
  font-weight:700;font-size:.94rem;line-height:1.2;
  color:#04121a;background:linear-gradient(120deg,var(--cyan) 0%,#5EEAD4 52%,var(--lime) 100%);
  box-shadow:0 0 20px rgba(34,211,238,.35);
  transition:transform .2s ease,box-shadow .25s ease,filter .2s ease;
}
.btn-main:hover{color:#04121a;transform:translateY(-2px);box-shadow:0 0 30px rgba(34,211,238,.55);filter:brightness(1.06)}
.btn-main:active{transform:translateY(0) scale(.98)}
.btn-main:focus-visible{outline:3px solid rgba(163,230,53,.55);outline-offset:3px}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:11px 22px;border-radius:999px;cursor:pointer;
  font-weight:600;font-size:.94rem;
  color:var(--txt);background:transparent;border:1px solid rgba(148,163,184,.42);
  transition:border-color .2s ease,background-color .2s ease,transform .2s ease;
}
.btn-ghost:hover{color:var(--cyan);border-color:rgba(34,211,238,.6);background:rgba(34,211,238,.08);transform:translateY(-2px)}
.btn-ghost:focus-visible{outline:3px solid rgba(34,211,238,.5);outline-offset:3px}
.btn-sm{padding:9px 18px;font-size:.86rem}
.nav-cta{margin-left:10px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  background:rgba(255,255,255,.06);border:1px solid var(--line);
  color:var(--txt);cursor:pointer;margin-left:auto;
}
.nav-drawer{display:none}
.nav-drawer.open{display:block;padding:12px 0 20px;border-top:1px solid var(--line)}
.nav-drawer a{display:block;padding:12px 4px;font-size:.95rem;color:var(--muted);border-bottom:1px solid rgba(148,163,184,.1)}
.nav-drawer a.active{color:var(--cyan)}
.nav-drawer .btn-main{width:100%;margin-top:14px}
/* ---------- Article Hero ---------- */
.art-hero{
  position:relative;overflow:hidden;
  padding:clamp(34px,5vw,62px) 0 clamp(30px,4vw,52px);
  border-bottom:1px solid var(--line);
}
.art-hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/07098fdd8693472a.jpg');
  background-size:cover;background-position:center;
  opacity:.22;
}
.art-hero-veil{
  position:absolute;inset:0;
  background:
    radial-gradient(760px 420px at 12% 0%,rgba(124,58,237,.4),transparent 64%),
    radial-gradient(680px 380px at 92% 10%,rgba(34,211,238,.26),transparent 62%),
    linear-gradient(180deg,rgba(6,6,15,.76) 0%,rgba(6,6,15,.95) 80%,var(--bg) 100%);
}
.art-hero .wrap{position:relative;z-index:2}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.8rem;color:var(--muted);margin-bottom:16px}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--cyan)}
.crumb i{font-size:.6rem;opacity:.7}
.art-hero h1{max-width:22ch}
.art-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.tag{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 14px;border-radius:999px;font-size:.78rem;font-weight:600;
  background:rgba(255,255,255,.05);border:1px solid var(--line);color:#CBD5E1;
}
.tag i{color:var(--cyan)}
.tag.gold{color:#FDE68A;border-color:rgba(250,204,21,.35);background:rgba(250,204,21,.08)}
.tag.gold i{color:var(--gold)}
/* ---------- Article Body ---------- */
.art-main{padding:clamp(34px,5vw,64px) 0}
.art-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:clamp(24px,3.4vw,48px);align-items:start}
.art-content{max-width:760px;min-width:0}
.art-content h2{margin-top:34px;padding-top:6px}
.art-content h3{margin-top:26px;color:#E2E8F0}
.art-content p{color:#CBD5E1}
.art-content ul,.art-content ol{color:#CBD5E1;padding-left:22px;margin:0 0 18px}
.art-content li{margin-bottom:9px}
.art-content strong{color:#fff}
.art-content img{border-radius:var(--radius);margin:22px 0;border:1px solid var(--line)}
.art-content blockquote{
  margin:24px 0;padding:18px 22px;border-left:3px solid var(--cyan);
  background:rgba(34,211,238,.07);border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  color:#E2E8F0;
}
.art-content table{width:100%;border-collapse:collapse;margin:22px 0;font-size:.92rem}
.art-content th,.art-content td{border:1px solid var(--line);padding:11px 14px;text-align:left}
.art-content th{background:rgba(34,211,238,.09);color:#fff;font-weight:700}
.art-content a{color:var(--cyan);text-decoration:underline;text-underline-offset:3px}
.art-lead-box{
  padding:20px 24px;border-radius:var(--radius);
  background:linear-gradient(150deg,rgba(23,23,51,.94),rgba(12,12,28,.94));
  border:1px solid rgba(34,211,238,.26);
  color:#CBD5E1;margin-bottom:28px;
}
.art-lead-box strong{color:#fff}
.art-empty{
  padding:36px 28px;border-radius:var(--radius);text-align:center;
  background:var(--panel);border:1px dashed rgba(148,163,184,.35);
}
.art-empty i{font-size:2rem;color:var(--cyan);margin-bottom:12px;display:block}
/* ---------- Sidebar ---------- */
.side-stack{display:flex;flex-direction:column;gap:18px}
.side-card{
  background:linear-gradient(160deg,rgba(23,23,51,.9),rgba(12,12,28,.9));
  border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow-soft);
}
.side-card h3{font-size:1.02rem;margin-bottom:14px;display:flex;align-items:center;gap:9px}
.side-card h3 i{color:var(--cyan)}
.side-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:4px}
.side-list li a{
  display:flex;align-items:flex-start;gap:10px;
  padding:10px 12px;border-radius:var(--radius-sm);
  font-size:.9rem;color:#CBD5E1;
  transition:background-color .2s ease,color .2s ease;
}
.side-list li a:hover{background:rgba(34,211,238,.09);color:#fff}
.side-list li a i{color:var(--cyan);margin-top:5px;font-size:.7rem}
.side-cta{
  background:linear-gradient(160deg,rgba(34,211,238,.16),rgba(124,58,237,.2));
  border:1px solid rgba(34,211,238,.34);
  border-radius:var(--radius);padding:24px;text-align:center;
}
.side-cta .big{font-size:2rem;font-weight:800;line-height:1.1;color:#fff;display:block;margin-bottom:4px}
.side-cta .big span{background:linear-gradient(120deg,var(--cyan),var(--lime));-webkit-background-clip:text;background-clip:text;color:transparent}
.side-cta p{color:#CBD5E1;font-size:.9rem}
.side-cta .btn-main{width:100%;margin-top:10px}
/* ---------- Sections ---------- */
.sect{padding:clamp(40px,5.4vw,74px) 0;border-top:1px solid var(--line)}
.sect.alt{background:var(--bg2)}
.sect-head{max-width:760px;margin-bottom:clamp(22px,3vw,38px)}
.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:16px}
.stat{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;transition:border-color .25s ease,transform .25s ease;
}
.stat:hover{border-color:rgba(34,211,238,.42);transform:translateY(-3px)}
.stat b{display:block;font-size:1.75rem;font-weight:800;line-height:1.1;color:#fff}
.stat b span{background:linear-gradient(120deg,var(--cyan),var(--lime));-webkit-background-clip:text;background-clip:text;color:transparent}
.stat small{display:block;color:var(--muted);font-size:.85rem;margin-top:6px}
.matrix{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:18px}
.mcard{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:0;overflow:hidden;display:flex;flex-direction:column;
  transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;
}
.mcard:hover{transform:translateY(-4px);border-color:rgba(34,211,238,.45);box-shadow:0 0 24px rgba(34,211,238,.16)}
.mcard img{width:100%;height:158px;object-fit:cover}
.mcard-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:9px;flex:1}
.mcard-body h3{margin:0;font-size:1.05rem}
.mcard-body p{margin:0;color:var(--muted);font-size:.9rem}
.mcard-foot{margin-top:auto;display:flex;align-items:center;gap:10px;font-size:.82rem;color:var(--cyan);font-weight:600}
.cmp{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px}
.cmp-col{border:1px solid var(--line);border-radius:var(--radius);padding:22px;background:var(--panel)}
.cmp-col.good{border-color:rgba(163,230,53,.4);background:linear-gradient(160deg,rgba(163,230,53,.08),rgba(12,12,28,.9))}
.cmp-col h3{font-size:1rem;display:flex;align-items:center;gap:9px}
.cmp-col.bad h3 i{color:var(--pink)}
.cmp-col.good h3 i{color:var(--lime)}
.cmp-col ul{list-style:none;margin:0;padding:0}
.cmp-col li{display:flex;gap:10px;color:#CBD5E1;font-size:.9rem;padding:7px 0;border-bottom:1px dashed rgba(148,163,184,.14)}
.cmp-col li:last-child{border-bottom:0}
.cmp-col.bad li i{color:var(--pink);margin-top:5px;font-size:.72rem}
.cmp-col.good li i{color:var(--lime);margin-top:5px;font-size:.72rem}
.timeline{display:flex;flex-direction:column;gap:0}
.tl-item{display:grid;grid-template-columns:56px minmax(0,1fr);gap:18px;padding-bottom:26px;position:relative}
.tl-item::before{content:"";position:absolute;left:27px;top:52px;bottom:0;width:1px;background:var(--line)}
.tl-item:last-child{padding-bottom:0}
.tl-item:last-child::before{display:none}
.tl-num{
  width:54px;height:54px;border-radius:16px;display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(34,211,238,.2),rgba(124,58,237,.28));
  border:1px solid rgba(34,211,238,.34);color:#fff;font-weight:800;
}
.tl-body h3{margin-bottom:6px;font-size:1.05rem}
.tl-body p{color:var(--muted);margin:0}
.news-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px}
.news-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .25s ease,border-color .25s ease;
}
.news-card:hover{transform:translateY(-4px);border-color:rgba(34,211,238,.42)}
.news-card img{height:150px;width:100%;object-fit:cover}
.news-body{padding:16px 18px 20px;display:flex;flex-direction:column;gap:8px;flex:1}
.news-body h3{font-size:1rem;margin:0}
.news-body p{font-size:.88rem;color:var(--muted);margin:0}
.news-body .more{margin-top:auto;color:var(--cyan);font-weight:600;font-size:.86rem;display:inline-flex;align-items:center;gap:7px}
.trust-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}
.trust-item{
  display:flex;gap:14px;align-items:flex-start;
  padding:20px;border-radius:var(--radius);
  background:rgba(255,255,255,.03);border:1px solid var(--line);
}
.trust-item i{font-size:1.3rem;color:var(--cyan);margin-top:3px}
.trust-item h3{font-size:.98rem;margin-bottom:5px}
.trust-item p{margin:0;font-size:.87rem;color:var(--muted)}
.qa-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:16px}
.qa{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:22px}
.qa h3{font-size:1rem;display:flex;gap:10px;align-items:flex-start}
.qa h3 i{color:var(--cyan);margin-top:4px}
.qa p{margin:0;color:var(--muted);font-size:.91rem}
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:860px}
.faq-item{border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);overflow:hidden}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;background:transparent;border:0;cursor:pointer;text-align:left;
  font-weight:700;font-size:.98rem;color:#fff;
}
.faq-q:hover{color:var(--cyan)}
.faq-q i{color:var(--cyan);transition:transform .25s ease;flex-shrink:0}
.faq-item.open .faq-q i{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-item.open .faq-a{max-height:340px}
.faq-a p{padding:0 22px 20px;margin:0;color:var(--muted);font-size:.92rem}
.cta-band{
  border-radius:22px;padding:clamp(26px,4vw,46px);
  background:
    radial-gradient(560px 280px at 8% 0%,rgba(34,211,238,.24),transparent 62%),
    radial-gradient(560px 280px at 96% 100%,rgba(124,58,237,.3),transparent 64%),
    linear-gradient(160deg,var(--panel2),var(--bg2));
  border:1px solid rgba(34,211,238,.3);
  display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);
  gap:clamp(22px,3vw,40px);align-items:center;
}
.cta-band h2{margin-bottom:10px}
.cta-band p{color:#CBD5E1;margin-bottom:0}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-start}
@media (max-width:1024px){
  .art-layout{grid-template-columns:1fr}
  .art-content{max-width:none}
  .cta-band{grid-template-columns:1fr}
  .nav-links{display:none}
  .nav-cta.desk{display:none}
  .nav-toggle{display:grid;place-items:center}
}
@media (max-width:640px){
  .art-meta{gap:8px}
  .tag{font-size:.74rem;padding:6px 12px}
  .tl-item{grid-template-columns:46px minmax(0,1fr);gap:14px}
  .tl-num{width:46px;height:46px;border-radius:13px;font-size:.9rem}
  .tl-item::before{left:23px;top:46px}
  .cta-actions{flex-direction:column;align-items:stretch}
  .cta-actions .btn-main,.cta-actions .btn-ghost{width:100%}
}
/* ---------- FAB ---------- */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:1050;
  width:58px;height:58px;border-radius:50%;
  display:grid;place-items:center;cursor:pointer;
  color:#04121a;font-size:1.15rem;
  background:linear-gradient(140deg,var(--cyan),var(--lime));
  border:1px solid rgba(255,255,255,.35);
  box-shadow:0 0 22px rgba(34,211,238,.5);
  animation:fabPulse 2.6s ease-in-out infinite;
}
.fab:hover{transform:scale(1.08);box-shadow:0 0 32px rgba(163,230,53,.6)}
.fab:active{transform:scale(.94)}
.fab .dot{
  position:absolute;top:5px;right:5px;width:13px;height:13px;border-radius:50%;
  background:var(--pink);border:2px solid var(--bg);
}
@keyframes fabPulse{0%,100%{opacity:.82}50%{opacity:1}}
/* ---------- Footer ---------- */
.ft{background:var(--bg2);border-top:1px solid var(--line);padding:clamp(38px,5vw,66px) 0 26px;margin-top:0}
.ft-grid{display:grid;grid-template-columns:minmax(0,1.5fr) repeat(3,minmax(0,1fr));gap:clamp(22px,3vw,40px)}
.ft-logo{display:flex;align-items:flex-start;gap:11px;font-weight:800;font-size:.98rem;line-height:1.35;margin-bottom:14px}
.ft-logo-mark{
  width:34px;height:34px;border-radius:11px;flex-shrink:0;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--cyan),var(--violet));color:#03131b;font-size:.82rem;
}
.ft-brand p{color:var(--muted);font-size:.88rem;line-height:1.65}
.ft-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.ft-tags span{
  font-size:.72rem;font-weight:600;padding:5px 11px;border-radius:999px;
  background:rgba(255,255,255,.05);border:1px solid var(--line);color:#CBD5E1;
}
.ft-col h3{font-size:.9rem;text-transform:uppercase;letter-spacing:.1em;color:#E2E8F0;margin-bottom:14px}
.ft-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:9px}
.ft-col a{color:var(--muted);font-size:.88rem}
.ft-col a:hover{color:var(--cyan)}
.ft-bottom{
  margin-top:34px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:16px;justify-content:space-between;align-items:center;
}
.ft-note{display:flex;gap:12px;align-items:flex-start;max-width:640px}
.ft-badge{
  flex-shrink:0;width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:rgba(244,63,94,.14);border:1px solid rgba(244,63,94,.4);
  color:var(--pink);font-weight:800;font-size:.72rem;
}
.ft-note p{margin:0;color:var(--muted);font-size:.8rem;line-height:1.6}
.ft-copy{color:var(--muted);font-size:.78rem;margin:0}
@media (max-width:1024px){
  .ft-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:560px){
  .ft-grid{grid-template-columns:1fr}
  .ft-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category1 */
:root{
  --bg:#06060F;
  --bg2:#0C0C1C;
  --panel:#111128;
  --panel2:#171733;
  --line:rgba(148,163,184,.16);
  --txt:#FFFFFF;
  --muted:#94A3B8;
  --cyan:#22D3EE;
  --cyan-d:#06B6D4;
  --violet:#7C3AED;
  --lime:#A3E635;
  --pink:#F43F5E;
  --gold:#FACC15;
  --radius:18px;
  --radius-sm:12px;
  --gutter:clamp(16px,4vw,40px);
  --shadow:0 20px 48px rgba(0,0,0,.55);
  --shadow-soft:0 10px 30px rgba(0,0,0,.4);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--txt);
  font-family:'Be Vietnam Pro',system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease}
a:hover{color:var(--cyan)}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{line-height:1.24;font-weight:800;letter-spacing:-.01em}
h1{font-size:clamp(1.65rem,3.6vw,2.65rem)}
h2{font-size:clamp(1.35rem,2.6vw,2rem)}
h3{font-size:clamp(1.05rem,1.6vw,1.24rem)}
p{margin:0 0 14px}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 var(--gutter)}
.section{padding:clamp(44px,6vw,80px) 0}
.section-alt{background:linear-gradient(180deg,var(--bg) 0%,var(--bg2) 40%,var(--bg) 100%)}
.section-head{margin-bottom:clamp(22px,3vw,36px)}
.section-head h2{margin-bottom:10px}
.section-head p{color:var(--muted);max-width:66ch}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.72rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--cyan);background:rgba(34,211,238,.1);
  border:1px solid rgba(34,211,238,.3);border-radius:999px;
  padding:6px 14px;margin-bottom:16px;
}
/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:1040;
  background:rgba(6,6,15,.86);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.nav-bar{display:flex;align-items:center;gap:16px;min-height:72px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:40px;height:40px;border-radius:13px;flex-shrink:0;
  background:linear-gradient(135deg,var(--cyan),var(--violet));
  display:grid;place-items:center;
  color:#03131b;font-weight:800;font-size:.92rem;letter-spacing:-.03em;
  box-shadow:0 0 20px rgba(34,211,238,.32);
}
.brand-text{font-weight:800;font-size:1rem;line-height:1.15}
.brand-text small{display:block;font-size:.66rem;font-weight:500;color:var(--muted);letter-spacing:.05em;text-transform:uppercase;margin-top:2px}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-links a{padding:9px 14px;border-radius:999px;font-size:.9rem;font-weight:500;color:var(--muted);white-space:nowrap}
.nav-links a:hover{color:var(--txt);background:rgba(255,255,255,.06)}
.nav-links a.active{color:var(--txt);background:rgba(34,211,238,.12);box-shadow:inset 0 0 0 1px rgba(34,211,238,.35)}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:12px 24px;border-radius:999px;border:0;cursor:pointer;
  font-weight:700;font-size:.94rem;line-height:1.2;
  color:#04121a;background:linear-gradient(120deg,var(--cyan) 0%,#5EEAD4 52%,var(--lime) 100%);
  box-shadow:0 0 20px rgba(34,211,238,.35);
  transition:transform .2s ease,box-shadow .25s ease,filter .2s ease;
}
.btn-main:hover{color:#04121a;transform:translateY(-2px);box-shadow:0 0 30px rgba(34,211,238,.55);filter:brightness(1.06)}
.btn-main:active{transform:translateY(0) scale(.98)}
.btn-main:focus-visible{outline:3px solid rgba(163,230,53,.55);outline-offset:3px}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:11px 22px;border-radius:999px;cursor:pointer;
  font-weight:600;font-size:.94rem;
  color:var(--txt);background:transparent;border:1px solid rgba(148,163,184,.42);
  transition:border-color .2s ease,background-color .2s ease,transform .2s ease;
}
.btn-ghost:hover{color:var(--cyan);border-color:rgba(34,211,238,.6);background:rgba(34,211,238,.08);transform:translateY(-2px)}
.btn-ghost:focus-visible{outline:3px solid rgba(34,211,238,.5);outline-offset:3px}
.btn-sm{padding:9px 18px;font-size:.86rem}
.nav-cta{margin-left:10px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  background:rgba(255,255,255,.06);border:1px solid var(--line);
  color:var(--txt);cursor:pointer;margin-left:auto;
}
.nav-drawer{display:none}
.nav-drawer.open{display:block;padding:12px 0 20px;border-top:1px solid var(--line)}
.nav-drawer a{display:block;padding:12px 4px;font-size:.95rem;color:var(--muted);border-bottom:1px solid rgba(148,163,184,.1)}
.nav-drawer a.active{color:var(--cyan)}
.nav-drawer .btn-main{width:100%;margin-top:14px}
/* ---------- Bento Hero ---------- */
.hero{position:relative;overflow:hidden;padding:clamp(40px,6vw,76px) 0 clamp(46px,6vw,84px)}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/07098fdd8693472a.jpg');
  background-size:cover;background-position:center;
  opacity:.28;
}
.hero-veil{
  position:absolute;inset:0;
  background:
    radial-gradient(900px 500px at 8% 4%,rgba(124,58,237,.4),transparent 62%),
    radial-gradient(760px 440px at 92% 16%,rgba(34,211,238,.28),transparent 60%),
    linear-gradient(180deg,rgba(6,6,15,.72) 0%,rgba(6,6,15,.94) 76%,var(--bg) 100%);
}
.hero .wrap{position:relative;z-index:2}
.bento{display:grid;grid-template-columns:repeat(12,1fr);gap:18px}
.bento-main{
  grid-column:span 7;
  background:linear-gradient(160deg,rgba(23,23,51,.95),rgba(12,12,28,.96));
  border:1px solid rgba(34,211,238,.26);
  border-radius:22px;
  padding:clamp(22px,3vw,34px);
  box-shadow:var(--shadow);
}
.bento-main h1{margin-bottom:14px}
.bento-main h1 .hl{background:linear-gradient(120deg,var(--cyan),var(--lime));-webkit-background-clip:text;background-clip:text;color:transparent}
.bento-main .lead{color:var(--muted);font-size:1.02rem;max-width:60ch;margin-bottom:20px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:22px}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 15px;border-radius:999px;font-size:.83rem;font-weight:600;
  background:rgba(255,255,255,.05);border:1px solid var(--line);color:#CBD5E1;
}
.chip i{color:var(--cyan)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.bento-side{grid-column:span 5;display:grid;gap:18px}
.bento-mini{
  background:linear-gradient(160deg,rgba(23,23,51,.9),rgba(12,12,28,.92));
  border:1px solid var(--line);border-radius:var(--radius);
  padding:20px;display:flex;gap:16px;align-items:flex-start;
}
.bento-mini .ico{
  width:46px;height:46px;border-radius:14px;flex-shrink:0;display:grid;place-items:center;
  background:rgba(34,211,238,.12);border:1px solid rgba(34,211,238,.3);color:var(--cyan);font-size:1.05rem;
}
.bento-mini h3{font-size:1rem;margin-bottom:6px}
.bento-mini p{color:var(--muted);font-size:.9rem;margin:0}
.bento-cta{
  grid-column:span 12;
  display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;
  background:linear-gradient(120deg,rgba(34,211,238,.14),rgba(124,58,237,.18));
  border:1px solid rgba(34,211,238,.3);border-radius:var(--radius);
  padding:18px clamp(18px,3vw,28px);
}
.bento-cta strong{font-size:1.02rem}
.bento-cta span{display:block;color:var(--muted);font-size:.88rem;font-weight:400;margin-top:4px}
/* ---------- Metrics ---------- */
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.metric{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 20px;
}
.metric b{display:block;font-size:clamp(1.5rem,2.6vw,2.05rem);font-weight:800;color:var(--cyan);line-height:1.1}
.metric span{display:block;color:var(--muted);font-size:.85rem;margin-top:8px}
.metric small{display:block;color:#64748B;font-size:.76rem;margin-top:6px}
/* ---------- Matrix ---------- */
.matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.matrix-card{
  position:relative;background:var(--panel);border:1px solid var(--line);
  border-radius:var(--radius);padding:24px 22px;
  transition:border-color .25s ease,transform .25s ease,box-shadow .25s ease;
}
.matrix-card:hover{border-color:rgba(34,211,238,.45);transform:translateY(-4px);box-shadow:var(--shadow-soft)}
.matrix-card .tag{
  display:inline-block;font-size:.7rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
  color:var(--lime);background:rgba(163,230,53,.1);border:1px solid rgba(163,230,53,.3);
  border-radius:999px;padding:4px 11px;margin-bottom:12px;
}
.matrix-card h3{margin-bottom:8px}
.matrix-card p{color:var(--muted);font-size:.92rem;margin-bottom:0}
.matrix-card .meta{display:flex;gap:14px;margin-top:14px;font-size:.82rem;color:#64748B}
.matrix-card .meta i{color:var(--cyan);margin-right:6px}
/* ---------- Compare ---------- */
.cmp{display:grid;grid-template-columns:1.1fr .9fr;gap:20px;align-items:start}
.cmp-panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:24px}
.cmp-panel.bad{border-color:rgba(244,63,94,.3);background:rgba(244,63,94,.05)}
.cmp-panel.good{border-color:rgba(34,211,238,.35);background:rgba(34,211,238,.05)}
.cmp-panel h3{margin-bottom:14px;display:flex;align-items:center;gap:10px}
.cmp-panel ul{list-style:none;margin:0;padding:0}
.cmp-panel li{display:flex;gap:10px;padding:10px 0;border-bottom:1px dashed rgba(148,163,184,.16);font-size:.93rem;color:#CBD5E1}
.cmp-panel li:last-child{border-bottom:0}
.cmp-panel.bad li i{color:var(--pink)}
.cmp-panel.good li i{color:var(--lime)}
/* ---------- Timeline ---------- */
.timeline{position:relative;padding-left:34px}
.timeline::before{
  content:"";position:absolute;left:11px;top:6px;bottom:6px;width:2px;
  background:linear-gradient(180deg,var(--cyan),var(--violet));
  opacity:.5;
}
.tl-item{position:relative;padding-bottom:26px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-29px;top:6px;width:14px;height:14px;border-radius:50%;
  background:var(--bg);border:2px solid var(--cyan);box-shadow:0 0 12px rgba(34,211,238,.5);
}
.tl-item h3{font-size:1.02rem;margin-bottom:6px}
.tl-item p{color:var(--muted);font-size:.92rem;margin:0}
/* ---------- Cards ---------- */
.card-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:18px}
.post-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;
  transition:border-color .25s ease,transform .25s ease,box-shadow .25s ease;
}
.post-card:hover{border-color:rgba(34,211,238,.4);transform:translateY(-4px);box-shadow:var(--shadow-soft)}
.post-card .thumb{aspect-ratio:16/9;overflow:hidden;background:var(--panel2)}
.post-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.post-card:hover .thumb img{transform:scale(1.05)}
.post-card .body{padding:18px 18px 20px;display:flex;flex-direction:column;flex:1}
.post-card .cat{font-size:.72rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--cyan);margin-bottom:8px}
.post-card h3{font-size:1rem;margin-bottom:8px}
.post-card p{color:var(--muted);font-size:.88rem;flex:1;margin-bottom:12px}
.post-card .date{font-size:.78rem;color:#64748B}
.empty-note{color:var(--muted);font-size:.95rem;padding:22px;border:1px dashed var(--line);border-radius:var(--radius)}
.more-row{display:flex;justify-content:flex-start;margin-top:22px}
/* ---------- Trust ---------- */
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.trust{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 20px;
}
.trust .ico{width:44px;height:44px;border-radius:13px;display:grid;place-items:center;background:rgba(124,58,237,.14);border:1px solid rgba(124,58,237,.32);color:#C4B5FD;margin-bottom:14px}
.trust h3{font-size:.98rem;margin-bottom:6px}
.trust p{color:var(--muted);font-size:.86rem;margin:0}
/* ---------- Steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;counter-reset:st}
.step{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 20px;position:relative;
}
.step::before{
  counter-increment:st;content:counter(st,decimal-leading-zero);
  display:block;font-size:.78rem;font-weight:800;letter-spacing:.14em;color:var(--cyan);margin-bottom:10px;
}
.step h3{font-size:1rem;margin-bottom:8px}
.step p{color:var(--muted);font-size:.88rem;margin:0}
/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px}
.faq-item{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-sm);overflow:hidden}
.faq-q{
  width:100%;text-align:left;background:transparent;border:0;cursor:pointer;
  padding:18px 20px;font-weight:700;font-size:.98rem;display:flex;gap:14px;align-items:flex-start;justify-content:space-between;
}
.faq-q i{color:var(--cyan);flex-shrink:0;margin-top:4px;transition:transform .25s ease}
.faq-item.open .faq-q i{transform:rotate(180deg)}
.faq-a{display:none;padding:0 20px 18px;color:var(--muted);font-size:.92rem}
.faq-item.open .faq-a{display:block}
/* ---------- Form ---------- */
.convert{
  background:linear-gradient(140deg,rgba(23,23,51,.95),rgba(12,12,28,.96));
  border:1px solid rgba(34,211,238,.3);border-radius:22px;
  padding:clamp(24px,4vw,44px);box-shadow:var(--shadow);
}
.convert-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(22px,4vw,44px);align-items:start}
.form-row{display:grid;gap:8px;margin-bottom:16px}
.form-row label{font-size:.84rem;font-weight:600;color:#CBD5E1}
.form-row input,.form-row select{
  width:100%;padding:13px 15px;border-radius:var(--radius-sm);
  background:rgba(6,6,15,.7);border:1px solid var(--line);color:var(--txt);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.form-row input:focus,.form-row select:focus{
  outline:0;border-color:rgba(34,211,238,.6);box-shadow:0 0 0 3px rgba(34,211,238,.16);
}
.form-note{font-size:.8rem;color:#64748B;margin-top:10px}
.channel-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:6px}
.channel{
  display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:999px;
  font-size:.82rem;font-weight:600;background:rgba(255,255,255,.05);border:1px solid var(--line);color:#CBD5E1;
}
.channel i{color:var(--lime)}
/* ---------- FAB ---------- */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:1050;
  width:58px;height:58px;border-radius:50%;
  display:grid;place-items:center;
  background:rgba(7,7,13,.85);backdrop-filter:blur(10px);
  border:2px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.9),rgba(7,7,13,.9)),linear-gradient(135deg,var(--cyan),var(--lime));
  background-origin:border-box;background-clip:padding-box,border-box;
  color:var(--cyan);font-size:1.2rem;
  box-shadow:0 0 20px rgba(34,211,238,.4);
  opacity:.78;
  animation:fabPulse 3.4s ease-in-out infinite;
  transition:transform .25s ease,opacity .25s ease,box-shadow .25s ease;
}
.fab:hover{opacity:1;transform:scale(1.1);box-shadow:0 0 30px rgba(34,211,238,.65)}
.fab:active{transform:scale(.95)}
.fab .dot{
  position:absolute;top:2px;right:2px;width:12px;height:12px;border-radius:50%;
  background:var(--pink);box-shadow:0 0 0 2px rgba(255,255,255,.85);
}
@keyframes fabPulse{0%,100%{transform:translateY(0)}50%{transform:translateY(-5px)}}
/* ---------- Footer ---------- */
.ft{margin-top:clamp(40px,6vw,72px);background:linear-gradient(180deg,var(--bg2),#04040A);border-top:1px solid var(--line);padding:clamp(36px,5vw,60px) 0 26px}
.ft-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:clamp(22px,3vw,40px)}
.ft-logo{display:flex;align-items:flex-start;gap:11px;font-weight:800;font-size:.96rem;line-height:1.35;margin-bottom:14px}
.ft-logo-mark{width:36px;height:36px;border-radius:11px;flex-shrink:0;background:linear-gradient(135deg,var(--cyan),var(--violet));display:grid;place-items:center;color:#03131b}
.ft-brand p{color:var(--muted);font-size:.87rem;max-width:42ch}
.ft-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.ft-tags span{font-size:.74rem;font-weight:600;padding:5px 11px;border-radius:999px;background:rgba(255,255,255,.05);border:1px solid var(--line);color:#94A3B8}
.ft-col h3{font-size:.88rem;text-transform:uppercase;letter-spacing:.1em;color:#CBD5E1;margin-bottom:14px}
.ft-col ul{list-style:none;margin:0;padding:0}
.ft-col li{margin-bottom:10px}
.ft-col a{color:var(--muted);font-size:.87rem}
.ft-col a:hover{color:var(--cyan)}
.ft-bottom{margin-top:36px;padding-top:22px;border-top:1px solid var(--line);display:grid;gap:16px}
.ft-note{display:flex;gap:14px;align-items:flex-start;background:rgba(244,63,94,.06);border:1px solid rgba(244,63,94,.24);border-radius:var(--radius-sm);padding:16px 18px}
.ft-note p{color:#CBD5E1;font-size:.82rem;margin:0}
.ft-badge{flex-shrink:0;font-weight:800;font-size:.76rem;padding:5px 10px;border-radius:8px;background:rgba(244,63,94,.16);border:1px solid rgba(244,63,94,.4);color:#FECDD3}
.ft-copy{color:#64748B;font-size:.8rem;margin:0}
/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .bento-main{grid-column:span 12}
  .bento-side{grid-column:span 12;grid-template-columns:1fr 1fr}
  .metric-grid{grid-template-columns:repeat(2,1fr)}
  .matrix{grid-template-columns:repeat(2,1fr)}
  .cmp{grid-template-columns:1fr}
  .trust-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .convert-grid{grid-template-columns:1fr}
  .ft-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:992px){
  .nav-links{display:none}
  .nav-cta{display:none}
  .nav-toggle{display:grid;place-items:center}
}
@media (max-width:768px){
  .metric-grid{grid-template-columns:1fr 1fr}
  .matrix{grid-template-columns:1fr}
  .trust-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .ft-grid{grid-template-columns:1fr}
}
@media (max-width:520px){
  .bento-side{grid-template-columns:1fr}
  .metric-grid{grid-template-columns:1fr}
  .brand-text{font-size:.9rem}
  .brand-text small{display:none}
  .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%}
  .bento-cta{flex-direction:column;align-items:stretch}
  .bento-cta .btn-main{width:100%}
}

