/* roulang page: index */
:root{
  --bg-900:#030712;
  --bg-800:#081229;
  --bg-700:#0c1b3a;
  --glass:rgba(15,30,64,.55);
  --glass-line:rgba(56,189,248,.22);
  --blue:#2563eb;
  --blue-lite:#38bdf8;
  --cyan:#22d3ee;
  --holo:#60a5fa;
  --text:#f8fafc;
  --muted:#94a3b8;
  --soft:#cbd5e1;
  --gold:#fbbf24;
  --danger:#f43f5e;
  --ok:#34d399;
  --radius:18px;
  --radius-sm:12px;
  --radius-lg:26px;
  --shadow:0 18px 48px rgba(2,8,23,.65);
  --shadow-glow:0 0 26px rgba(56,189,248,.35);
  --gap:26px;
  --font:'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  background:
    radial-gradient(1100px 620px at 12% -8%, rgba(37,99,235,.28), transparent 60%),
    radial-gradient(900px 520px at 92% 4%, rgba(34,211,238,.16), transparent 62%),
    var(--bg-900);
  color:var(--text);
  line-height:1.62;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--blue-lite);text-decoration:none;transition:color .22s ease}
a:hover{color:var(--cyan)}
h1,h2,h3,h4{line-height:1.28;margin:0 0 .55em;font-weight:800;letter-spacing:.2px}
p{margin:0 0 1em;color:var(--soft)}
ul{margin:0 0 1em;padding-left:1.15em;color:var(--soft)}
li{margin-bottom:.4em}
button,input,select,textarea{font-family:inherit;font-size:1rem}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}
.container-x{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
.section{padding:66px 0;position:relative}
.section-alt{background:linear-gradient(180deg,rgba(8,18,41,.85),rgba(3,7,18,.35))}
.section-line{border-top:1px solid rgba(148,163,184,.14)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.74rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--cyan);background:rgba(34,211,238,.08);
  border:1px solid rgba(34,211,238,.3);border-radius:999px;
  padding:6px 14px;margin-bottom:16px;
}
.sec-head{max-width:780px;margin-bottom:34px}
.sec-head.left{text-align:left;max-width:820px}
.sec-head h2{font-size:clamp(1.5rem,3vw,2.1rem)}
.sec-head p{color:var(--muted);margin-bottom:0}
.glass{
  background:var(--glass);
  border:1px solid var(--glass-line);
  border-radius:var(--radius);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow);
}
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:999px;font-weight:700;font-size:.95rem;
  border:1px solid transparent;cursor:pointer;transition:transform .2s ease,box-shadow .25s ease,background .25s ease,color .2s ease;
  text-align:center;
}
.btn-primary-x{
  background:linear-gradient(120deg,var(--blue),var(--blue-lite));
  color:#04121f;box-shadow:var(--shadow-glow);
}
.btn-primary-x:hover{transform:translateY(-2px);box-shadow:0 0 34px rgba(56,189,248,.55);color:#04121f}
.btn-ghost-x{
  background:rgba(56,189,248,.06);border-color:rgba(56,189,248,.42);color:var(--blue-lite);
}
.btn-ghost-x:hover{background:rgba(56,189,248,.15);color:#e0f2fe;transform:translateY(-2px)}
.btn-gold-x{
  background:linear-gradient(120deg,#f59e0b,#fcd34d);color:#241503;
}
.btn-gold-x:hover{transform:translateY(-2px);box-shadow:0 0 28px rgba(251,191,36,.45);color:#241503}
.btn-x:active{transform:translateY(1px) scale(.99)}
.tag{
  display:inline-block;font-size:.72rem;font-weight:700;letter-spacing:.08em;
  text-transform:uppercase;padding:4px 11px;border-radius:999px;
  background:rgba(96,165,250,.12);color:var(--holo);border:1px solid rgba(96,165,250,.3);
}
.tag.hot{background:rgba(244,63,94,.14);color:#fda4af;border-color:rgba(244,63,94,.36)}
.tag.gold{background:rgba(251,191,36,.14);color:var(--gold);border-color:rgba(251,191,36,.38)}
.tag.ok{background:rgba(52,211,153,.14);color:var(--ok);border-color:rgba(52,211,153,.35)}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(3,7,18,.82);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(56,189,248,.16);
}
.nav-wrap{display:flex;align-items:center;gap:20px;min-height:74px}
.brand{display:flex;align-items:center;gap:11px;color:var(--text);font-weight:800;letter-spacing:.2px}
.brand:hover{color:var(--text)}
.brand-mark{
  width:42px;height:42px;border-radius:13px;flex:0 0 42px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--blue),var(--cyan));
  color:#04121f;font-size:1.1rem;
  box-shadow:0 0 20px rgba(34,211,238,.42);
}
.brand-text{font-size:.98rem;line-height:1.16;max-width:270px}
.brand-text span{display:block;font-size:.68rem;font-weight:600;color:var(--muted);letter-spacing:.1em;text-transform:uppercase}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
  padding:9px 14px;border-radius:10px;color:var(--soft);font-weight:600;font-size:.9rem;
  transition:background .2s ease,color .2s ease;
}
.nav-links a:hover{background:rgba(56,189,248,.1);color:#e0f2fe}
.nav-links a.active{background:rgba(56,189,248,.16);color:#e0f2fe;box-shadow:inset 0 0 0 1px rgba(56,189,248,.35)}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-actions .btn-x{padding:9px 20px;font-size:.86rem}
.nav-toggle{
  display:none;background:rgba(56,189,248,.08);border:1px solid rgba(56,189,248,.32);
  color:var(--blue-lite);width:44px;height:44px;border-radius:12px;font-size:1.05rem;
}
.mobile-drawer{
  display:none;flex-direction:column;gap:4px;
  padding:12px 0 18px;border-top:1px solid rgba(56,189,248,.14);
}
.mobile-drawer a{padding:11px 14px;border-radius:10px;color:var(--soft);font-weight:600}
.mobile-drawer a.active{background:rgba(56,189,248,.16);color:#e0f2fe}
.mobile-drawer.open{display:flex}

/* ===== Hero ===== */
.hero{
  position:relative;overflow:hidden;
  padding:64px 0 72px;
  background:
    linear-gradient(180deg,rgba(3,7,18,.72),rgba(3,7,18,.94)),
    url('/assets/images/56e1fbfdf3db4f97.jpg') center/cover no-repeat;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(620px 320px at 82% 18%, rgba(34,211,238,.22), transparent 65%),
    radial-gradient(520px 300px at 8% 80%, rgba(37,99,235,.24), transparent 66%);
  pointer-events:none;
}
.hero .container-x{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.74rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:#fde68a;background:rgba(251,191,36,.1);
  border:1px solid rgba(251,191,36,.36);border-radius:999px;padding:7px 16px;margin-bottom:18px;
}
.hero h1{font-size:clamp(1.72rem,4.1vw,2.85rem);margin-bottom:18px}
.hero h1 em{
  font-style:normal;
  background:linear-gradient(120deg,var(--blue-lite),var(--cyan));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{font-size:1.03rem;color:#dbeafe;max-width:640px;margin-bottom:26px}
.hero-cta{display:flex;flex-wrap:wrap;gap:13px;margin-bottom:28px}
.hero-stats{display:flex;flex-wrap:wrap;gap:26px}
.hero-stats div strong{display:block;font-size:1.45rem;color:var(--cyan);font-weight:800}
.hero-stats div span{font-size:.82rem;color:var(--muted);text-transform:uppercase;letter-spacing:.08em}
.hero-panel{padding:24px}
.hero-panel h3{font-size:1.02rem;margin-bottom:14px;color:#e0f2fe}
.tier-list{list-style:none;padding:0;margin:0 0 18px}
.tier-list li{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:11px 14px;border-radius:12px;margin-bottom:9px;
  background:rgba(8,18,41,.62);border:1px solid rgba(56,189,248,.16);
  font-size:.9rem;color:var(--soft);
}
.tier-list li b{color:#fde68a;font-weight:700}
.tier-list li.sel{background:linear-gradient(120deg,rgba(37,99,235,.34),rgba(34,211,238,.2));border-color:rgba(56,189,248,.5)}
.hero-thumb{
  margin-top:16px;border-radius:14px;overflow:hidden;
  border:1px solid rgba(56,189,248,.2);
}
.hero-thumb img{width:100%;height:150px;object-fit:cover}

/* ===== Dashboard ===== */
.dash-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.dash-card{padding:22px 20px;text-align:left}
.dash-card i{font-size:1.3rem;color:var(--cyan);margin-bottom:12px;display:block}
.dash-card strong{display:block;font-size:1.7rem;font-weight:800;color:#e0f2fe;line-height:1.2}
.dash-card span{font-size:.83rem;color:var(--muted)}
.dash-card p{font-size:.88rem;margin:10px 0 0;color:var(--soft)}

/* ===== Matrix / service ===== */
.matrix-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.matrix-card{padding:26px 24px;display:flex;flex-direction:column;transition:transform .25s ease,border-color .25s ease}
.matrix-card:hover{transform:translateY(-5px);border-color:rgba(56,189,248,.5)}
.matrix-card h3{font-size:1.08rem;margin:14px 0 8px}
.matrix-card p{font-size:.9rem;color:var(--muted);margin-bottom:16px}
.matrix-icon{
  width:48px;height:48px;border-radius:14px;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(37,99,235,.5),rgba(34,211,238,.32));
  color:#e0f2fe;font-size:1.15rem;
}
.matrix-card a.more{margin-top:auto;font-weight:700;font-size:.88rem;color:var(--blue-lite)}
.matrix-card a.more:hover{color:var(--cyan)}

/* ===== Compare ===== */
.compare-wrap{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.compare-col{padding:26px 24px}
.compare-col.us{border-color:rgba(52,211,153,.42);background:linear-gradient(180deg,rgba(6,46,32,.4),rgba(15,30,64,.45))}
.compare-col h3{font-size:1.05rem;display:flex;align-items:center;gap:10px}
.compare-col ul{list-style:none;padding:0;margin:14px 0 0}
.compare-col li{display:flex;gap:11px;font-size:.9rem;color:var(--soft);padding:9px 0;border-bottom:1px dashed rgba(148,163,184,.16)}
.compare-col li i{margin-top:4px}
.compare-col.us li i{color:var(--ok)}
.compare-col.them li i{color:var(--danger)}

/* ===== Timeline ===== */
.timeline{position:relative;padding-left:30px;margin:0}
.timeline::before{content:"";position:absolute;left:9px;top:6px;bottom:6px;width:2px;background:linear-gradient(180deg,var(--blue-lite),rgba(56,189,248,.05))}
.timeline-item{position:relative;margin-bottom:26px}
.timeline-item::before{
  content:"";position:absolute;left:-27px;top:6px;width:12px;height:12px;border-radius:50%;
  background:var(--cyan);box-shadow:0 0 0 4px rgba(34,211,238,.16);
}
.timeline-item strong{display:block;color:#e0f2fe;font-size:1rem;margin-bottom:4px}
.timeline-item span{font-size:.8rem;color:var(--cyan);text-transform:uppercase;letter-spacing:.1em}
.timeline-item p{font-size:.9rem;color:var(--muted);margin:6px 0 0}

