/* roulang page: index */
:root{
  --bg:#030712;
  --bg-deep:#081229;
  --bg-soft:#0A1730;
  --panel:rgba(255,255,255,.045);
  --panel-strong:rgba(10,23,48,.78);
  --line:rgba(56,189,248,.18);
  --line-strong:rgba(56,189,248,.48);
  --txt:#F8FAFC;
  --txt-2:#94A3B8;
  --txt-3:#CBD5E1;
  --blue:#2563EB;
  --cyan:#38BDF8;
  --holo:#60A5FA;
  --gold:#FBBF24;
  --green:#34D399;
  --danger:#F43F5E;
  --r-sm:10px;
  --r:16px;
  --r-lg:24px;
  --r-pill:999px;
  --sp-section:clamp(52px,6.4vw,92px);
  --shadow:0 20px 55px rgba(2,8,23,.65);
  --glow:0 0 26px rgba(56,189,248,.42);
  --ff:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--ff);
  background:var(--bg);
  color:var(--txt);
  font-size:16px;
  line-height:1.62;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background:
    radial-gradient(900px 520px at 10% -8%, rgba(37,99,235,.26), transparent 62%),
    radial-gradient(820px 520px at 100% 4%, rgba(56,189,248,.16), transparent 58%),
    linear-gradient(180deg, rgba(8,18,41,.65), rgba(3,7,18,0) 40%);
}
img{max-width:100%;display:block}
a{color:var(--cyan);text-decoration:none;transition:color .2s ease,opacity .2s ease}
a:hover{color:#7DD3FC}
h1,h2,h3,h4{font-weight:800;line-height:1.24;margin:0 0 14px;letter-spacing:-.01em}
h1{font-size:clamp(1.85rem,4vw,3.05rem)}
h2{font-size:clamp(1.45rem,2.7vw,2.15rem)}
h3{font-size:clamp(1.1rem,1.7vw,1.32rem)}
p{margin:0 0 14px;color:var(--txt-3)}
ul,ol{margin:0 0 14px;padding-left:1.1rem}
li{color:var(--txt-3);margin-bottom:6px}
strong{color:#fff}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}
main,header,footer{position:relative;z-index:1}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.app-container{max-width:1220px}

/* ============ HEADER ============ */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:1000;
  background:rgba(3,7,18,.82);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;gap:20px;height:74px}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;flex-shrink:0}
.brand-mark{
  width:42px;height:42px;border-radius:13px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,var(--blue),var(--cyan));
  color:#03111F;font-size:1.05rem;
  box-shadow:0 0 20px rgba(56,189,248,.5);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{color:#fff;font-size:1.05rem;font-weight:800;letter-spacing:.2px}
.brand-text small{color:var(--txt-2);font-size:.67rem;letter-spacing:.5px;text-transform:uppercase}
.nav-links{display:flex;align-items:center;gap:4px;list-style:none;margin:0;padding:0;flex:1}
.nav-links li{margin:0}
.nav-links a{
  display:block;
  padding:9px 14px;
  border-radius:var(--r-pill);
  color:var(--txt-3);
  font-size:.92rem;
  font-weight:500;
  white-space:nowrap;
  border:1px solid transparent;
}
.nav-links a:hover{color:#fff;background:rgba(56,189,248,.1);border-color:var(--line)}
.nav-links a.active{
  color:#EAF6FF;
  background:linear-gradient(135deg,rgba(37,99,235,.35),rgba(56,189,248,.22));
  border-color:var(--line-strong);
}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.btn-ghost{
  display:inline-flex;align-items:center;gap:7px;
  padding:9px 16px;border-radius:var(--r-pill);
  border:1px solid var(--line-strong);
  background:rgba(56,189,248,.07);
  color:#DCF2FF;font-size:.88rem;font-weight:600;
}
.btn-ghost:hover{color:#fff;background:rgba(56,189,248,.16);border-color:var(--cyan)}
.btn-neon{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 20px;border-radius:var(--r-pill);
  border:0;
  background:linear-gradient(135deg,var(--blue),var(--cyan));
  color:#02121F;font-size:.9rem;font-weight:800;
  box-shadow:0 0 22px rgba(56,189,248,.45);
}
.btn-neon:hover{color:#02121F;transform:translateY(-2px);box-shadow:0 0 34px rgba(56,189,248,.72)}
.btn-neon.lg,.btn-ghost.lg{padding:14px 28px;font-size:.98rem}
.nav-toggle{
  display:none;
  width:44px;height:44px;border-radius:12px;
  background:rgba(56,189,248,.1);
  border:1px solid var(--line);
  color:#DCF2FF;font-size:1.1rem;cursor:pointer;
}

/* ============ HERO ============ */
.hero{
  position:relative;
  padding:150px 0 70px;
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.hero-bg{
  position:absolute;inset:0;
  background:url("/assets/images/c3de5c60095b2ab3.jpg") center/cover no-repeat;
  opacity:.3;
  filter:saturate(1.15);
}
.hero-veil{
  position:absolute;inset:0;
  background:
    linear-gradient(100deg,rgba(3,7,18,.96) 8%,rgba(3,7,18,.72) 48%,rgba(3,7,18,.45) 100%),
    radial-gradient(700px 380px at 80% 20%, rgba(37,99,235,.32), transparent 65%);
}
.hero-inner{position:relative;display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,.95fr);gap:38px;align-items:center}
.hero-badge{
  display:inline-flex;align-items:center;gap:9px;
  padding:7px 15px;border-radius:var(--r-pill);
  background:rgba(56,189,248,.12);
  border:1px solid var(--line-strong);
  color:#BFE9FF;font-size:.76rem;font-weight:700;
  letter-spacing:1.1px;text-transform:uppercase;
  margin-bottom:18px;
}
.hero h1{margin-bottom:16px}
.hero h1 .hl{
  background:linear-gradient(120deg,var(--cyan),var(--holo) 60%,#A5F3FC);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;
}
.hero-lead{font-size:1.02rem;color:#C9DCEE;max-width:640px}
.hero-cta{display:flex;flex-wrap:wrap;gap:13px;margin:24px 0 20px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 22px;list-style:none;padding:0;margin:0}
.hero-points li{display:flex;align-items:center;gap:8px;color:var(--txt-2);font-size:.88rem;margin:0}
.hero-points i{color:var(--cyan)}
.countdown{
  background:rgba(8,18,41,.72);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:22px;
  backdrop-filter:blur(14px);
  box-shadow:var(--shadow);
}
.countdown h3{font-size:.95rem;color:#DCF2FF;margin-bottom:6px;text-transform:uppercase;letter-spacing:1px}
.countdown p{font-size:.86rem;margin-bottom:16px;color:var(--txt-2)}
.cd-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-bottom:18px}
.cd-cell{
  background:rgba(3,7,18,.78);
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  padding:12px 6px;text-align:center;
}
.cd-cell b{display:block;font-size:1.42rem;color:#fff;font-variant-numeric:tabular-nums}
.cd-cell span{font-size:.66rem;color:var(--txt-2);text-transform:uppercase;letter-spacing:.9px}
.cd-bar{height:7px;border-radius:999px;background:rgba(255,255,255,.08);overflow:hidden;margin-bottom:16px}
.cd-bar i{display:block;height:100%;width:62%;background:linear-gradient(90deg,var(--blue),var(--cyan));box-shadow:0 0 14px rgba(56,189,248,.7)}
.cd-note{font-size:.78rem;color:var(--txt-2);margin:0}

/* ============ SECTIONS ============ */
.section{padding:var(--sp-section) 0;position:relative}
.section--alt{background:linear-gradient(180deg,rgba(8,18,41,.72),rgba(3,7,18,.1));border-top:1px solid rgba(56,189,248,.1);border-bottom:1px solid rgba(56,189,248,.1)}
.section--deep{background:linear-gradient(180deg,#050C1C,#030712)}
.section-head{max-width:790px;margin-bottom:38px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.74rem;font-weight:700;letter-spacing:1.4px;text-transform:uppercase;
  color:var(--cyan);margin-bottom:12px;
}
.eyebrow::before{content:"";width:26px;height:2px;background:linear-gradient(90deg,var(--cyan),transparent)}
.section-head p{color:var(--txt-2);font-size:.98rem;margin:0}
.glass{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--r);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
}
.grid{display:grid;gap:20px}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}

/* metrics */
.metric{padding:24px 22px;border-radius:var(--r);background:var(--panel);border:1px solid var(--line);transition:.25s}
.metric:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--glow)}
.metric i{font-size:1.3rem;color:var(--cyan);margin-bottom:12px;display:block}
.metric b{display:block;font-size:1.75rem;color:#fff;font-weight:800;letter-spacing:-.02em}
.metric span{display:block;color:var(--txt-2);font-size:.86rem;margin-top:4px}

/* feature split */
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.08fr);gap:40px;align-items:center}
.split-media{position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
.split-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.split-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 45%,rgba(3,7,18,.75))}
.split-media .tag-float{
  position:absolute;left:18px;bottom:18px;z-index:2;
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 15px;border-radius:var(--r-pill);
  background:rgba(3,7,18,.82);border:1px solid var(--line-strong);
  color:#CFF0FF;font-size:.78rem;font-weight:700;
}
.feature-list{list-style:none;padding:0;margin:0}
.feature-list li{display:flex;gap:14px;padding:14px 0;border-bottom:1px dashed rgba(148,163,184,.22);margin:0}
.feature-list li:last-child{border-bottom:0}
.feature-list i{color:var(--cyan);font-size:1.05rem;margin-top:4px}
.feature-list h3{font-size:1rem;margin-bottom:4px;color:#fff}
.feature-list p{margin:0;font-size:.9rem;color:var(--txt-2)}

/* game / channel cards */
.card-node{padding:24px;border-radius:var(--r);background:var(--panel);border:1px solid var(--line);transition:.25s;position:relative;overflow:hidden}
.card-node:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:0 0 26px rgba(56,189,248,.24)}
.card-node .ico{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(37,99,235,.5),rgba(56,189,248,.28));
  color:#DCF6FF;font-size:1.1rem;margin-bottom:14px;
}
.card-node h3{font-size:1.06rem;margin-bottom:8px}
.card-node p{font-size:.9rem;margin-bottom:14px;color:var(--txt-2)}
.tags{display:flex;flex-wrap:wrap;gap:7px}
.tag{
  font-size:.72rem;font-weight:600;
  padding:5px 11px;border-radius:var(--r-pill);
  background:rgba(56,189,248,.1);
  border:1px solid var(--line);
  color:#BFE9FF;letter-spacing:.3px;
}
.tag.gold{background:rgba(251,191,36,.12);border-color:rgba(251,191,36,.4);color:#FCD34D}
.tag.green{background:rgba(52,211,153,.12);border-color:rgba(52,211,153,.38);color:#6EE7B7}

/* payment strip */
.pay-strip{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.pay-badge{
  display:inline-flex;align-items:center;gap:9px;
  padding:12px 18px;border-radius:var(--r-sm);
  background:rgba(3,7,18,.7);border:1px solid var(--line);
  color:#E2F3FF;font-weight:600;font-size:.88rem;
}
.pay-badge i{color:var(--cyan)}
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r);background:rgba(8,18,41,.55)}
table.data-table{width:100%;border-collapse:collapse;min-width:560px}
.data-table th,.data-table td{padding:14px 18px;text-align:left;font-size:.9rem;border-bottom:1px solid rgba(148,163,184,.16)}
.data-table th{color:#DCF2FF;background:rgba(56,189,248,.09);font-weight:700;letter-spacing:.3px;text-transform:uppercase;font-size:.76rem}
.data-table td{color:var(--txt-3)}
.data-table tr:last-child td{border-bottom:0}
.data-table td strong{color:#fff}

/* steps */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;counter-reset:step}
.step{
  padding:26px 22px;border-radius:var(--r);
  background:linear-gradient(180deg,rgba(10,23,48,.85),rgba(3,7,18,.5));
  border:1px solid var(--line);position:relative;transition:.25s;
}
.step:hover{border-color:var(--line-strong);transform:translateY(-4px)}
.step b.num{
  display:inline-grid;place-items:center;width:36px;height:36px;border-radius:11px;
  background:linear-gradient(140deg,var(--blue),var(--cyan));
  color:#02121F;font-weight:800;margin-bottom:14px;font-size:.95rem;
}
.step h3{font-size:1rem;margin-bottom:7px}
.step p{font-size:.88rem;margin:0;color:var(--txt-2)}

/* progress module */
.progress-card{padding:26px;border-radius:var(--r);background:var(--panel);border:1px solid var(--line)}
.progress-row{margin-bottom:20px}
.progress-row:last-child{margin-bottom:0}
.progress-row .lbl{display:flex;justify-content:space-between;font-size:.88rem;color:var(--txt-3);margin-bottom:8px}
.progress-row .lbl b{color:#fff}
.track{height:9px;border-radius:999px;background:rgba(255,255,255,.08);overflow:hidden}
.track i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--blue),var(--cyan));box-shadow:0 0 14px rgba(56,189,248,.6)}
.track i.goldbar{background:linear-gradient(90deg,#F59E0B,#FCD34D);box-shadow:0 0 14px rgba(251,191,36,.5)}
.invite-box{
  padding:26px;border-radius:var(--r);
  background:linear-gradient(150deg,rgba(37,99,235,.28),rgba(56,189,248,.1));
  border:1px solid var(--line-strong);
}
.code-pill{
  display:inline-flex;align-items:center;gap:10px;
  padding:11px 18px;border-radius:var(--r-sm);
  background:rgba(3,7,18,.72);border:1px dashed var(--line-strong);
  color:#DFF4FF;font-weight:800;letter-spacing:2px;
}

/* leaderboard */
.board{list-style:none;padding:0;margin:0}
.board li{
  display:grid;grid-template-columns:44px 1fr auto;gap:14px;align-items:center;
  padding:14px 16px;border-radius:var(--r-sm);
  background:rgba(8,18,41,.6);border:1px solid var(--line);margin-bottom:10px;
}
.board li:nth-child(1) .rank{background:linear-gradient(140deg,#F59E0B,#FCD34D);color:#2A1A00}
.board li:nth-child(2) .rank{background:linear-gradient(140deg,#94A3B8,#E2E8F0);color:#101828}
.board li:nth-child(3) .rank{background:linear-gradient(140deg,#B45309,#FDBA74);color:#2A1200}
.rank{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;font-weight:800;font-size:.85rem;background:rgba(56,189,248,.16);color:#CFEFFF}
.board .who b{display:block;color:#fff;font-size:.94rem}
.board .who span{font-size:.78rem;color:var(--txt-2)}
.board .amt{font-weight:800;color:#7DF3C4;font-size:.95rem;white-space:nowrap}

