/* roulang page: index */
:root{
  --bg-0:#030712;
  --bg-1:#081229;
  --bg-2:#0d1c3a;
  --glass:rgba(15,32,64,.55);
  --glass-strong:rgba(13,28,58,.85);
  --line:rgba(56,189,248,.18);
  --line-strong:rgba(56,189,248,.42);
  --txt:#f8fafc;
  --txt-soft:#c7d5ea;
  --txt-mute:#94a3b8;
  --blue:#2563eb;
  --blue-2:#3b82f6;
  --cyan:#38bdf8;
  --holo:#60a5fa;
  --green:#34d399;
  --amber:#fbbf24;
  --radius-s:10px;
  --radius-m:16px;
  --radius-l:24px;
  --shadow:0 18px 48px rgba(3,7,18,.55);
  --glow-blue:0 0 22px rgba(37,99,235,.45);
  --glow-cyan:0 0 20px rgba(56,189,248,.4);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:
    radial-gradient(1100px 620px at 12% -8%,rgba(37,99,235,.22),transparent 60%),
    radial-gradient(900px 520px at 92% 4%,rgba(56,189,248,.16),transparent 62%),
    linear-gradient(180deg,var(--bg-0),var(--bg-1) 45%,#040a16 100%);
  color:var(--txt);
  font-family:"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
  line-height:1.62;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}
.section{padding:74px 0;position:relative}
.section--tight{padding:52px 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--cyan);font-weight:700;
  background:rgba(56,189,248,.08);
  border:1px solid var(--line);
  padding:7px 14px;border-radius:999px;
}
.h2{
  font-size:clamp(24px,3.4vw,36px);
  line-height:1.25;font-weight:800;margin:16px 0 12px;letter-spacing:-.01em;
}
.h3{font-size:20px;font-weight:700;margin:0 0 8px}
.lead{color:var(--txt-soft);max-width:820px;font-size:16px}
.muted{color:var(--txt-mute)}
.glass{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  backdrop-filter:blur(14px);
  box-shadow:var(--shadow);
}
.grid{display:grid;gap:20px}
.g-2{grid-template-columns:repeat(2,1fr)}
.g-3{grid-template-columns:repeat(3,1fr)}
.g-4{grid-template-columns:repeat(4,1fr)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 26px;border-radius:999px;font-weight:700;font-size:15px;
  border:1px solid transparent;cursor:pointer;transition:.25s ease;
}
.btn-primary{
  background:linear-gradient(135deg,var(--blue),var(--cyan));
  color:#03101f;box-shadow:var(--glow-blue);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 30px rgba(56,189,248,.6)}
.btn-ghost{
  background:rgba(56,189,248,.06);color:var(--txt);border-color:var(--line-strong);
}
.btn-ghost:hover{background:rgba(56,189,248,.14);border-color:var(--cyan);transform:translateY(-2px)}
.btn:focus-visible,a:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}
header.site-head{
  position:sticky;top:0;z-index:60;
  background:rgba(3,7,18,.78);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;gap:22px;min-height:74px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:15px;line-height:1.25}
.brand-mark{
  width:42px;height:42px;flex:0 0 42px;border-radius:13px;
  background:linear-gradient(135deg,var(--blue),var(--cyan));
  display:grid;place-items:center;color:#03101f;font-weight:900;font-size:16px;
  box-shadow:var(--glow-blue);
}
.brand span{max-width:230px}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-links a{
  padding:10px 14px;border-radius:10px;font-size:14px;font-weight:600;color:var(--txt-soft);
  transition:.2s;
}
.nav-links a:hover{color:#fff;background:rgba(56,189,248,.1)}
.nav-links a.active{color:#fff;background:rgba(37,99,235,.28);border:1px solid var(--line-strong)}
.nav-cta{display:flex;align-items:center;gap:10px;margin-left:12px}
.nav-cta .signin{
  padding:10px 16px;border-radius:999px;border:1px solid var(--line-strong);
  color:var(--cyan);font-weight:700;font-size:14px;background:transparent;transition:.2s;
}
.nav-cta .signin:hover{background:rgba(56,189,248,.12);color:#fff}
.nav-cta .signup{
  padding:11px 20px;border-radius:999px;font-weight:800;font-size:14px;
  background:linear-gradient(135deg,var(--blue),var(--cyan));color:#03101f;
  box-shadow:var(--glow-blue);transition:.2s;
}
.nav-cta .signup:hover{transform:translateY(-2px);box-shadow:0 0 26px rgba(56,189,248,.65)}
.burger{
  display:none;margin-left:auto;background:rgba(56,189,248,.08);
  border:1px solid var(--line-strong);color:#fff;width:44px;height:44px;border-radius:12px;
}
.mobile-menu{display:none;border-top:1px solid var(--line);padding:12px 0 18px}
.mobile-menu a{
  display:block;padding:12px 14px;border-radius:12px;font-weight:600;color:var(--txt-soft);
}
.mobile-menu a:hover{background:rgba(56,189,248,.1);color:#fff}
.mobile-menu.open{display:block}

/* HERO */
.hero{
  position:relative;overflow:hidden;
  border-bottom:1px solid var(--line);
  background-image:linear-gradient(115deg,rgba(3,7,18,.94),rgba(8,18,41,.86)),url('/assets/images/cc949458307aac93.jpg');
  background-size:cover;background-position:center;
}
.hero-grid{
  display:grid;grid-template-columns:1.15fr .85fr;gap:42px;align-items:center;
  padding:78px 0 66px;
}
.hero h1{
  font-size:clamp(28px,4.6vw,50px);line-height:1.16;font-weight:900;
  margin:18px 0 16px;letter-spacing:-.015em;
}
.hero h1 em{
  font-style:normal;
  background:linear-gradient(120deg,var(--cyan),#a5f3fc 60%,var(--blue-2));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero p.hero-lead{color:var(--txt-soft);font-size:16.5px;max-width:640px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-data{display:flex;flex-wrap:wrap;gap:26px;margin-top:32px;padding-top:24px;border-top:1px solid var(--line)}