/* ===== CMS list ===== */
.cms-layout{display:grid;grid-template-columns:1.35fr 1fr;gap:30px;align-items:start}
.cms-list{list-style:none;padding:0;margin:0}
.cms-item{padding:22px 22px;margin-bottom:16px;display:flex;gap:18px;transition:transform .22s ease,border-color .22s ease}
.cms-item:hover{transform:translateY(-3px);border-color:rgba(56,189,248,.5)}
.cms-item .thumb{width:126px;flex:0 0 126px;border-radius:12px;overflow:hidden}
.cms-item .thumb img{width:100%;height:88px;object-fit:cover}
.cms-item h3{font-size:1.02rem;margin:8px 0 7px}
.cms-item h3 a{color:#e0f2fe}
.cms-item h3 a:hover{color:var(--cyan)}
.cms-item p{font-size:.88rem;color:var(--muted);margin-bottom:8px}
.cms-meta{display:flex;flex-wrap:wrap;gap:14px;font-size:.78rem;color:var(--muted)}
.cms-meta i{color:var(--blue-lite);margin-right:5px}
.cms-side .glass{padding:22px}
.cms-side h3{font-size:1rem;margin-bottom:14px;color:#e0f2fe}
.side-list{list-style:none;padding:0;margin:0}
.side-list li{padding:11px 0;border-bottom:1px dashed rgba(148,163,184,.16);font-size:.88rem}
.side-list li:last-child{border-bottom:0}
.side-list a{color:var(--soft)}
.side-list a:hover{color:var(--cyan)}
.empty-note{color:var(--muted);font-size:.95rem;padding:18px 0}

/* ===== Steps ===== */
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step-card{padding:24px 22px}
.step-num{
  font-size:1.9rem;font-weight:800;line-height:1;
  background:linear-gradient(120deg,var(--blue-lite),var(--cyan));
  -webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:12px;
}
.step-card h3{font-size:1rem}
.step-card p{font-size:.88rem;color:var(--muted);margin:0}

/* ===== Proof ===== */
.proof-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.proof-card{padding:24px 22px}
.proof-card p{font-size:.92rem;color:var(--soft);margin:12px 0 16px}
.proof-user{display:flex;align-items:center;gap:12px}
.proof-user img{width:46px;height:46px;border-radius:50%;object-fit:cover;border:2px solid rgba(56,189,248,.45)}
.proof-user strong{display:block;font-size:.9rem;color:#e0f2fe}
.proof-user span{font-size:.78rem;color:var(--muted)}

/* ===== Guarantee ===== */
.guard-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.guard-item{padding:22px 20px;text-align:left}
.guard-item i{font-size:1.35rem;color:var(--gold);margin-bottom:12px;display:block}
.guard-item strong{display:block;font-size:.98rem;color:#e0f2fe;margin-bottom:6px}
.guard-item p{font-size:.85rem;color:var(--muted);margin:0}

/* ===== FAQ ===== */
.faq-list{max-width:880px}
.faq-item{padding:0;margin-bottom:14px;overflow:hidden}
.faq-q{
  width:100%;background:transparent;border:0;color:#e0f2fe;text-align:left;
  padding:19px 22px;font-weight:700;font-size:.98rem;display:flex;justify-content:space-between;gap:16px;cursor:pointer;
}
.faq-q i{color:var(--cyan);transition:transform .25s ease;flex:0 0 auto}
.faq-item.open .faq-q i{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;padding:0 22px}
.faq-a p{font-size:.9rem;color:var(--muted);margin:0 0 18px}
.faq-item.open .faq-a{max-height:420px}

/* ===== CTA ===== */
.cta-band{
  padding:44px 40px;border-radius:var(--radius-lg);
  background:
    linear-gradient(120deg,rgba(37,99,235,.35),rgba(34,211,238,.18)),
    rgba(8,18,41,.72);
  border:1px solid rgba(56,189,248,.34);
  display:grid;grid-template-columns:1.4fr .9fr;gap:32px;align-items:center;
}
.cta-band h2{font-size:clamp(1.35rem,2.6vw,1.9rem)}
.cta-band p{color:#dbeafe;margin-bottom:0}
.cta-actions{display:flex;flex-direction:column;gap:12px}

/* ===== Footer ===== */
.site-footer{background:rgba(2,6,17,.92);border-top:1px solid rgba(56,189,248,.16);padding:52px 0 26px;margin-top:20px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px}
.foot-brand p{font-size:.88rem;color:var(--muted);margin:14px 0 0}
.foot-col h4{font-size:.85rem;text-transform:uppercase;letter-spacing:.12em;color:#e0f2fe;margin-bottom:16px}
.foot-col ul{list-style:none;padding:0;margin:0}
.foot-col li{margin-bottom:9px}
.foot-col a{font-size:.88rem;color:var(--muted)}
.foot-col a:hover{color:var(--cyan)}
.foot-bottom{
  margin-top:34px;padding-top:20px;border-top:1px solid rgba(148,163,184,.14);
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;
  font-size:.82rem;color:var(--muted);
}
.foot-badges{display:flex;flex-wrap:wrap;gap:10px}
.foot-badges span{
  font-size:.74rem;font-weight:700;padding:5px 11px;border-radius:999px;
  border:1px solid rgba(56,189,248,.26);color:var(--blue-lite);background:rgba(56,189,248,.06);
}

/* ===== FAB ===== */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:1050;
  width:56px;height:56px;border-radius:50%;
  display:grid;place-items:center;font-size:1.25rem;color:#04121f;
  background:linear-gradient(135deg,var(--cyan),var(--blue));
  border:0;box-shadow:0 0 22px rgba(34,211,238,.5);
  animation:fabFloat 2.8s ease-in-out infinite;
  transition:transform .25s ease,box-shadow .25s ease;
}
.fab:hover{transform:scale(1.1);box-shadow:0 0 34px rgba(34,211,238,.75)}
.fab:active{transform:scale(.94) translateY(2px)}
.fab .fab-dot{
  position:absolute;top:6px;right:6px;width:12px;height:12px;border-radius:50%;
  background:var(--danger);box-shadow:0 0 0 2px #04121f;
}
@keyframes fabFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-5px)}}

/* ===== Responsive ===== */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:30px}
  .dash-grid{grid-template-columns:repeat(2,1fr)}
  .matrix-grid{grid-template-columns:repeat(2,1fr)}
  .steps-grid{grid-template-columns:repeat(2,1fr)}
  .proof-grid{grid-template-columns:1fr 1fr}
  .guard-grid{grid-template-columns:repeat(2,1fr)}
  .cms-layout{grid-template-columns:1fr}
  .cta-band{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr;gap:26px}
  .nav-links{display:none}
  .nav-toggle{display:grid;place-items:center}
}
@media (max-width:768px){
  .section{padding:52px 0}
  .nav-actions .btn-ghost-x{display:none}
  .brand-text{font-size:.9rem;max-width:200px}
  .compare-wrap{grid-template-columns:1fr}
  .cms-item{flex-direction:column}
  .cms-item .thumb{width:100%;flex:none}
  .cms-item .thumb img{height:150px}
}
@media (max-width:520px){
  .container-x{padding:0 15px}
  .dash-grid{grid-template-columns:1fr}
  .matrix-grid{grid-template-columns:1fr}
  .steps-grid{grid-template-columns:1fr}
  .proof-grid{grid-template-columns:1fr}
  .guard-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .hero-stats{gap:18px}
  .cta-band{padding:30px 20px}
  .nav-actions .btn-x{padding:8px 14px;font-size:.8rem}
  .brand-text span{display:none}
  .fab{bottom:84px;left:12px}
}