/* roulang page: category3 */
:root{
  --bg:#06060F;
  --bg2:#0C0C1C;
  --panel:#111128;
  --panel2:#171733;
  --line:rgba(148,163,184,.16);
  --txt:#FFFFFF;
  --muted:#94A3B8;
  --cyan:#22D3EE;
  --cyan-d:#06B6D4;
  --violet:#7C3AED;
  --lime:#A3E635;
  --pink:#F43F5E;
  --gold:#FACC15;
  --radius:18px;
  --radius-sm:12px;
  --gutter:clamp(16px,4vw,40px);
  --shadow:0 20px 48px rgba(0,0,0,.55);
  --shadow-soft:0 10px 30px rgba(0,0,0,.4);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--txt);
  font-family:'Be Vietnam Pro',system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease}
a:hover{color:var(--cyan)}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{line-height:1.25;font-weight:800;margin:0 0 12px}
h1{font-size:clamp(1.7rem,3.6vw,2.6rem)}
h2{font-size:clamp(1.4rem,2.6vw,2rem)}
h3{font-size:clamp(1.08rem,1.8vw,1.28rem)}
p{margin:0 0 14px}
.wrap{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding-left:var(--gutter);
  padding-right:var(--gutter);
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.72rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--cyan);background:rgba(34,211,238,.1);
  border:1px solid rgba(34,211,238,.3);border-radius:999px;
  padding:6px 14px;margin-bottom:18px;
}
.lead{color:var(--muted);font-size:1.02rem;max-width:66ch}
.section{padding:clamp(44px,6vw,78px) 0}
.section-alt{background:linear-gradient(180deg,var(--bg) 0%,var(--bg2) 100%)}
.section-head{margin-bottom:clamp(24px,3vw,38px);max-width:760px}
.section-head h2{margin-bottom:10px}
.section-head p{color:var(--muted);margin:0}
/* Navbar */
.site-header{
  position:sticky;top:0;z-index:1040;
  background:rgba(6,6,15,.86);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.nav-bar{display:flex;align-items:center;gap:16px;min-height:72px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:40px;height:40px;border-radius:13px;flex-shrink:0;
  background:linear-gradient(135deg,var(--cyan),var(--violet));
  display:grid;place-items:center;
  color:#03131b;font-weight:800;font-size:.92rem;letter-spacing:-.03em;
  box-shadow:0 0 20px rgba(34,211,238,.32);
}
.brand-text{font-weight:800;font-size:1rem;line-height:1.15}
.brand-text small{display:block;font-size:.66rem;font-weight:500;color:var(--muted);letter-spacing:.05em;text-transform:uppercase;margin-top:2px}
.nav-links{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-links a{padding:9px 14px;border-radius:999px;font-size:.9rem;font-weight:500;color:var(--muted);white-space:nowrap}
.nav-links a:hover{color:var(--txt);background:rgba(255,255,255,.06)}
.nav-links a.active{color:var(--txt);background:rgba(34,211,238,.12);box-shadow:inset 0 0 0 1px rgba(34,211,238,.35)}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:12px 24px;border-radius:999px;border:0;cursor:pointer;
  font-weight:700;font-size:.94rem;line-height:1.2;
  color:#04121a;background:linear-gradient(120deg,var(--cyan) 0%,#5EEAD4 52%,var(--lime) 100%);
  box-shadow:0 0 20px rgba(34,211,238,.35);
  transition:transform .2s ease,box-shadow .25s ease,filter .2s ease;
}
.btn-main:hover{color:#04121a;transform:translateY(-2px);box-shadow:0 0 30px rgba(34,211,238,.55);filter:brightness(1.06)}
.btn-main:active{transform:translateY(0) scale(.98)}
.btn-main:focus-visible{outline:3px solid rgba(163,230,53,.55);outline-offset:3px}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:11px 22px;border-radius:999px;cursor:pointer;
  font-weight:600;font-size:.94rem;
  color:var(--txt);background:transparent;border:1px solid rgba(148,163,184,.42);
  transition:border-color .2s ease,background-color .2s ease,transform .2s ease;
}
.btn-ghost:hover{color:var(--cyan);border-color:rgba(34,211,238,.6);background:rgba(34,211,238,.08);transform:translateY(-2px)}
.btn-ghost:focus-visible{outline:3px solid rgba(34,211,238,.5);outline-offset:3px}
.btn-sm{padding:9px 18px;font-size:.86rem}
.nav-cta{margin-left:10px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  background:rgba(255,255,255,.06);border:1px solid var(--line);
  color:var(--txt);cursor:pointer;margin-left:auto;
}
.nav-drawer{display:none}
.nav-drawer.open{display:block;padding:12px 0 20px;border-top:1px solid var(--line)}
.nav-drawer a{display:block;padding:12px 4px;font-size:.95rem;color:var(--muted);border-bottom:1px solid rgba(148,163,184,.1)}
.nav-drawer a.active{color:var(--cyan)}
.nav-drawer .btn-main{width:100%;margin-top:14px}
/* Hero */
.hero{position:relative;overflow:hidden;padding:clamp(44px,6vw,80px) 0 clamp(46px,6vw,86px)}
.hero-bg{position:absolute;inset:0;background-image:url('/assets/images/07098fdd8693472a.jpg');background-size:cover;background-position:center;opacity:.28}
.hero-veil{
  position:absolute;inset:0;
  background:
    radial-gradient(880px 500px at 12% 8%,rgba(124,58,237,.4),transparent 64%),
    radial-gradient(760px 440px at 88% 16%,rgba(34,211,238,.28),transparent 62%),
    linear-gradient(180deg,rgba(6,6,15,.72) 0%,rgba(6,6,15,.94) 76%,var(--bg) 100%);
}
.hero .wrap{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:clamp(24px,4vw,54px);align-items:start}
.hero h1{margin-bottom:16px}
.hero h1 .hl{background:linear-gradient(120deg,var(--cyan),var(--lime));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-note{
  display:flex;gap:12px;align-items:flex-start;
  padding:15px 17px;border-radius:var(--radius-sm);
  background:rgba(34,211,238,.08);border:1px solid rgba(34,211,238,.3);
  color:#CFFAFE;font-size:.97rem;margin-bottom:18px;
}
.hero-note i{color:var(--cyan);margin-top:4px}
.hero-lead{color:var(--muted);font-size:1.03rem;margin-bottom:20px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:24px}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 15px;border-radius:999px;font-size:.83rem;font-weight:600;
  background:rgba(255,255,255,.05);border:1px solid var(--line);color:#CBD5E1;
}
.chip i{color:var(--cyan)}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
/* Reward spotlight card */
.reward-card{
  position:relative;border-radius:22px;padding:clamp(22px,3vw,32px);
  background:linear-gradient(160deg,rgba(23,23,51,.96),rgba(12,12,28,.96));
  border:1px solid rgba(34,211,238,.3);
  box-shadow:0 0 0 1px rgba(124,58,237,.2),var(--shadow);
}
.reward-card::before{
  content:"";position:absolute;inset:0;border-radius:22px;pointer-events:none;
  background:radial-gradient(400px 190px at 100% 0%,rgba(34,211,238,.16),transparent 70%);
}
.reward-card .tagline{font-size:.74rem;letter-spacing:.16em;text-transform:uppercase;color:var(--lime);font-weight:700;margin-bottom:8px}
.reward-amount{font-size:clamp(2.1rem,4.4vw,2.9rem);font-weight:800;line-height:1.05;color:var(--gold);margin-bottom:4px}
.reward-amount small{display:block;font-size:.82rem;font-weight:600;color:var(--muted);letter-spacing:.02em;margin-top:6px}
.reward-list{list-style:none;margin:18px 0 22px;padding:0;display:grid;gap:11px}
.reward-list li{display:flex;gap:11px;align-items:flex-start;font-size:.95rem;color:#E2E8F0}
.reward-list i{color:var(--cyan);margin-top:4px}
.reward-card .btn-main{width:100%}
.reward-foot{margin:14px 0 0;font-size:.8rem;color:var(--muted);text-align:center}
/* Metric strip */
.metric-strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.metric{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:18px 16px;
}
.metric b{display:block;font-size:clamp(1.3rem,2.4vw,1.7rem);color:var(--cyan);font-weight:800;line-height:1.1}
.metric span{display:block;font-size:.8rem;color:var(--muted);margin-top:6px}
/* Offer grid */
.offer-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(258px,1fr));gap:18px}
.offer-card{
  background:linear-gradient(165deg,var(--panel2),var(--panel));
  border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;display:flex;flex-direction:column;gap:10px;
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.offer-card:hover{transform:translateY(-4px);border-color:rgba(34,211,238,.45);box-shadow:var(--shadow-soft)}
.offer-card .badge-top{
  align-self:flex-start;font-size:.68rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;
  padding:5px 11px;border-radius:999px;color:#04121a;background:linear-gradient(120deg,var(--lime),var(--cyan));
}
.offer-card h3{margin:2px 0 0;font-size:1.12rem}
.offer-card p{color:var(--muted);font-size:.92rem;margin:0}
.offer-card .rate{font-size:1.5rem;font-weight:800;color:var(--gold);line-height:1.1}
.offer-card ul{list-style:none;margin:6px 0 0;padding:0;display:grid;gap:8px}
.offer-card ul li{display:flex;gap:9px;font-size:.88rem;color:#CBD5E1}
.offer-card ul i{color:var(--cyan);margin-top:4px;font-size:.78rem}
/* Compare table */
.cmp{width:100%;border-collapse:separate;border-spacing:0 10px;font-size:.92rem}
.cmp th{font-size:.76rem;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);text-align:left;padding:0 14px 6px}
.cmp td{background:var(--panel);padding:15px 14px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);color:#E2E8F0}
.cmp td:first-child{border-left:1px solid var(--line);border-radius:12px 0 0 12px;font-weight:600;color:var(--txt);white-space:nowrap}
.cmp td:last-child{border-right:1px solid var(--line);border-radius:0 12px 12px 0}
.cmp tr.hl td{background:linear-gradient(120deg,rgba(34,211,238,.14),rgba(124,58,237,.14));border-color:rgba(34,211,238,.35)}
.cmp td .ok{color:var(--lime);font-weight:700}
.cmp td .no{color:var(--muted)}
.table-scroll{overflow-x:auto;padding-bottom:6px}
/* Milestones */
.miles{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(230px,1fr))}
.mile{
  position:relative;background:var(--panel);border:1px solid var(--line);
  border-radius:var(--radius-sm);padding:20px 18px 18px;
}
.mile .step{
  position:absolute;top:-13px;left:18px;
  font-size:.72rem;font-weight:700;letter-spacing:.1em;color:#04121a;
  background:linear-gradient(120deg,var(--cyan),var(--lime));
  border-radius:999px;padding:4px 12px;
}
.mile h3{font-size:1rem;margin:8px 0 6px}
.mile p{color:var(--muted);font-size:.88rem;margin:0}
/* Payment channels */
.pay-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:14px}
.pay{
  display:flex;gap:13px;align-items:flex-start;
  background:var(--panel2);border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:16px;
}
.pay i{font-size:1.2rem;color:var(--cyan);margin-top:3px}
.pay b{display:block;font-size:.96rem;margin-bottom:3px}
.pay span{font-size:.84rem;color:var(--muted)}
/* Timeline */
.tl{position:relative;padding-left:26px}
.tl::before{content:"";position:absolute;left:7px;top:6px;bottom:6px;width:2px;background:linear-gradient(180deg,var(--cyan),var(--violet))}
.tl-item{position:relative;padding-bottom:22px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-24px;top:5px;width:12px;height:12px;border-radius:50%;
  background:var(--bg);border:2px solid var(--cyan);
}
.tl-item h3{font-size:1rem;margin-bottom:4px}
.tl-item p{color:var(--muted);font-size:.9rem;margin:0}
/* Post list */
.post-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(275px,1fr));gap:18px}
.post-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.post-card:hover{transform:translateY(-4px);border-color:rgba(34,211,238,.42);box-shadow:var(--shadow-soft)}
.post-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--panel2)}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.post-card:hover .post-thumb img{transform:scale(1.05)}
.post-body{padding:18px;display:flex;flex-direction:column;gap:9px;flex:1}
.post-meta{display:flex;flex-wrap:wrap;gap:10px;font-size:.76rem;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}
.post-meta span{display:inline-flex;align-items:center;gap:6px}
.post-body h3{font-size:1.02rem;margin:0}
.post-body p{color:var(--muted);font-size:.88rem;margin:0;flex:1}
.post-more{font-size:.85rem;font-weight:600;color:var(--cyan);display:inline-flex;align-items:center;gap:7px}
.post-empty{color:var(--muted);font-size:.95rem;padding:18px;border:1px dashed var(--line);border-radius:var(--radius-sm);text-align:center}
.list-more{display:flex;justify-content:center;margin-top:26px}
/* Trust */
.trust-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}
.trust{
  border:1px solid var(--line);border-radius:var(--radius-sm);padding:18px;
  background:linear-gradient(165deg,var(--panel2),var(--panel));
}
.trust i{font-size:1.35rem;color:var(--lime);margin-bottom:10px;display:block}
.trust h3{font-size:1rem;margin-bottom:6px}
.trust p{color:var(--muted);font-size:.87rem;margin:0}
/* FAQ */
.faq{display:grid;gap:12px}
.faq-item{border:1px solid var(--line);border-radius:var(--radius-sm);background:var(--panel);overflow:hidden}
.faq-q{
  width:100%;text-align:left;background:transparent;border:0;cursor:pointer;
  padding:17px 18px;font-weight:600;font-size:.98rem;display:flex;gap:14px;align-items:flex-start;justify-content:space-between;
}
.faq-q i{color:var(--cyan);transition:transform .25s ease;margin-top:4px}
.faq-item.open .faq-q i{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;padding:0 18px}
.faq-item.open .faq-a{max-height:340px;padding-bottom:16px}
.faq-a p{color:var(--muted);font-size:.9rem;margin:0}
/* CTA */
.cta-band{
  position:relative;overflow:hidden;border-radius:24px;
  background:linear-gradient(130deg,rgba(124,58,237,.28),rgba(34,211,238,.18));
  border:1px solid rgba(34,211,238,.3);
  padding:clamp(26px,4vw,44px);
  text-align:center;
}
.cta-band h2{margin-bottom:10px}
.cta-band p{color:#CBD5E1;max-width:60ch;margin:0 auto 22px}
.cta-form{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;max-width:560px;margin:0 auto}
.cta-form input{
  flex:1 1 240px;min-width:0;
  background:rgba(6,6,15,.7);border:1px solid rgba(148,163,184,.4);
  border-radius:999px;padding:13px 20px;font-size:.93rem;
}
.cta-form input::placeholder{color:rgba(148,163,184,.8)}
.cta-form input:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(34,211,238,.25)}
.cta-band .small{margin-top:14px;font-size:.8rem;color:var(--muted)}
/* Footer */
.ft{background:linear-gradient(180deg,var(--bg2) 0%,#050510 100%);border-top:1px solid var(--line);padding:clamp(38px,5vw,64px) 0 26px}
.ft-grid{display:grid;grid-template-columns:minmax(0,1.5fr) repeat(3,minmax(0,1fr));gap:clamp(22px,3vw,40px)}
.ft-logo{display:flex;align-items:center;gap:11px;font-weight:800;font-size:.98rem;line-height:1.3;margin-bottom:14px}
.ft-logo-mark{
  width:38px;height:38px;border-radius:12px;flex-shrink:0;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--cyan),var(--violet));color:#04121a;font-size:.95rem;
}
.ft-brand p{color:var(--muted);font-size:.88rem;max-width:46ch}
.ft-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.ft-tags span{font-size:.74rem;color:#CBD5E1;border:1px solid var(--line);border-radius:999px;padding:5px 11px;background:rgba(255,255,255,.04)}
.ft-col h3{font-size:.82rem;letter-spacing:.12em;text-transform:uppercase;color:var(--txt);margin-bottom:14px}
.ft-col ul{list-style:none;margin:0;padding:0;display:grid;gap:9px}
.ft-col a{color:var(--muted);font-size:.88rem}
.ft-col a:hover{color:var(--cyan)}
.ft-bottom{margin-top:34px;padding-top:22px;border-top:1px solid var(--line);display:flex;gap:18px;flex-wrap:wrap;align-items:flex-start;justify-content:space-between}
.ft-note{display:flex;gap:12px;align-items:flex-start;max-width:620px}
.ft-badge{
  flex-shrink:0;font-size:.72rem;font-weight:800;color:#04121a;
  background:linear-gradient(120deg,var(--gold),var(--lime));
  border-radius:8px;padding:4px 9px;
}
.ft-note p{color:var(--muted);font-size:.82rem;margin:0}
.ft-copy{color:var(--muted);font-size:.82rem;margin:0}
/* FAB */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:1050;
  width:56px;height:56px;border-radius:50%;
  display:grid;place-items:center;font-size:1.15rem;
  background:radial-gradient(circle at 30% 30%,#1a1a3a,#0b0b1c);
  border:2px solid var(--cyan);color:var(--cyan);
  box-shadow:0 0 20px rgba(6,182,212,.45);
  opacity:.82;transition:transform .25s ease,opacity .25s ease,box-shadow .25s ease;
}
.fab:hover{opacity:1;transform:scale(1.1);box-shadow:0 0 30px rgba(6,182,212,.7)}
.fab:active{transform:scale(.95) translateY(2px)}
.fab .dot{position:absolute;top:2px;right:2px;width:12px;height:12px;border-radius:50%;background:var(--pink);box-shadow:0 0 0 2px #06060F}
/* Responsive */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr}
  .metric-strip{grid-template-columns:repeat(2,minmax(0,1fr))}
  .ft-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:860px){
  .nav-links{display:none}
  .nav-cta{display:none}
  .nav-toggle{display:inline-grid;place-items:center}
}
@media (max-width:640px){
  body{font-size:15px}
  .hero{padding-top:34px}
  .offer-grid,.post-grid{grid-template-columns:1fr}
  .metric-strip{grid-template-columns:1fr 1fr}
  .ft-grid{grid-template-columns:1fr}
  .cmp td:first-child{white-space:normal}
}
@media (max-width:420px){
  .metric-strip{grid-template-columns:1fr}
  .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%}
}