.hero-data b{display:block;font-size:24px;font-weight:900;color:#fff}
.hero-data small{color:var(--txt-mute);font-size:13px}
.invite-panel{
  padding:26px;border-radius:var(--radius-l);
  background:var(--glass-strong);border:1px solid var(--line-strong);
  backdrop-filter:blur(16px);box-shadow:var(--shadow);
}
.invite-panel .field{margin-bottom:14px}
.invite-panel label{display:block;font-size:13px;color:var(--txt-mute);margin-bottom:7px;font-weight:600}
.invite-panel input{
  width:100%;padding:13px 15px;border-radius:12px;
  background:rgba(3,7,18,.6);border:1px solid var(--line);color:#fff;
}
.invite-panel input:focus{outline:none;border-color:var(--cyan);box-shadow:var(--glow-cyan)}
.progress-row{margin-top:20px}
.progress-track{height:10px;border-radius:999px;background:rgba(56,189,248,.14);overflow:hidden}
.progress-fill{
  height:100%;width:72%;border-radius:999px;
  background:linear-gradient(90deg,var(--blue),var(--cyan));
  box-shadow:var(--glow-cyan);animation:slide 3.6s ease-in-out infinite alternate;
}
@keyframes slide{from{width:58%}to{width:84%}}
.progress-meta{display:flex;justify-content:space-between;font-size:13px;color:var(--txt-mute);margin-top:9px}
.chip-row{display:flex;flex-wrap:wrap;gap:9px;margin-top:20px}
.chip{
  font-size:12.5px;padding:7px 13px;border-radius:999px;font-weight:700;
  background:rgba(56,189,248,.1);border:1px solid var(--line);color:var(--holo);
}
.card{
  padding:26px;border-radius:var(--radius-m);
  background:var(--glass);border:1px solid var(--line);
  backdrop-filter:blur(12px);transition:.28s ease;
}
.card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--glow-cyan)}
.card .ico{
  width:48px;height:48px;border-radius:14px;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(37,99,235,.35),rgba(56,189,248,.25));
  border:1px solid var(--line-strong);color:var(--cyan);font-size:19px;margin-bottom:16px;
}
.card p{color:var(--txt-soft);font-size:14.6px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:30px;align-items:start}
.step-list{list-style:none;padding:0;margin:0}
.step-list li{
  display:flex;gap:16px;padding:18px 0;border-bottom:1px dashed var(--line);
}
.step-list li:last-child{border-bottom:none}
.step-num{
  flex:0 0 40px;width:40px;height:40px;border-radius:12px;
  background:linear-gradient(135deg,var(--blue),var(--cyan));color:#03101f;
  display:grid;place-items:center;font-weight:900;
}
.step-list h4{margin:0 0 4px;font-size:16px;font-weight:800}
.step-list p{margin:0;font-size:14.5px;color:var(--txt-soft)}
.stat-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.stat{
  padding:22px;border-radius:var(--radius-m);text-align:left;
  background:rgba(9,20,42,.7);border:1px solid var(--line);
}
.stat b{display:block;font-size:26px;font-weight:900;color:var(--cyan)}
.stat span{font-size:13px;color:var(--txt-mute)}
.tag-cloud{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.tag-cloud a{
  padding:9px 15px;border-radius:999px;font-size:13.5px;font-weight:600;
  background:rgba(56,189,248,.08);border:1px solid var(--line);color:var(--txt-soft);transition:.2s;
}
.tag-cloud a:hover{background:rgba(37,99,235,.3);color:#fff;border-color:var(--cyan)}
.faq-item{border:1px solid var(--line);border-radius:var(--radius-m);overflow:hidden;background:var(--glass)}
.faq-item summary{
  cursor:pointer;padding:18px 22px;font-weight:700;font-size:15.5px;list-style:none;
  display:flex;justify-content:space-between;gap:14px;align-items:center;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";color:var(--cyan);font-size:20px;font-weight:800}
.faq-item[open] summary::after{content:"–"}
.faq-item p{margin:0;padding:0 22px 20px;color:var(--txt-soft);font-size:14.6px}
.cms-list{display:grid;grid-template-columns:1.25fr .75fr;gap:26px}
.cms-item{
  display:flex;gap:16px;padding:16px;border-radius:var(--radius-m);
  background:rgba(9,20,42,.55);border:1px solid var(--line);transition:.25s;
}
.cms-item:hover{border-color:var(--line-strong);transform:translateY(-3px)}
.cms-item img{width:112px;height:82px;flex:0 0 112px;object-fit:cover;border-radius:12px}
.cms-item h4{margin:0 0 6px;font-size:15.5px;font-weight:800;line-height:1.4}
.cms-item p{margin:0;font-size:13.6px;color:var(--txt-mute)}
.cms-meta{font-size:12.5px;color:var(--cyan);font-weight:700;margin-bottom:6px;display:block}
.cms-stack{display:grid;gap:14px}
.cta-band{
  border-radius:var(--radius-l);padding:44px;text-align:center;
  background-image:linear-gradient(120deg,rgba(3,7,18,.92),rgba(8,18,41,.86)),url('/assets/images/bad6ada80d211ac8.jpg');
  background-size:cover;background-position:center;
  border:1px solid var(--line-strong);box-shadow:var(--shadow);
}
.cta-band h2{font-size:clamp(22px,3vw,32px);font-weight:900;margin:14px 0 12px}
.cta-band p{color:var(--txt-soft);max-width:720px;margin:0 auto 26px}
footer.site-foot{
  border-top:1px solid var(--line);background:rgba(3,7,18,.9);
  padding:56px 0 28px;margin-top:20px;
}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px}
.foot-grid h5{font-size:14px;text-transform:uppercase;letter-spacing:.1em;color:var(--cyan);margin:0 0 14px}
.foot-grid ul{list-style:none;padding:0;margin:0;display:grid;gap:9px}
.foot-grid a{color:var(--txt-mute);font-size:14px;transition:.2s}
.foot-grid a:hover{color:var(--cyan)}
.foot-bar{
  margin-top:36px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:var(--txt-mute);