/* roulang page: category1 */
:root{
  --bg-900:#030712;--bg-800:#081229;--bg-700:#0c1b3a;--glass:rgba(15,30,64,.55);
  --glass-line:rgba(56,189,248,.22);--blue:#2563eb;--blue-lite:#38bdf8;--cyan:#22d3ee;
  --holo:#60a5fa;--text:#f8fafc;--muted:#94a3b8;--soft:#cbd5e1;--gold:#fbbf24;
  --danger:#f43f5e;--ok:#34d399;--radius:18px;--radius-sm:12px;--radius-lg:26px;
  --shadow:0 18px 48px rgba(2,8,23,.65);--shadow-glow:0 0 26px rgba(56,189,248,.35);
  --gap:26px;--font:'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:var(--font);color:var(--text);line-height:1.62;font-size:16px;
  background:radial-gradient(1100px 620px at 12% -8%,rgba(37,99,235,.28),transparent 60%),radial-gradient(900px 520px at 92% 4%,rgba(34,211,238,.16),transparent 62%),var(--bg-900);
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--blue-lite);text-decoration:none;transition:color .22s ease}
a:hover{color:var(--cyan)}
button,input,select,textarea{font-family:inherit;font-size:1rem}
button:focus-visible,a:focus-visible,input:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}
.container-x{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
.section{padding:66px 0;position:relative}
.section-alt{background:linear-gradient(180deg,rgba(8,18,41,.85),rgba(3,7,18,.35))}
.section-line{border-top:1px solid rgba(148,163,184,.14)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:.74rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--cyan);background:rgba(34,211,238,.08);border:1px solid rgba(34,211,238,.3);border-radius:999px;padding:6px 14px;margin-bottom:16px}
.btn-x{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:13px 26px;border-radius:999px;font-weight:700;font-size:.95rem;border:1px solid transparent;cursor:pointer;transition:transform .2s ease,box-shadow .25s ease,background .25s ease,color .2s ease;text-align:center}
.btn-primary-x{background:linear-gradient(120deg,var(--blue),var(--blue-lite));color:#04121f;box-shadow:var(--shadow-glow)}
.btn-primary-x:hover{transform:translateY(-2px);box-shadow:0 0 34px rgba(56,189,248,.55);color:#04121f}
.btn-ghost-x{background:rgba(56,189,248,.06);border-color:rgba(56,189,248,.42);color:var(--blue-lite)}
.btn-ghost-x:hover{background:rgba(56,189,248,.15);color:#e0f2fe;transform:translateY(-2px)}
.btn-gold-x{background:linear-gradient(120deg,#f59e0b,#fcd34d);color:#241503}
.btn-gold-x:hover{transform:translateY(-2px);box-shadow:0 0 28px rgba(251,191,36,.45);color:#241503}
.btn-x:active{transform:translateY(1px) scale(.99)}
.tag{display:inline-block;font-size:.72rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;padding:4px 11px;border-radius:999px;background:rgba(96,165,250,.12);color:var(--holo);border:1px solid rgba(96,165,250,.3)}
.tag.hot{background:rgba(244,63,94,.14);color:#fda4af;border-color:rgba(244,63,94,.36)}
.tag.gold{background:rgba(251,191,36,.14);color:var(--gold);border-color:rgba(251,191,36,.38)}
.tag.ok{background:rgba(52,211,153,.14);color:var(--ok);border-color:rgba(52,211,153,.35)}
.site-header{position:sticky;top:0;z-index:1030;background:rgba(3,7,18,.82);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid rgba(56,189,248,.16)}
.nav-wrap{display:flex;align-items:center;gap:20px;min-height:74px}
.brand{display:flex;align-items:center;gap:11px;color:var(--text);font-weight:800;letter-spacing:.2px}
.brand:hover{color:var(--text)}
.brand-mark{width:42px;height:42px;border-radius:13px;flex:0 0 42px;display:grid;place-items:center;background:linear-gradient(135deg,var(--blue),var(--cyan));color:#04121f;font-size:1.1rem;box-shadow:0 0 20px rgba(34,211,238,.42)}
.brand-text{font-size:.98rem;line-height:1.16;max-width:270px}
.brand-text span{display:block;font-size:.68rem;font-weight:600;color:var(--muted);letter-spacing:.1em;text-transform:uppercase}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{padding:9px 14px;border-radius:10px;color:var(--soft);font-weight:600;font-size:.9rem;transition:background .2s ease,color .2s ease}
.nav-links a:hover{background:rgba(56,189,248,.1);color:#e0f2fe}
.nav-links a.active{background:rgba(56,189,248,.16);color:#e0f2fe;box-shadow:inset 0 0 0 1px rgba(56,189,248,.35)}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-actions .btn-x{padding:9px 20px;font-size:.86rem}
.nav-toggle{display:none;background:rgba(56,189,248,.08);border:1px solid rgba(56,189,248,.32);color:var(--blue-lite);width:44px;height:44px;border-radius:12px;font-size:1.05rem}
.mobile-drawer{display:none;flex-direction:column;gap:4px;padding:12px 0 18px;border-top:1px solid rgba(56,189,248,.14)}
.mobile-drawer a{padding:11px 14px;border-radius:10px;color:var(--soft);font-weight:600}
.mobile-drawer a.active{background:rgba(56,189,248,.16);color:#e0f2fe}
.mobile-drawer.open{display:flex}
.cat-hero{
  position:relative;padding:62px 0 70px;overflow:hidden;
  background:linear-gradient(180deg,rgba(3,7,18,.72),rgba(3,7,18,.95)),url('/assets/images/b878671d42da2ef5.jpg') center/cover no-repeat;
}
.cat-hero::after{content:"";position:absolute;inset:0;background:radial-gradient(620px 320px at 82% 18%,rgba(34,211,238,.22),transparent 65%),radial-gradient(520px 300px at 8% 80%,rgba(37,99,235,.24),transparent 66%);pointer-events:none}
.cat-hero .container-x{position:relative;z-index:2}
.cat-hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:38px;align-items:center}
.cat-hero h1{font-size:clamp(1.72rem,4vw,2.8rem);line-height:1.18;margin:0 0 18px;font-weight:850}
.cat-hero h1 em{font-style:normal;background:linear-gradient(120deg,var(--blue-lite),var(--cyan));-webkit-background-clip:text;background-clip:text;color:transparent}
.cat-hero p{color:#dbeafe;font-size:1.02rem;margin-bottom:0;max-width:660px}
.cat-panel{background:var(--glass);border:1px solid var(--glass-line);border-radius:var(--radius-lg);padding:22px;box-shadow:var(--shadow);backdrop-filter:blur(14px)}
.cat-panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px}
.cat-panel-head strong{font-size:1rem}
.cat-panel img{border-radius:var(--radius);max-height:245px;width:100%;object-fit:cover;border:1px solid rgba(56,189,248,.18)}
.signal-list{list-style:none;padding:0;margin:18px 0 0}
.signal-list li{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:11px 0;border-bottom:1px dashed rgba(148,163,184,.18);color:var(--soft);font-size:.92rem}
.signal-list li:last-child{border-bottom:0}
.signal-value{font-weight:800;color:var(--cyan);white-space:nowrap}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:30px}
.section-head h2{font-size:clamp(1.35rem,2.5vw,2rem);margin:0;font-weight:850}
.section-head p{color:var(--muted);margin:0;max-width:520px}
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.feature-card{background:linear-gradient(180deg,rgba(15,30,64,.66),rgba(8,18,41,.45));border:1px solid var(--glass-line);border-radius:var(--radius);padding:22px;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;height:100%}
.feature-card:hover{transform:translateY(-5px);border-color:rgba(56,189,248,.5);box-shadow:0 16px 38px rgba(2,8,23,.6),0 0 28px rgba(56,189,248,.25)}
.feature-icon{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;background:rgba(56,189,248,.12);color:var(--cyan);font-size:1.05rem;margin-bottom:18px}
.feature-card h3{font-size:1.06rem;margin:0 0 10px;font-weight:800}
.feature-card p{color:var(--muted);font-size:.93rem;margin:0}
.content-split{display:grid;grid-template-columns:.9fr 1.1fr;gap:34px;align-items:center}
.media-frame{position:relative;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--glass-line);box-shadow:var(--shadow)}
.media-frame img{width:100%;height:100%;min-height:320px;object-fit:cover}
.media-frame::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 35%,rgba(3,7,18,.86));pointer-events:none}
.media-caption{position:absolute;left:20px;right:20px;bottom:18px;z-index:2}
.media-caption strong{display:block;font-size:1.05rem}
.media-caption span{color:var(--soft);font-size:.86rem}
.copy-block h2{font-size:clamp(1.35rem,2.5vw,2rem);margin:0 0 18px;font-weight:850}
.copy-block p{color:var(--soft);margin-bottom:16px}
.check-list{list-style:none;padding:0;margin:20px 0 0}
.check-list li{display:flex;gap:12px;align-items:flex-start;padding:10px 0;color:var(--soft)}
.check-list i{color:var(--ok);margin-top:5px}
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border:1px solid var(--glass-line);border-radius:var(--radius-lg);overflow:hidden;background:var(--glass)}
.step-item{padding:24px;border-right:1px solid rgba(148,163,184,.14);position:relative}
.step-item:last-child{border-right:0}
.step-no{font-size:2.2rem;font-weight:900;color:rgba(56,189,248,.22);line-height:1}
.step-item h3{font-size:1rem;margin:12px 0 8px}
.step-item p{color:var(--muted);font-size:.9rem;margin:0}
.cat-matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.matrix-item{display:block;background:linear-gradient(180deg,rgba(15,30,64,.7),rgba(8,18,41,.44));border:1px solid var(--glass-line);border-radius:var(--radius);padding:24px;color:var(--text);transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease}
.matrix-item:hover{transform:translateY(-5px);border-color:rgba(34,211,238,.5);box-shadow:0 18px 42px rgba(2,8,23,.6);color:var(--text)}
.matrix-item h3{font-size:1.06rem;margin:14px 0 8px}
.matrix-item p{color:var(--muted);font-size:.9rem;margin:0 0 18px}
.matrix-link{font-size:.85rem;font-weight:800;color:var(--cyan)}
.compare-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.compare-box{background:rgba(15,30,64,.46);border:1px solid var(--glass-line);border-radius:var(--radius);padding:26px}
.compare-box h3{font-size:1.05rem;margin:0 0 14px}
.compare-row{display:flex;justify-content:space-between;gap:16px;padding:12px 0;border-bottom:1px dashed rgba(148,163,184,.18);color:var(--soft);font-size:.92rem}
.compare-row:last-child{border-bottom:0}
.compare-row strong{color:var(--text)}
.milestone{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.mile-card{text-align:left;padding:22px;border-radius:var(--radius);background:linear-gradient(180deg,rgba(12,27,58,.75),rgba(8,18,41,.5));border:1px solid rgba(96,165,250,.24)}
.mile-num{font-size:1.7rem;font-weight:900;color:var(--gold)}
.mile-card span{display:block;color:var(--muted);font-size:.9rem;margin-top:6px}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.news-card{background:rgba(15,30,64,.48);border:1px solid var(--glass-line);border-radius:var(--radius);overflow:hidden;transition:transform .25s ease,border-color .25s ease;height:100%}
.news-card:hover{transform:translateY(-5px);border-color:rgba(56,189,248,.46)}
.news-card img{width:100%;height:185px;object-fit:cover}
.news-body{padding:20px}
.news-body h3{font-size:1rem;line-height:1.42;margin:12px 0 10px}
.news-body h3 a{color:var(--text)}
.news-body p{color:var(--muted);font-size:.9rem;margin:0 0 14px}
.news-meta{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:.78rem}
.empty-note{color:var(--muted);background:rgba(15,30,64,.42);border:1px dashed rgba(148,163,184,.28);border-radius:var(--radius);padding:26px}
.guard-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.guard-item{padding:22px;border-radius:var(--radius);background:rgba(15,30,64,.38);border:1px solid rgba(148,163,184,.18)}
.guard-item i{color:var(--cyan);font-size:1.2rem}
.guard-item h3{font-size:.98rem;margin:13px 0 8px}
.guard-item p{color:var(--muted);font-size:.88rem;margin:0}
.faq-wrap{max-width:900px}
.faq-item{border:1px solid var(--glass-line);border-radius:var(--radius-sm);background:rgba(15,30,64,.38);margin-bottom:14px;overflow:hidden}
.faq-question{width:100%;text-align:left;background:transparent;border:0;color:var(--text);font-weight:750;padding:18px 20px;display:flex;justify-content:space-between;gap:18px;align-items:center}
.faq-question i{color:var(--cyan);transition:transform .25s ease}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .35s ease;color:var(--muted);padding:0 20px}
.faq-item.open .faq-answer{max-height:260px;padding-bottom:18px}
.faq-item.open .faq-question i{transform:rotate(180deg)}
.cta-band{background:linear-gradient(120deg,rgba(37,99,235,.24),rgba(34,211,238,.12)),rgba(8,18,41,.78);border:1px solid rgba(56,189,248,.32);border-radius:var(--radius-lg);padding:36px;display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center;box-shadow:var(--shadow)}
.cta-band h2{font-size:clamp(1.3rem,2.6vw,1.9rem);margin:0 0 10px}
.cta-band p{color:var(--soft);margin:0}
.site-footer{background:linear-gradient(180deg,rgba(3,7,18,.6),rgba(2,8,23,.96));border-top:1px solid rgba(56,189,248,.16);margin-top:20px;padding:54px 0 24px}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:30px;padding-bottom:34px;border-bottom:1px solid rgba(148,163,184,.14)}
.foot-brand p{color:var(--muted);font-size:.9rem;margin:16px 0 0;max-width:410px}
.foot-col h4{font-size:.92rem;margin:0 0 14px;color:var(--text)}
.foot-col ul{list-style:none;padding:0;margin:0}
.foot-col li{color:var(--muted);font-size:.88rem;margin-bottom:9px}
.foot-col a{color:var(--muted)}
.foot-col a:hover{color:var(--cyan)}
.foot-bottom{display:flex;justify-content:space-between;gap:20px;align-items:center;padding-top:22px;color:var(--muted);font-size:.82rem}
.foot-badges{display:flex;flex-wrap:wrap;gap:8px}
.foot-badges span{border:1px solid rgba(56,189,248,.24);border-radius:999px;padding:5px 11px;color:var(--soft);font-size:.74rem}
.fab-live{position:fixed;left:16px;bottom:96px;z-index:50;width:58px;height:36px;border-radius:999px;display:flex;align-items:center;justify-content:center;gap:7px;background:rgba(7,7,13,.82);border:1px solid transparent;background-image:linear-gradient(rgba(7,7,13,.9),rgba(7,7,13,.9)),linear-gradient(120deg,var(--cyan),var(--blue-lite));background-origin:border-box;background-clip:padding-box,border-box;color:var(--cyan);box-shadow:0 0 20px rgba(34,211,238,.4);font-size:.78rem;font-weight:800;opacity:.82;transition:opacity .2s ease,transform .2s ease,box-shadow .2s ease}
.fab-live:hover{opacity:1;transform:scale(1.08);color:#fff;box-shadow:0 0 28px rgba(34,211,238,.65)}
.fab-live:active{transform:scale(.95)}
.fab-dot{width:8px;height:8px;border-radius:50%;background:var(--danger);box-shadow:0 0 10px rgba(244,63,94,.9);animation:pulse 1.4s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.6;transform:scale(.72)}}
.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s ease,transform .7s ease}
.reveal.show{opacity:1;transform:none}
@media (max-width:1024px){
  .nav-links{display:none}
  .nav-toggle{display:grid;place-items:center}
  .nav-actions .btn-ghost-x{display:none}
  .cat-hero-grid,.content-split{grid-template-columns:1fr}
  .feature-grid,.guard-grid,.milestone{grid-template-columns:repeat(2,1fr)}
  .steps-grid{grid-template-columns:repeat(2,1fr)}
  .step-item:nth-child(2){border-right:0}
  .step-item:nth-child(-n+2){border-bottom:1px solid rgba(148,163,184,.14)}
  .news-grid,.cat-matrix{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:768px){
  .section{padding:52px 0}
  .cat-hero{padding:48px 0 56px}
  .nav-actions .btn-primary-x{padding:8px 14px;font-size:.8rem}
  .brand-text{max-width:190px;font-size:.88rem}
  .section-head{flex-direction:column;align-items:flex-start}
  .cta-band{grid-template-columns:1fr;text-align:left}
  .news-grid,.cat-matrix,.compare-grid,.feature-grid,.guard-grid,.milestone{grid-template-columns:1fr}
  .steps-grid{grid-template-columns:1fr}
  .step-item{border-right:0;border-bottom:1px solid rgba(148,163,184,.14)}
  .step-item:last-child{border-bottom:0}
  .foot-grid{grid-template-columns:1fr}
  .foot-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .container-x{padding:0 16px}
  .brand-text{max-width:150px;font-size:.8rem}
  .brand-text span{font-size:.62rem}
  .cat-hero h1{font-size:1.58rem}
  .hero-cta,.cat-hero .hero-cta{flex-direction:column;align-items:stretch}
  .btn-x{width:100%}
  .fab-live{left:12px;bottom:88px}
}