/* wins wall */
.wall{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.wall-item{position:relative;border-radius:var(--r);overflow:hidden;border:1px solid var(--line);background:#081229}
.wall-item img{aspect-ratio:3/4;width:100%;object-fit:cover;opacity:.86;transition:.35s}
.wall-item:hover img{transform:scale(1.06);opacity:1}
.wall-cap{
  position:absolute;left:0;right:0;bottom:0;padding:14px;
  background:linear-gradient(180deg,transparent,rgba(3,7,18,.94));
}
.wall-cap b{display:block;color:#FFE9A8;font-size:.98rem}
.wall-cap span{font-size:.76rem;color:var(--txt-2)}

/* testimonials */
.quote{padding:24px;border-radius:var(--r);background:var(--panel);border:1px solid var(--line)}
.quote p{font-size:.93rem;color:#D6E5F5;margin-bottom:16px}
.quote .who{display:flex;align-items:center;gap:12px}
.avatar{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(140deg,var(--blue),var(--cyan));color:#04121F;font-weight:800}
.quote .who b{display:block;color:#fff;font-size:.9rem}
.quote .who span{font-size:.76rem;color:var(--txt-2)}
.stars{color:#FBBF24;font-size:.8rem;margin-bottom:10px;letter-spacing:2px}

/* policy block */
.policy-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.policy{padding:26px;border-radius:var(--r);background:linear-gradient(180deg,rgba(10,23,48,.8),rgba(3,7,18,.45));border:1px solid var(--line)}
.policy h3{display:flex;align-items:center;gap:10px;font-size:1.05rem}
.policy h3 i{color:var(--cyan)}
.policy ul{margin-bottom:0}
.policy li{font-size:.9rem}

/* comparison */
.compare-note{font-size:.84rem;color:var(--txt-2);margin-top:14px}
.cell-good{color:#7DF3C4 !important;font-weight:600}
.cell-bad{color:#FDA4AF !important}

/* news */
.news-item{
  display:grid;grid-template-columns:150px minmax(0,1fr);gap:18px;
  padding:16px;border-radius:var(--r);
  background:var(--panel);border:1px solid var(--line);
  margin-bottom:14px;
}
.news-item img{border-radius:var(--r-sm);aspect-ratio:4/3;object-fit:cover;width:100%}
.news-item h3{font-size:1.02rem;margin-bottom:8px}
.news-item h3 a{color:#fff}
.news-item h3 a:hover{color:var(--cyan)}
.news-item p{font-size:.88rem;margin-bottom:10px;color:var(--txt-2)}
.news-meta{display:flex;flex-wrap:wrap;gap:14px;font-size:.76rem;color:var(--txt-2)}
.news-meta i{color:var(--cyan);margin-right:5px}
.side-reco{padding:22px;border-radius:var(--r);background:linear-gradient(180deg,rgba(10,23,48,.85),rgba(3,7,18,.5));border:1px solid var(--line)}
.side-reco h3{font-size:1rem;margin-bottom:14px}
.reco-list{list-style:none;padding:0;margin:0}
.reco-list li{margin:0 0 12px;padding-left:16px;position:relative}
.reco-list li::before{content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px rgba(56,189,248,.8)}
.reco-list a{color:#D8E9F8;font-size:.9rem;font-weight:500}
.reco-list a:hover{color:var(--cyan)}
.empty-note{font-size:.9rem;color:var(--txt-2);padding:20px;border-radius:var(--r);border:1px dashed var(--line-strong);text-align:center}

/* category wall */
.chan{
  display:block;padding:28px;border-radius:var(--r);
  background:linear-gradient(160deg,rgba(37,99,235,.22),rgba(3,7,18,.55));
  border:1px solid var(--line);transition:.28s;height:100%;
}
.chan:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:0 0 28px rgba(56,189,248,.28)}
.chan i{font-size:1.35rem;color:var(--cyan);margin-bottom:14px;display:block}
.chan h3{font-size:1.1rem;color:#fff;margin-bottom:8px}
.chan p{font-size:.9rem;color:var(--txt-2);margin-bottom:14px}
.chan span.more{font-size:.84rem;font-weight:700;color:var(--cyan);letter-spacing:.4px}

/* timeline */
.timeline{list-style:none;margin:0;padding:0;position:relative}
.timeline::before{content:"";position:absolute;left:9px;top:6px;bottom:6px;width:2px;background:linear-gradient(180deg,var(--cyan),rgba(37,99,235,.1))}
.timeline li{position:relative;padding:0 0 24px 40px;margin:0}
.timeline li::before{content:"";position:absolute;left:2px;top:6px;width:16px;height:16px;border-radius:50%;background:#030712;border:2px solid var(--cyan);box-shadow:0 0 12px rgba(56,189,248,.65)}
.timeline b{display:block;color:#fff;font-size:.98rem;margin-bottom:4px}
.timeline span{font-size:.85rem;color:var(--txt-2);display:block}
.timeline em{font-style:normal;font-size:.76rem;color:var(--cyan);letter-spacing:.8px;text-transform:uppercase}

/* faq */
.faq-item{border:1px solid var(--line);border-radius:var(--r);background:rgba(8,18,41,.55);margin-bottom:12px;overflow:hidden}
.faq-q{
  width:100%;text-align:left;background:transparent;border:0;color:#fff;
  padding:18px 22px;font-weight:700;font-size:.98rem;cursor:pointer;
  display:flex;justify-content:space-between;align-items:center;gap:16px;font-family:var(--ff);
}
.faq-q i{color:var(--cyan);transition:transform .25s}
.faq-item.open .faq-q i{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease}
.faq-item.open .faq-a{max-height:420px}
.faq-a p{padding:0 22px 20px;margin:0;font-size:.92rem;color:var(--txt-2)}

/* CTA form */
.cta-box{
  padding:clamp(26px,4vw,46px);
  border-radius:var(--r-lg);
  background:linear-gradient(150deg,rgba(37,99,235,.34),rgba(8,18,41,.92) 62%);
  border:1px solid var(--line-strong);
  box-shadow:var(--shadow);
}
.form-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.field{margin-bottom:16px}
.field label{display:block;font-size:.83rem;color:#CFE4F5;margin-bottom:7px;font-weight:600}
.field input,.field select{
  width:100%;padding:13px 15px;border-radius:var(--r-sm);
  background:rgba(3,7,18,.78);border:1px solid var(--line);
  color:#fff;font-family:var(--ff);font-size:.92rem;
}
.field input::placeholder{color:#64748B}
.field input:focus,.field select:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(56,189,248,.18);outline:none;color:#fff}
.check{display:flex;gap:10px;align-items:flex-start;font-size:.82rem;color:var(--txt-2)}
.check input{width:17px;height:17px;margin-top:3px;accent-color:var(--cyan)}
.form-note{font-size:.78rem;color:var(--txt-2);margin:14px 0 0}
.assure{display:flex;flex-wrap:wrap;gap:16px;margin-top:22px}
.assure span{display:inline-flex;align-items:center;gap:8px;font-size:.83rem;color:#CDE8F8}
.assure i{color:var(--cyan)}

/* FAB */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:950;
  width:58px;height:58px;border-radius:var(--r-pill);
  display:grid;place-items:center;
  background:rgba(7,7,13,.82);
  backdrop-filter:blur(10px);
  border:2px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.88),rgba(7,7,13,.88)),linear-gradient(135deg,#38BDF8,#2563EB);
  background-origin:border-box;background-clip:padding-box,border-box;
  box-shadow:0 0 22px rgba(56,189,248,.45);
  opacity:.82;
  transition:.28s;
  animation:fabPulse 3.2s ease-in-out infinite;
}
.fab i{color:#9FE8FF;font-size:1.22rem}
.fab:hover{opacity:1;transform:scale(1.08);box-shadow:0 0 34px rgba(56,189,248,.8)}
.fab:active{transform:scale(.94)}
.fab-dot{position:absolute;top:2px;right:2px;width:12px;height:12px;border-radius:50%;background:#F43F5E;box-shadow:0 0 10px rgba(244,63,94,.9);border:2px solid #030712}
@keyframes fabPulse{0%,100%{box-shadow:0 0 18px rgba(56,189,248,.42)}50%{box-shadow:0 0 32px rgba(56,189,248,.75)}}

/* FOOTER */
.site-footer{
  background:linear-gradient(180deg,#050C1C,#030712);
  border-top:1px solid var(--line);
  padding:64px 0 28px;
  margin-top:10px;
}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:32px}
.foot-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.foot-brand .brand-mark{width:40px;height:40px;border-radius:12px}
.site-footer h4{font-size:.86rem;text-transform:uppercase;letter-spacing:1.2px;color:#DCF2FF;margin-bottom:16px}
.site-footer p{font-size:.88rem;color:var(--txt-2)}
.foot-list{list-style:none;padding:0;margin:0}
.foot-list li{margin-bottom:10px}
.foot-list a{color:var(--txt-2);font-size:.88rem}
.foot-list a:hover{color:var(--cyan)}
.foot-pay{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.foot-pay span{font-size:.72rem;padding:6px 11px;border-radius:var(--r-pill);background:rgba(56,189,248,.08);border:1px solid var(--line);color:#BFE9FF}
.foot-bottom{
  margin-top:40px;padding-top:22px;border-top:1px solid rgba(148,163,184,.16);
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;
  font-size:.8rem;color:#7C8CA3;
}
.foot-bottom .badges{display:flex;gap:10px;flex-wrap:wrap}
.badge-18{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:50%;border:1px solid rgba(244,63,94,.55);color:#FDA4AF;font-size:.72rem;font-weight:800}

/* RESPONSIVE */
@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:30px}
  .split{grid-template-columns:1fr;gap:28px}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .wall{grid-template-columns:repeat(2,minmax(0,1fr))}
  .foot-grid{grid-template-columns:1fr 1fr;gap:26px}
}
@media (max-width:992px){
  .nav-inner{height:68px;gap:12px}
  .nav-toggle{display:grid;place-items:center;order:2}
  .nav-actions{order:3;margin-left:auto}
  .nav-links{
    position:absolute;top:100%;left:0;right:0;
    flex-direction:column;align-items:stretch;
    background:rgba(3,7,18,.98);
    border-bottom:1px solid var(--line);
    padding:12px 18px 18px;
    gap:6px;
    display:none;
  }
  .nav-links.show{display:flex}
  .nav-links a{padding:12px 14px;font-size:.95rem}
  .brand-text small{display:none}
}
@media (max-width:768px){
  .hero{padding:120px 0 54px}
  .policy-grid{grid-template-columns:1fr}
  .grid-3,.grid-4{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .news-item{grid-template-columns:1fr}
  .news-item img{aspect-ratio:16/9}
  .cd-cell b{font-size:1.2rem}
}
@media (max-width:520px){
  .container{padding:0 15px}
  .brand-text strong{font-size:.95rem}
  .btn-ghost{padding:8px 12px;font-size:.8rem}
  .btn-neon{padding:9px 15px;font-size:.82rem}
  .steps,.wall{grid-template-columns:1fr}
  .board li{grid-template-columns:36px 1fr;row-gap:6px}
  .board .amt{grid-column:2}
  .foot-grid{grid-template-columns:1fr}
  .fab{left:14px;bottom:84px;width:54px;height:54px}
  .hero-cta .btn-neon,.hero-cta .btn-ghost{width:100%;justify-content:center}
}

.to-top{position:fixed;right:16px;bottom:24px;z-index:1030;width:46px;height:46px;border-radius:50%;display:grid;place-items:center;background:rgba(7,16,31,.82);backdrop-filter:blur(12px);border:1px solid rgba(37,99,235,.55);color:#EAF6FF;text-decoration:none;opacity:0;visibility:hidden;transform:translateY(10px);transition:.28s ease;}
  .to-top.show{opacity:1;visibility:visible;transform:translateY(0);}
  .to-top:hover{color:#22D3EE;border-color:rgba(34,211,238,.7);box-shadow:0 0 18px rgba(34,211,238,.45);}

  .fab-neon{position:fixed;left:16px;bottom:96px;z-index:1030;display:inline-flex;align-items:center;gap:8px;padding:12px 18px;border-radius:999px;background:rgba(7,16,31,.84);backdrop-filter:blur(14px);border:1px solid rgba(34,211,238,.55);box-shadow:0 0 20px rgba(6,182,212,.42);color:#EAF6FF;font-weight:600;font-size:.86rem;text-decoration:none;opacity:.85;transition:.28s ease;animation:fabPulse 2.6s ease-in-out infinite;}
  .fab-neon:hover{opacity:1;transform:scale(1.05);color:#FFFFFF;border-color:rgba(163,230,53,.75);box-shadow:0 0 30px rgba(34,211,238,.7);}
  .fab-neon:active{transform:scale(.96);}
  .fab-dot{position:absolute;top:-4px;right:-4px;width:12px;height:12px;border-radius:50%;background:#EF4444;box-shadow:0 0 0 2px #07101F;}
  @keyframes fabPulse{0%,100%{box-shadow:0 0 18px rgba(6,182,212,.38)}50%{box-shadow:0 0 30px rgba(6,182,212,.72)}}

  .faq-item .faq-a{display:none;}
  .faq-item.open .faq-a{display:block;}
  .check-line{display:flex;gap:10px;align-items:flex-start;font-size:.9rem;color:#C7D8EA;}
  .check-line input{margin-top:3px;}
  .check-list{list-style:none;padding:0;margin:14px 0 0;display:grid;gap:10px;}
  .check-list li{display:flex;gap:10px;align-items:flex-start;color:#D6E5F5;font-size:.93rem;}
  .check-list i{color:#22D3EE;margin-top:3px;}
  .empty-note{color:#9FB6CE;font-size:.95rem;}

  @media (max-width:575px){
    .fab-neon{padding:11px 14px;font-size:.8rem;bottom:86px;}
    .fab-neon span{display:none;}
  }

/* roulang page: article */
:root{
  --bg:#030712;
  --bg-deep:#081229;
  --bg-soft:#0A1730;
  --panel:rgba(255,255,255,.045);
  --panel-strong:rgba(10,23,48,.78);
  --line:rgba(56,189,248,.18);
  --line-strong:rgba(56,189,248,.48);
  --txt:#F8FAFC;
  --txt-2:#94A3B8;
  --txt-3:#CBD5E1;
  --blue:#2563EB;
  --cyan:#38BDF8;
  --holo:#60A5FA;
  --gold:#FBBF24;
  --green:#34D399;
  --danger:#F43F5E;
  --r-sm:10px;
  --r:16px;
  --r-lg:24px;
  --r-pill:999px;
  --sp-section:clamp(52px,6.4vw,92px);
  --shadow:0 20px 55px rgba(2,8,23,.65);
  --glow:0 0 26px rgba(56,189,248,.42);
  --ff:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--ff);
  background:var(--bg);
  color:var(--txt);
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background:
    radial-gradient(900px 520px at 10% -8%, rgba(37,99,235,.26), transparent 62%),
    radial-gradient(820px 520px at 100% 4%, rgba(56,189,248,.16), transparent 58%),
    linear-gradient(180deg, rgba(8,18,41,.65), rgba(3,7,18,0) 40%);
}
img{max-width:100%;display:block;height:auto}
a{color:var(--cyan);text-decoration:none;transition:color .2s ease,opacity .2s ease}
a:hover{color:#7DD3FC}
h1,h2,h3,h4{line-height:1.28;margin:0 0 14px;font-weight:800;letter-spacing:-.2px}
p{margin:0 0 16px}
ul,ol{margin:0 0 16px;padding-left:20px}
main,header,footer{position:relative;z-index:1}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.app-container{max-width:1220px}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}