/* roulang page: category2 */
:root{
      --bg:#06060F;
      --bg2:#0C0C1C;
      --panel:#111128;
      --panel2:#171733;
      --line:rgba(148,163,184,.16);
      --txt:#FFFFFF;
      --muted:#94A3B8;
      --cyan:#22D3EE;
      --cyan-d:#06B6D4;
      --violet:#7C3AED;
      --lime:#A3E635;
      --pink:#F43F5E;
      --gold:#FACC15;
      --radius:18px;
      --radius-sm:12px;
      --gutter:clamp(16px,4vw,40px);
      --shadow:0 20px 48px rgba(0,0,0,.55);
      --shadow-soft:0 10px 30px rgba(0,0,0,.4);
      --success:#34D399;
      --warning:#FBBF24;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      background:var(--bg);
      color:var(--txt);
      font-family:'Be Vietnam Pro',system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
      font-size:16px;
      line-height:1.65;
      -webkit-font-smoothing:antialiased;
      overflow-x:hidden;
    }
    img{max-width:100%;height:auto;display:block}
    a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease,transform .2s ease}
    a:hover{color:var(--cyan)}
    button,input,select,textarea{font:inherit;color:inherit}
    button{appearance:none}
    .container{width:min(1180px,calc(100% - 32px));max-width:1180px;margin-inline:auto}
    .section{position:relative;padding:clamp(66px,8vw,104px) 0}
    .section-alt{background:linear-gradient(180deg,var(--bg2),var(--bg))}
    .section-line{border-top:1px solid var(--line)}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      font-size:.72rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
      color:var(--cyan);background:rgba(34,211,238,.1);
      border:1px solid rgba(34,211,238,.3);border-radius:999px;
      padding:6px 14px;margin-bottom:18px;
    }
    .lead{color:var(--muted);font-size:1.02rem;max-width:62ch}
    .section-head{display:grid;grid-template-columns:minmax(0,.9fr) minmax(280px,.65fr);gap:28px;align-items:end;margin-bottom:38px}
    .section-head h2,.section-heading{font-size:clamp(1.65rem,3.2vw,2.65rem);font-weight:800;line-height:1.2;letter-spacing:-.02em;margin:0}
    .section-head p{margin:0;color:var(--muted);line-height:1.65}
    .text-cyan{color:var(--cyan)}
    .text-lime{color:var(--lime)}
    .text-gold{color:var(--gold)}
    .text-pink{color:var(--pink)}