/* roulang page: article */
:root{
  --bg-900:#030712;
  --bg-800:#081229;
  --bg-700:#0c1b3a;
  --glass:rgba(15,30,64,.55);
  --glass-line:rgba(56,189,248,.22);
  --blue:#2563eb;
  --blue-lite:#38bdf8;
  --cyan:#22d3ee;
  --holo:#60a5fa;
  --text:#f8fafc;
  --muted:#94a3b8;
  --soft:#cbd5e1;
  --gold:#fbbf24;
  --danger:#f43f5e;
  --ok:#34d399;
  --radius:18px;
  --radius-sm:12px;
  --radius-lg:26px;
  --shadow:0 18px 48px rgba(2,8,23,.65);
  --shadow-glow:0 0 26px rgba(56,189,248,.35);
  --gap:26px;
  --font:'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  background:
    radial-gradient(1100px 620px at 12% -8%, rgba(37,99,235,.28), transparent 60%),
    radial-gradient(900px 520px at 92% 4%, rgba(34,211,238,.16), transparent 62%),
    var(--bg-900);
  color:var(--text);
  line-height:1.62;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--blue-lite);text-decoration:none;transition:color .22s ease}
a:hover{color:var(--cyan)}
h1,h2,h3,h4{line-height:1.3;letter-spacing:-.01em}
button,input,select,textarea{font-family:inherit;font-size:1rem}
::selection{background:rgba(56,189,248,.35);color:#f8fafc}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}
.container-x{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
.section{padding:66px 0;position:relative}
.section-alt{background:linear-gradient(180deg,rgba(8,18,41,.85),rgba(3,7,18,.35))}
.section-line{border-top:1px solid rgba(148,163,184,.14)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.74rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--cyan);background:rgba(34,211,238,.08);
  border:1px solid rgba(34,211,238,.3);border-radius:999px;
  padding:6px 14px;margin-bottom:16px;
}
.section-head{max-width:820px;margin-bottom:34px}
.section-title{font-size:clamp(1.35rem,2.7vw,2.05rem);font-weight:800;margin:0 0 12px}
.section-sub{color:var(--muted);margin:0;font-size:.98rem}
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:999px;font-weight:700;font-size:.95rem;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .25s ease,background .25s ease,color .2s ease;
  text-align:center;
}
.btn-primary-x{background:linear-gradient(120deg,var(--blue),var(--blue-lite));color:#04121f;box-shadow:var(--shadow-glow)}
.btn-primary-x:hover{transform:translateY(-2px);box-shadow:0 0 34px rgba(56,189,248,.55);color:#04121f}
.btn-ghost-x{background:rgba(56,189,248,.06);border-color:rgba(56,189,248,.42);color:var(--blue-lite)}
.btn-ghost-x:hover{background:rgba(56,189,248,.15);color:#e0f2fe;transform:translateY(-2px)}
.btn-gold-x{background:linear-gradient(120deg,#f59e0b,#fcd34d);color:#241503}
.btn-gold-x:hover{transform:translateY(-2px);box-shadow:0 0 28px rgba(251,191,36,.45);color:#241503}
.btn-x:active{transform:translateY(1px) scale(.99)}
.tag{
  display:inline-block;font-size:.72rem;font-weight:700;letter-spacing:.08em;
  text-transform:uppercase;padding:4px 11px;border-radius:999px;
  background:rgba(96,165,250,.12);color:var(--holo);border:1px solid rgba(96,165,250,.3);
}
.tag.hot{background:rgba(244,63,94,.14);color:#fda4af;border-color:rgba(244,63,94,.36)}
.tag.gold{background:rgba(251,191,36,.14);color:var(--gold);border-color:rgba(251,191,36,.38)}
.tag.ok{background:rgba(52,211,153,.14);color:var(--ok);border-color:rgba(52,211,153,.35)}
/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(3,7,18,.82);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(56,189,248,.16);
}
.nav-wrap{display:flex;align-items:center;gap:20px;min-height:74px}
.brand{display:flex;align-items:center;gap:11px;color:var(--text);font-weight:800;letter-spacing:.2px}
.brand:hover{color:var(--text)}
.brand-mark{
  width:42px;height:42px;border-radius:13px;flex:0 0 42px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--blue),var(--cyan));
  color:#04121f;font-size:1.1rem;
  box-shadow:0 0 20px rgba(34,211,238,.42);
}
.brand-text{font-size:.98rem;line-height:1.16;max-width:270px}
.brand-text span{display:block;font-size:.68rem;font-weight:600;color:var(--muted);letter-spacing:.1em;text-transform:uppercase}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
  padding:9px 14px;border-radius:10px;color:var(--soft);font-weight:600;font-size:.9rem;
  transition:background .2s ease,color .2s ease;
}
.nav-links a:hover{background:rgba(56,189,248,.1);color:#e0f2fe}
.nav-links a.active{background:rgba(56,189,248,.16);color:#e0f2fe;box-shadow:inset 0 0 0 1px rgba(56,189,248,.35)}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-actions .btn-x{padding:9px 20px;font-size:.86rem}
.nav-toggle{
  display:none;background:rgba(56,189,248,.08);border:1px solid rgba(56,189,248,.32);
  color:var(--blue-lite);width:44px;height:44px;border-radius:12px;font-size:1.05rem;
}
.mobile-drawer{
  display:none;flex-direction:column;gap:4px;
  padding:12px 0 18px;border-top:1px solid rgba(56,189,248,.14);
}
.mobile-drawer a{padding:11px 14px;border-radius:10px;color:var(--soft);font-weight:600}
.mobile-drawer a.active{background:rgba(56,189,248,.16);color:#e0f2fe}
.mobile-drawer.open{display:flex}
/* ===== Article hero ===== */
.article-hero{
  position:relative;overflow:hidden;
  padding:52px 0 56px;
  background:
    linear-gradient(180deg,rgba(3,7,18,.78),rgba(3,7,18,.95)),
    url('/assets/images/b878671d42da2ef5.jpg') center/cover no-repeat;
  border-bottom:1px solid rgba(56,189,248,.14);
}
.article-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(620px 320px at 84% 14%, rgba(34,211,238,.2), transparent 66%),
    radial-gradient(520px 300px at 6% 84%, rgba(37,99,235,.24), transparent 66%);
}
.article-hero .container-x{position:relative;z-index:2}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:9px;font-size:.82rem;color:var(--muted);margin-bottom:20px}
.crumb a{color:var(--soft);font-weight:600}
.crumb a:hover{color:var(--cyan)}
.crumb span{color:var(--muted)}
.article-hero-grid{display:grid;grid-template-columns:1.28fr .72fr;gap:40px;align-items:start}
.article-hero h1{font-size:clamp(1.6rem,3.7vw,2.55rem);margin:16px 0 18px;font-weight:800}
.article-lead{color:#dbeafe;font-size:1.02rem;max-width:700px;margin-bottom:24px}
.meta-row{display:flex;flex-wrap:wrap;gap:10px}
.meta-chip{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.82rem;color:var(--soft);
  background:rgba(15,30,64,.6);border:1px solid var(--glass-line);
  border-radius:999px;padding:7px 14px;
}
.meta-chip i{color:var(--cyan)}
.article-hero-side img{
  border-radius:var(--radius);border:1px solid var(--glass-line);
  box-shadow:var(--shadow);
}
.hero-facts{list-style:none;margin:20px 0 0;padding:0}
.hero-facts li{
  display:flex;gap:12px;align-items:flex-start;
  padding:11px 0;border-bottom:1px dashed rgba(148,163,184,.22);
  font-size:.9rem;color:var(--soft);
}
.hero-facts li:last-child{border-bottom:0}
.hero-facts strong{color:var(--blue-lite);font-weight:800;flex:0 0 auto;min-width:96px}
/* ===== Metric board ===== */
.metric-board{
  display:grid;grid-template-columns:repeat(4,1fr);
  background:var(--glass);border:1px solid var(--glass-line);
  border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);
  backdrop-filter:blur(12px);
}
.metric-item{padding:28px 24px;border-right:1px solid rgba(56,189,248,.14)}
.metric-item:last-child{border-right:0}
.metric-item strong{
  display:block;font-size:clamp(1.6rem,3vw,2.15rem);font-weight:800;margin-bottom:8px;
  color:var(--blue-lite);
  background:linear-gradient(120deg,#38bdf8,#22d3ee);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.metric-item span{display:block;font-size:.88rem;color:var(--muted);line-height:1.55}
/* ===== Matrix cards ===== */
.matrix-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap)}
.matrix-card{
  padding:26px 24px;border-radius:var(--radius);
  background:rgba(15,30,64,.45);border:1px solid rgba(56,189,248,.18);
  transition:transform .25s ease,border-color .25s ease,box-shadow .3s ease,background .25s ease;
}
.matrix-card:hover{
  transform:translateY(-5px);border-color:rgba(56,189,248,.5);
  box-shadow:0 0 26px rgba(56,189,248,.24);background:rgba(15,30,64,.68);
}
.matrix-card .mc-icon{
  width:48px;height:48px;border-radius:14px;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(37,99,235,.5),rgba(34,211,238,.28));
  color:#e0f2fe;font-size:1.15rem;margin-bottom:16px;
  box-shadow:0 0 18px rgba(56,189,248,.25);
}
.matrix-card h3{font-size:1.06rem;margin:0 0 10px;font-weight:700;color:#f1f5f9}
.matrix-card p{margin:0;font-size:.92rem;color:var(--muted)}
/* ===== Article body ===== */
.article-body{max-width:760px;margin:0 auto;font-size:1.02rem;color:#e2e8f0}
.article-body h2{font-size:clamp(1.28rem,2.4vw,1.7rem);margin:40px 0 14px;color:#fff;font-weight:800}
.article-body h3{font-size:1.12rem;margin:28px 0 10px;color:#e0f2fe;font-weight:700}
.article-body h4{font-size:1rem;margin:22px 0 8px;color:#e0f2fe;font-weight:700}
.article-body p{margin:0 0 16px;line-height:1.72}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:22px}
.article-body li{margin-bottom:9px;line-height:1.7}
.article-body a{color:var(--cyan);text-decoration:underline;text-decoration-color:rgba(34,211,238,.4)}
.article-body a:hover{color:#a5f3fc}
.article-body img{border-radius:var(--radius);margin:22px 0;border:1px solid var(--glass-line)}
.article-body blockquote{
  margin:22px 0;padding:16px 20px;border-left:3px solid var(--blue-lite);
  background:rgba(37,99,235,.1);border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:var(--soft);
}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:.94rem}
.article-body th,.article-body td{border:1px solid rgba(56,189,248,.2);padding:11px 13px;text-align:left}
.article-body th{background:rgba(37,99,235,.16);color:#e0f2fe}
.not-found{
  text-align:left;padding:38px 32px;border-radius:var(--radius);
  background:rgba(15,30,64,.5);border:1px solid rgba(56,189,248,.24);
}
.not-found h2{margin:0 0 12px;font-size:1.3rem;color:#fff}
.not-found p{color:var(--muted);margin:0 0 20px}
/* ===== Compare table ===== */
.table-scroll{overflow-x:auto;border-radius:var(--radius);border:1px solid var(--glass-line)}
.compare-table{width:100%;min-width:640px;border-collapse:collapse;background:rgba(15,30,64,.42)}
.compare-table th,.compare-table td{padding:16px 18px;text-align:left;border-bottom:1px solid rgba(56,189,248,.12);font-size:.93rem}
.compare-table thead th{
  background:rgba(37,99,235,.18);color:#e0f2fe;font-weight:700;
  font-size:.79rem;letter-spacing:.1em;text-transform:uppercase;
}
.compare-table tbody tr:last-child td{border-bottom:0}
.compare-table tbody tr:hover{background:rgba(56,189,248,.06)}
.compare-table td:first-child{color:var(--soft);font-weight:600}
.compare-table .col-good{color:#a5f3fc}
/* ===== Timeline ===== */
.timeline{position:relative;padding-left:34px;max-width:820px}
.timeline::before{
  content:"";position:absolute;left:8px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,var(--blue-lite),rgba(37,99,235,.08));
}
.tl-item{position:relative;padding-bottom:28px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-30px;top:5px;width:14px;height:14px;border-radius:50%;
  background:var(--bg-900);border:2px solid var(--blue-lite);
  box-shadow:0 0 12px rgba(56,189,248,.6);
}
.tl-time{display:block;font-size:.76rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--cyan);margin-bottom:6px}
.tl-item h3{font-size:1.05rem;margin:0 0 8px;font-weight:700;color:#f1f5f9}
.tl-item p{margin:0;color:var(--muted);font-size:.93rem}
/* ===== Channel matrix ===== */
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap)}
.channel-link{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:22px 24px;border-radius:var(--radius);
  background:linear-gradient(120deg,rgba(37,99,235,.2),rgba(34,211,238,.07));
  border:1px solid rgba(56,189,248,.26);color:#e0f2fe;font-weight:700;
  transition:transform .24s ease,box-shadow .3s ease,border-color .24s ease;
}
.channel-link:hover{transform:translateY(-5px);border-color:rgba(56,189,248,.6);box-shadow:0 0 28px rgba(56,189,248,.28);color:#fff}
.channel-link .cl-text{display:block}
.channel-link .cl-text small{display:block;font-weight:500;font-size:.8rem;color:var(--muted);margin-top:5px;letter-spacing:.02em}
.channel-link i{color:var(--cyan);font-size:1.15rem;flex:0 0 auto}
/* ===== FAQ ===== */
.faq-list{max-width:860px}
.faq-item{
  background:rgba(15,30,64,.42);border:1px solid var(--glass-line);
  border-radius:var(--radius-sm);margin-bottom:12px;overflow:hidden;
  transition:border-color .25s ease,background .25s ease;
}
.faq-item:hover{border-color:rgba(56,189,248,.45);background:rgba(15,30,64,.6)}
.faq-item summary{
  cursor:pointer;list-style:none;padding:17px 20px;font-weight:700;color:var(--text);
  display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:.98rem;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";color:var(--blue-lite);font-size:1.35rem;line-height:1;flex:0 0 auto}
.faq-item[open] summary::after{content:"–"}
.faq-item p{margin:0;padding:0 20px 18px;color:var(--soft);font-size:.94rem}
/* ===== CTA ===== */
.cta-panel{
  display:grid;grid-template-columns:1.05fr .95fr;gap:36px;
  padding:40px;border-radius:var(--radius-lg);
  background:linear-gradient(135deg,rgba(37,99,235,.24),rgba(34,211,238,.08));
  border:1px solid rgba(56,189,248,.32);box-shadow:var(--shadow-glow);
}
.cta-panel h2{font-size:clamp(1.3rem,2.6vw,1.85rem);margin:0 0 14px;font-weight:800}
.cta-panel p{color:#dbeafe;font-size:.96rem;margin:0 0 20px}
.cta-points{list-style:none;padding:0;margin:0}
.cta-points li{display:flex;gap:10px;align-items:flex-start;color:var(--soft);font-size:.92rem;margin-bottom:10px}
.cta-points i{color:var(--ok);margin-top:4px}
.signal-form{display:grid;gap:16px}
.field label{display:block;font-size:.78rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-bottom:7px}
.field input,.field select{
  width:100%;padding:13px 15px;border-radius:12px;
  background:rgba(3,7,18,.72);border:1px solid rgba(56,189,248,.28);
  color:var(--text);outline:none;transition:border-color .2s ease,box-shadow .2s ease;
}
.field input::placeholder{color:#64748b}
.field input:focus,.field select:focus{border-color:var(--blue-lite);box-shadow:0 0 0 3px rgba(56,189,248,.2)}
.form-note{font-size:.8rem;color:var(--muted);margin:0}
/* ===== FAB ===== */
.fab-support{
  position:fixed;left:16px;bottom:96px;z-index:1050;
  display:inline-flex;align-items:center;gap:10px;
  padding:13px 19px;border-radius:999px;
  background:rgba(7,7,13,.85);border:1px solid rgba(56,189,248,.55);
  color:#e0f2fe;font-weight:700;font-size:.86rem;
  box-shadow:0 0 22px rgba(34,211,238,.45);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  opacity:.85;
  transition:transform .25s ease,box-shadow .3s ease,opacity .25s ease;
}
.fab-support:hover{opacity:1;transform:scale(1.06);box-shadow:0 0 34px rgba(34,211,238,.72);color:#e0f2fe}
.fab-support:active{transform:scale(.95)}
.fab-support .dot{
  width:9px;height:9px;border-radius:50%;background:var(--cyan);
  box-shadow:0 0 10px var(--cyan);animation:fabBlink 1.5s ease-in-out infinite;
}
@keyframes fabBlink{0%,100%{opacity:1}50%{opacity:.25}}
/* ===== Footer ===== */
.site-footer{
  margin-top:24px;padding:56px 0 26px;
  background:linear-gradient(180deg,rgba(8,18,41,.92),rgba(3,7,18,.99));
  border-top:1px solid rgba(56,189,248,.18);
}
.foot-grid{display:grid;grid-template-columns:1.55fr 1fr 1fr 1.2fr;gap:34px}
.foot-brand p{color:var(--muted);font-size:.92rem;margin:16px 0 0;max-width:380px}
.foot-col h4{font-size:.82rem;letter-spacing:.13em;text-transform:uppercase;color:#e0f2fe;margin:0 0 14px;font-weight:700}
.foot-col ul{list-style:none;padding:0;margin:0}
.foot-col li{color:var(--muted);font-size:.91rem;margin-bottom:9px;line-height:1.55}
.foot-col a{color:var(--muted)}
.foot-col a:hover{color:var(--cyan)}
.foot-bottom{
  margin-top:34px;padding-top:20px;border-top:1px solid rgba(148,163,184,.16);
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  color:var(--muted);font-size:.84rem;
}
.foot-badges{display:flex;gap:10px;flex-wrap:wrap}
.foot-badges span{
  border:1px solid rgba(56,189,248,.24);border-radius:999px;
  padding:5px 13px;font-size:.75rem;color:var(--soft);
}
/* ===== Responsive ===== */
@media (max-width:1024px){
  .hero-grid,.article-hero-grid{grid-template-columns:1fr;gap:30px}
  .metric-board{grid-template-columns:repeat(2,1fr)}
  .metric-item:nth-child(2){border-right:0}
  .metric-item:nth-child(1),.metric-item:nth-child(2){border-bottom:1px solid rgba(56,189,248,.14)}
  .matrix-grid,.channel-grid{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
  .cta-panel{grid-template-columns:1fr;padding:32px}
}
@media (max-width:860px){
  .nav-links{display:none}
  .nav-toggle{display:grid;place-items:center}
  .nav-actions{margin-left:auto}
  .brand-text{max-width:190px;font-size:.9rem}
}
@media (max-width:768px){
  .section{padding:52px 0}
  .article-hero{padding:40px 0 46px}
  .matrix-grid,.channel-grid{grid-template-columns:1fr}
  .metric-board{grid-template-columns:1fr}
  .metric-item{border-right:0;border-bottom:1px solid rgba(56,189,248,.14)}
  .metric-item:last-child{border-bottom:0}
  .cta-panel{padding:26px 20px;border-radius:var(--radius)}
  .foot-grid{grid-template-columns:1fr}
  .foot-bottom{flex-direction:column;align-items:flex-start}
  .fab-support{bottom:88px;padding:11px 16px;font-size:.8rem}
}
@media (max-width:520px){
  .container-x{padding:0 16px}
  .nav-actions .btn-ghost-x{display:none !important}
  .brand-mark{width:38px;height:38px;flex:0 0 38px;font-size:1rem}
  .brand-text{font-size:.84rem;max-width:160px}
  .btn-x{padding:12px 20px;font-size:.9rem;width:100%}
  .hero-cta .btn-x,.cta-panel .btn-x{width:100%}
  .meta-chip{font-size:.78rem}
  .hero-facts strong{min-width:80px}
  .article-body{font-size:.98rem}
}