/* ============ HEADER ============ */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:1000;
  background:rgba(3,7,18,.82);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;gap:20px;height:74px}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;flex-shrink:0}
.brand-mark{
  width:42px;height:42px;border-radius:13px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,var(--blue),var(--cyan));
  color:#03111F;font-size:1.05rem;
  box-shadow:0 0 20px rgba(56,189,248,.5);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{color:#fff;font-size:1.05rem;font-weight:800;letter-spacing:.2px}
.brand-text small{color:var(--txt-2);font-size:.67rem;letter-spacing:.5px;text-transform:uppercase}
.nav-links{display:flex;align-items:center;gap:4px;list-style:none;margin:0;padding:0;flex:1}
.nav-links li{margin:0}
.nav-links a{
  display:block;
  padding:9px 14px;
  border-radius:var(--r-pill);
  color:var(--txt-3);
  font-size:.92rem;
  font-weight:500;
  white-space:nowrap;
  border:1px solid transparent;
}
.nav-links a:hover{color:#fff;background:rgba(56,189,248,.1);border-color:var(--line)}
.nav-links a.active{
  color:#EAF6FF;
  background:linear-gradient(135deg,rgba(37,99,235,.35),rgba(56,189,248,.22));
  border-color:var(--line-strong);
}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.btn-ghost{
  display:inline-flex;align-items:center;gap:7px;
  padding:9px 16px;border-radius:var(--r-pill);
  border:1px solid var(--line-strong);
  background:rgba(56,189,248,.07);
  color:#DCF2FF;font-size:.88rem;font-weight:600;
}
.btn-ghost:hover{color:#fff;background:rgba(56,189,248,.16);border-color:var(--cyan)}
.btn-neon{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 20px;border-radius:var(--r-pill);
  border:0;
  background:linear-gradient(135deg,var(--blue),var(--cyan));
  color:#02121F;font-size:.9rem;font-weight:800;
  box-shadow:0 0 22px rgba(56,189,248,.45);
  transition:transform .2s ease,box-shadow .2s ease;
}
.btn-neon:hover{color:#02121F;transform:translateY(-2px);box-shadow:0 0 34px rgba(56,189,248,.72)}
.btn-neon.lg,.btn-ghost.lg{padding:14px 28px;font-size:.98rem}
.nav-toggle{
  display:none;
  width:44px;height:44px;border-radius:12px;
  background:rgba(56,189,248,.1);
  border:1px solid var(--line);
  color:#DCF2FF;font-size:1.1rem;cursor:pointer;
}

/* ============ POST HERO ============ */
.post-hero{
  position:relative;
  padding:132px 0 58px;
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.post-hero-bg{
  position:absolute;inset:0;
  background:url("/assets/images/4fe5a0e82586bc0d.jpg") center/cover no-repeat;
  opacity:.22;
}
.post-hero-veil{
  position:absolute;inset:0;
  background:
    linear-gradient(100deg,rgba(3,7,18,.97) 6%,rgba(3,7,18,.78) 52%,rgba(3,7,18,.5) 100%),
    radial-gradient(720px 380px at 82% 18%, rgba(37,99,235,.3), transparent 66%);
}
.post-hero-inner{
  position:relative;
  display:grid;
  grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);
  gap:44px;
  align-items:center;
}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;list-style:none;padding:0;margin:0 0 16px;font-size:.82rem;color:var(--txt-2)}
.crumb li{margin:0;display:flex;align-items:center;gap:8px}
.crumb a{color:var(--txt-3)}
.crumb a:hover{color:var(--cyan)}
.crumb .sep{color:rgba(148,163,184,.5)}
.hero-badge{
  display:inline-flex;align-items:center;gap:9px;
  padding:7px 15px;border-radius:var(--r-pill);
  background:rgba(56,189,248,.12);
  border:1px solid var(--line-strong);
  color:#BFE9FF;font-size:.74rem;font-weight:700;
  letter-spacing:1.1px;text-transform:uppercase;
  margin-bottom:18px;
}
.post-hero h1{
  font-size:clamp(1.6rem,3.1vw,2.5rem);
  margin-bottom:16px;
  color:#F4FAFF;
}
.post-hero h1 .hl{
  background:linear-gradient(120deg,var(--cyan),var(--holo) 60%,#A5F3FC);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;
}
.post-lead{font-size:1rem;color:#C9DCEE;max-width:640px;margin-bottom:20px}
.post-meta{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:22px}
.meta-pill{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 14px;border-radius:var(--r-pill);
  background:var(--panel);
  border:1px solid var(--line);
  color:var(--txt-3);font-size:.8rem;font-weight:600;
}
.meta-pill i{color:var(--cyan)}
.hero-cta{display:flex;flex-wrap:wrap;gap:13px;margin-bottom:22px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 22px;list-style:none;padding:0;margin:0}
.hero-points li{display:flex;align-items:center;gap:8px;color:var(--txt-2);font-size:.87rem;margin:0}
.hero-points i{color:var(--cyan)}
.hero-figure{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--line-strong);
  box-shadow:var(--shadow),0 0 34px rgba(56,189,248,.18);
  transform:translateY(-8px) rotate(-1.2deg);
  background:var(--panel-strong);
}
.hero-figure img{width:100%;aspect-ratio:16/11;object-fit:cover}
.hero-figure figcaption{
  position:absolute;left:0;right:0;bottom:0;
  padding:16px 18px;
  font-size:.84rem;color:#DCEBF9;
  background:linear-gradient(180deg,rgba(3,7,18,0),rgba(3,7,18,.92));
}
.float-stat{
  position:absolute;
  right:-14px;top:22px;
  padding:12px 16px;
  border-radius:var(--r);
  background:rgba(6,18,40,.94);
  border:1px solid var(--line-strong);
  box-shadow:var(--glow);
  text-align:right;
}
.float-stat b{display:block;font-size:1.15rem;color:var(--cyan)}
.float-stat span{font-size:.72rem;color:var(--txt-2);text-transform:uppercase;letter-spacing:.8px}

/* ============ SECTION BASICS ============ */
.section{padding:var(--sp-section) 0;position:relative}
.section--alt{background:linear-gradient(180deg,rgba(8,18,41,.72),rgba(3,7,18,.1));border-top:1px solid rgba(56,189,248,.1);border-bottom:1px solid rgba(56,189,248,.1)}
.section--deep{background:linear-gradient(180deg,#050C1C,#030712)}
.section-head{max-width:790px;margin-bottom:36px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.73rem;font-weight:700;letter-spacing:1.4px;text-transform:uppercase;
  color:var(--cyan);margin-bottom:12px;
}
.eyebrow::before{content:"";width:26px;height:2px;background:linear-gradient(90deg,var(--cyan),transparent)}
.section-head h2{font-size:clamp(1.35rem,2.4vw,2rem);color:#F1F8FF}
.section-head p{color:var(--txt-2);font-size:.96rem;margin-bottom:0}

/* ============ ARTICLE BODY ============ */
.post-main{padding:var(--sp-section) 0}
.post-panel{
  background:var(--panel-strong);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:clamp(22px,3.2vw,44px);
  box-shadow:var(--shadow);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
}
.cms-content{color:#DDE9F6;font-size:1rem;line-height:1.72}
.cms-content h2{
  font-size:clamp(1.25rem,2.1vw,1.65rem);
  color:#F1F8FF;
  margin:34px 0 14px;
  padding-left:14px;
  border-left:3px solid var(--cyan);
}
.cms-content h3{font-size:1.12rem;color:#E7F3FF;margin:26px 0 12px}
.cms-content h4{font-size:1rem;color:#CFE6FA;margin:20px 0 10px}
.cms-content p{margin-bottom:16px}
.cms-content ul,.cms-content ol{margin:0 0 18px;padding-left:22px}
.cms-content li{margin-bottom:8px}
.cms-content ul li::marker{color:var(--cyan)}
.cms-content ol li::marker{color:var(--cyan);font-weight:700}
.cms-content strong{color:#fff}
.cms-content a{color:var(--cyan);text-decoration:underline;text-underline-offset:3px}
.cms-content img{border-radius:var(--r);border:1px solid var(--line);margin:18px 0}
.cms-content blockquote{
  margin:22px 0;
  padding:16px 20px;
  border-left:3px solid var(--holo);
  background:rgba(56,189,248,.08);
  border-radius:0 var(--r) var(--r) 0;
  color:#CFE6FA;
}
.cms-content table{width:100%;border-collapse:collapse;margin:20px 0;font-size:.93rem}
.cms-content th,.cms-content td{border:1px solid var(--line);padding:11px 14px;text-align:left}
.cms-content th{background:rgba(56,189,248,.12);color:#EAF6FF}
.cms-content tr:nth-child(even) td{background:rgba(255,255,255,.02)}
.post-empty{
  text-align:center;
  padding:52px 20px;
  border:1px dashed var(--line-strong);
  border-radius:var(--r);
  background:rgba(56,189,248,.05);
}
.post-empty h2{font-size:1.3rem;color:#F1F8FF}
.post-empty p{color:var(--txt-2)}

/* ============ KEY POINTS ============ */
.kp-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.kp-card{
  position:relative;
  padding:24px 24px 22px 26px;
  border-radius:var(--r);
  background:linear-gradient(150deg,rgba(37,99,235,.16),rgba(10,23,48,.72));
  border:1px solid var(--line);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.kp-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:0 16px 38px rgba(2,8,23,.55)}
.kp-card::before{
  content:"";position:absolute;left:0;top:22px;bottom:22px;width:3px;
  border-radius:0 4px 4px 0;
  background:linear-gradient(180deg,var(--cyan),var(--blue));
}
.kp-icon{
  width:44px;height:44px;border-radius:13px;
  display:grid;place-items:center;
  background:rgba(56,189,248,.14);
  border:1px solid var(--line-strong);
  color:var(--cyan);font-size:1rem;
  margin-bottom:14px;
}
.kp-card h3{font-size:1.04rem;color:#EAF6FF;margin-bottom:8px}
.kp-card p{color:var(--txt-2);font-size:.92rem;margin-bottom:0}

/* ============ METRICS ============ */
.metrics{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:1px;
  background:var(--line);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
}
.metric{
  background:linear-gradient(180deg,rgba(10,23,48,.92),rgba(5,12,28,.92));
  padding:26px 22px;
}
.metric b{
  display:block;
  font-size:clamp(1.35rem,2.4vw,1.85rem);
  font-weight:900;
  background:linear-gradient(120deg,var(--cyan),var(--holo));
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;
  margin-bottom:6px;
}
.metric span{color:var(--txt-2);font-size:.84rem;line-height:1.5;display:block}

/* ============ ASSURANCE ============ */
.assure-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:44px;align-items:center}
.assure-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:16px}
.assure-list li{
  display:flex;gap:14px;
  padding:16px 18px;
  border-radius:var(--r);
  background:var(--panel);
  border:1px solid var(--line);
  transition:border-color .25s ease,transform .25s ease;
}
.assure-list li:hover{border-color:var(--line-strong);transform:translateX(4px)}
.assure-list i{color:var(--cyan);font-size:1.05rem;margin-top:3px}
.assure-list b{display:block;color:#EAF6FF;font-size:.98rem;margin-bottom:4px}
.assure-list span{color:var(--txt-2);font-size:.9rem;line-height:1.6}
.assure-figure{
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--line-strong);
  box-shadow:var(--shadow);
}
.assure-figure img{width:100%;aspect-ratio:4/3;object-fit:cover}
.assure-pay{display:flex;flex-wrap:wrap;gap:9px;margin-top:18px}
.assure-pay span{
  display:inline-flex;align-items:center;gap:7px;
  padding:8px 13px;border-radius:var(--r-sm);
  background:rgba(56,189,248,.08);
  border:1px solid var(--line);
  color:#CFE6FA;font-size:.8rem;font-weight:600;
}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px}
.faq-acc .accordion-item{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--r) !important;
  margin-bottom:12px;
  overflow:hidden;
}
.faq-acc .accordion-button{
  background:transparent;
  color:#EAF6FF;
  font-weight:700;
  font-size:.98rem;
  padding:18px 20px;
  box-shadow:none;
  line-height:1.5;
}
.faq-acc .accordion-button:not(.collapsed){
  background:rgba(56,189,248,.1);
  color:#fff;
}
.faq-acc .accordion-button::after{
  filter:invert(78%) sepia(38%) saturate(1400%) hue-rotate(160deg);
}
.faq-acc .accordion-button:focus{box-shadow:none;border-color:var(--line-strong)}
.faq-acc .accordion-body{color:var(--txt-2);font-size:.93rem;padding:4px 20px 20px;line-height:1.7}

/* ============ CTA BAND ============ */
.cta-band{
  position:relative;
  overflow:hidden;
  border:1px solid var(--line-strong);
  border-radius:var(--r-lg);
  padding:clamp(28px,4vw,48px);
  background:
    radial-gradient(600px 300px at 88% 10%, rgba(37,99,235,.4), transparent 68%),
    linear-gradient(135deg,rgba(10,23,48,.95),rgba(5,12,28,.95));
  box-shadow:var(--shadow);
}
.cta-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:36px;align-items:center}
.cta-band h2{font-size:clamp(1.3rem,2.3vw,1.9rem);color:#F1F8FF}
.cta-band p{color:#C4D8EC;font-size:.96rem;margin-bottom:0}
.cta-form{display:flex;flex-direction:column;gap:12px}
.cta-form label{font-size:.82rem;color:var(--txt-2);font-weight:600}
.cta-form input{
  width:100%;
  padding:13px 16px;
  border-radius:var(--r-sm);
  background:rgba(3,7,18,.75);
  border:1px solid var(--line);
  color:#F1F8FF;
  font-family:var(--ff);
  font-size:.94rem;
}
.cta-form input::placeholder{color:rgba(148,163,184,.75)}
.cta-form input:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(56,189,248,.18)}
.cta-note{font-size:.78rem;color:var(--txt-2);margin:2px 0 0}

/* ============ FAB ============ */
.fab-neon{
  position:fixed;
  left:16px;bottom:96px;
  z-index:50;
  width:58px;height:58px;
  border-radius:var(--r-pill);
  display:grid;place-items:center;
  background:rgba(7,7,13,.82);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border:1.5px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.86),rgba(7,7,13,.86)),linear-gradient(135deg,var(--cyan),var(--blue));
  background-origin:border-box;
  background-clip:padding-box,border-box;
  color:#DCF2FF;
  font-size:1.2rem;
  box-shadow:0 0 20px rgba(6,182,212,.45);
  opacity:.8;
  transition:transform .25s ease,opacity .25s ease,box-shadow .25s ease;
}
.fab-neon:hover{opacity:1;color:#fff;transform:scale(1.09);box-shadow:0 0 30px rgba(56,189,248,.8)}
.fab-neon:active{transform:scale(.95) translateY(2px)}
.fab-dot{
  position:absolute;top:2px;right:2px;
  width:12px;height:12px;border-radius:50%;
  background:var(--danger);
  box-shadow:0 0 0 2px #07070D,0 0 12px rgba(244,63,94,.9);
  animation:fabPulse 1.6s infinite;
}
@keyframes fabPulse{0%,100%{transform:scale(1);opacity:1}50%{transform:scale(1.25);opacity:.7}}