}
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  display:inline-flex;align-items:center;gap:9px;
  padding:13px 20px;border-radius:999px;font-weight:800;font-size:14px;
  background:rgba(7,7,13,.82);backdrop-filter:blur(12px);color:#fff;
  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-2));
  background-origin:border-box;background-clip:padding-box,border-box;
  box-shadow:var(--glow-cyan);transition:.25s;
}
.fab:hover{transform:translateY(-3px) scale(1.04);opacity:1}
.fab .dot{width:9px;height:9px;border-radius:50%;background:var(--green);box-shadow:0 0 10px var(--green),0 0 18px var(--green);animation:pulse 1.6s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.note{font-size:13px;color:var(--txt-mute)}
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;padding:60px 0 54px}
  .cms-list{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .stat-strip{grid-template-columns:repeat(2,1fr)}
  .g-4{grid-template-columns:repeat(2,1fr)}
  .nav-links{display:none}
  .nav-cta{display:none}
  .burger{display:grid;place-items:center}
}
@media (max-width:768px){
  .section{padding:56px 0}
  .g-2,.g-3,.g-4{grid-template-columns:1fr}
  .split{grid-template-columns:1fr}
  .cta-band{padding:32px 22px}
  .brand span{max-width:180px;font-size:13.5px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .hero h1{font-size:26px}
  .cms-item{flex-direction:column}
  .cms-item img{width:100%;height:150px;flex:none}
  .foot-grid{grid-template-columns:1fr}
  .fab{padding:12px 16px;font-size:13px;bottom:88px}
}

/* roulang page: article */
:root{
  --bg-0:#030712;
  --bg-1:#081229;
  --bg-2:#0d1c3a;
  --glass:rgba(15,32,64,.55);
  --glass-strong:rgba(13,28,58,.85);
  --line:rgba(56,189,248,.18);
  --line-strong:rgba(56,189,248,.42);
  --txt:#f8fafc;
  --txt-soft:#c7d5ea;
  --txt-mute:#94a3b8;
  --blue:#2563eb;
  --blue-2:#3b82f6;
  --cyan:#38bdf8;
  --holo:#60a5fa;
  --green:#34d399;
  --amber:#fbbf24;
  --radius-s:10px;
  --radius-m:16px;
  --radius-l:24px;
  --shadow:0 18px 48px rgba(3,7,18,.55);
  --glow-blue:0 0 22px rgba(37,99,235,.45);
  --glow-cyan:0 0 20px rgba(56,189,248,.4);
}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:
    radial-gradient(1100px 620px at 12% -8%,rgba(37,99,235,.22),transparent 60%),
    radial-gradient(900px 520px at 92% 4%,rgba(56,189,248,.16),transparent 62%),
    linear-gradient(180deg,var(--bg-0),var(--bg-1) 45%,#040a16 100%);
  color:var(--txt);
  font-family:"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
  line-height:1.62;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}
.section{padding:74px 0;position:relative}
.section--tight{padding:52px 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--cyan);font-weight:700;
  background:rgba(56,189,248,.08);
  border:1px solid var(--line);
  padding:7px 14px;border-radius:999px;
}
.lead{color:var(--txt-soft);max-width:820px;font-size:16px}
.muted{color:var(--txt-mute)}
.grid{display:grid;gap:20px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 26px;border-radius:999px;font-weight:700;font-size:15px;
  border:1px solid transparent;cursor:pointer;transition:.25s ease;
}
.btn-primary{
  background:linear-gradient(135deg,var(--blue),var(--cyan));
  color:#03101f;box-shadow:var(--glow-blue);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 30px rgba(56,189,248,.6)}
.btn-ghost{
  background:rgba(56,189,248,.06);color:var(--txt);border-color:var(--line-strong);
}
.btn-ghost:hover{background:rgba(56,189,248,.14);border-color:var(--cyan);transform:translateY(-2px)}
.btn:focus-visible,a:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}
header.site-head{
  position:sticky;top:0;z-index:60;
  background:rgba(3,7,18,.78);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;gap:22px;min-height:74px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:15px;line-height:1.25}
.brand-mark{
  width:42px;height:42px;flex:0 0 42px;border-radius:13px;
  background:linear-gradient(135deg,var(--blue),var(--cyan));
  display:grid;place-items:center;color:#03101f;font-weight:900;font-size:16px;
  box-shadow:var(--glow-blue);
}
.brand span{max-width:230px}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-links a{
  padding:10px 14px;border-radius:10px;font-size:14px;font-weight:600;color:var(--txt-soft);
  transition:.2s;
}
.nav-links a:hover{color:#fff;background:rgba(56,189,248,.1)}
.nav-links a.active{color:#fff;background:rgba(37,99,235,.28);border:1px solid var(--line-strong)}
.nav-cta{display:flex;align-items:center;gap:10px;margin-left:12px}
.nav-cta .signin{
  padding:10px 16px;border-radius:999px;border:1px solid var(--line-strong);
  color:var(--cyan);font-weight:700;font-size:14px;background:transparent;transition:.2s;
}
.nav-cta .signin:hover{background:rgba(56,189,248,.12);color:#fff}
.nav-cta .signup{
  padding:11px 20px;border-radius:999px;font-weight:800;font-size:14px;
  background:linear-gradient(135deg,var(--blue),var(--cyan));color:#03101f;
  box-shadow:var(--glow-blue);transition:.2s;
}
.nav-cta .signup:hover{transform:translateY(-2px);box-shadow:0 0 26px rgba(56,189,248,.65)}
.mobile-menu{display:none;border-top:1px solid var(--line);padding:12px 0 18px}
.mobile-menu a{
  display:block;padding:12px 14px;border-radius:12px;font-weight:600;color:var(--txt-soft);
}
.mobile-menu a:hover{background:rgba(56,189,248,.1);color:#fff}