/* roulang page: category2 */
:root{
  --bg-900:#030712;
  --bg-800:#081229;
  --bg-700:#0c1b3a;
  --glass:rgba(15,30,64,.55);
  --glass-line:rgba(56,189,248,.22);
  --blue:#2563eb;
  --blue-lite:#38bdf8;
  --cyan:#22d3ee;
  --holo:#60a5fa;
  --text:#f8fafc;
  --muted:#94a3b8;
  --soft:#cbd5e1;
  --gold:#fbbf24;
  --danger:#f43f5e;
  --ok:#34d399;
  --radius:18px;
  --radius-sm:12px;
  --radius-lg:26px;
  --shadow:0 18px 48px rgba(2,8,23,.65);
  --shadow-glow:0 0 26px rgba(56,189,248,.35);
  --gap:26px;
  --font:'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  background:
    radial-gradient(1100px 620px at 12% -8%, rgba(37,99,235,.28), transparent 60%),
    radial-gradient(900px 520px at 92% 4%, rgba(34,211,238,.16), transparent 62%),
    var(--bg-900);
  color:var(--text);
  line-height:1.62;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--blue-lite);text-decoration:none;transition:color .22s ease}
a:hover{color:var(--cyan)}
button,input,select,textarea{font-family:inherit;font-size:1rem}
.container-x{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
.section{padding:66px 0;position:relative}
.section-alt{background:linear-gradient(180deg,rgba(8,18,41,.85),rgba(3,7,18,.35))}
.section-line{border-top:1px solid rgba(148,163,184,.14)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.74rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--cyan);background:rgba(34,211,238,.08);
  border:1px solid rgba(34,211,238,.3);border-radius:999px;
  padding:6px 14px;margin-bottom:16px;
}
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:999px;font-weight:700;font-size:.95rem;
  border:1px solid transparent;cursor:pointer;transition:transform .2s ease,box-shadow .25s ease,background .25s ease,color .2s ease;
  text-align:center;
}
.btn-primary-x{background:linear-gradient(120deg,var(--blue),var(--blue-lite));color:#04121f;box-shadow:var(--shadow-glow)}
.btn-primary-x:hover{transform:translateY(-2px);box-shadow:0 0 34px rgba(56,189,248,.55);color:#04121f}
.btn-ghost-x{background:rgba(56,189,248,.06);border-color:rgba(56,189,248,.42);color:var(--blue-lite)}
.btn-ghost-x:hover{background:rgba(56,189,248,.15);color:#e0f2fe;transform:translateY(-2px)}
.btn-gold-x{background:linear-gradient(120deg,#f59e0b,#fcd34d);color:#241503}
.btn-gold-x:hover{transform:translateY(-2px);box-shadow:0 0 28px rgba(251,191,36,.45);color:#241503}
.btn-x:active{transform:translateY(1px) scale(.99)}
.btn-x:focus-visible,.nav-links a:focus-visible,.mobile-drawer a:focus-visible{outline:2px solid var(--cyan);outline-offset:2px}
.tag{display:inline-block;font-size:.72rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;padding:4px 11px;border-radius:999px;background:rgba(96,165,250,.12);color:var(--holo);border:1px solid rgba(96,165,250,.3)}
.tag.hot{background:rgba(244,63,94,.14);color:#fda4af;border-color:rgba(244,63,94,.36)}
.tag.gold{background:rgba(251,191,36,.14);color:var(--gold);border-color:rgba(251,191,36,.38)}
.tag.ok{background:rgba(52,211,153,.14);color:var(--ok);border-color:rgba(52,211,153,.35)}
.site-header{position:sticky;top:0;z-index:1030;background:rgba(3,7,18,.82);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom:1px solid rgba(56,189,248,.16)}
.nav-wrap{display:flex;align-items:center;gap:20px;min-height:74px}
.brand{display:flex;align-items:center;gap:11px;color:var(--text);font-weight:800;letter-spacing:.2px}
.brand:hover{color:var(--text)}
.brand-mark{width:42px;height:42px;border-radius:13px;flex:0 0 42px;display:grid;place-items:center;background:linear-gradient(135deg,var(--blue),var(--cyan));color:#04121f;font-size:1.1rem;box-shadow:0 0 20px rgba(34,211,238,.42)}
.brand-text{font-size:.98rem;line-height:1.16;max-width:270px}
.brand-text span{display:block;font-size:.68rem;font-weight:600;color:var(--muted);letter-spacing:.1em;text-transform:uppercase}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{padding:9px 14px;border-radius:10px;color:var(--soft);font-weight:600;font-size:.9rem;transition:background .2s ease,color .2s ease}
.nav-links a:hover{background:rgba(56,189,248,.1);color:#e0f2fe}
.nav-links a.active{background:rgba(56,189,248,.16);color:#e0f2fe;box-shadow:inset 0 0 0 1px rgba(56,189,248,.35)}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-actions .btn-x{padding:9px 20px;font-size:.86rem}
.nav-toggle{display:none;background:rgba(56,189,248,.08);border:1px solid rgba(56,189,248,.32);color:var(--blue-lite);width:44px;height:44px;border-radius:12px;font-size:1.05rem}
.mobile-drawer{display:none;flex-direction:column;gap:4px;padding:12px 0 18px;border-top:1px solid rgba(56,189,248,.14)}
.mobile-drawer a{padding:11px 14px;border-radius:10px;color:var(--soft);font-weight:600}
.mobile-drawer a.active{background:rgba(56,189,248,.16);color:#e0f2fe}
.mobile-drawer.open{display:flex}
.hero-category{
  position:relative;overflow:hidden;padding:64px 0 72px;
  background:linear-gradient(180deg,rgba(3,7,18,.72),rgba(3,7,18,.94)),url('/assets/images/b878671d42da2ef5.jpg') center/cover no-repeat;
}
.hero-category::after{content:"";position:absolute;inset:0;background:radial-gradient(620px 320px at 82% 18%,rgba(34,211,238,.22),transparent 65%),radial-gradient(520px 300px at 8% 80%,rgba(37,99,235,.24),transparent 66%);pointer-events:none}
.hero-category .container-x{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center}
.hero-badge{display:inline-flex;align-items:center;gap:8px;font-size:.74rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:#fde68a;background:rgba(251,191,36,.1);border:1px solid rgba(251,191,36,.36);border-radius:999px;padding:7px 16px;margin-bottom:18px}
.hero-category h1{font-size:clamp(1.72rem,4.1vw,2.85rem);margin-bottom:18px;line-height:1.2}
.hero-category h1 em{font-style:normal;background:linear-gradient(120deg,var(--blue-lite),var(--cyan));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lead{font-size:1.03rem;color:#dbeafe;max-width:640px;margin-bottom:26px}
.hero-cta{display:flex;flex-wrap:wrap;gap:13px;margin-bottom:28px}
.hero-stats{display:flex;flex-wrap:wrap;gap:22px}
.hero-stat strong{display:block;font-size:1.5rem;color:#fff}
.hero-stat span{font-size:.8rem;color:var(--muted)}
.hero-panel{background:var(--glass);border:1px solid var(--glass-line);border-radius:var(--radius-lg);padding:24px;box-shadow:var(--shadow);backdrop-filter:blur(10px)}
.hero-panel h2{font-size:1.08rem;margin:0 0 16px}
.mini-list{list-style:none;padding:0;margin:0;display:grid;gap:12px}
.mini-list li{display:flex;gap:12px;align-items:flex-start;color:var(--soft);font-size:.92rem}
.mini-list i{color:var(--cyan);margin-top:4px}
.hero-cover{margin-top:18px;border-radius:var(--radius);overflow:hidden;border:1px solid rgba(56,189,248,.22)}
.section-head{max-width:720px;margin-bottom:34px}
.section-head h2{font-size:clamp(1.4rem,3vw,2rem);margin:0 0 12px;line-height:1.25}
.section-head p{color:var(--muted);margin:0}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--gap)}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap)}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap)}
.card-x{background:var(--glass);border:1px solid var(--glass-line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;height:100%}
.card-x:hover{transform:translateY(-4px);border-color:rgba(56,189,248,.5);box-shadow:0 22px 52px rgba(2,8,23,.72),0 0 22px rgba(56,189,248,.18)}
.card-x h3{font-size:1.08rem;margin:0 0 10px}
.card-x p{color:var(--muted);font-size:.94rem;margin:0}
.card-icon{width:46px;height:46px;border-radius:13px;display:grid;place-items:center;background:rgba(56,189,248,.12);color:var(--cyan);font-size:1.1rem;margin-bottom:16px}
.metric-panel{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:rgba(56,189,248,.14);border:1px solid rgba(56,189,248,.18);border-radius:var(--radius-lg);overflow:hidden}
.metric-item{background:rgba(8,18,41,.72);padding:24px 20px}
.metric-item strong{display:block;font-size:1.65rem;color:#e0f2fe}
.metric-item span{font-size:.82rem;color:var(--muted)}
.feature-row{display:grid;grid-template-columns:1fr 1fr;gap:38px;align-items:center}
.feature-media{border-radius:var(--radius-lg);overflow:hidden;border:1px solid rgba(56,189,248,.22);box-shadow:var(--shadow)}
.feature-copy h2{font-size:clamp(1.4rem,3vw,2rem);margin:0 0 14px;line-height:1.28}
.feature-copy p{color:var(--soft);margin-bottom:16px}
.check-list{list-style:none;padding:0;margin:0;display:grid;gap:11px}
.check-list li{display:flex;gap:10px;color:var(--soft);font-size:.94rem}
.check-list i{color:var(--ok);margin-top:4px}
.process{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step}
.process-item{position:relative;padding:24px 20px 20px;border-left:2px solid rgba(56,189,248,.35)}
.process-item::before{counter-increment:step;content:"0" counter(step);display:block;font-size:1.4rem;font-weight:800;color:var(--cyan);margin-bottom:8px}
.process-item h3{font-size:1rem;margin:0 0 8px}
.process-item p{color:var(--muted);font-size:.9rem;margin:0}
.compare-table{width:100%;border-collapse:separate;border-spacing:0;background:rgba(8,18,41,.7);border:1px solid rgba(56,189,248,.2);border-radius:var(--radius);overflow:hidden}
.compare-table th,.compare-table td{padding:15px 18px;border-bottom:1px solid rgba(148,163,184,.13);text-align:left;font-size:.92rem}
.compare-table th{background:rgba(37,99,235,.18);color:#e0f2fe}
.compare-table td{color:var(--soft)}
.compare-table tr:last-child td{border-bottom:0}
.latest-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.post-card{background:var(--glass);border:1px solid var(--glass-line);border-radius:var(--radius);overflow:hidden;transition:transform .25s ease,border-color .25s ease;height:100%}
.post-card:hover{transform:translateY(-4px);border-color:rgba(56,189,248,.5)}
.post-thumb{aspect-ratio:16/9;width:100%;object-fit:cover}
.post-body{padding:20px}
.post-body h3{font-size:1.02rem;margin:10px 0 8px;line-height:1.4}
.post-body h3 a{color:#e0f2fe}
.post-body h3 a:hover{color:var(--cyan)}
.post-body p{color:var(--muted);font-size:.88rem;margin:0}
.meta{display:flex;gap:12px;flex-wrap:wrap;color:var(--muted);font-size:.78rem}
.empty-list{text-align:center;color:var(--muted);padding:28px;border:1px dashed rgba(148,163,184,.3);border-radius:var(--radius)}
.trust-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.trust-item{display:flex;gap:12px;align-items:flex-start}
.trust-item i{color:var(--gold);font-size:1.2rem;margin-top:4px}
.trust-item strong{display:block;margin-bottom:3px}
.trust-item span{color:var(--muted);font-size:.86rem}
.faq-list{display:grid;gap:14px}
.faq-item{background:rgba(8,18,41,.66);border:1px solid rgba(56,189,248,.18);border-radius:var(--radius-sm);padding:0;overflow:hidden}
.faq-item button{width:100%;background:none;border:0;color:var(--text);text-align:left;padding:20px;font-weight:700;display:flex;justify-content:space-between;gap:16px;cursor:pointer}
.faq-item button i{color:var(--cyan);transition:transform .25s ease}
.faq-item.open button i{transform:rotate(45deg)}
.faq-answer{display:none;padding:0 20px 20px;color:var(--muted);font-size:.94rem}
.faq-item.open .faq-answer{display:block}
.cta-band{background:linear-gradient(120deg,rgba(37,99,235,.28),rgba(34,211,238,.14)),url('/assets/images/387e737b562d30cd.jpg') center/cover no-repeat;border:1px solid rgba(56,189,248,.3);border-radius:var(--radius-lg);padding:44px;display:grid;grid-template-columns:1.3fr .7fr;gap:30px;align-items:center;box-shadow:var(--shadow)}
.cta-band h2{font-size:clamp(1.4rem,3vw,2rem);margin:0 0 12px}
.cta-band p{color:#dbeafe;margin:0}
.cta-form{display:grid;gap:12px}
.cta-form input,.cta-form select{width:100%;padding:13px 15px;border-radius:12px;border:1px solid rgba(56,189,248,.3);background:rgba(3,7,18,.72);color:var(--text)}
.cta-form input::placeholder{color:#64748b}
.cta-form input:focus,.cta-form select:focus{outline:2px solid var(--cyan);outline-offset:1px;border-color:transparent}
.site-footer{background:#020617;border-top:1px solid rgba(56,189,248,.16);padding:54px 0 28px;margin-top:20px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:30px}
.foot-brand p{color:var(--muted);font-size:.9rem;margin:16px 0 0}
.foot-col h4{font-size:.92rem;margin:0 0 14px;color:#e0f2fe}
.foot-col ul{list-style:none;padding:0;margin:0;display:grid;gap:9px}
.foot-col li,.foot-col a{color:var(--muted);font-size:.88rem}
.foot-col a:hover{color:var(--cyan)}
.foot-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px;align-items:center;border-top:1px solid rgba(148,163,184,.13);margin-top:36px;padding-top:22px;color:var(--muted);font-size:.82rem}
.foot-badges{display:flex;flex-wrap:wrap;gap:8px}
.foot-badges span{padding:5px 10px;border:1px solid rgba(56,189,248,.22);border-radius:999px;background:rgba(56,189,248,.06);font-size:.74rem}
.fab-help{position:fixed;left:16px;bottom:96px;z-index:50;width:56px;height:56px;border-radius:50%;display:grid;place-items:center;background:rgba(7,7,13,.82);border:1px solid rgba(56,189,248,.6);color:var(--cyan);box-shadow:0 0 22px rgba(34,211,238,.4);backdrop-filter:blur(10px)}
.fab-help:hover{color:#fff;transform:scale(1.08)}
.fab-help::after{content:"";position:absolute;top:4px;right:4px;width:10px;height:10px;border-radius:50%;background:var(--danger);box-shadow:0 0 8px rgba(244,63,94,.9)}
@media (max-width:1024px){
  .hero-grid,.feature-row,.cta-band{grid-template-columns:1fr}
  .grid-4,.metric-panel,.trust-strip{grid-template-columns:repeat(2,1fr)}
  .latest-grid{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:repeat(2,1fr)}
  .nav-links{display:none}
  .nav-toggle{display:grid;place-items:center}
  .nav-actions{margin-left:auto}
}
@media (max-width:768px){
  .section{padding:48px 0}
  .grid-2,.grid-3,.grid-4,.process,.latest-grid,.metric-panel,.trust-strip,.foot-grid{grid-template-columns:1fr}
  .hero-category{padding:46px 0 56px}
  .hero-cta{flex-direction:column;align-items:stretch}
  .hero-cta .btn-x{width:100%}
  .cta-band{padding:28px}
  .compare-table{display:block;overflow-x:auto}
}
@media (max-width:520px){
  .container-x{padding:0 15px}
  .brand-text{font-size:.82rem;max-width:210px}
  .brand-text span{font-size:.6rem}
  .nav-wrap{min-height:66px;gap:10px}
  .nav-actions .btn-x{padding:8px 12px;font-size:.78rem}
  .hero-category h1{font-size:1.55rem}
  .section-head h2,.feature-copy h2,.cta-band h2{font-size:1.3rem}
}