/* ============ FOOTER ============ */
.site-footer{
  background:linear-gradient(180deg,#050C1C,#02060F);
  border-top:1px solid var(--line);
  padding:62px 0 26px;
}
.site-footer .brand{margin-bottom:4px}
.site-footer .brand b{color:#fff;font-size:1rem;display:block}
.site-footer .brand span{color:var(--txt-2);font-size:.78rem}
.foot-desc{color:var(--txt-2);font-size:.91rem;margin:14px 0 0;max-width:430px}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 12px;border-radius:var(--r-pill);
  font-size:.77rem;font-weight:700;
  border:1px solid var(--line);
  color:var(--txt-3);
}
.tag.green{color:#A7F3D0;background:rgba(52,211,153,.1);border-color:rgba(52,211,153,.35)}
.tag.gold{color:#FDE68A;background:rgba(251,191,36,.1);border-color:rgba(251,191,36,.35)}
.site-footer h3{font-size:.95rem;color:#fff;margin:0 0 14px;font-weight:700}
.foot-links{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:9px}
.foot-links a{color:var(--txt-2);font-size:.9rem}
.foot-links a:hover{color:var(--cyan)}
.foot-links i{color:var(--cyan);width:18px;display:inline-block}
.foot-pay{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.foot-pay span{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 11px;border-radius:var(--r-sm);
  background:var(--panel);border:1px solid var(--line);
  font-size:.78rem;color:var(--txt-3);
}
.foot-bottom{
  margin-top:42px;padding-top:22px;
  border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:10px 22px;
  justify-content:space-between;align-items:center;
}
.foot-bottom p{margin:0;color:var(--txt-2);font-size:.82rem}
.foot-bottom a{color:var(--txt-3);font-size:.82rem}
.foot-bottom a:hover{color:var(--cyan)}

/* ============ RESPONSIVE ============ */
@media (max-width:1024px){
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .nav-links{
    position:absolute;
    top:74px;left:0;right:0;
    flex-direction:column;
    align-items:stretch;
    gap:6px;
    margin:0;
    padding:14px 20px 20px;
    background:rgba(3,7,18,.98);
    border-bottom:1px solid var(--line);
    box-shadow:0 24px 40px rgba(2,8,23,.7);
    display:none;
  }
  .nav-links.open{display:flex}
  .post-hero-inner{grid-template-columns:1fr;gap:32px}
  .hero-figure{transform:none;margin-top:6px}
  .float-stat{right:12px;top:12px}
  .assure-grid{grid-template-columns:1fr;gap:30px}
  .cta-grid{grid-template-columns:1fr;gap:26px}
  .metrics{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:768px){
  .nav-inner{gap:12px;height:68px}
  .nav-links{top:68px}
  .brand-mark{width:38px;height:38px;font-size:.95rem}
  .brand-text strong{font-size:.92rem}
  .brand-text small{display:none}
  .nav-actions .btn-ghost,.nav-actions .btn-neon{padding:8px 12px;font-size:.76rem}
  .post-hero{padding:112px 0 46px}
  .kp-grid{grid-template-columns:1fr}
  .section-head{max-width:100%}
  .foot-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .container{padding:0 15px}
  .metrics{grid-template-columns:1fr}
  .nav-actions .btn-ghost i,.nav-actions .btn-neon i{display:none}
  .hero-cta .btn-neon,.hero-cta .btn-ghost{width:100%;justify-content:center}
  .post-panel{padding:20px 16px}
  .meta-pill{font-size:.75rem}
  .fab-neon{width:52px;height:52px;left:12px;bottom:88px}
}

/* roulang page: category1 */
:root{
  --bg:#030712;
  --bg-deep:#081229;
  --bg-soft:#0A1730;
  --panel:rgba(255,255,255,.045);
  --panel-strong:rgba(10,23,48,.78);
  --line:rgba(56,189,248,.18);
  --line-strong:rgba(56,189,248,.48);
  --txt:#F8FAFC;
  --txt-2:#94A3B8;
  --txt-3:#CBD5E1;
  --blue:#2563EB;
  --cyan:#38BDF8;
  --holo:#60A5FA;
  --gold:#FBBF24;
  --green:#34D399;
  --danger:#F43F5E;
  --r-sm:10px;
  --r:16px;
  --r-lg:24px;
  --r-pill:999px;
  --sp-section:clamp(52px,6.4vw,92px);
  --shadow:0 20px 55px rgba(2,8,23,.65);
  --glow:0 0 26px rgba(56,189,248,.42);
  --ff:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--ff);
  background:var(--bg);
  color:var(--txt);
  font-size:16px;
  line-height:1.64;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background:
    radial-gradient(900px 520px at 10% -8%, rgba(37,99,235,.26), transparent 62%),
    radial-gradient(820px 520px at 100% 4%, rgba(56,189,248,.16), transparent 58%),
    linear-gradient(180deg, rgba(8,18,41,.65), rgba(3,7,18,0) 40%);
}
img{max-width:100%;display:block}
a{color:var(--cyan);text-decoration:none;transition:color .2s ease,opacity .2s ease}
a:hover{color:#7DD3FC}
p{margin:0 0 14px}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0 0 12px;line-height:1.26;font-weight:800;letter-spacing:-.2px}
h1{font-size:clamp(1.85rem,4.1vw,3rem)}
h2{font-size:clamp(1.4rem,2.7vw,2.05rem)}
h3{font-size:clamp(1.05rem,1.7vw,1.22rem);font-weight:700}
main,header,footer{position:relative;z-index:1}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.app-container{max-width:1220px}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}

/* ============ HEADER ============ */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:1000;
  background:rgba(3,7,18,.82);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;gap:20px;height:74px}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;flex-shrink:0}
.brand-mark{
  width:42px;height:42px;border-radius:13px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,var(--blue),var(--cyan));
  color:#03111F;font-size:1.05rem;
  box-shadow:0 0 20px rgba(56,189,248,.5);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{color:#fff;font-size:1.05rem;font-weight:800;letter-spacing:.2px}
.brand-text small{color:var(--txt-2);font-size:.67rem;letter-spacing:.5px;text-transform:uppercase}
.nav-links{display:flex;align-items:center;gap:4px;list-style:none;margin:0;padding:0;flex:1}
.nav-links li{margin:0}
.nav-links a{
  display:block;
  padding:9px 14px;
  border-radius:var(--r-pill);
  color:var(--txt-3);
  font-size:.92rem;
  font-weight:500;
  white-space:nowrap;
  border:1px solid transparent;
}
.nav-links a:hover{color:#fff;background:rgba(56,189,248,.1);border-color:var(--line)}
.nav-links a.active{
  color:#EAF6FF;
  background:linear-gradient(135deg,rgba(37,99,235,.35),rgba(56,189,248,.22));
  border-color:var(--line-strong);
}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.btn-ghost{
  display:inline-flex;align-items:center;gap:7px;
  padding:9px 16px;border-radius:var(--r-pill);
  border:1px solid var(--line-strong);
  background:rgba(56,189,248,.07);
  color:#DCF2FF;font-size:.88rem;font-weight:600;
}
.btn-ghost:hover{color:#fff;background:rgba(56,189,248,.16);border-color:var(--cyan)}
.btn-neon{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 20px;border-radius:var(--r-pill);
  border:0;
  background:linear-gradient(135deg,var(--blue),var(--cyan));
  color:#02121F;font-size:.9rem;font-weight:800;
  box-shadow:0 0 22px rgba(56,189,248,.45);
  transition:transform .2s ease, box-shadow .2s ease, color .2s ease;
}
.btn-neon:hover{color:#02121F;transform:translateY(-2px);box-shadow:0 0 34px rgba(56,189,248,.72)}
.btn-neon.lg,.btn-ghost.lg{padding:14px 28px;font-size:.98rem}
.nav-toggle{
  display:none;
  width:44px;height:44px;border-radius:12px;
  background:rgba(56,189,248,.1);
  border:1px solid var(--line);
  color:#DCF2FF;font-size:1.1rem;cursor:pointer;
}

/* ============ HERO ============ */
.hero{
  position:relative;
  padding:150px 0 70px;
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.hero-bg{
  position:absolute;inset:0;
  background:url("/assets/images/4fe5a0e82586bc0d.jpg") center/cover no-repeat;
  opacity:.3;
  filter:saturate(1.15);
}
.hero-veil{
  position:absolute;inset:0;
  background:
    linear-gradient(100deg,rgba(3,7,18,.96) 8%,rgba(3,7,18,.72) 48%,rgba(3,7,18,.45) 100%),
    radial-gradient(700px 380px at 80% 20%, rgba(37,99,235,.32), transparent 65%);
}
.hero-inner{position:relative;display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,.95fr);gap:40px;align-items:center}
.hero-badge{
  display:inline-flex;align-items:center;gap:9px;
  padding:7px 15px;border-radius:var(--r-pill);
  background:rgba(56,189,248,.12);
  border:1px solid var(--line-strong);
  color:#BFE9FF;font-size:.76rem;font-weight:700;
  letter-spacing:1.1px;text-transform:uppercase;
  margin-bottom:18px;
}
.hero h1{margin-bottom:16px}
.hero h1 .hl{
  background:linear-gradient(120deg,var(--cyan),var(--holo) 60%,#A5F3FC);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;
}
.hero-lead{font-size:1.02rem;color:#C9DCEE;max-width:640px}
.hero-cta{display:flex;flex-wrap:wrap;gap:13px;margin:24px 0 20px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 22px}
.hero-points li{display:flex;align-items:center;gap:8px;color:var(--txt-2);font-size:.88rem}
.hero-points i{color:var(--cyan)}
.check-panel{
  background:linear-gradient(160deg,rgba(10,23,48,.92),rgba(3,7,18,.82));
  border:1px solid var(--line-strong);
  border-radius:var(--r-lg);
  padding:26px 24px;
  box-shadow:var(--shadow);
}
.check-panel h2{font-size:1.06rem;margin-bottom:4px}
.check-panel .panel-sub{color:var(--txt-2);font-size:.84rem;margin-bottom:18px}
.check-list li{
  display:flex;align-items:flex-start;gap:11px;
  padding:11px 0;
  border-bottom:1px dashed rgba(148,163,184,.2);
  font-size:.9rem;color:var(--txt-3);
}
.check-list li:last-child{border-bottom:0;padding-bottom:0}
.check-list i{color:var(--green);margin-top:4px}
.check-list b{color:#fff;font-weight:700}
.panel-foot{
  margin-top:18px;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;gap:9px;
  color:var(--txt-2);font-size:.8rem;
}
.dot-live{width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 0 4px rgba(52,211,153,.18);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}

/* ============ SECTION BASE ============ */
.section{padding:var(--sp-section) 0;position:relative}
.section--alt{background:linear-gradient(180deg,rgba(8,18,41,.72),rgba(3,7,18,.1));border-top:1px solid rgba(56,189,248,.1);border-bottom:1px solid rgba(56,189,248,.1)}
.section--deep{background:linear-gradient(180deg,#050C1C,#030712)}
.section-head{max-width:800px;margin-bottom:38px;text-align:left}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.74rem;font-weight:700;letter-spacing:1.4px;text-transform:uppercase;
  color:var(--cyan);margin-bottom:12px;
}
.eyebrow::before{content:"";width:26px;height:2px;background:linear-gradient(90deg,var(--cyan),transparent)}
.section-head.center .eyebrow::before{display:none}
.section-head p{color:var(--txt-2);font-size:.97rem}

/* ============ METRICS ============ */
.metric-strip{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:16px;
  margin-top:-34px;
  position:relative;z-index:3;
}
.metric-card{
  background:linear-gradient(160deg,rgba(10,23,48,.94),rgba(3,7,18,.86));
  border:1px solid var(--line);
  border-radius:var(--r);
  padding:22px 20px;
  text-align:left;
  transition:border-color .25s ease, transform .25s ease;
}
.metric-card:hover{border-color:var(--line-strong);transform:translateY(-3px)}
.metric-card i{color:var(--cyan);font-size:1.15rem;margin-bottom:10px;display:block}
.metric-num{font-size:1.55rem;font-weight:900;color:#fff;letter-spacing:-.5px;display:block;line-height:1.2}
.metric-label{color:var(--txt-2);font-size:.83rem;margin-top:6px;display:block}

/* ============ CARDS / GRIDS ============ */
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:26px}
.info-card{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--r);
  padding:24px 22px;
  height:100%;
  transition:border-color .25s ease, background .25s ease, transform .25s ease;
}
.info-card:hover{border-color:var(--line-strong);background:rgba(56,189,248,.07);transform:translateY(-4px)}
.icon-badge{
  width:46px;height:46px;border-radius:14px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(37,99,235,.4),rgba(56,189,248,.22));
  border:1px solid var(--line-strong);
  color:#DCF2FF;font-size:1.05rem;
  margin-bottom:14px;
}
.info-card p{color:var(--txt-2);font-size:.9rem}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-pill);
  font-size:.74rem;font-weight:700;letter-spacing:.3px;
  border:1px solid transparent;
}
.tag.green{background:rgba(52,211,153,.12);border-color:rgba(52,211,153,.4);color:#A7F3D0}
.tag.gold{background:rgba(251,191,36,.12);border-color:rgba(251,191,36,.4);color:#FDE68A}
.tag.blue{background:rgba(56,189,248,.12);border-color:var(--line-strong);color:#BFE9FF}
.tag.rose{background:rgba(244,63,94,.12);border-color:rgba(244,63,94,.4);color:#FECDD3}

/* ============ SCENARIOS ============ */
.scene-wrap{display:grid;grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);gap:34px;align-items:center}
.scene-media{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
.scene-media img{width:100%;height:100%;object-fit:cover;min-height:280px}
.scene-list li{
  display:flex;gap:14px;
  padding:16px 0;
  border-bottom:1px solid rgba(148,163,184,.14);
}
.scene-list li:last-child{border-bottom:0}
.scene-list .num{
  flex:0 0 34px;height:34px;border-radius:10px;
  display:grid;place-items:center;
  background:rgba(56,189,248,.12);
  border:1px solid var(--line);
  color:var(--cyan);font-weight:800;font-size:.85rem;
}
.scene-list h3{margin-bottom:4px;font-size:1.02rem}
.scene-list p{color:var(--txt-2);font-size:.88rem;margin:0}