    .site-header{
      position:sticky;top:0;z-index:1040;
      background:rgba(6,6,15,.86);
      border-bottom:1px solid var(--line);
      backdrop-filter:blur(14px);
      -webkit-backdrop-filter:blur(14px);
    }
    .nav-bar{display:flex;align-items:center;gap:16px;min-height:72px}
    .brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
    .brand-mark{
      width:40px;height:40px;border-radius:13px;flex-shrink:0;
      background:linear-gradient(135deg,var(--cyan),var(--violet));
      display:grid;place-items:center;
      color:#03131b;font-weight:800;font-size:.92rem;letter-spacing:-.03em;
      box-shadow:0 0 20px rgba(34,211,238,.32);
    }
    .brand-text{font-weight:800;font-size:1rem;line-height:1.15}
    .brand-text small{display:block;font-size:.66rem;font-weight:500;color:var(--muted);letter-spacing:.05em;text-transform:uppercase;margin-top:2px}
    .nav-links{display:flex;align-items:center;gap:2px;margin-left:auto}
    .nav-links a{padding:9px 14px;border-radius:999px;font-size:.9rem;font-weight:500;color:var(--muted);white-space:nowrap}
    .nav-links a:hover{color:var(--txt);background:rgba(255,255,255,.06)}
    .nav-links a.active{color:var(--txt);background:rgba(34,211,238,.12);box-shadow:inset 0 0 0 1px rgba(34,211,238,.35)}
    .btn-main{
      display:inline-flex;align-items:center;justify-content:center;gap:9px;
      padding:12px 24px;border-radius:999px;border:0;cursor:pointer;
      font-weight:700;font-size:.94rem;line-height:1.2;
      color:#04121a;background:linear-gradient(120deg,var(--cyan) 0%,#5EEAD4 52%,var(--lime) 100%);
      box-shadow:0 0 20px rgba(34,211,238,.35);
      transition:transform .2s ease,box-shadow .25s ease,filter .2s ease;
    }
    .btn-main:hover{color:#04121a;transform:translateY(-2px);box-shadow:0 0 30px rgba(34,211,238,.55);filter:brightness(1.06)}
    .btn-main:active{transform:translateY(0) scale(.98)}
    .btn-main:focus-visible{outline:3px solid rgba(163,230,53,.55);outline-offset:3px}
    .btn-ghost{
      display:inline-flex;align-items:center;justify-content:center;gap:9px;
      padding:11px 22px;border-radius:999px;cursor:pointer;
      font-weight:600;font-size:.94rem;
      color:var(--txt);background:transparent;border:1px solid rgba(148,163,184,.42);
      transition:border-color .2s ease,background-color .2s ease,transform .2s ease;
    }
    .btn-ghost:hover{color:var(--cyan);border-color:rgba(34,211,238,.6);background:rgba(34,211,238,.08);transform:translateY(-2px)}
    .btn-ghost:focus-visible{outline:3px solid rgba(34,211,238,.5);outline-offset:3px}
    .btn-sm{padding:9px 18px;font-size:.86rem}
    .nav-cta{margin-left:10px}
    .nav-toggle{
      display:none;width:44px;height:44px;border-radius:12px;
      background:rgba(255,255,255,.06);border:1px solid var(--line);
      color:var(--txt);cursor:pointer;margin-left:auto;
    }
    .nav-drawer{display:none}
    .nav-drawer.open{display:block;padding:12px 0 20px;border-top:1px solid var(--line)}
    .nav-drawer a{display:block;padding:12px 4px;font-size:.95rem;color:var(--muted);border-bottom:1px solid rgba(148,163,184,.1)}
    .nav-drawer a.active{color:var(--cyan)}
    .nav-drawer .btn-main{width:100%;margin-top:14px}