.mobile-menu.open{display:block}
.nav-toggle{
  display:none;margin-left:auto;width:44px;height:44px;border-radius:12px;
  background:rgba(56,189,248,.08);border:1px solid var(--line-strong);color:var(--cyan);
}
.card{
  padding:26px;border-radius:var(--radius-m);
  background:var(--glass);border:1px solid var(--line);
  backdrop-filter:blur(12px);transition:.28s ease;
}
.card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--glow-cyan)}
.card .ico{
  width:48px;height:48px;border-radius:14px;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(37,99,235,.35),rgba(56,189,248,.25));
  border:1px solid var(--line-strong);color:var(--cyan);font-size:19px;margin-bottom:16px;
}
.art-head{
  position:relative;overflow:hidden;
  border-bottom:1px solid var(--line);
  background-image:linear-gradient(115deg,rgba(3,7,18,.95),rgba(8,18,41,.88)),url('/assets/images/9f36d7b9a251f484.jpg');
  background-size:cover;background-position:center;
  padding:56px 0 48px;
}
.art-crumb{display:flex;flex-wrap:wrap;align-items:center;gap:9px;font-size:13px;color:var(--txt-mute);margin-bottom:18px}
.art-crumb a{color:var(--holo)}
.art-crumb a:hover{color:#fff}
.art-head h1{
  font-size:clamp(25px,3.9vw,42px);line-height:1.2;font-weight:900;margin:14px 0 16px;letter-spacing:-.012em;
  max-width:900px;
}
.art-head h1 em{
  font-style:normal;
  background:linear-gradient(120deg,var(--cyan),#a5f3fc 60%,var(--blue-2));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.art-meta{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.meta-pill{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--txt-soft);
  background:rgba(56,189,248,.08);border:1px solid var(--line);
  padding:8px 15px;border-radius:999px;
}
.meta-pill i{color:var(--cyan)}
.art-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:38px;align-items:start}
.art-body{min-width:0}
.art-body h2{
  font-size:clamp(21px,2.6vw,28px);font-weight:800;margin:44px 0 16px;letter-spacing:-.01em;
  padding-left:16px;border-left:4px solid var(--cyan);line-height:1.32;
}
.art-body h2:first-child{margin-top:0}
.art-body h3{font-size:19px;font-weight:800;margin:30px 0 12px;color:#fff;line-height:1.4}
.art-body p{margin:0 0 17px;color:var(--txt-soft);font-size:16px;line-height:1.72}
.art-body ul,.art-body ol{margin:0 0 20px;padding-left:0;list-style:none}
.art-body ul li{
  position:relative;padding-left:28px;margin-bottom:12px;color:var(--txt-soft);line-height:1.68;
}
.art-body ul li::before{
  content:"\f058";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;left:0;top:2px;color:var(--cyan);font-size:14px;
}
.art-body ol{counter-reset:step}
.art-body ol li{
  position:relative;padding-left:42px;margin-bottom:14px;color:var(--txt-soft);line-height:1.68;
  counter-increment:step;
}
.art-body ol li::before{
  content:counter(step);position:absolute;left:0;top:0;width:28px;height:28px;
  border-radius:9px;background:linear-gradient(135deg,var(--blue),var(--cyan));
  color:#03101f;font-weight:900;font-size:13px;display:grid;place-items:center;
}
.art-body a{color:var(--cyan);font-weight:600;text-decoration:underline;text-underline-offset:3px}
.art-body a:hover{color:#fff}
.art-body blockquote{
  margin:0 0 22px;padding:20px 24px;border-radius:var(--radius-m);
  background:linear-gradient(135deg,rgba(37,99,235,.16),rgba(56,189,248,.08));
  border:1px solid var(--line-strong);border-left:4px solid var(--cyan);color:var(--txt-soft);
}
.art-body blockquote p:last-child{margin-bottom:0}
.art-body img{border-radius:var(--radius-m);border:1px solid var(--line);margin:8px 0 24px}
.art-body table{width:100%;border-collapse:collapse;margin:0 0 24px;font-size:15px}
.art-body th,.art-body td{
  padding:12px 15px;text-align:left;border-bottom:1px solid var(--line);color:var(--txt-soft);
}
.art-body th{background:rgba(56,189,248,.08);color:#fff;font-weight:700}
.sidebar{position:sticky;top:94px;display:grid;gap:20px}
.side-box{
  padding:22px;border-radius:var(--radius-m);background:var(--glass-strong);
  border:1px solid var(--line);backdrop-filter:blur(14px);
}
.side-box h4{
  font-size:15px;font-weight:800;margin:0 0 15px;color:#fff;
  display:flex;align-items:center;gap:9px;
}
.side-box h4 i{color:var(--cyan)}
.side-list{display:grid;gap:11px}
.side-list a{
  display:flex;align-items:center;gap:10px;font-size:14px;color:var(--txt-soft);
  padding:9px 12px;border-radius:10px;border:1px solid transparent;transition:.2s;
}
.side-list a:hover{background:rgba(56,189,248,.1);border-color:var(--line);color:#fff}
.side-list a i{color:var(--cyan);font-size:12px}
.side-note{font-size:13.5px;color:var(--txt-mute);line-height:1.65}
.art-cta{
  margin-top:46px;padding:30px;border-radius:var(--radius-l);
  background:linear-gradient(135deg,rgba(37,99,235,.28),rgba(56,189,248,.14));
  border:1px solid var(--line-strong);text-align:center;
}
.art-cta h3{margin:0 0 10px;font-size:22px;font-weight:900;color:#fff}
.art-cta p{margin:0 auto 22px;color:var(--txt-soft);max-width:560px}
.related-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px;margin-top:26px}
.rel-card{
  border-radius:var(--radius-m);overflow:hidden;background:var(--glass);
  border:1px solid var(--line);transition:.26s ease;display:flex;flex-direction:column;
}
.rel-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--glow-cyan)}
.rel-card img{width:100%;height:158px;object-fit:cover}