/* roulang page: category3 */
:root{
  --bg-900:#030712;
  --bg-800:#081229;
  --bg-700:#0c1b3a;
  --glass:rgba(15,30,64,.55);
  --glass-line:rgba(56,189,248,.22);
  --blue:#2563eb;
  --blue-lite:#38bdf8;
  --cyan:#22d3ee;
  --holo:#60a5fa;
  --text:#f8fafc;
  --muted:#94a3b8;
  --soft:#cbd5e1;
  --gold:#fbbf24;
  --danger:#f43f5e;
  --ok:#34d399;
  --radius:18px;
  --radius-sm:12px;
  --radius-lg:26px;
  --shadow:0 18px 48px rgba(2,8,23,.65);
  --shadow-glow:0 0 26px rgba(56,189,248,.35);
  --gap:26px;
  --font:'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  background:
    radial-gradient(1100px 620px at 12% -8%, rgba(37,99,235,.28), transparent 60%),
    radial-gradient(900px 520px at 92% 4%, rgba(34,211,238,.16), transparent 62%),
    var(--bg-900);
  color:var(--text);
  line-height:1.62;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--blue-lite);text-decoration:none;transition:color .22s ease}
a:hover{color:var(--cyan)}
button,input,select,textarea{font-family:inherit;font-size:1rem}
h1,h2,h3,h4{line-height:1.25;font-weight:800;margin:0 0 14px}
p{margin:0 0 14px}
ul{margin:0;padding:0;list-style:none}