    .hero{position:relative;overflow:hidden;padding:clamp(56px,8vw,108px) 0 0;background:#03030A}
    .hero-bg{
      position:absolute;inset:0;
      background-image:url('/assets/images/2720e16fdcea355b.jpg');
      background-size:cover;background-position:center;
      opacity:.34;filter:saturate(1.08) contrast(1.04);
    }
    .hero-veil{
      position:absolute;inset:0;
      background:
        radial-gradient(900px 540px at 8% 6%,rgba(124,58,237,.52),transparent 64%),
        radial-gradient(820px 460px at 92% 10%,rgba(34,211,238,.32),transparent 60%),
        linear-gradient(180deg,rgba(6,6,15,.54) 0%,rgba(6,6,15,.9) 72%,#06060F 100%);
    }
    .hero-grid{
      position:relative;z-index:2;
      display:grid;grid-template-columns:minmax(0,1.12fr) minmax(360px,.88fr);
      gap:clamp(28px,5vw,68px);align-items:center;
      padding-bottom:56px;
    }
    .hero h1{
      font-size:clamp(2rem,5.25vw,4.5rem);
      line-height:1.08;
      letter-spacing:-.045em;
      font-weight:800;
      margin:0 0 20px;
      max-width:900px;
    }
    .hero h1 .hl{
      background:linear-gradient(120deg,var(--cyan),var(--lime));
      -webkit-background-clip:text;background-clip:text;color:transparent;
    }
    .hero-copy{font-size:clamp(1rem,1.35vw,1.12rem);color:#CBD5E1;max-width:68ch;margin-bottom:24px}
    .hero-points{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px}
    .chip{
      display:inline-flex;align-items:center;gap:8px;
      padding:8px 15px;border-radius:999px;font-size:.83rem;font-weight:600;
      background:rgba(255,255,255,.055);border:1px solid var(--line);color:#CBD5E1;
    }
    .chip i{color:var(--cyan)}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px}
    .hero-console{
      position:relative;
      background:linear-gradient(160deg,rgba(23,23,51,.96),rgba(12,12,28,.96));
      border:1px solid rgba(34,211,238,.28);
      border-radius:24px;
      padding:clamp(22px,3vw,32px);
      box-shadow:0 0 0 1px rgba(124,58,237,.18),var(--shadow);
      overflow:hidden;
    }
    .hero-console::before{
      content:"";position:absolute;inset:0;pointer-events:none;
      background:
        linear-gradient(rgba(34,211,238,.055) 1px,transparent 1px),
        linear-gradient(90deg,rgba(34,211,238,.055) 1px,transparent 1px);
      background-size:32px 32px;
      mask-image:linear-gradient(to bottom,black,transparent 82%);
    }
    .console-top{position:relative;display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:24px}
    .console-label{font-size:.72rem;text-transform:uppercase;letter-spacing:.14em;color:var(--muted);font-weight:700}
    .live-badge{display:inline-flex;align-items:center;gap:7px;font-size:.78rem;color:var(--success);font-weight:700}
    .live-dot{width:8px;height:8px;border-radius:50%;background:var(--success);box-shadow:0 0 0 5px rgba(52,211,153,.12);animation:pulse 1.8s infinite}
    @keyframes pulse{50%{opacity:.45;box-shadow:0 0 0 9px rgba(52,211,153,.03)}}
    .fps-ring{
      position:relative;width:154px;height:154px;margin:6px auto 22px;
      border-radius:50%;
      background:conic-gradient(var(--lime) 0 88%,rgba(148,163,184,.14) 88% 100%);
      display:grid;place-items:center;
      box-shadow:0 0 32px rgba(163,230,53,.18);
    }
    .fps-ring::before{content:"";position:absolute;inset:10px;border-radius:50%;background:#0D0D1F;border:1px solid rgba(255,255,255,.08)}
    .fps-ring strong{position:relative;font-size:2.4rem;line-height:1;letter-spacing:-.06em}
    .fps-ring span{position:relative;display:block;text-align:center;font-size:.72rem;color:var(--muted);margin-top:6px}
    .console-metrics{position:relative;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
    .console-metric{padding:14px;border-radius:14px;background:rgba(255,255,255,.04);border:1px solid var(--line)}
    .console-metric strong{display:block;font-size:1.16rem;color:var(--cyan)}
    .console-metric span{font-size:.78rem;color:var(--muted)}
    .countdown-bar{
      position:relative;z-index:2;
      background:linear-gradient(90deg,rgba(244,63,94,.16),rgba(124,58,237,.18),rgba(34,211,238,.16));
      border-top:1px solid rgba(255,255,255,.1);
      border-bottom:1px solid rgba(255,255,255,.08);
      backdrop-filter:blur(12px);
    }
    .countdown-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:16px 0;flex-wrap:wrap}
    .countdown-title{display:flex;align-items:center;gap:10px;font-weight:700}
    .countdown-title i{color:var(--gold)}
    .countdown-time{display:flex;gap:8px;align-items:center}
    .time-box{min-width:58px;text-align:center;padding:7px 10px;border-radius:10px;background:rgba(0,0,0,.36);border:1px solid rgba(255,255,255,.12)}
    .time-box strong{display:block;font-size:1.05rem;line-height:1.1}
    .time-box small{font-size:.62rem;color:var(--muted);text-transform:uppercase}