.rel-card .rel-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:9px;flex:1}
.rel-card .rel-tag{font-size:12px;font-weight:700;color:var(--cyan);text-transform:uppercase;letter-spacing:.06em}
.rel-card h4{margin:0;font-size:16px;font-weight:800;line-height:1.4;color:#fff}
.rel-card p{margin:0;font-size:13.5px;color:var(--txt-mute);line-height:1.6;flex:1}
.notfound{
  padding:80px 0;text-align:center;
}
.notfound h2{font-size:26px;font-weight:900;margin:0 0 14px}
.notfound p{color:var(--txt-soft);margin:0 0 26px}
footer.site-foot{
  background:linear-gradient(180deg,#040a16,#02060f);
  border-top:1px solid var(--line);padding:62px 0 26px;margin-top:20px;
}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px;padding-bottom:36px;border-bottom:1px solid var(--line)}
.foot-grid h5{font-size:14px;font-weight:800;color:#fff;margin:0 0 16px;letter-spacing:.02em}
.foot-grid ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.foot-grid ul a{font-size:14px;color:var(--txt-mute);transition:.2s}
.foot-grid ul a:hover{color:var(--cyan)}
.site-foot .note{font-size:13.5px;color:var(--txt-mute);line-height:1.65;max-width:420px;margin:0}
.foot-bar{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;
  padding-top:22px;font-size:13px;color:var(--txt-mute);
}
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  width:56px;height:56px;border-radius:50%;
  display:grid;place-items:center;font-size:20px;color:#03101f;
  background:linear-gradient(135deg,var(--blue),var(--cyan));
  box-shadow:var(--glow-cyan);opacity:.85;transition:.25s ease;
  border:1px solid var(--line-strong);
}
.fab:hover{opacity:1;transform:scale(1.1)}
.fab:active{transform:scale(.95) translateY(2px)}
.fab .dot{
  position:absolute;top:6px;right:6px;width:12px;height:12px;border-radius:50%;
  background:#ef4444;border:2px solid #030712;
}
@media (max-width:1024px){
  .art-layout{grid-template-columns:1fr}
  .sidebar{position:static}
  .hero-grid{grid-template-columns:1fr;gap:30px}
}
@media (max-width:900px){
  .nav-links{display:none}
  .nav-cta{display:none}
  .nav-toggle{display:block}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  .section{padding:52px 0}
  .art-head{padding:40px 0 34px}
  .foot-grid{grid-template-columns:1fr}
  .btn{width:100%}
  .hero-data{gap:18px}
  .brand span{font-size:13px;max-width:170px}
}

/* roulang page: category1 */
:root{
  --bg-0:#030712;
  --bg-1:#081229;
  --bg-2:#0d1c3a;
  --glass:rgba(15,32,64,.55);
  --glass-strong:rgba(13,28,58,.85);
  --line:rgba(56,189,248,.18);
  --line-strong:rgba(56,189,248,.42);
  --txt:#f8fafc;
  --txt-soft:#c7d5ea;
  --txt-mute:#94a3b8;
  --blue:#2563eb;
  --blue-2:#3b82f6;
  --cyan:#38bdf8;
  --holo:#60a5fa;
  --green:#34d399;
  --amber:#fbbf24;
  --radius-s:10px;
  --radius-m:16px;
  --radius-l:24px;
  --shadow:0 18px 48px rgba(3,7,18,.55);
  --glow-blue:0 0 22px rgba(37,99,235,.45);
  --glow-cyan:0 0 20px rgba(56,189,248,.4);
}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:
    radial-gradient(1100px 620px at 12% -8%,rgba(37,99,235,.22),transparent 60%),
    radial-gradient(900px 520px at 92% 4%,rgba(56,189,248,.16),transparent 62%),
    linear-gradient(180deg,var(--bg-0),var(--bg-1) 45%,#040a16 100%);
  color:var(--txt);
  font-family:"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
  line-height:1.62;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}
.section{padding:74px 0;position:relative}
.section--tight{padding:52px 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--cyan);font-weight:700;
  background:rgba(56,189,248,.08);
  border:1px solid var(--line);
  padding:7px 14px;border-radius:999px;
}
.lead{color:var(--txt-soft);max-width:820px;font-size:16px}
.muted{color:var(--txt-mute)}
.grid{display:grid;gap:20px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 26px;border-radius:999px;font-weight:700;font-size:15px;
  border:1px solid transparent;cursor:pointer;transition:.25s ease;
}
.btn-primary{
  background:linear-gradient(135deg,var(--blue),var(--cyan));
  color:#03101f;box-shadow:var(--glow-blue);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 30px rgba(56,189,248,.6)}
.btn-ghost{
  background:rgba(56,189,248,.06);color:var(--txt);border-color:var(--line-strong);
}
.btn-ghost:hover{background:rgba(56,189,248,.14);border-color:var(--cyan);transform:translateY(-2px)}
.btn:focus-visible,a:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}
header.site-head{
  position:sticky;top:0;z-index:60;
  background:rgba(3,7,18,.78);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;gap:22px;min-height:74px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:15px;line-height:1.25}
.brand-mark{
  width:42px;height:42px;flex:0 0 42px;border-radius:13px;
  background:linear-gradient(135deg,var(--blue),var(--cyan));
  display:grid;place-items:center;color:#03101f;font-weight:900;font-size:16px;
  box-shadow:var(--glow-blue);
}
.brand span{max-width:230px}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-links a{
  padding:10px 14px;border-radius:10px;font-size:14px;font-weight:600;color:var(--txt-soft);
  transition:.2s;
}
.nav-links a:hover{color:#fff;background:rgba(56,189,248,.1)}
.nav-links a.active{color:#fff;background:rgba(37,99,235,.28);border:1px solid var(--line-strong)}
.nav-cta{display:flex;align-items:center;gap:10px;margin-left:12px}
.nav-cta .signin{