/* ============ COMPARE ============ */
.table-wrap{
  border:1px solid var(--line);
  border-radius:var(--r);
  overflow:hidden;
  background:rgba(10,23,48,.6);
}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
table.compare{width:100%;min-width:640px;border-collapse:collapse}
table.compare th,table.compare td{
  padding:15px 18px;
  text-align:left;
  font-size:.9rem;
  border-bottom:1px solid rgba(148,163,184,.14);
  vertical-align:top;
}
table.compare thead th{
  background:rgba(37,99,235,.18);
  color:#EAF6FF;
  font-size:.8rem;
  text-transform:uppercase;
  letter-spacing:.7px;
  font-weight:800;
}
table.compare tbody tr:last-child td{border-bottom:0}
table.compare tbody tr:hover{background:rgba(56,189,248,.05)}
table.compare td:first-child{color:#fff;font-weight:600}
.col-good{color:#A7F3D0}
.col-bad{color:#FECDD3}
.badge-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}

/* ============ STEPS ============ */
.step-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;counter-reset:step}
.step-card{
  position:relative;
  background:linear-gradient(170deg,rgba(10,23,48,.88),rgba(3,7,18,.72));
  border:1px solid var(--line);
  border-radius:var(--r);
  padding:26px 20px 22px;
  transition:border-color .25s ease, transform .25s ease;
}
.step-card::before{
  counter-increment:step;
  content:"0" counter(step);
  position:absolute;top:16px;right:18px;
  font-size:1.6rem;font-weight:900;
  color:rgba(56,189,248,.22);
  letter-spacing:-1px;
}
.step-card:hover{border-color:var(--line-strong);transform:translateY(-4px)}
.step-card i{color:var(--cyan);font-size:1.1rem;margin-bottom:12px;display:block}
.step-card p{color:var(--txt-2);font-size:.87rem}

/* ============ CHANNEL MATRIX ============ */
.chan-card{
  display:flex;flex-direction:column;
  background:linear-gradient(165deg,rgba(10,23,48,.9),rgba(3,7,18,.78));
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:26px 24px;
  height:100%;
  transition:border-color .25s ease, transform .25s ease, box-shadow .25s ease;
}
.chan-card:hover{border-color:var(--line-strong);transform:translateY(-5px);box-shadow:0 18px 40px rgba(2,8,23,.7)}
.chan-card .icon-badge{margin-bottom:16px}
.chan-card p{color:var(--txt-2);font-size:.9rem;flex:1}
.chan-link{
  display:inline-flex;align-items:center;gap:8px;
  margin-top:18px;font-weight:700;font-size:.9rem;color:var(--cyan);
}
.chan-link:hover{gap:12px}

/* ============ NEWS LIST ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.news-card{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--r);
  padding:22px 20px;
  display:flex;flex-direction:column;
  transition:border-color .25s ease, background .25s ease, transform .25s ease;
}
.news-card:hover{border-color:var(--line-strong);background:rgba(56,189,248,.07);transform:translateY(-4px)}
.news-card h3{font-size:1rem;margin-bottom:10px}
.news-card h3 a{color:#F1F7FF}
.news-card h3 a:hover{color:var(--cyan)}
.news-card .news-ex{color:var(--txt-2);font-size:.87rem;flex:1}
.news-meta{
  display:flex;flex-wrap:wrap;gap:8px 16px;
  margin-top:14px;padding-top:13px;
  border-top:1px solid rgba(148,163,184,.14);
  color:var(--txt-2);font-size:.78rem;
}
.news-meta i{color:var(--cyan);margin-right:5px}
.news-empty{
  text-align:left;color:var(--txt-2);font-size:.92rem;
  border:1px dashed var(--line-strong);border-radius:var(--r);
  padding:26px 22px;background:rgba(10,23,48,.5);
}
.list-more{margin-top:26px}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;max-width:920px}
.faq-item{
  border:1px solid var(--line);
  border-radius:var(--r);
  background:rgba(10,23,48,.6);
  overflow:hidden;
  transition:border-color .25s ease;
}
.faq-item[open]{border-color:var(--line-strong);background:rgba(10,23,48,.85)}
.faq-item summary{
  cursor:pointer;list-style:none;
  padding:18px 54px 18px 20px;
  position:relative;
  font-weight:700;font-size:.98rem;color:#EAF6FF;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"\f067";
  font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;right:20px;top:50%;transform:translateY(-50%);
  color:var(--cyan);font-size:.8rem;transition:transform .25s ease;
}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(45deg)}
.faq-body{padding:0 20px 20px;color:var(--txt-2);font-size:.9rem;border-top:1px solid rgba(148,163,184,.12);padding-top:16px}

/* ============ CTA ============ */
.cta-band{
  position:relative;
  border:1px solid var(--line-strong);
  border-radius:var(--r-lg);
  background:
    radial-gradient(600px 300px at 12% 0%, rgba(37,99,235,.32), transparent 62%),
    linear-gradient(160deg,rgba(10,23,48,.95),rgba(3,7,18,.9));
  padding:clamp(28px,4vw,48px);
  box-shadow:var(--shadow);
  overflow:hidden;
}
.cta-wrap{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.9fr);gap:34px;align-items:start}
.cta-band h2{margin-bottom:12px}
.cta-band .cta-text{color:var(--txt-3);font-size:.95rem}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.cta-form{
  background:rgba(3,7,18,.6);
  border:1px solid var(--line);
  border-radius:var(--r);
  padding:22px 20px;
}
.form-row{margin-bottom:14px}
.form-row label{display:block;font-size:.82rem;font-weight:600;color:var(--txt-3);margin-bottom:7px}
.form-row input,.form-row select,.form-row textarea{
  width:100%;
  padding:12px 14px;
  border-radius:var(--r-sm);
  border:1px solid var(--line);
  background:rgba(10,23,48,.85);
  color:var(--txt);
  font-family:var(--ff);
  font-size:.9rem;
  transition:border-color .2s ease, box-shadow .2s ease;
}
.form-row input::placeholder,.form-row textarea::placeholder{color:#64748B}
.form-row input:focus,.form-row select:focus,.form-row textarea:focus{
  outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(56,189,248,.18);
}
.form-row textarea{min-height:86px;resize:vertical}
.form-note{color:var(--txt-2);font-size:.76rem;margin-top:12px}
.btn-submit{
  width:100%;
  padding:14px 20px;
  border:0;border-radius:var(--r-pill);
  background:linear-gradient(135deg,var(--blue),var(--cyan));
  color:#02121F;font-weight:800;font-size:.95rem;
  cursor:pointer;
  transition:transform .2s ease, box-shadow .2s ease;
  box-shadow:0 0 22px rgba(56,189,248,.4);
}
.btn-submit:hover{transform:translateY(-2px);box-shadow:0 0 34px rgba(56,189,248,.7)}
.btn-submit:active{transform:translateY(0)}

/* ============ FOOTER ============ */
.site-footer{
  margin-top:0;
  background:linear-gradient(180deg,#050C1C,#020509);
  border-top:1px solid var(--line);
  padding:clamp(42px,5vw,66px) 0 26px;
  position:relative;z-index:1;
}
.site-footer h3{font-size:.95rem;color:#fff;margin-bottom:16px;letter-spacing:.2px}
.site-footer .brand{margin-bottom:16px}
.site-footer .brand b{color:#fff;font-size:1rem;display:block}
.site-footer .brand span{color:var(--txt-2);font-size:.78rem}
.foot-desc{color:var(--txt-2);font-size:.87rem;max-width:420px}
.foot-links li{margin-bottom:10px}
.foot-links a{color:var(--txt-3);font-size:.87rem}
.foot-links a:hover{color:var(--cyan)}
.foot-links i{color:var(--cyan);margin-right:7px}
.tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:16px}
.foot-pay{display:flex;flex-wrap:wrap;gap:9px;margin-top:16px}
.foot-pay span{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 12px;border-radius:var(--r-sm);
  background:rgba(56,189,248,.08);
  border:1px solid var(--line);
  color:#DCF2FF;font-size:.78rem;font-weight:600;
}
.foot-pay i{color:var(--cyan)}
.foot-bottom{
  margin-top:34px;padding-top:20px;
  border-top:1px solid rgba(148,163,184,.16);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  color:var(--txt-2);font-size:.79rem;
}
.foot-bottom p{margin:0}

/* ============ FAB ============ */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  display:inline-flex;align-items:center;gap:10px;
  padding:12px 18px 12px 14px;
  border-radius:var(--r-pill);
  background:rgba(7,7,13,.82);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border:1px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.86),rgba(7,7,13,.86)),
    linear-gradient(135deg,var(--cyan),var(--blue));
  background-origin:border-box;
  background-clip:padding-box,border-box;
  color:#EAF6FF;font-size:.83rem;font-weight:700;
  box-shadow:0 0 20px rgba(6,182,212,.45);
  opacity:.86;
  animation:fabPulse 3s ease-in-out infinite;
}
.fab i{color:var(--cyan);font-size:1rem}
.fab:hover{opacity:1;color:#fff;box-shadow:0 0 30px rgba(6,182,212,.72);transform:translateY(-3px)}
.fab:active{transform:scale(.96) translateY(1px)}
.fab .fab-dot{
  position:absolute;top:-3px;right:-3px;
  width:12px;height:12px;border-radius:50%;
  background:var(--danger);
  box-shadow:0 0 0 3px rgba(3,7,18,.9);
  animation:fabBlink 1.4s infinite;
}
@keyframes fabPulse{0%,100%{box-shadow:0 0 18px rgba(6,182,212,.38)}50%{box-shadow:0 0 32px rgba(6,182,212,.72)}}
@keyframes fabBlink{0%,100%{opacity:1}50%{opacity:.25}}

/* ============ RESPONSIVE ============ */
@media (max-width:1100px){
  .hero-inner{grid-template-columns:1fr;gap:30px}
  .metric-strip{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .step-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-wrap{grid-template-columns:1fr}
  .scene-wrap{grid-template-columns:1fr}
  .nav-links a{padding:9px 11px;font-size:.87rem}
}
@media (max-width:860px){
  .nav-toggle{display:grid;place-items:center;margin-left:auto}
  .nav-inner{height:68px;gap:12px}
  .nav-links{
    position:fixed;top:68px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:2px;
    background:rgba(3,7,18,.98);
    border-bottom:1px solid var(--line);
    padding:14px 18px 22px;
    max-height:0;overflow:hidden;
    transition:max-height .3s ease, padding .3s ease;
  }
  .nav-links.open{max-height:420px}
  .nav-links a{padding:13px 14px;border-radius:12px;font-size:.95rem}
  .nav-actions .btn-ghost{display:none}
  .brand-text small{display:none}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .hero{padding:118px 0 58px}
}
@media (max-width:640px){
  body{font-size:15.5px}
  .grid-4,.grid-3,.grid-2,.news-grid,.step-grid{grid-template-columns:1fr}
  .metric-strip{grid-template-columns:1fr;margin-top:-22px}
  .hero{padding:104px 0 46px}
  .hero-cta .btn-neon.lg,.hero-cta .btn-ghost.lg{width:100%;justify-content:center}
  .check-panel{padding:22px 18px}
  .info-card,.news-card,.chan-card{padding:20px 18px}
  .foot-bottom{flex-direction:column}
  .fab{bottom:84px;left:12px;padding:11px 16px 11px 13px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .hero-points{flex-direction:column;gap:8px}
  .cta-band{padding:24px 18px}
  table.compare th,table.compare td{padding:12px 13px;font-size:.85rem}
  .fab span.fab-txt{display:none}
  .fab{padding:13px;width:52px;height:52px;justify-content:center}
}

/* roulang page: category3 */
:root{
  --bg:#030712;
  --bg-deep:#081229;
  --bg-soft:#0A1730;
  --panel:rgba(255,255,255,.045);
  --panel-strong:rgba(10,23,48,.78);
  --line:rgba(56,189,248,.18);
  --line-strong:rgba(56,189,248,.48);
  --txt:#F8FAFC;
  --txt-2:#94A3B8;
  --txt-3:#CBD5E1;
  --blue:#2563EB;
  --cyan:#38BDF8;
  --holo:#60A5FA;
  --gold:#FBBF24;
  --green:#34D399;
  --danger:#F43F5E;
  --r-sm:10px;
  --r:16px;
  --r-lg:24px;
  --r-pill:999px;
  --sp-section:clamp(52px,6.4vw,92px);
  --shadow:0 20px 55px rgba(2,8,23,.65);
  --glow:0 0 26px rgba(56,189,248,.42);
  --ff:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--ff);
  background:var(--bg);
  color:var(--txt);
  font-size:16px;
  line-height:1.62;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background:
    radial-gradient(900px 520px at 10% -8%, rgba(37,99,235,.26), transparent 62%),
    radial-gradient(820px 520px at 100% 4%, rgba(56,189,248,.16), transparent 58%),
    linear-gradient(180deg, rgba(8,18,41,.65), rgba(3,7,18,0) 40%);
}
img{max-width:100%;display:block;height:auto}
a{color:var(--cyan);text-decoration:none;transition:color .2s ease,opacity .2s ease}
a:hover{color:#7DD3FC}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,h5{margin:0 0 .5em;font-weight:800;line-height:1.24;color:#fff}
p{margin:0 0 1em}
ul{margin:0;padding:0}
main,header,footer{position:relative;z-index:1}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.app-container{max-width:1220px}
::selection{background:rgba(56,189,248,.32);color:#fff}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}

/* ============ HEADER ============ */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:1000;
  background:rgba(3,7,18,.82);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;gap:20px;height:74px}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;flex-shrink:0}
.brand-mark{
  width:42px;height:42px;border-radius:13px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,var(--blue),var(--cyan));
  color:#03111F;font-size:1.05rem;
  box-shadow:0 0 20px rgba(56,189,248,.5);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{color:#fff;font-size:1.05rem;font-weight:800;letter-spacing:.2px}
.brand-text small{color:var(--txt-2);font-size:.67rem;letter-spacing:.5px;text-transform:uppercase}
.nav-links{display:flex;align-items:center;gap:4px;list-style:none;margin:0;padding:0;flex:1}
.nav-links li{margin:0}
.nav-links a{
  display:block;
  padding:9px 14px;
  border-radius:var(--r-pill);
  color:var(--txt-3);
  font-size:.92rem;
  font-weight:500;
  white-space:nowrap;
  border:1px solid transparent;
}
.nav-links a:hover{color:#fff;background:rgba(56,189,248,.1);border-color:var(--line)}
.nav-links a.active{
  color:#EAF6FF;
  background:linear-gradient(135deg,rgba(37,99,235,.35),rgba(56,189,248,.22));
  border-color:var(--line-strong);
}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.btn-ghost{
  display:inline-flex;align-items:center;gap:7px;
  padding:9px 16px;border-radius:var(--r-pill);
  border:1px solid var(--line-strong);
  background:rgba(56,189,248,.07);
  color:#DCF2FF;font-size:.88rem;font-weight:600;
}
.btn-ghost:hover{color:#fff;background:rgba(56,189,248,.16);border-color:var(--cyan)}
.btn-neon{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 20px;border-radius:var(--r-pill);
  border:0;
  background:linear-gradient(135deg,var(--blue),var(--cyan));
  color:#02121F;font-size:.9rem;font-weight:800;
  box-shadow:0 0 22px rgba(56,189,248,.45);
}
.btn-neon:hover{color:#02121F;transform:translateY(-2px);box-shadow:0 0 34px rgba(56,189,248,.72)}
.btn-neon.lg,.btn-ghost.lg{padding:14px 28px;font-size:.98rem}
.nav-toggle{
  display:none;
  width:44px;height:44px;border-radius:12px;
  background:rgba(56,189,248,.1);
  border:1px solid var(--line);
  color:#DCF2FF;font-size:1.1rem;cursor:pointer;
}