    .metric-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:24px}
    .metric-main{
      padding:clamp(24px,4vw,42px);
      border-radius:22px;
      border:1px solid rgba(34,211,238,.24);
      background:linear-gradient(145deg,rgba(23,23,51,.86),rgba(12,12,28,.92));
      box-shadow:var(--shadow-soft);
    }
    .metric-main h3{font-size:clamp(1.4rem,3vw,2.15rem);line-height:1.22;margin:0 0 14px;font-weight:800}
    .progress-list{display:grid;gap:20px;margin-top:28px}
    .progress-item{display:grid;gap:8px}
    .progress-label{display:flex;justify-content:space-between;gap:12px;font-size:.9rem;color:#CBD5E1}
    .progress-track{height:9px;border-radius:999px;background:rgba(148,163,184,.13);overflow:hidden}
    .progress-fill{height:100%;width:0;border-radius:inherit;background:linear-gradient(90deg,var(--cyan),var(--lime));transition:width 1.1s cubic-bezier(.2,.8,.2,1)}
    .metric-side{display:grid;gap:16px}
    .metric-tile{padding:22px;border-radius:18px;background:var(--panel);border:1px solid var(--line);box-shadow:var(--shadow-soft)}
    .metric-tile i{font-size:1.2rem;color:var(--cyan);margin-bottom:12px}
    .metric-tile strong{display:block;font-size:1.62rem;line-height:1.1;margin-bottom:7px}
    .metric-tile span{font-size:.88rem;color:var(--muted)}