  padding:10px 16px;border-radius:999px;border:1px solid var(--line-strong);
  color:var(--cyan);font-weight:700;font-size:14px;background:transparent;transition:.2s;
}
.nav-cta .signin:hover{background:rgba(56,189,248,.12);color:#fff}
.nav-cta .signup{
  padding:11px 20px;border-radius:999px;font-weight:800;font-size:14px;
  background:linear-gradient(135deg,var(--blue),var(--cyan));color:#03101f;
  box-shadow:var(--glow-blue);transition:.2s;
}
.nav-cta .signup:hover{transform:translateY(-2px);box-shadow:0 0 26px rgba(56,189,248,.65)}
.mobile-menu{display:none;border-top:1px solid var(--line);padding:12px 0 18px}
.mobile-menu a{
  display:block;padding:12px 14px;border-radius:12px;font-weight:600;color:var(--txt-soft);
}
.mobile-menu a:hover{background:rgba(56,189,248,.1);color:#fff}
.mobile-menu.open{display:block}
.card{
  padding:26px;border-radius:var(--radius-m);
  background:var(--glass);border:1px solid var(--line);
  backdrop-filter:blur(12px);transition:.28s ease;
}
.card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--glow-cyan)}
.card .ico{
  width:48px;height:48px;border-radius:14px;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(37,99,235,.35),rgba(56,189,248,.25));
  border:1px solid var(--line-strong);color:var(--cyan);font-size:19px;margin-bottom:16px;
}
.card h3{margin:0 0 10px;font-size:18px;font-weight:800}
.card p{margin:0;color:var(--txt-soft);font-size:14.5px}
h2.sec-title{font-size:clamp(23px,3.2vw,34px);font-weight:900;margin:14px 0 14px;line-height:1.22;letter-spacing:-.01em}
.sec-head{max-width:760px}
.panel{
  background:var(--glass-strong);border:1px solid var(--line);
  border-radius:var(--radius-l);padding:30px;backdrop-filter:blur(14px);
}
.tag{
  font-size:12.5px;padding:6px 12px;border-radius:999px;font-weight:700;
  background:rgba(56,189,248,.1);border:1px solid var(--line);color:var(--holo);display:inline-block;
}
.tag-green{background:rgba(52,211,153,.12);border-color:rgba(52,211,153,.4);color:var(--green)}
.tag-amber{background:rgba(251,191,36,.12);border-color:rgba(251,191,36,.4);color:var(--amber)}
.list-check{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.list-check li{position:relative;padding-left:30px;color:var(--txt-soft);font-size:14.5px}
.list-check li::before{
  content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;left:0;top:2px;color:var(--green);font-size:13px;
}
.cat-page-hero{
  position:relative;overflow:hidden;border-bottom:1px solid var(--line);
  background-image:linear-gradient(110deg,rgba(3,7,18,.94),rgba(8,18,41,.88)),url('/assets/images/bad6ada80d211ac8.jpg');
  background-size:cover;background-position:center;
}
.cat-hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;padding:70px 0 64px}
.cat-hero-grid h1{font-size:clamp(27px,4.4vw,46px);line-height:1.17;font-weight:900;margin:18px 0 16px;letter-spacing:-.015em}
.cat-hero-grid h1 em{
  font-style:normal;
  background:linear-gradient(120deg,var(--cyan),#a5f3fc 60%,var(--blue-2));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.cat-hero-grid p.hero-lead{color:var(--txt-soft);font-size:16.5px;max-width:600px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.metric-board{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.metric{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--radius-m);
  padding:20px;backdrop-filter:blur(12px);
}
.metric b{display:block;font-size:26px;font-weight:900;color:#fff;line-height:1.15}
.metric small{color:var(--txt-mute);font-size:12.5px;display:block;margin-top:4px}
.link-row{
  display:grid;grid-template-columns:56px 1fr auto;gap:18px;align-items:center;
  padding:20px 24px;border-radius:var(--radius-m);
  background:var(--glass);border:1px solid var(--line);transition:.25s ease;
}
.link-row:hover{border-color:var(--line-strong);box-shadow:var(--glow-cyan);transform:translateY(-3px)}
.link-row .rank{
  width:52px;height:52px;border-radius:14px;display:grid;place-items:center;
  font-weight:900;font-size:18px;color:#03101f;
  background:linear-gradient(135deg,var(--cyan),var(--blue-2));
}
.link-row h3{margin:0 0 5px;font-size:16.5px;font-weight:800}
.link-row p{margin:0;font-size:13.5px;color:var(--txt-mute)}
.link-row .status{font-size:12.5px;font-weight:800;white-space:nowrap}
.status.on{color:var(--green)}
.step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:step}
.step{
  position:relative;padding:26px 22px 22px;border-radius:var(--radius-m);
  background:var(--glass);border:1px solid var(--line);
}
.step::before{
  counter-increment:step;content:"0" counter(step);
  font-size:34px;font-weight:900;line-height:1;
  background:linear-gradient(135deg,var(--cyan),var(--blue));
  -webkit-background-clip:text;background-clip:text;color:transparent;
  display:block;margin-bottom:14px;
}
.step h3{margin:0 0 8px;font-size:16.5px;font-weight:800}
.step p{margin:0;font-size:14px;color:var(--txt-soft)}
.scene{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.faq-item{
  border:1px solid var(--line);border-radius:var(--radius-m);
  background:var(--glass);overflow:hidden;margin-bottom:14px;
}
.faq-item summary{
  cursor:pointer;padding:20px 24px;font-weight:700;font-size:16px;list-style:none;
  display:flex;justify-content:space-between;align-items:center;gap:14px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"\2b";font-size:20px;color:var(--cyan);font-weight:700;transition:.25s;