/* ============ HERO ============ */
.hero{
  position:relative;
  padding:150px 0 76px;
  overflow:hidden;
  border-bottom:1px solid var(--line);
}
.hero-bg{
  position:absolute;inset:0;
  background:url("/assets/images/4fe5a0e82586bc0d.jpg") center/cover no-repeat;
  opacity:.28;
  filter:saturate(1.15);
}
.hero-veil{
  position:absolute;inset:0;
  background:
    linear-gradient(100deg,rgba(3,7,18,.97) 6%,rgba(3,7,18,.76) 46%,rgba(3,7,18,.5) 100%),
    radial-gradient(700px 380px at 82% 18%, rgba(37,99,235,.34), transparent 66%);
}
.hero-inner{position:relative;display:grid;grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);gap:46px;align-items:center}
.hero-badge{
  display:inline-flex;align-items:center;gap:9px;
  padding:7px 15px;border-radius:var(--r-pill);
  background:rgba(56,189,248,.12);
  border:1px solid var(--line-strong);
  color:#BFE9FF;font-size:.75rem;font-weight:700;
  letter-spacing:1.1px;text-transform:uppercase;
  margin-bottom:18px;
}
.hero h1{font-size:clamp(1.85rem,4vw,3rem);margin-bottom:16px;line-height:1.2}
.hero h1 .hl{
  background:linear-gradient(120deg,var(--cyan),var(--holo) 60%,#A5F3FC);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;
}
.hero-lead{font-size:1.03rem;color:#C9DCEE;max-width:640px;margin-bottom:0}
.hero-cta{display:flex;flex-wrap:wrap;gap:13px;margin:26px 0 22px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 24px;list-style:none;padding:0;margin:0}
.hero-points li{display:flex;align-items:center;gap:8px;color:var(--txt-2);font-size:.88rem;margin:0}
.hero-points i{color:var(--cyan)}

/* hero panel */
.secure-panel{
  background:linear-gradient(160deg,rgba(10,23,48,.85),rgba(3,7,18,.72));
  border:1px solid var(--line-strong);
  border-radius:var(--r-lg);
  padding:26px 24px;
  box-shadow:var(--shadow),0 0 42px rgba(37,99,235,.16);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
}
.secure-panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}
.secure-panel-head h2{font-size:1rem;margin:0;letter-spacing:.3px}
.live-pill{
  display:inline-flex;align-items:center;gap:7px;
  font-size:.68rem;font-weight:800;letter-spacing:1px;text-transform:uppercase;
  padding:5px 11px;border-radius:var(--r-pill);
  background:rgba(52,211,153,.14);
  border:1px solid rgba(52,211,153,.42);
  color:#6EE7B7;
}
.live-pill .dot{width:7px;height:7px;border-radius:50%;background:var(--green);animation:pulseDot 1.6s infinite}
@keyframes pulseDot{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.45;transform:scale(.78)}}
.secure-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:13px}
.secure-list li{
  display:flex;align-items:flex-start;gap:12px;
  padding-bottom:13px;
  border-bottom:1px dashed rgba(56,189,248,.16);
  font-size:.9rem;
  color:var(--txt-3);
}
.secure-list li:last-child{border-bottom:0;padding-bottom:0}
.secure-list .ico{
  flex:0 0 30px;width:30px;height:30px;border-radius:9px;
  display:grid;place-items:center;
  background:rgba(56,189,248,.12);
  color:var(--cyan);font-size:.78rem;
}
.secure-list b{display:block;color:#fff;font-size:.92rem;font-weight:700;margin-bottom:2px}
.secure-list span{color:var(--txt-2);font-size:.82rem;line-height:1.5}

/* ============ SECTIONS ============ */
.section{padding:var(--sp-section) 0;position:relative}
.section--alt{
  background:linear-gradient(180deg,rgba(8,18,41,.72),rgba(3,7,18,.12));
  border-top:1px solid rgba(56,189,248,.1);
  border-bottom:1px solid rgba(56,189,248,.1);
}
.section--deep{background:linear-gradient(180deg,#050C1C,#030712)}
.section-head{max-width:800px;margin-bottom:40px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.73rem;font-weight:700;letter-spacing:1.4px;text-transform:uppercase;
  color:var(--cyan);margin-bottom:12px;
}
.eyebrow::before{content:"";width:26px;height:2px;background:linear-gradient(90deg,var(--cyan),transparent)}
.section-head.center .eyebrow::after{content:"";width:26px;height:2px;background:linear-gradient(270deg,var(--cyan),transparent)}
.section-head h2{font-size:clamp(1.5rem,2.8vw,2.15rem);margin-bottom:12px}
.section-head p{color:var(--txt-2);font-size:.97rem;margin:0}

/* metric strip */
.metric-row{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:0;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  background:linear-gradient(160deg,rgba(10,23,48,.6),rgba(3,7,18,.5));
  box-shadow:var(--shadow);
}
.metric-cell{
  padding:28px 24px;
  border-right:1px solid rgba(56,189,248,.12);
  position:relative;
}
.metric-cell:last-child{border-right:0}
.metric-cell i{
  display:grid;place-items:center;
  width:38px;height:38px;border-radius:11px;
  background:rgba(56,189,248,.12);
  color:var(--cyan);font-size:.9rem;margin-bottom:14px;
}
.metric-cell .num{
  font-size:clamp(1.4rem,2.6vw,1.95rem);
  font-weight:900;
  color:#fff;
  letter-spacing:-.5px;
  line-height:1.1;
  margin-bottom:6px;
}
.metric-cell .num em{font-style:normal;color:var(--cyan);font-size:.62em;font-weight:700;margin-left:3px}
.metric-cell .lbl{color:var(--txt-2);font-size:.83rem;line-height:1.5;margin:0}

/* feature grid */
.feature-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.feature-card{
  background:linear-gradient(165deg,rgba(10,23,48,.62),rgba(3,7,18,.5));
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:28px 24px;
  transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;
  position:relative;
  overflow:hidden;
}
.feature-card::after{
  content:"";
  position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,transparent,rgba(56,189,248,.7),transparent);
  opacity:0;
  transition:opacity .28s ease;
}
.feature-card:hover{transform:translateY(-6px);border-color:var(--line-strong);box-shadow:0 18px 44px rgba(2,8,23,.7),0 0 30px rgba(56,189,248,.18)}
.feature-card:hover::after{opacity:1}
.feature-card .fc-ico{
  width:48px;height:48px;border-radius:14px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(37,99,235,.34),rgba(56,189,248,.16));
  border:1px solid var(--line-strong);
  color:var(--cyan);font-size:1.05rem;
  margin-bottom:16px;
}
.feature-card h3{font-size:1.06rem;margin-bottom:9px}
.feature-card p{color:var(--txt-2);font-size:.9rem;margin:0;line-height:1.62}

/* compare */
.compare-wrap{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.compare-col{
  border-radius:var(--r-lg);
  padding:30px 26px;
  border:1px solid var(--line);
  background:linear-gradient(165deg,rgba(10,23,48,.5),rgba(3,7,18,.45));
}
.compare-col.good{
  border-color:rgba(52,211,153,.4);
  background:linear-gradient(165deg,rgba(6,48,40,.5),rgba(3,7,18,.5));
  box-shadow:0 0 34px rgba(52,211,153,.12);
}
.compare-col.bad{border-color:rgba(244,63,94,.28)}
.compare-col h3{display:flex;align-items:center;gap:10px;font-size:1.08rem;margin-bottom:18px}
.compare-col.bad h3 i{color:var(--danger)}
.compare-col.good h3 i{color:var(--green)}
.compare-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:14px}
.compare-list li{display:flex;gap:11px;align-items:flex-start;font-size:.9rem;color:var(--txt-3);line-height:1.6}
.compare-list li i{margin-top:4px;font-size:.78rem;flex-shrink:0}
.compare-col.bad .compare-list i{color:var(--danger)}
.compare-col.good .compare-list i{color:var(--green)}

/* milestones */
.milestone-track{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:20px;
  position:relative;
}
.milestone-track::before{
  content:"";
  position:absolute;
  top:26px;left:6%;right:6%;height:1px;
  background:linear-gradient(90deg,transparent,rgba(56,189,248,.45),transparent);
}
.milestone{
  text-align:left;
  position:relative;
  padding-top:64px;
}
.milestone .node{
  position:absolute;top:0;left:0;
  width:52px;height:52px;border-radius:16px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,var(--blue),var(--cyan));
  color:#02121F;font-size:1rem;font-weight:800;
  box-shadow:0 0 24px rgba(56,189,248,.42);
}
.milestone h3{font-size:.99rem;margin-bottom:7px}
.milestone p{color:var(--txt-2);font-size:.86rem;margin:0;line-height:1.58}

/* news cards */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.news-card{
  display:flex;flex-direction:column;
  background:linear-gradient(165deg,rgba(10,23,48,.6),rgba(3,7,18,.5));
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  transition:transform .28s ease,border-color .28s ease,box-shadow .28s ease;
}
.news-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:0 18px 42px rgba(2,8,23,.72)}
.news-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:rgba(8,18,41,.8)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.news-card:hover .news-thumb img{transform:scale(1.06)}
.news-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1}
.news-meta{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:11px}
.news-meta .chip{
  font-size:.68rem;font-weight:700;letter-spacing:.6px;text-transform:uppercase;
  padding:4px 10px;border-radius:var(--r-pill);
  background:rgba(56,189,248,.13);
  border:1px solid var(--line-strong);
  color:#BEE7FF;
}
.news-meta .date{font-size:.76rem;color:var(--txt-2)}
.news-body h3{font-size:1rem;margin-bottom:9px;line-height:1.4}
.news-body h3 a{color:#fff}
.news-body h3 a:hover{color:var(--cyan)}
.news-body p{color:var(--txt-2);font-size:.87rem;margin:0 0 16px;line-height:1.6}
.news-more{margin-top:auto;font-size:.84rem;font-weight:700;color:var(--cyan);display:inline-flex;align-items:center;gap:7px}
.empty-note{color:var(--txt-2);font-size:.92rem;padding:22px 0}

/* assurance */
.assure-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}
.assure-item{
  border-left:2px solid rgba(56,189,248,.4);
  padding:4px 0 4px 20px;
}
.assure-item i{color:var(--cyan);font-size:1.1rem;margin-bottom:12px;display:block}
.assure-item h3{font-size:.99rem;margin-bottom:7px}
.assure-item p{color:var(--txt-2);font-size:.86rem;margin:0;line-height:1.58}
.pay-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.pay-chip{
  display:inline-flex;align-items:center;gap:9px;
  padding:10px 18px;border-radius:var(--r-pill);
  background:rgba(56,189,248,.08);
  border:1px solid var(--line);
  color:var(--txt-3);font-size:.85rem;font-weight:600;
}
.pay-chip i{color:var(--cyan)}

/* faq */
.faq-wrap{max-width:880px;margin:0 auto}
.accordion-item{
  background:linear-gradient(165deg,rgba(10,23,48,.6),rgba(3,7,18,.5)) !important;
  border:1px solid var(--line) !important;
  border-radius:var(--r) !important;
  margin-bottom:12px;
  overflow:hidden;
}
.accordion-button{
  background:transparent !important;
  color:#fff !important;
  font-weight:700;
  font-size:.97rem;
  padding:19px 22px;
  box-shadow:none !important;
  border-radius:var(--r) !important;
}
.accordion-button:not(.collapsed){color:var(--cyan) !important}
.accordion-button::after{filter:invert(72%) sepia(52%) saturate(1400%) hue-rotate(168deg)}
.accordion-body{color:var(--txt-2);font-size:.9rem;padding:0 22px 20px;line-height:1.68}

/* cta form */
.cta-block{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,.9fr);
  gap:44px;
  align-items:center;
  background:linear-gradient(150deg,rgba(10,23,48,.82),rgba(3,7,18,.72));
  border:1px solid var(--line-strong);
  border-radius:var(--r-lg);
  padding:44px 40px;
  box-shadow:var(--shadow),0 0 50px rgba(37,99,235,.16);
}
.cta-copy h2{font-size:clamp(1.45rem,2.7vw,2rem);margin-bottom:14px}
.cta-copy p{color:var(--txt-2);font-size:.95rem;margin-bottom:20px}
.cta-benefits{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:11px}
.cta-benefits li{display:flex;align-items:center;gap:10px;color:var(--txt-3);font-size:.88rem}
.cta-benefits i{color:var(--green)}
.form-card{
  background:rgba(3,7,18,.6);
  border:1px solid var(--line);
  border-radius:var(--r);
  padding:26px 24px;
}
.form-card h3{font-size:1.02rem;margin-bottom:6px}
.form-card .form-note{color:var(--txt-2);font-size:.82rem;margin-bottom:18px}
.form-label{font-size:.82rem;color:var(--txt-3);font-weight:600;margin-bottom:6px}
.form-control,.form-select{
  background:rgba(8,18,41,.85);
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  color:#fff;
  font-size:.9rem;
  padding:11px 14px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.form-control::placeholder{color:#5A7391}
.form-control:focus,.form-select:focus{
  background:rgba(8,18,41,.95);
  border-color:var(--cyan);
  box-shadow:0 0 0 3px rgba(56,189,248,.18);
  color:#fff;
}
.form-select option{background:#081229;color:#fff}
.form-btn{
  width:100%;
  border:0;
  border-radius:var(--r-pill);
  padding:14px 22px;
  font-weight:800;
  font-size:.95rem;
  background:linear-gradient(135deg,var(--blue),var(--cyan));
  color:#02121F;
  box-shadow:0 0 24px rgba(56,189,248,.45);
  transition:transform .2s ease,box-shadow .2s ease;
}
.form-btn:hover{transform:translateY(-2px);box-shadow:0 0 36px rgba(56,189,248,.72)}
.form-btn:active{transform:translateY(0)}
.form-foot{font-size:.76rem;color:var(--txt-2);margin:14px 0 0;text-align:center}

/* breadcrumb */
.crumb{font-size:.8rem;color:var(--txt-2);margin-bottom:16px}
.crumb a{color:var(--txt-2)}
.crumb a:hover{color:var(--cyan)}
.crumb span{color:var(--txt-3)}