    .split-feature{display:grid;grid-template-columns:minmax(320px,.86fr) minmax(0,1.14fr);gap:clamp(28px,5vw,66px);align-items:center}
    .feature-visual{position:relative;border-radius:24px;overflow:hidden;border:1px solid rgba(34,211,238,.22);box-shadow:var(--shadow);background:var(--panel)}
    .feature-visual img{width:100%;aspect-ratio:4/3;object-fit:cover}
    .feature-visual::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 36%,rgba(6,6,15,.76));pointer-events:none}
    .visual-caption{position:absolute;z-index:2;left:22px;right:22px;bottom:20px}
    .visual-caption strong{display:block;font-size:1.08rem}
    .visual-caption span{font-size:.82rem;color:#CBD5E1}
    .feature-content h2{font-size:clamp(1.7rem,3.4vw,2.75rem);line-height:1.18;margin:0 0 18px;font-weight:800}
    .feature-list{display:grid;gap:0;margin-top:24px}
    .feature-item{display:grid;grid-template-columns:48px minmax(0,1fr);gap:16px;padding:18px 0;border-top:1px solid var(--line)}
    .feature-item:last-child{border-bottom:1px solid var(--line)}
    .feature-icon{width:44px;height:44px;border-radius:13px;display:grid;place-items:center;background:rgba(34,211,238,.1);border:1px solid rgba(34,211,238,.28);color:var(--cyan)}
    .feature-item h3{font-size:1rem;margin:0 0 5px;font-weight:700}
    .feature-item p{margin:0;color:var(--muted);font-size:.91rem}

    .rhythm-band{
      position:relative;overflow:hidden;
      background:
        linear-gradient(90deg,rgba(6,6,15,.98),rgba(6,6,15,.78)),
        url('/assets/images/07098fdd8693472a.jpg') center/cover;
      border-block:1px solid var(--line);
    }
    .rhythm-layout{display:grid;grid-template-columns:minmax(0,.78fr) minmax(0,1.22fr);gap:42px}
    .rhythm-sticky{position:sticky;top:110px;align-self:start}
    .rhythm-sticky h2{font-size:clamp(1.75rem,3.5vw,2.8rem);line-height:1.18;margin:0 0 16px}
    .timeline{display:grid;gap:14px}
    .timeline-item{
      display:grid;grid-template-columns:56px minmax(0,1fr);
      gap:18px;padding:22px;border-radius:18px;
      background:rgba(17,17,40,.82);border:1px solid var(--line);
      transition:transform .22s ease,border-color .22s ease,background-color .22s ease;
    }
    .timeline-item:hover{transform:translateX(6px);border-color:rgba(34,211,238,.4);background:rgba(23,23,51,.95)}
    .timeline-index{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,rgba(34,211,238,.18),rgba(124,58,237,.22));color:var(--cyan);font-weight:800}
    .timeline-item h3{margin:0 0 6px;font-size:1.02rem}
    .timeline-item p{margin:0;color:var(--muted);font-size:.91rem}

    .scenario-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:18px}
    .scenario-card{
      position:relative;overflow:hidden;border-radius:18px;
      background:var(--panel);border:1px solid var(--line);
      padding:24px;min-height:230px;
      transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
    }
    .scenario-card:hover{transform:translateY(-5px);border-color:rgba(163,230,53,.42);box-shadow:0 18px 38px rgba(0,0,0,.42)}
    .scenario-card:nth-child(1){grid-column:span 7}
    .scenario-card:nth-child(2){grid-column:span 5}
    .scenario-card:nth-child(3){grid-column:span 4}
    .scenario-card:nth-child(4){grid-column:span 4}
    .scenario-card:nth-child(5){grid-column:span 4}
    .scenario-number{font-size:.74rem;font-weight:800;color:var(--cyan);letter-spacing:.12em;text-transform:uppercase}
    .scenario-card h3{font-size:1.18rem;margin:28px 0 10px}
    .scenario-card p{margin:0;color:var(--muted);font-size:.92rem}
    .scenario-card i.deco{position:absolute;right:20px;top:20px;font-size:2rem;color:rgba(34,211,238,.16)}

    .compare-wrap{display:grid;grid-template-columns:minmax(0,.84fr) minmax(0,1.16fr);gap:36px;align-items:start}
    .compare-summary{padding:30px;border-radius:22px;background:linear-gradient(145deg,rgba(124,58,237,.15),rgba(34,211,238,.07));border:1px solid rgba(124,58,237,.3)}
    .compare-summary h2{font-size:clamp(1.7rem,3.3vw,2.65rem);line-height:1.18;margin:0 0 16px}
    .compare-summary p{color:#CBD5E1;margin-bottom:24px}
    .score-stack{display:grid;gap:12px}
    .score-row{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:12px 0;border-top:1px solid rgba(255,255,255,.1)}
    .score-row span{color:var(--muted);font-size:.88rem}
    .score-row strong{font-size:1.06rem}
    .compare-table{
      border-radius:20px;overflow:hidden;border:1px solid var(--line);background:rgba(17,17,40,.76);
    }
    .compare-head,.compare-row{display:grid;grid-template-columns:1.25fr .78fr .78fr;gap:14px;padding:16px 20px;align-items:center}
    .compare-head{font-size:.72rem;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);background:rgba(255,255,255,.035);border-bottom:1px solid var(--line)}
    .compare-row{border-bottom:1px solid rgba(148,163,184,.1)}
    .compare-row:last-child{border-bottom:0}
    .compare-row span:first-child{color:#E2E8F0}
    .compare-row strong{font-size:.9rem}
    .compare-row .good{color:var(--lime)}
    .compare-row .warn{color:var(--warning)}
    .compare-note{padding:16px 20px;color:var(--muted);font-size:.82rem;background:rgba(0,0,0,.18)}