}
.faq-item[open] summary::after{content:"\2212"}
.faq-item p{margin:0;padding:0 24px 22px;color:var(--txt-soft);font-size:14.5px}
.cta-band{
  border-radius:var(--radius-l);padding:44px 38px;
  background:
    radial-gradient(700px 320px at 12% 10%,rgba(56,189,248,.22),transparent 65%),
    linear-gradient(135deg,rgba(37,99,235,.28),rgba(13,28,58,.9));
  border:1px solid var(--line-strong);
  display:grid;grid-template-columns:1.3fr .7fr;gap:30px;align-items:center;
}
.cta-band h2{margin:0 0 12px;font-size:clamp(21px,2.6vw,30px);font-weight:900;line-height:1.24}
.cta-band p{margin:0;color:var(--txt-soft)}
.channel-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.channel{
  padding:20px;border-radius:var(--radius-m);background:var(--glass);
  border:1px solid var(--line);text-align:left;transition:.25s ease;
}
.channel:hover{border-color:var(--line-strong);box-shadow:var(--glow-cyan)}
.channel b{display:block;font-size:15.5px;font-weight:800;margin-bottom:5px}
.channel small{color:var(--txt-mute);font-size:13px}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.news-card{
  border-radius:var(--radius-m);overflow:hidden;background:var(--glass);
  border:1px solid var(--line);transition:.28s ease;display:flex;flex-direction:column;
}
.news-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--glow-cyan)}
.news-card img{width:100%;height:180px;object-fit:cover}
.news-card .body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-card h3{margin:0;font-size:16.5px;font-weight:800;line-height:1.4}
.news-card p{margin:0;font-size:14px;color:var(--txt-soft)}
.news-card .meta{font-size:12.5px;color:var(--txt-mute);display:flex;gap:12px;flex-wrap:wrap}
.empty-note{
  padding:30px;border:1px dashed var(--line-strong);border-radius:var(--radius-m);
  color:var(--txt-mute);text-align:center;
}
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  width:56px;height:56px;border-radius:50%;
  display:grid;place-items:center;font-size:21px;color:#03101f;
  background:linear-gradient(135deg,var(--cyan),var(--blue-2));
  box-shadow:0 0 22px rgba(56,189,248,.5);
  border:1px solid rgba(165,243,252,.7);
  opacity:.82;transition:.25s ease;animation:fabFloat 3.4s ease-in-out infinite;
}
.fab:hover{opacity:1;transform:scale(1.1) rotate(6deg)}
.fab:active{transform:scale(.94) translateY(2px)}
@keyframes fabFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}
footer.site-foot{
  margin-top:20px;border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(3,7,18,.6),rgba(3,7,18,.95));
}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:28px;padding:54px 0 32px}
.site-foot h5{margin:0 0 14px;font-size:14px;font-weight:800;letter-spacing:.04em;color:#fff;text-transform:uppercase}
.site-foot ul{list-style:none;margin:0;padding:0;display:grid;gap:9px}
.site-foot ul a{color:var(--txt-soft);font-size:14px;transition:.2s}
.site-foot ul a:hover{color:var(--cyan)}
.site-foot .note{color:var(--txt-mute);font-size:14px;max-width:360px}
.foot-bar{
  border-top:1px solid var(--line);padding:20px 0 30px;
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:var(--txt-mute);
}
@media (max-width:1024px){
  .hero-grid,.cat-hero-grid{grid-template-columns:1fr;gap:30px;padding:56px 0 50px}
  .step-grid{grid-template-columns:repeat(2,1fr)}
  .scene,.news-grid{grid-template-columns:repeat(2,1fr)}
  .channel-grid{grid-template-columns:repeat(2,1fr)}
  .cta-band{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .nav-links,.nav-cta{display:none}
  .mobile-menu{display:none}
  .brand span{max-width:180px;font-size:13.5px}
  .section{padding:52px 0}
  .link-row{grid-template-columns:44px 1fr;gap:14px}
  .link-row .status{grid-column:2;margin-top:6px}
  .foot-grid{grid-template-columns:1fr;gap:22px}
}
@media (max-width:520px){
  .scene,.news-grid,.channel-grid,.step-grid,.metric-board{grid-template-columns:1fr}
  .btn{width:100%}
  .hero-actions{flex-direction:column}
  .cat-hero-grid h1{font-size:26px}
}

/* roulang page: category2 */
:root{
  --bg-0:#030712;--bg-1:#081229;--bg-2:#0d1c3a;
  --glass:rgba(15,32,64,.55);--glass-strong:rgba(13,28,58,.85);
  --line:rgba(56,189,248,.18);--line-strong:rgba(56,189,248,.42);
  --txt:#f8fafc;--txt-soft:#c7d5ea;--txt-mute:#94a3b8;
  --blue:#2563eb;--blue-2:#3b82f6;--cyan:#38bdf8;--holo:#60a5fa;
  --green:#34d399;--amber:#fbbf24;
  --radius-s:10px;--radius-m:16px;--radius-l:24px;
  --shadow:0 18px 48px rgba(3,7,18,.55);
  --glow-blue:0 0 22px rgba(37,99,235,.45);
  --glow-cyan:0 0 20px rgba(56,189,248,.4);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:
    radial-gradient(1100px 620px at 12% -8%,rgba(37,99,235,.22),transparent 60%),
    radial-gradient(900px 520px at 92% 4%,rgba(56,189,248,.16),transparent 62%),
    linear-gradient(180deg,var(--bg-0),var(--bg-1) 45%,#040a16 100%);
  color:var(--txt);
  font-family:"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
  line-height:1.62;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}
.section{padding:74px 0;position:relative}
.section--tight{padding:52px 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--cyan);font-weight:700;background:rgba(56,189,248,.08);
  border:1px solid var(--line);padding:7px 14px;border-radius:999px;
}
.lead{color:var(--txt-soft);max-width:820px;font-size:16px}
.muted{color:var(--txt-mute)}