.container-x{width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
.section{padding:66px 0;position:relative}
.section-alt{background:linear-gradient(180deg,rgba(8,18,41,.85),rgba(3,7,18,.35))}
.section-line{border-top:1px solid rgba(148,163,184,.14)}
.sec-head{max-width:760px;margin-bottom:34px}
.sec-head h2{font-size:clamp(1.35rem,2.7vw,2rem)}
.sec-head p{color:var(--soft);margin:0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.74rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--cyan);background:rgba(34,211,238,.08);
  border:1px solid rgba(34,211,238,.3);border-radius:999px;
  padding:6px 14px;margin-bottom:16px;
}
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:999px;font-weight:700;font-size:.95rem;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .25s ease,background .25s ease,color .2s ease;
  text-align:center;
}
.btn-primary-x{background:linear-gradient(120deg,var(--blue),var(--blue-lite));color:#04121f;box-shadow:var(--shadow-glow)}
.btn-primary-x:hover{transform:translateY(-2px);box-shadow:0 0 34px rgba(56,189,248,.55);color:#04121f}
.btn-ghost-x{background:rgba(56,189,248,.06);border-color:rgba(56,189,248,.42);color:var(--blue-lite)}
.btn-ghost-x:hover{background:rgba(56,189,248,.15);color:#e0f2fe;transform:translateY(-2px)}
.btn-gold-x{background:linear-gradient(120deg,#f59e0b,#fcd34d);color:#241503}
.btn-gold-x:hover{transform:translateY(-2px);box-shadow:0 0 28px rgba(251,191,36,.45);color:#241503}
.btn-x:active{transform:translateY(1px) scale(.99)}
.btn-x:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}
.tag{
  display:inline-block;font-size:.72rem;font-weight:700;letter-spacing:.08em;
  text-transform:uppercase;padding:4px 11px;border-radius:999px;
  background:rgba(96,165,250,.12);color:var(--holo);border:1px solid rgba(96,165,250,.3);
}
.tag.hot{background:rgba(244,63,94,.14);color:#fda4af;border-color:rgba(244,63,94,.36)}
.tag.gold{background:rgba(251,191,36,.14);color:var(--gold);border-color:rgba(251,191,36,.38)}
.tag.ok{background:rgba(52,211,153,.14);color:var(--ok);border-color:rgba(52,211,153,.35)}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(3,7,18,.82);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(56,189,248,.16);
}
.nav-wrap{display:flex;align-items:center;gap:20px;min-height:74px}
.brand{display:flex;align-items:center;gap:11px;color:var(--text);font-weight:800;letter-spacing:.2px}
.brand:hover{color:var(--text)}
.brand-mark{
  width:42px;height:42px;border-radius:13px;flex:0 0 42px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--blue),var(--cyan));
  color:#04121f;font-size:1.1rem;
  box-shadow:0 0 20px rgba(34,211,238,.42);
}
.brand-text{font-size:.98rem;line-height:1.16;max-width:270px}
.brand-text span{display:block;font-size:.68rem;font-weight:600;color:var(--muted);letter-spacing:.1em;text-transform:uppercase}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
  padding:9px 14px;border-radius:10px;color:var(--soft);font-weight:600;font-size:.9rem;
  transition:background .2s ease,color .2s ease;
}
.nav-links a:hover{background:rgba(56,189,248,.1);color:#e0f2fe}
.nav-links a.active{background:rgba(56,189,248,.16);color:#e0f2fe;box-shadow:inset 0 0 0 1px rgba(56,189,248,.35)}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-actions .btn-x{padding:9px 20px;font-size:.86rem}
.nav-toggle{
  display:none;background:rgba(56,189,248,.08);border:1px solid rgba(56,189,248,.32);
  color:var(--blue-lite);width:44px;height:44px;border-radius:12px;font-size:1.05rem;
}
.mobile-drawer{
  display:none;flex-direction:column;gap:4px;
  padding:12px 0 18px;border-top:1px solid rgba(56,189,248,.14);
}
.mobile-drawer a{padding:11px 14px;border-radius:10px;color:var(--soft);font-weight:600}
.mobile-drawer a.active{background:rgba(56,189,248,.16);color:#e0f2fe}
.mobile-drawer.open{display:flex}

/* ===== Hero (lead capture) ===== */
.hero-cat{
  position:relative;overflow:hidden;
  padding:58px 0 66px;
  background:
    linear-gradient(180deg,rgba(3,7,18,.78),rgba(3,7,18,.95)),
    url('/assets/images/b878671d42da2ef5.jpg') center/cover no-repeat;
}
.hero-cat::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(640px 320px at 84% 14%, rgba(34,211,238,.22), transparent 65%),
    radial-gradient(540px 300px at 6% 84%, rgba(37,99,235,.24), transparent 66%);
}
.hero-cat .container-x{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:42px;align-items:center}
.hero-path{display:flex;align-items:center;gap:8px;font-size:.8rem;color:var(--muted);margin-bottom:14px}
.hero-path a{color:var(--muted)}
.hero-path a:hover{color:var(--cyan)}
.hero-cat h1{font-size:clamp(1.7rem,4vw,2.7rem);margin-bottom:16px}
.hero-cat h1 em{
  font-style:normal;
  background:linear-gradient(120deg,var(--blue-lite),var(--cyan));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-pain{
  display:flex;gap:12px;align-items:flex-start;
  background:rgba(244,63,94,.08);border:1px solid rgba(244,63,94,.28);
  border-radius:var(--radius-sm);padding:14px 16px;margin-bottom:20px;color:#fecdd3;font-weight:600;
}
.hero-pain i{color:var(--danger);margin-top:3px}
.hero-lead{font-size:1.02rem;color:#dbeafe;max-width:630px;margin-bottom:22px}
.lead-form{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:14px}
.lead-form input{
  flex:1 1 220px;min-width:0;padding:14px 16px;border-radius:14px;
  background:rgba(3,7,18,.62);border:1px solid var(--glass-line);color:var(--text);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.lead-form input::placeholder{color:#64748b}
.lead-form input:focus{outline:none;border-color:var(--blue-lite);box-shadow:0 0 0 3px rgba(56,189,248,.18)}
.form-note{font-size:.82rem;color:var(--muted);margin:0}
.hero-mini{display:flex;flex-wrap:wrap;gap:18px;margin-top:24px;padding-top:20px;border-top:1px solid rgba(148,163,184,.16)}
.hero-mini div{min-width:110px}
.hero-mini b{display:block;font-size:1.28rem;color:#e0f2fe;letter-spacing:.4px}
.hero-mini span{font-size:.78rem;color:var(--muted)}
.hero-visual{position:relative;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--glass-line);box-shadow:var(--shadow)}
.hero-visual img{width:100%;height:420px;object-fit:cover}
.hero-visual .glow-panel{
  position:absolute;left:16px;right:16px;bottom:16px;
  background:rgba(3,7,18,.72);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border:1px solid var(--glass-line);border-radius:var(--radius);padding:16px 18px;
}
.hero-visual .glow-panel h3{font-size:.95rem;margin-bottom:10px;color:#e0f2fe}
.glow-rows{display:flex;flex-direction:column;gap:8px}
.glow-row{display:flex;align-items:center;justify-content:space-between;font-size:.84rem;color:var(--soft)}
.glow-row b{color:var(--cyan)}
.pulse-dot{width:8px;height:8px;border-radius:50%;background:var(--ok);display:inline-block;margin-right:7px;box-shadow:0 0 10px rgba(52,211,153,.9);animation:pulse 1.6s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.45;transform:scale(.8)}}