/* ============ FOOTER ============ */
.site-footer{
  position:relative;
  padding:66px 0 26px;
  background:linear-gradient(180deg,rgba(3,7,18,.6),#02060F);
  border-top:1px solid var(--line-strong);
}
.site-footer h3{font-size:.92rem;letter-spacing:.4px;text-transform:uppercase;color:#fff;margin-bottom:16px}
.site-footer .brand b{display:block;color:#fff;font-size:1rem;font-weight:800}
.site-footer .brand span{color:var(--txt-2);font-size:.78rem;display:block;margin-top:2px}
.foot-desc{color:var(--txt-2);font-size:.86rem;margin:16px 0 16px;max-width:400px;line-height:1.62}
.tags{display:flex;flex-wrap:wrap;gap:9px}
.tag{
  display:inline-flex;align-items:center;gap:7px;
  font-size:.74rem;font-weight:700;
  padding:6px 13px;border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:rgba(56,189,248,.08);
  color:#C7E9FF;
}
.tag.gold{border-color:rgba(251,191,36,.4);background:rgba(251,191,36,.1);color:#FDE68A}
.tag.green{border-color:rgba(52,211,153,.4);background:rgba(52,211,153,.1);color:#A7F3D0}
.foot-links{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px}
.foot-links a{color:var(--txt-2);font-size:.86rem;display:inline-flex;align-items:center;gap:9px}
.foot-links a:hover{color:var(--cyan)}
.foot-links i{color:var(--cyan);font-size:.82rem;width:16px;text-align:center}
.foot-pay{display:flex;flex-wrap:wrap;gap:9px;margin-top:18px}
.foot-pay span{
  display:inline-flex;align-items:center;gap:7px;
  font-size:.74rem;font-weight:600;
  padding:6px 12px;border-radius:var(--r-sm);
  background:rgba(255,255,255,.045);
  border:1px solid var(--line);
  color:var(--txt-3);
}
.foot-pay i{color:var(--cyan)}
.foot-bottom{
  margin-top:44px;
  padding-top:22px;
  border-top:1px solid rgba(56,189,248,.14);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
}
.foot-bottom p{margin:0;color:var(--txt-2);font-size:.8rem}
.foot-bottom .legal{display:flex;flex-wrap:wrap;gap:16px}
.foot-bottom .legal a{color:var(--txt-2);font-size:.8rem}
.foot-bottom .legal a:hover{color:var(--cyan)}

/* ============ FAB ============ */
.fab{
  position:fixed;
  left:16px;
  bottom:96px;
  z-index:50;
  display:inline-flex;
  align-items:center;
  gap:10px;
  min-height:56px;
  padding:12px 20px;
  border-radius:var(--r-pill);
  background:rgba(3,7,18,.82);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border:1px solid rgba(56,189,248,.6);
  color:#EAF6FF;
  font-weight:700;
  font-size:.85rem;
  box-shadow:0 0 20px rgba(56,189,248,.45);
  animation:fabPulse 3.2s ease-in-out infinite;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease,opacity .25s ease;
  opacity:.78;
}
.fab:hover{
  color:#fff;
  opacity:1;
  transform:scale(1.06);
  border-color:var(--cyan);
  box-shadow:0 0 36px rgba(56,189,248,.82);
}
.fab:active{transform:scale(.95)}
.fab i{color:var(--cyan);font-size:1rem}
.fab-dot{
  position:absolute;top:6px;right:10px;
  width:10px;height:10px;border-radius:50%;
  background:var(--danger);
  box-shadow:0 0 0 2px rgba(3,7,18,.92);
  animation:blinkDot 1.4s infinite;
}
@keyframes fabPulse{0%,100%{box-shadow:0 0 20px rgba(56,189,248,.42)}50%{box-shadow:0 0 30px rgba(56,189,248,.68)}}
@keyframes blinkDot{0%,100%{opacity:1}50%{opacity:.28}}

/* ============ RESPONSIVE ============ */
@media (max-width:1100px){
  .nav-links a{padding:8px 11px;font-size:.87rem}
  .metric-row{grid-template-columns:repeat(2,minmax(0,1fr))}
  .metric-cell:nth-child(2){border-right:0}
  .metric-cell:nth-child(1),.metric-cell:nth-child(2){border-bottom:1px solid rgba(56,189,248,.12)}
  .assure-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .milestone-track{grid-template-columns:repeat(2,minmax(0,1fr))}
  .milestone-track::before{display:none}
}
@media (max-width:980px){
  .nav-toggle{display:grid;place-items:center;margin-left:auto}
  .nav-links{
    position:absolute;
    top:74px;left:0;right:0;
    flex-direction:column;
    align-items:stretch;
    background:rgba(3,7,18,.97);
    backdrop-filter:blur(18px);
    -webkit-backdrop-filter:blur(18px);
    border-bottom:1px solid var(--line);
    padding:12px 20px 20px;
    gap:6px;
    display:none;
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 14px;border-radius:var(--r-sm)}
  .nav-actions .btn-ghost{display:none}
  .hero{padding:132px 0 62px}
  .hero-inner{grid-template-columns:1fr;gap:32px}
  .feature-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-block{grid-template-columns:1fr;gap:30px;padding:34px 26px}
}
@media (max-width:768px){
  .compare-wrap{grid-template-columns:1fr}
  .brand-text small{display:none}
  .section{padding:52px 0}
}
@media (max-width:560px){
  .nav-actions .btn-neon{padding:9px 14px;font-size:.82rem}
  .brand-text strong{font-size:.95rem}
  .feature-grid,.news-grid,.assure-grid,.milestone-track,.metric-row{grid-template-columns:1fr}
  .metric-cell{border-right:0;border-bottom:1px solid rgba(56,189,248,.12)}
  .metric-cell:last-child{border-bottom:0}
  .hero{padding:118px 0 52px}
  .hero-cta .btn-neon,.hero-cta .btn-ghost{width:100%;justify-content:center}
  .foot-bottom{flex-direction:column;align-items:flex-start}
  .fab{left:12px;bottom:86px;padding:10px 16px;font-size:.79rem}
}

/* roulang page: category2 */
:root{
  --bg:#030712;
  --bg-deep:#081229;
  --bg-soft:#0A1730;
  --panel:rgba(255,255,255,.045);
  --panel-strong:rgba(10,23,48,.78);
  --line:rgba(56,189,248,.18);
  --line-strong:rgba(56,189,248,.48);
  --txt:#F8FAFC;
  --txt-2:#94A3B8;
  --txt-3:#CBD5E1;
  --blue:#2563EB;
  --cyan:#38BDF8;
  --holo:#60A5FA;
  --gold:#FBBF24;
  --green:#34D399;
  --danger:#F43F5E;
  --r-sm:10px;
  --r:16px;
  --r-lg:24px;
  --r-pill:999px;
  --sp-section:clamp(52px,6.4vw,92px);
  --shadow:0 20px 55px rgba(2,8,23,.65);
  --glow:0 0 26px rgba(56,189,248,.42);
  --ff:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--ff);
  background:var(--bg);
  color:var(--txt);
  font-size:16px;
  line-height:1.62;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background:
    radial-gradient(900px 520px at 10% -8%, rgba(37,99,235,.26), transparent 62%),
    radial-gradient(820px 520px at 100% 4%, rgba(56,189,248,.16), transparent 58%),
    linear-gradient(180deg, rgba(8,18,41,.65), rgba(3,7,18,0) 40%);
}
img{max-width:100%;height:auto;display:block}
a{color:var(--cyan);text-decoration:none;transition:color .2s ease,opacity .2s ease,background .2s ease,border-color .2s ease}
a:hover{color:#7DD3FC}
h1,h2,h3,h4{margin:0 0 .55em;line-height:1.25;font-weight:800;color:#fff;letter-spacing:-.2px}
h1{font-size:clamp(1.9rem,3.5vw,2.95rem)}
h2{font-size:clamp(1.45rem,2.4vw,2.1rem)}
h3{font-size:1.05rem;font-weight:700}
p{margin:0 0 1em}
ul,ol{margin:0 0 1em;padding-left:1.2em}
li{margin-bottom:.45em}
button,input,select,textarea{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}
main,header,footer{position:relative;z-index:1}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.app-container{max-width:1220px}

/* ============ HEADER ============ */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:1000;
  background:rgba(3,7,18,.82);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;gap:20px;height:74px}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;flex-shrink:0}
.brand-mark{
  width:42px;height:42px;border-radius:13px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,var(--blue),var(--cyan));
  color:#03111F;font-size:1.05rem;
  box-shadow:0 0 20px rgba(56,189,248,.5);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{color:#fff;font-size:1.05rem;font-weight:800;letter-spacing:.2px}
.brand-text small{color:var(--txt-2);font-size:.67rem;letter-spacing:.5px;text-transform:uppercase}
.nav-links{display:flex;align-items:center;gap:4px;list-style:none;margin:0;padding:0;flex:1}
.nav-links li{margin:0}
.nav-links a{
  display:block;
  padding:9px 14px;
  border-radius:var(--r-pill);
  color:var(--txt-3);
  font-size:.92rem;
  font-weight:500;
  white-space:nowrap;
  border:1px solid transparent;
}
.nav-links a:hover{color:#fff;background:rgba(56,189,248,.1);border-color:var(--line)}
.nav-links a.active{
  color:#EAF6FF;
  background:linear-gradient(135deg,rgba(37,99,235,.35),rgba(56,189,248,.22));
  border-color:var(--line-strong);
}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0}
.btn-ghost{
  display:inline-flex;align-items:center;gap:7px;
  padding:9px 16px;border-radius:var(--r-pill);
  border:1px solid var(--line-strong);
  background:rgba(56,189,248,.07);
  color:#DCF2FF;font-size:.88rem;font-weight:600;
}
.btn-ghost:hover{color:#fff;background:rgba(56,189,248,.16);border-color:var(--cyan)}
.btn-neon{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 20px;border-radius:var(--r-pill);
  border:0;
  background:linear-gradient(135deg,var(--blue),var(--cyan));
  color:#02121F;font-size:.9rem;font-weight:800;
  box-shadow:0 0 22px rgba(56,189,248,.45);
}
.btn-neon:hover{color:#02121F;transform:translateY(-2px);box-shadow:0 0 34px rgba(56,189,248,.72)}
.btn-neon.lg,.btn-ghost.lg{padding:14px 28px;font-size:.98rem}
.nav-toggle{
  display:none;
  width:44px;height:44px;border-radius:12px;
  background:rgba(56,189,248,.1);
  border:1px solid var(--line);
  color:#DCF2FF;font-size:1.1rem;cursor:pointer;
}

/* ============ SECTION SYSTEM ============ */
.section{padding:var(--sp-section) 0;position:relative}
.section--alt{
  background:linear-gradient(180deg,rgba(8,18,41,.72),rgba(3,7,18,.1));
  border-top:1px solid rgba(56,189,248,.1);
  border-bottom:1px solid rgba(56,189,248,.1);
}
.section--deep{background:linear-gradient(180deg,#050C1C,#030712)}
.section-head{max-width:790px;margin-bottom:38px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.74rem;font-weight:700;letter-spacing:1.4px;text-transform:uppercase;
  color:var(--cyan);margin-bottom:12px;
}
.eyebrow::before{content:"";width:26px;height:2px;background:linear-gradient(90deg,var(--cyan),transparent)}
.section-head p{color:var(--txt-2);font-size:1rem;margin:0}
.grid{display:grid;gap:18px}
.g-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g-4{grid-template-columns:repeat(4,minmax(0,1fr))}

/* ============ CATEGORY HERO ============ */
.cat-hero{
  position:relative;
  padding:142px 0 68px;
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background:url("/assets/images/4fe5a0e82586bc0d.jpg") center/cover no-repeat;
  opacity:.24;filter:saturate(1.1);
}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(3,7,18,.97) 6%,rgba(3,7,18,.76) 46%,rgba(3,7,18,.55) 100%),
             radial-gradient(680px 360px at 84% 14%, rgba(37,99,235,.34), transparent 66%);
}
.cat-hero .container{position:relative;z-index:2}
.crumbs{display:flex;flex-wrap:wrap;gap:8px;align-items:center;list-style:none;padding:0;margin:0 0 20px;font-size:.82rem;color:var(--txt-2)}
.crumbs li{margin:0}
.crumbs li:not(:last-child)::after{content:"/";margin-left:8px;color:rgba(148,163,184,.55)}
.crumbs a{color:var(--txt-3)}
.crumbs span{color:var(--cyan);font-weight:600}
.cat-hero-grid{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,.9fr);gap:40px;align-items:center}
.cat-hero h1{margin-bottom:16px}
.cat-hero h1 .hl{
  background:linear-gradient(120deg,var(--cyan),var(--holo) 58%,#A5F3FC);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;
}
.cat-hero .lead{color:#C9DCEE;font-size:1.02rem;max-width:620px}
.hero-cta{display:flex;flex-wrap:wrap;gap:13px;margin:24px 0 18px}
.hero-mini{display:flex;flex-wrap:wrap;gap:10px 22px;list-style:none;padding:0;margin:0}
.hero-mini li{display:flex;align-items:center;gap:8px;color:var(--txt-2);font-size:.87rem;margin:0}
.hero-mini i{color:var(--cyan)}

.hero-panel{
  background:var(--panel-strong);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:22px;
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow);
}
.hero-panel h2{font-size:.82rem;letter-spacing:1.3px;text-transform:uppercase;color:var(--txt-2);font-weight:700;margin-bottom:14px}
.icon-matrix{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-bottom:18px}
.icon-cell{
  display:flex;flex-direction:column;align-items:center;gap:7px;
  padding:12px 6px;border-radius:var(--r-sm);
  background:rgba(56,189,248,.06);
  border:1px solid var(--line);
  font-size:.72rem;color:var(--txt-3);text-align:center;
  transition:transform .22s ease,border-color .22s ease,background .22s ease;
}
.icon-cell i{font-size:1.15rem;color:var(--cyan)}
.icon-cell:hover{transform:translateY(-3px);border-color:var(--line-strong);background:rgba(56,189,248,.13)}
.status-bar{
  border-top:1px solid var(--line);
  padding-top:15px;
  display:grid;gap:10px;
}
.status-row{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:.84rem;color:var(--txt-3)}
.status-row b{color:#fff;font-weight:700}
.dot{
  width:9px;height:9px;border-radius:50%;background:var(--green);
  display:inline-block;margin-right:7px;
  box-shadow:0 0 0 0 rgba(52,211,153,.6);
  animation:pulse 2s infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(52,211,153,.55)}
  70%{box-shadow:0 0 0 9px rgba(52,211,153,0)}
  100%{box-shadow:0 0 0 0 rgba(52,211,153,0)}
}

/* ============ METRICS ============ */
.metric-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:14px}
.metric{
  padding:20px 16px;border-radius:var(--r);
  background:linear-gradient(160deg,rgba(37,99,235,.16),rgba(10,23,48,.5));
  border:1px solid var(--line);
  text-align:left;
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.metric:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:0 14px 34px rgba(2,8,23,.5)}
.metric strong{display:block;font-size:1.45rem;font-weight:800;color:#fff;line-height:1.2}
.metric span{display:block;margin-top:6px;font-size:.8rem;color:var(--txt-2);line-height:1.45}