    .trust-layout{display:grid;grid-template-columns:minmax(0,1.06fr) minmax(300px,.94fr);gap:30px;align-items:stretch}
    .trust-main{padding:clamp(24px,4vw,40px);border-radius:22px;border:1px solid var(--line);background:var(--panel);box-shadow:var(--shadow-soft)}
    .trust-main h2{font-size:clamp(1.65rem,3.3vw,2.6rem);line-height:1.18;margin:0 0 16px}
    .trust-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:26px}
    .trust-point{padding:18px;border-radius:14px;background:rgba(255,255,255,.035);border:1px solid var(--line)}
    .trust-point strong{display:block;margin-bottom:5px}
    .trust-point span{color:var(--muted);font-size:.85rem}
    .trust-side{display:flex;flex-direction:column;gap:16px}
    .payment-panel{padding:26px;border-radius:22px;background:linear-gradient(150deg,rgba(34,211,238,.13),rgba(124,58,237,.12));border:1px solid rgba(34,211,238,.28)}
    .payment-panel h3{font-size:1.16rem;margin:0 0 8px}
    .payment-panel p{color:var(--muted);font-size:.9rem;margin-bottom:18px}
    .pay-badges{display:flex;flex-wrap:wrap;gap:8px}
    .pay-badge{padding:8px 12px;border-radius:10px;background:rgba(0,0,0,.28);border:1px solid rgba(255,255,255,.11);font-size:.78rem;font-weight:700}
    .review-band{padding:24px;border-radius:22px;background:var(--bg2);border:1px solid var(--line)}
    .stars{color:var(--gold);letter-spacing:.08em;margin-bottom:10px}
    .review-band blockquote{margin:0;font-weight:600}
    .review-band p{color:var(--muted);font-size:.84rem;margin:12px 0 0}

    .faq-layout{display:grid;grid-template-columns:minmax(260px,.66fr) minmax(0,1.34fr);gap:36px;align-items:start}
    .faq-intro h2{font-size:clamp(1.7rem,3.4vw,2.7rem);line-height:1.18;margin:0 0 14px}
    .faq-intro p{color:var(--muted)}
    .faq-list{display:grid;gap:12px}
    .faq-item{border:1px solid var(--line);border-radius:16px;background:var(--panel);overflow:hidden}
    .faq-item summary{
      list-style:none;cursor:pointer;padding:20px 22px;
      display:flex;align-items:center;justify-content:space-between;gap:18px;
      font-weight:700;
    }
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary::after{content:"+";font-size:1.35rem;color:var(--cyan);transition:transform .2s ease}
    .faq-item[open] summary::after{transform:rotate(45deg)}
    .faq-item p{margin:0;padding:0 22px 22px;color:var(--muted);font-size:.92rem}
    .faq-item summary:focus-visible{outline:2px solid var(--cyan);outline-offset:-2px}

    .conversion{
      position:relative;overflow:hidden;
      background:
        linear-gradient(90deg,rgba(6,6,15,.97),rgba(6,6,15,.75)),
        url('/assets/images/23a4022e7416abad.jpg') center/cover;
      border-top:1px solid var(--line);
    }
    .conversion-grid{display:grid;grid-template-columns:minmax(0,.9fr) minmax(360px,.72fr);gap:44px;align-items:center}
    .conversion-copy h2{font-size:clamp(1.8rem,3.8vw,3rem);line-height:1.15;margin:0 0 16px;font-weight:800}
    .conversion-copy p{color:#CBD5E1;max-width:58ch}
    .claim-form{padding:28px;border-radius:22px;background:rgba(17,17,40,.94);border:1px solid rgba(34,211,238,.28);box-shadow:var(--shadow)}
    .claim-form h3{margin:0 0 6px;font-size:1.2rem}
    .form-note{font-size:.82rem;color:var(--muted);margin-bottom:18px}
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
    .field{display:grid;gap:7px}
    .field.full{grid-column:1/-1}
    .field label{font-size:.82rem;font-weight:600;color:#CBD5E1}
    .field input,.field select{
      width:100%;min-height:48px;border-radius:12px;
      border:1px solid rgba(148,163,184,.25);
      background:rgba(6,6,15,.72);color:var(--txt);
      padding:11px 13px;outline:none;
      transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
    }
    .field input:focus,.field select:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(34,211,238,.14);background:rgba(6,6,15,.92)}
    .claim-form .btn-main{width:100%;margin-top:16px}
    .form-legal{font-size:.75rem;color:var(--muted);margin:12px 0 0;text-align:left}

    .ft{
      background:#04040B;border-top:1px solid var(--line);padding:52px 0 24px;
      color:var(--muted);
    }
    .wrap{width:min(1180px,calc(100% - 32px));margin-inline:auto}
    .ft-grid{display:grid;grid-template-columns:minmax(290px,1.15fr) repeat(3,minmax(170px,.62fr));gap:30px}
    .ft-logo{display:flex;gap:12px;align-items:flex-start;color:var(--txt);font-weight:800;line-height:1.45;margin-bottom:16px}
    .ft-logo-mark{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;flex:0 0 auto;background:linear-gradient(135deg,var(--cyan),var(--violet));color:#03131b}
    .ft-brand p{font-size:.84rem;line-height:1.7;margin:0 0 16px}
    .ft-tags{display:flex;flex-wrap:wrap;gap:7px}
    .ft-tags span{font-size:.7rem;padding:5px 9px;border-radius:999px;background:rgba(255,255,255,.045);border:1px solid var(--line)}
    .ft-col h3{font-size:.82rem;color:var(--txt);text-transform:uppercase;letter-spacing:.1em;margin:4px 0 14px}
    .ft-col ul{list-style:none;padding:0;margin:0;display:grid;gap:9px}
    .ft-col a{font-size:.84rem;color:var(--muted)}
    .ft-col a:hover{color:var(--cyan)}
    .ft-bottom{border-top:1px solid var(--line);margin-top:38px;padding-top:22px;display:grid;gap:18px}
    .ft-note{display:flex;gap:12px;align-items:flex-start}
    .ft-note p{font-size:.78rem;margin:0}
    .ft-badge{display:inline-flex;align-items:center;justify-content:center;min-width:42px;height:26px;border-radius:8px;background:rgba(244,63,94,.14);border:1px solid rgba(244,63,94,.35);color:#FDA4AF;font-size:.7rem;font-weight:800}
    .ft-copy{font-size:.76rem;margin:0;color:#64748B}

    .fab{
      position:fixed;left:16px;bottom:96px;z-index:50;
      width:56px;height:56px;border-radius:50%;
      display:grid;place-items:center;
      color:#061018;background:linear-gradient(135deg,var(--cyan),var(--lime));
      border:2px solid rgba(255,255,255,.35);
      box-shadow:0 0 24px rgba(34,211,238,.42);
      opacity:.86;
      animation:floatFab 2.8s ease-in-out infinite;
      transition:transform .25s ease,opacity .25s ease,box-shadow .25s ease;
    }
    .fab:hover{color:#061018;opacity:1;transform:scale(1.1) rotate(8deg);box-shadow:0 0 34px rgba(34,211,238,.65)}
    .fab:active{transform:scale(.95) translateY(3px)}
    .fab::after{content:"";position:absolute;top:3px;right:3px;width:12px;height:12px;border-radius:50%;background:var(--pink);border:2px solid #fff}
    @keyframes floatFab{50%{transform:translateY(-7px)}}

    @media (max-width: 1100px){
      .nav-links a{padding-inline:10px;font-size:.84rem}
      .brand-text{font-size:.92rem}
      .hero-grid{grid-template-columns:1fr;max-width:850px}
      .hero-console{max-width:640px}
      .metric-grid,.split-feature,.rhythm-layout,.compare-wrap,.trust-layout,.faq-layout,.conversion-grid{grid-template-columns:1fr}
      .rhythm-sticky{position:static}
      .section-head{grid-template-columns:1fr}
      .ft-grid{grid-template-columns:1.1fr 1fr 1fr}
      .ft-brand{grid-column:1/-1}
    }
    @media (max-width: 820px){
      .nav-links{display:none}
      .nav-toggle{display:grid;place-items:center}
      .nav-cta{display:inline-flex;margin-left:auto}
      .nav-toggle{margin-left:0}
      .ft-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
      .scenario-card:nth-child(n){grid-column:span 6}
      .compare-head,.compare-row{grid-template-columns:1.1fr .8fr .8fr;padding-inline:14px}
    }
    @media (max-width: 620px){
      .container,.wrap{width:min(100% - 24px,1180px)}
      .brand-text small{display:none}
      .brand-text{font-size:.82rem;max-width:125px}
      .nav-cta{font-size:.78rem;padding:9px 12px}
      .nav-cta span{display:none}
      .hero{padding-top:42px}
      .hero h1{font-size:clamp(1.8rem,10vw,3rem)}
      .hero-console{padding:20px}
      .console-metrics,.trust-grid,.form-grid{grid-template-columns:1fr}
      .countdown-inner{align-items:flex-start;flex-direction:column}
      .countdown-time{width:100%;justify-content:space-between}
      .time-box{flex:1;min-width:0}
      .scenario-card:nth-child(n){grid-column:1/-1}
      .compare-head{display:none}
      .compare-row{grid-template-columns:1fr auto auto;gap:8px;font-size:.84rem}
      .compare-row span:first-child{min-width:0}
      .ft-grid{grid-template-columns:1fr}
      .ft-brand{grid-column:auto}
      .fab{left:12px;bottom:88px;width:54px;height:54px}
    }
    @media (prefers-reduced-motion: reduce){
      *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;scroll-behavior:auto !important;transition-duration:.01ms !important}
    }

/* 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}