/* ===== Metrics board ===== */
.metric-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.metric-card{
  background:var(--glass);border:1px solid var(--glass-line);border-radius:var(--radius);
  padding:22px 20px;position:relative;overflow:hidden;
  transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.metric-card:hover{transform:translateY(-4px);border-color:rgba(56,189,248,.5);box-shadow:var(--shadow-glow)}
.metric-card i{font-size:1.15rem;color:var(--blue-lite);margin-bottom:12px;display:block}
.metric-card b{display:block;font-size:1.75rem;letter-spacing:.5px;color:#e0f2fe;line-height:1.2}
.metric-card span{font-size:.85rem;color:var(--muted)}
.metric-card em{display:block;font-style:normal;font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--cyan);margin-top:10px}

/* ===== Matrix (service) ===== */
.matrix-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.matrix-card{
  background:linear-gradient(180deg,rgba(15,30,64,.72),rgba(8,18,41,.72));
  border:1px solid var(--glass-line);border-radius:var(--radius);padding:22px;
  display:flex;flex-direction:column;gap:10px;
  transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.matrix-card:hover{transform:translateY(-5px);border-color:rgba(34,211,238,.55);box-shadow:0 0 28px rgba(34,211,238,.25)}
.matrix-card h3{font-size:1.06rem;margin-bottom:2px}
.matrix-card p{color:var(--soft);font-size:.92rem;margin:0}
.matrix-meta{display:flex;gap:8px;flex-wrap:wrap;margin-top:auto;padding-top:12px;border-top:1px solid rgba(148,163,184,.14)}

/* ===== Compare ===== */
.compare-wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:32px;align-items:start}
.compare-col{
  background:var(--glass);border:1px solid var(--glass-line);border-radius:var(--radius);padding:22px;
}
.compare-col.bad{border-color:rgba(244,63,94,.3)}
.compare-col.good{border-color:rgba(52,211,153,.32)}
.compare-col h3{font-size:1.02rem;display:flex;align-items:center;gap:9px}
.compare-col ul li{display:flex;gap:10px;padding:9px 0;color:var(--soft);font-size:.92rem;border-bottom:1px dashed rgba(148,163,184,.14)}
.compare-col ul li:last-child{border-bottom:0}
.compare-col ul li i{margin-top:4px}
.bad i{color:var(--danger)}
.good i{color:var(--ok)}
.result-table{width:100%;border-collapse:separate;border-spacing:0;background:rgba(8,18,41,.6);border:1px solid var(--glass-line);border-radius:var(--radius);overflow:hidden;margin-top:30px}
.result-table th,.result-table td{padding:14px 16px;text-align:left;font-size:.9rem;border-bottom:1px solid rgba(148,163,184,.12)}
.result-table th{background:rgba(37,99,235,.18);color:#e0f2fe;font-weight:700;letter-spacing:.04em}
.result-table td{color:var(--soft)}
.result-table tr:last-child td{border-bottom:0}
.result-table td strong{color:var(--cyan)}

/* ===== Timeline ===== */
.timeline{position:relative;padding-left:26px}
.timeline::before{content:"";position:absolute;left:7px;top:6px;bottom:6px;width:2px;background:linear-gradient(180deg,var(--blue-lite),rgba(37,99,235,.15))}
.tl-item{position:relative;padding:0 0 26px 22px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-26px;top:6px;width:16px;height:16px;border-radius:50%;
  background:var(--bg-900);border:2px solid var(--blue-lite);box-shadow:0 0 12px rgba(56,189,248,.6);
}
.tl-item time{display:block;font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;color:var(--cyan);margin-bottom:5px}
.tl-item h3{font-size:1rem;margin-bottom:6px}
.tl-item p{color:var(--soft);font-size:.92rem;margin:0}

/* ===== News list ===== */
.news-list{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.news-item{
  display:flex;flex-direction:column;gap:10px;
  background:var(--glass);border:1px solid var(--glass-line);border-radius:var(--radius);
  padding:20px;color:var(--text);
  transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.news-item:hover{transform:translateY(-4px);border-color:rgba(56,189,248,.5);box-shadow:var(--shadow-glow);color:var(--text)}
.news-item h3{font-size:1rem;margin:0}
.news-item p{font-size:.9rem;color:var(--muted);margin:0}
.news-foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:12px;border-top:1px solid rgba(148,163,184,.14);font-size:.8rem;color:var(--muted)}
.news-foot i{color:var(--blue-lite)}
.news-empty{
  grid-column:1/-1;text-align:left;color:var(--muted);
  background:var(--glass);border:1px dashed var(--glass-line);border-radius:var(--radius);padding:22px;
}

/* ===== Assurance ===== */
.assure-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.assure-item{border-left:2px solid rgba(56,189,248,.5);padding:4px 0 4px 16px}
.assure-item i{color:var(--cyan);margin-bottom:8px;display:block;font-size:1.1rem}
.assure-item h3{font-size:.98rem;margin-bottom:6px}
.assure-item p{font-size:.88rem;color:var(--muted);margin:0}

/* ===== Quick answers ===== */
.qa-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.qa-card{background:rgba(15,30,64,.4);border:1px solid var(--glass-line);border-radius:var(--radius);padding:20px}
.qa-card h3{font-size:1rem;display:flex;gap:10px;align-items:flex-start}
.qa-card h3 i{color:var(--gold);margin-top:4px}
.qa-card p{color:var(--soft);font-size:.92rem;margin:0}

/* ===== FAQ ===== */
.accordion-x .accordion-item{background:var(--glass);border:1px solid var(--glass-line);border-radius:var(--radius);margin-bottom:12px;overflow:hidden}
.accordion-x .accordion-button{
  background:transparent;color:var(--text);font-weight:700;font-size:.98rem;
  box-shadow:none;padding:18px 20px;
}
.accordion-x .accordion-button:not(.collapsed){background:rgba(37,99,235,.16);color:#e0f2fe}
.accordion-x .accordion-button:focus{box-shadow:none;border-color:rgba(56,189,248,.4)}
.accordion-x .accordion-button::after{filter:invert(1) brightness(1.6) saturate(0)}
.accordion-x .accordion-body{color:var(--soft);padding:0 20px 20px;line-height:1.66;font-size:.93rem}

/* ===== CTA form ===== */
.cta-panel{
  position:relative;overflow:hidden;
  border-radius:var(--radius-lg);border:1px solid var(--glass-line);
  background:
    linear-gradient(120deg,rgba(3,7,18,.86),rgba(8,18,41,.9)),
    url('/assets/images/1f0dbc42fc2d4b5d.jpg') center/cover no-repeat;
  padding:40px;
  box-shadow:var(--shadow);
}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:center}
.cta-panel h2{font-size:clamp(1.3rem,2.6vw,1.9rem)}
.cta-panel p{color:var(--soft)}
.cta-list li{display:flex;gap:10px;color:var(--soft);font-size:.92rem;padding:6px 0}
.cta-list i{color:var(--ok);margin-top:4px}
.signup-form{background:rgba(3,7,18,.66);border:1px solid var(--glass-line);border-radius:var(--radius);padding:24px;backdrop-filter:blur(10px)}
.field{margin-bottom:14px}
.field label{display:block;font-size:.8rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);margin-bottom:7px}
.field input,.field select{
  width:100%;padding:13px 15px;border-radius:13px;
  background:rgba(3,7,18,.7);border:1px solid var(--glass-line);color:var(--text);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field select{appearance:none}
.field input:focus,.field select:focus{outline:none;border-color:var(--blue-lite);box-shadow:0 0 0 3px rgba(56,189,248,.18)}
.signup-form .btn-x{width:100%}
.form-note-2{font-size:.78rem;color:var(--muted);margin:12px 0 0;text-align:left}

/* ===== FAB ===== */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:1050;
  display:inline-flex;align-items:center;gap:10px;
  padding:12px 18px;min-height:56px;border-radius:999px;
  background:rgba(7,7,13,.8);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border:1px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.86),rgba(7,7,13,.86)),linear-gradient(120deg,var(--cyan),var(--blue-lite));
  background-origin:border-box;background-clip:padding-box,border-box;
  color:#e0f2fe;font-weight:700;font-size:.86rem;
  box-shadow:0 0 20px rgba(6,182,212,.45);
  opacity:.78;transition:opacity .25s ease,transform .25s ease,box-shadow .25s ease;
  animation:fabPulse 3s ease-in-out infinite;
}
.fab:hover{opacity:1;transform:scale(1.05);color:#ffffff;box-shadow:0 0 34px rgba(6,182,212,.7)}
.fab:active{transform:scale(.95) translateY(2px)}
.fab i{color:var(--cyan);font-size:1.05rem}
.fab-dot{position:absolute;top:-4px;right:-4px;width:12px;height:12px;border-radius:50%;background:var(--danger);box-shadow:0 0 10px rgba(244,63,94,.9)}
@keyframes fabPulse{0%,100%{box-shadow:0 0 18px rgba(6,182,212,.38)}50%{box-shadow:0 0 30px rgba(6,182,212,.66)}}

/* ===== Footer ===== */
.site-footer{
  background:linear-gradient(180deg,rgba(3,7,18,.4),rgba(8,18,41,.92));
  border-top:1px solid rgba(56,189,248,.16);
  padding:56px 0 26px;
}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:34px}
.foot-brand .brand{margin-bottom:16px}
.foot-brand p{color:var(--muted);font-size:.9rem;max-width:360px}
.foot-col h4{font-size:.82rem;letter-spacing:.14em;text-transform:uppercase;color:var(--cyan);margin-bottom:14px}
.foot-col ul li{color:var(--muted);font-size:.9rem;padding:5px 0}
.foot-col ul li a{color:var(--soft)}
.foot-col ul li a:hover{color:var(--cyan)}
.foot-bottom{
  margin-top:34px;padding-top:20px;border-top:1px solid rgba(148,163,184,.14);
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
  font-size:.82rem;color:var(--muted);
}
.foot-badges{display:flex;flex-wrap:wrap;gap:10px}
.foot-badges span{
  border:1px solid rgba(56,189,248,.28);border-radius:999px;padding:5px 12px;
  font-size:.75rem;color:var(--soft);background:rgba(56,189,248,.06);
}

/* ===== Responsive ===== */
@media (max-width:1200px){
  .matrix-grid{grid-template-columns:repeat(2,1fr)}
  .assure-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .hero-visual img{height:340px}
  .metric-grid{grid-template-columns:repeat(2,1fr)}
  .compare-wrap{grid-template-columns:1fr}
  .news-list{grid-template-columns:repeat(2,1fr)}
  .cta-grid{grid-template-columns:1fr;gap:26px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:991px){
  .nav-links{display:none}
  .nav-toggle{display:grid;place-items:center}
  .nav-actions{margin-left:auto}
  .nav-actions .btn-ghost-x{display:none}
}
@media (max-width:768px){
  .section{padding:52px 0}
  .hero-cat{padding:44px 0 54px}
  .metric-grid{grid-template-columns:1fr 1fr}
  .qa-grid{grid-template-columns:1fr}
  .cta-panel{padding:28px 22px}
  .brand-text{font-size:.88rem;max-width:200px}
  .fab{left:12px;bottom:88px;padding:11px 15px;font-size:.8rem}
}
@media (max-width:520px){
  .container-x{padding:0 16px}
  .metric-grid{grid-template-columns:1fr}
  .matrix-grid{grid-template-columns:1fr}
  .news-list{grid-template-columns:1fr}
  .assure-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .hero-visual img{height:270px}
  .hero-mini{gap:12px}
  .lead-form input{flex:1 1 100%}
  .lead-form .btn-x{width:100%}
  .nav-actions .btn-primary-x{padding:8px 14px;font-size:.8rem}
  .nav-wrap{gap:10px}
}

/* 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}