/* ============ CARDS ============ */
.card-soft{
  height:100%;
  padding:24px;
  border-radius:var(--r);
  background:var(--panel);
  border:1px solid var(--line);
  transition:transform .24s ease,border-color .24s ease,background .24s ease,box-shadow .24s ease;
}
.card-soft:hover{
  transform:translateY(-5px);
  border-color:var(--line-strong);
  background:rgba(56,189,248,.075);
  box-shadow:0 18px 42px rgba(2,8,23,.55);
}
.card-icon{
  width:48px;height:48px;border-radius:14px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(37,99,235,.36),rgba(56,189,248,.22));
  border:1px solid var(--line-strong);
  color:#DCF2FF;font-size:1.1rem;margin-bottom:15px;
}
.card-soft h3{margin-bottom:9px}
.card-soft p{color:var(--txt-2);font-size:.92rem;margin-bottom:14px}
.spec-list{list-style:none;padding:0;margin:0}
.spec-list li{display:flex;justify-content:space-between;gap:12px;padding:8px 0;border-bottom:1px dashed rgba(56,189,248,.16);font-size:.85rem;color:var(--txt-3)}
.spec-list li:last-child{border-bottom:0}
.spec-list b{color:#fff;font-weight:700;white-space:nowrap}

/* ============ STEPS ============ */
.steps{display:grid;gap:16px;grid-template-columns:repeat(4,minmax(0,1fr))}
.step{
  position:relative;
  padding:26px 22px 22px;
  border-radius:var(--r);
  background:linear-gradient(170deg,rgba(10,23,48,.8),rgba(3,7,18,.5));
  border:1px solid var(--line);
}
.step-num{
  position:absolute;top:-14px;left:22px;
  width:34px;height:34px;border-radius:11px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--blue),var(--cyan));
  color:#02121F;font-weight:800;font-size:.9rem;
  box-shadow:0 0 18px rgba(56,189,248,.45);
}
.step h3{margin:14px 0 8px;font-size:1rem}
.step p{color:var(--txt-2);font-size:.88rem;margin:0}

/* ============ TABLE ============ */
.table-shell{
  border:1px solid var(--line);
  border-radius:var(--r);
  background:var(--panel);
  overflow:hidden;
}
.table-scroll{overflow-x:auto}
table.limit-table{width:100%;border-collapse:collapse;min-width:720px}
table.limit-table th,table.limit-table td{padding:15px 18px;text-align:left;font-size:.9rem}
table.limit-table thead th{
  background:rgba(37,99,235,.2);
  color:#DCF2FF;font-weight:700;font-size:.82rem;
  letter-spacing:.6px;text-transform:uppercase;
  border-bottom:1px solid var(--line-strong);
  white-space:nowrap;
}
table.limit-table tbody tr{border-bottom:1px solid rgba(56,189,248,.1)}
table.limit-table tbody tr:last-child{border-bottom:0}
table.limit-table tbody tr:hover{background:rgba(56,189,248,.06)}
table.limit-table td{color:var(--txt-3)}
table.limit-table td b{color:#fff}
.pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 11px;border-radius:var(--r-pill);
  font-size:.76rem;font-weight:700;white-space:nowrap;
}
.pill.fast{background:rgba(52,211,153,.14);color:#6EE7B7;border:1px solid rgba(52,211,153,.4)}
.pill.gold{background:rgba(251,191,36,.14);color:#FCD34D;border:1px solid rgba(251,191,36,.4)}
.pill.blue{background:rgba(56,189,248,.14);color:#BAE6FD;border:1px solid rgba(56,189,248,.4)}

/* ============ COMPARE ============ */
.compare-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.compare-col{
  padding:26px;border-radius:var(--r);
  border:1px solid var(--line);
  background:var(--panel);
}
.compare-col.good{border-color:rgba(52,211,153,.42);background:linear-gradient(170deg,rgba(52,211,153,.09),rgba(3,7,18,.35))}
.compare-col.bad{border-color:rgba(244,63,94,.35);background:linear-gradient(170deg,rgba(244,63,94,.08),rgba(3,7,18,.35))}
.compare-col h3{display:flex;align-items:center;gap:9px;font-size:1.05rem}
.compare-col.good h3 i{color:var(--green)}
.compare-col.bad h3 i{color:var(--danger)}
.check-list{list-style:none;padding:0;margin:0}
.check-list li{display:flex;gap:10px;align-items:flex-start;color:var(--txt-3);font-size:.9rem;padding:7px 0}
.check-list i{margin-top:4px;flex-shrink:0}
.compare-col.good .check-list i{color:var(--green)}
.compare-col.bad .check-list i{color:var(--danger)}

/* ============ TIPS ============ */
.tips-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.85fr);gap:34px;align-items:center}
.tip-item{display:flex;gap:14px;padding:16px 0;border-bottom:1px solid rgba(56,189,248,.12)}
.tip-item:last-child{border-bottom:0}
.tip-item i{color:var(--cyan);font-size:1.05rem;margin-top:4px}
.tip-item h3{font-size:.98rem;margin-bottom:5px}
.tip-item p{color:var(--txt-2);font-size:.88rem;margin:0}
.media-frame{
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow);
}
.media-frame img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/11}
.media-caption{padding:14px 18px;font-size:.82rem;color:var(--txt-2);background:rgba(8,18,41,.85);border-top:1px solid var(--line)}

/* ============ CHANNEL MATRIX ============ */
.channel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.channel-card{
  display:flex;flex-direction:column;gap:12px;
  padding:26px;border-radius:var(--r);
  background:linear-gradient(165deg,rgba(10,23,48,.9),rgba(3,7,18,.55));
  border:1px solid var(--line);
  transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.channel-card:hover{transform:translateY(-6px);border-color:var(--line-strong);box-shadow:0 22px 48px rgba(2,8,23,.6)}
.channel-card .ch-top{display:flex;align-items:center;justify-content:space-between;gap:12px}
.channel-card i.ch-ico{font-size:1.3rem;color:var(--cyan)}
.channel-card h3{margin:0;font-size:1.08rem;color:#fff}
.channel-card p{color:var(--txt-2);font-size:.9rem;margin:0}
.channel-card .ch-link{display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:.88rem;color:var(--cyan)}
.channel-card.current{border-color:var(--line-strong);background:linear-gradient(165deg,rgba(37,99,235,.24),rgba(3,7,18,.6))}

/* ============ CMS LIST ============ */
.post-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.post-card{
  display:flex;flex-direction:column;gap:10px;
  padding:22px;border-radius:var(--r);
  background:var(--panel);
  border:1px solid var(--line);
  color:inherit;
  transition:transform .24s ease,border-color .24s ease,background .24s ease;
}
.post-card:hover{transform:translateY(-5px);border-color:var(--line-strong);background:rgba(56,189,248,.08);color:inherit}
.post-tag{
  align-self:flex-start;
  padding:4px 11px;border-radius:var(--r-pill);
  background:rgba(37,99,235,.24);
  border:1px solid var(--line-strong);
  color:#BAE6FD;font-size:.72rem;font-weight:700;letter-spacing:.4px;
}
.post-card h3{font-size:1rem;margin:0;color:#fff;line-height:1.4}
.post-card p{color:var(--txt-2);font-size:.87rem;margin:0}
.post-card time{color:var(--txt-2);font-size:.78rem;margin-top:auto}
.post-empty{
  padding:26px;border-radius:var(--r);
  border:1px dashed var(--line-strong);
  color:var(--txt-2);font-size:.92rem;margin:0;
}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;margin:0 auto}
.faq-item{
  border:1px solid var(--line);
  border-radius:var(--r);
  background:var(--panel);
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color .22s ease,background .22s ease;
}
.faq-item.open,.faq-item:hover{border-color:var(--line-strong);background:rgba(56,189,248,.06)}
.faq-q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;
  background:transparent;border:0;cursor:pointer;
  color:#fff;font-weight:700;font-size:.98rem;text-align:left;
}
.faq-q i{color:var(--cyan);transition:transform .25s ease;flex-shrink:0}
.faq-item.open .faq-q i{transform:rotate(180deg)}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .32s ease;
}
.faq-item.open .faq-a{max-height:340px}
.faq-a p{padding:0 22px 20px;margin:0;color:var(--txt-2);font-size:.92rem}

/* ============ CTA ============ */
.cta-panel{
  display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);
  gap:34px;
  padding:clamp(26px,3.6vw,48px);
  border-radius:var(--r-lg);
  background:linear-gradient(135deg,rgba(37,99,235,.22),rgba(10,23,48,.82) 62%,rgba(3,7,18,.9));
  border:1px solid var(--line-strong);
  box-shadow:var(--shadow);
}
.cta-panel h2{margin-bottom:12px}
.cta-panel p{color:var(--txt-2);font-size:.96rem}
.cta-list{list-style:none;padding:0;margin:18px 0 0}
.cta-list li{display:flex;gap:10px;color:var(--txt-3);font-size:.89rem;padding:5px 0}
.cta-list i{color:var(--cyan);margin-top:4px}
.cta-form{
  background:rgba(3,7,18,.55);
  border:1px solid var(--line);
  border-radius:var(--r);
  padding:24px;
}
.cta-form label{display:block;font-size:.8rem;font-weight:600;color:var(--txt-2);margin-bottom:6px;letter-spacing:.3px}
.field{margin-bottom:16px}
.field input,.field select{
  width:100%;
  padding:12px 14px;
  border-radius:var(--r-sm);
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  color:#fff;
}
.field input::placeholder{color:rgba(148,163,184,.75)}
.field input:focus,.field select:focus{
  outline:none;
  border-color:var(--cyan);
  box-shadow:0 0 0 3px rgba(56,189,248,.18);
  background:rgba(56,189,248,.07);
}
.field select option{background:#0A1730;color:#fff}
.form-note{font-size:.76rem;color:var(--txt-2);margin:12px 0 0}

/* ============ FAB ============ */
.fab{
  position:fixed;
  left:16px;
  bottom:96px;
  z-index:1050;
  display:inline-flex;
  align-items:center;
  gap:10px;
  min-width:56px;
  min-height:56px;
  padding:12px 18px;
  border-radius:var(--r-pill);
  background:
    linear-gradient(rgba(7,7,13,.86),rgba(7,7,13,.86)) padding-box,
    linear-gradient(135deg,#2563EB,#38BDF8) border-box;
  border:1.5px solid transparent;
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  color:#DCF2FF;
  font-weight:700;
  font-size:.84rem;
  box-shadow:0 0 20px rgba(6,182,212,.45);
  animation:fabPulse 3.4s ease-in-out infinite;
}
.fab:hover{color:#fff;transform:scale(1.06);box-shadow:0 0 32px rgba(6,182,212,.7)}
.fab:active{transform:scale(.96)}
.fab i{font-size:1.05rem;color:var(--cyan);animation:fabBlink 4.2s ease-in-out infinite}
.fab .fab-dot{
  position:absolute;top:6px;right:8px;
  width:10px;height:10px;border-radius:50%;
  background:var(--danger);
  box-shadow:0 0 0 2px rgba(3,7,18,.9);
  animation:pulse 1.8s infinite;
}
@keyframes fabPulse{
  0%,100%{box-shadow:0 0 18px rgba(6,182,212,.38)}
  50%{box-shadow:0 0 30px rgba(6,182,212,.72)}
}
@keyframes fabBlink{
  0%,92%,100%{opacity:1}
  95%{opacity:.35}
}

/* ============ FOOTER ============ */
.site-footer{
  padding:clamp(48px,5.4vw,76px) 0 28px;
  background:linear-gradient(180deg,#040B1A,#030712);
  border-top:1px solid var(--line);
  margin-top:0;
}
.site-footer .brand{margin-bottom:16px}
.site-footer .brand b{display:block;color:#fff;font-size:1.02rem;font-weight:800}
.site-footer .brand span{display:block;color:var(--txt-2);font-size:.8rem}
.foot-desc{color:var(--txt-2);font-size:.9rem;max-width:430px}
.tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:14px}
.tag{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 13px;border-radius:var(--r-pill);
  font-size:.76rem;font-weight:700;
}
.tag.green{background:rgba(52,211,153,.12);color:#6EE7B7;border:1px solid rgba(52,211,153,.36)}
.tag.gold{background:rgba(251,191,36,.12);color:#FCD34D;border:1px solid rgba(251,191,36,.36)}
.site-footer h3{font-size:.86rem;letter-spacing:1px;text-transform:uppercase;color:#fff;margin-bottom:16px;font-weight:700}
.foot-links{list-style:none;padding:0;margin:0}
.foot-links li{margin-bottom:10px}
.foot-links a{color:var(--txt-2);font-size:.89rem}
.foot-links a:hover{color:var(--cyan)}
.foot-links i{width:18px;color:var(--cyan)}
.foot-pay{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.foot-pay span{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 12px;border-radius:var(--r-sm);
  background:rgba(56,189,248,.07);
  border:1px solid var(--line);
  font-size:.76rem;color:var(--txt-3);
}
.foot-bottom{
  margin-top:36px;padding-top:22px;
  border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
}
.foot-bottom p{margin:0;color:var(--txt-2);font-size:.82rem}
.foot-note{color:rgba(148,163,184,.8);font-size:.78rem}

/* ============ RESPONSIVE ============ */
@media (max-width:1100px){
  .metric-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
  .g-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .post-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:992px){
  .nav-toggle{display:inline-grid;place-items:center}
  .nav-links{
    position:absolute;top:74px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;
    padding:14px 18px 20px;
    background:rgba(3,7,18,.97);
    border-bottom:1px solid var(--line);
    display:none;
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:12px 14px;font-size:.95rem}
  .nav-actions .btn-ghost{display:none}
  .cat-hero{padding:126px 0 58px}
  .cat-hero-grid{grid-template-columns:1fr;gap:28px}
  .g-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .channel-grid{grid-template-columns:1fr}
  .tips-layout{grid-template-columns:1fr}
  .cta-panel{grid-template-columns:1fr}
}
@media (max-width:768px){
  .metric-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .compare-grid{grid-template-columns:1fr}
  .g-2,.g-3,.g-4{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .post-grid{grid-template-columns:1fr}
  .brand-text small{display:none}
  .hero-cta .btn-neon,.hero-cta .btn-ghost{width:100%;justify-content:center}
  .fab{bottom:88px;padding:12px 15px;font-size:.78rem}
}
@media (max-width:520px){
  .metric-grid{grid-template-columns:1fr}
  .icon-matrix{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cat-hero{padding:118px 0 48px}
  .container{padding:0 16px}
  .fab span.fab-text{display:none}
  .fab{padding:0;width:56px;height:56px;justify-content:center;border-radius:50%}
  .foot-bottom{flex-direction:column;align-items:flex-start}
}

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