.grid{display:grid;gap:20px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 26px;border-radius:999px;font-weight:700;font-size:15px;
  border:1px solid transparent;cursor:pointer;transition:.25s ease;
}
.btn-primary{background:linear-gradient(135deg,var(--blue),var(--cyan));color:#03101f;box-shadow:var(--glow-blue)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 30px rgba(56,189,248,.6)}
.btn-ghost{background:rgba(56,189,248,.06);color:var(--txt);border-color:var(--line-strong)}
.btn-ghost:hover{background:rgba(56,189,248,.14);border-color:var(--cyan);transform:translateY(-2px)}
.btn:focus-visible,a:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}
header.site-head{
  position:sticky;top:0;z-index:60;background:rgba(3,7,18,.78);
  backdrop-filter:blur(16px);border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;gap:22px;min-height:74px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:15px;line-height:1.25}
.brand-mark{
  width:42px;height:42px;flex:0 0 42px;border-radius:13px;
  background:linear-gradient(135deg,var(--blue),var(--cyan));
  display:grid;place-items:center;color:#03101f;font-weight:900;font-size:16px;
  box-shadow:var(--glow-blue);
}
.brand span{max-width:230px}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-links a{padding:10px 14px;border-radius:10px;font-size:14px;font-weight:600;color:var(--txt-soft);transition:.2s}
.nav-links a:hover{color:#fff;background:rgba(56,189,248,.1)}
.nav-links a.active{color:#fff;background:rgba(37,99,235,.28);border:1px solid var(--line-strong)}
.nav-cta{display:flex;align-items:center;gap:10px;margin-left:12px}
.nav-cta .signin{padding:10px 16px;border-radius:999px;border:1px solid var(--line-strong);color:var(--cyan);font-weight:700;font-size:14px;background:transparent;transition:.2s}
.nav-cta .signin:hover{background:rgba(56,189,248,.12);color:#fff}
.nav-cta .signup{padding:11px 20px;border-radius:999px;font-weight:800;font-size:14px;background:linear-gradient(135deg,var(--blue),var(--cyan));color:#03101f;box-shadow:var(--glow-blue);transition:.2s}
.nav-cta .signup:hover{transform:translateY(-2px);box-shadow:0 0 26px rgba(56,189,248,.65)}
.nav-toggle{display:none;background:transparent;border:1px solid var(--line);border-radius:12px;color:var(--txt);padding:9px 13px;margin-left:auto}
.mobile-menu{display:none;border-top:1px solid var(--line);padding:12px 0 18px}
.mobile-menu a{display:block;padding:12px 14px;border-radius:12px;font-weight:600;color:var(--txt-soft)}
.mobile-menu a:hover{background:rgba(56,189,248,.1);color:#fff}
.mobile-menu.open{display:block}
.cat-hero{
  position:relative;overflow:hidden;border-bottom:1px solid var(--line);
  background-image:linear-gradient(115deg,rgba(3,7,18,.95),rgba(8,18,41,.85)),url('/assets/images/bad6ada80d211ac8.jpg');
  background-size:cover;background-position:center;
}
.cat-hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:40px;align-items:center;padding:72px 0 60px}
.cat-hero h1{font-size:clamp(27px,4.4vw,46px);line-height:1.18;font-weight:900;margin:18px 0 16px;letter-spacing:-.015em}
.cat-hero h1 em{font-style:normal;background:linear-gradient(120deg,var(--cyan),#a5f3fc 60%,var(--blue-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.cat-hero p{color:var(--txt-soft);font-size:16.5px;max-width:640px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-data{display:flex;flex-wrap:wrap;gap:26px;margin-top:32px;padding-top:24px;border-top:1px solid var(--line)}
.hero-data b{display:block;font-size:24px;font-weight:900;color:#fff}
.hero-data small{color:var(--txt-mute);font-size:13px}
.card{padding:26px;border-radius:var(--radius-m);background:var(--glass);border:1px solid var(--line);backdrop-filter:blur(12px);transition:.28s ease}
.card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--glow-cyan)}
.card .ico{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,rgba(37,99,235,.35),rgba(56,189,248,.25));border:1px solid var(--line-strong);color:var(--cyan);font-size:19px;margin-bottom:16px}
.card h3{margin:0 0 10px;font-size:18.5px;font-weight:800;color:#fff}
.card p{margin:0;color:var(--txt-soft);font-size:14.7px}
.cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.cols-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.section-head{max-width:760px;margin-bottom:38px}
.section-head h2{font-size:clamp(22px,3vw,32px);font-weight:900;margin:14px 0 12px;line-height:1.25;color:#fff}
.section-head p{color:var(--txt-soft);font-size:15.5px;margin:0}
.tag{display:inline-flex;align-items:center;gap:7px;font-size:12.5px;font-weight:700;padding:6px 12px;border-radius:999px;background:rgba(56,189,248,.1);border:1px solid var(--line);color:var(--holo)}
.plan{padding:28px;border-radius:var(--radius-l);background:var(--glass-strong);border:1px solid var(--line);transition:.28s ease}
.plan:hover{border-color:var(--line-strong);box-shadow:var(--glow-cyan);transform:translateY(-4px)}
.plan .plan-tag{font-size:12px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--cyan)}
.plan h3{margin:12px 0 6px;font-size:20px;font-weight:900;color:#fff}
.plan .price{font-size:26px;font-weight:900;color:#fff;margin:14px 0}
.plan .price small{font-size:13px;color:var(--txt-mute);font-weight:600}
.plan ul{list-style:none;padding:0;margin:16px 0 0}
.plan ul li{padding:9px 0;color:var(--txt-soft);font-size:14.5px;border-bottom:1px dashed rgba(56,189,248,.14);display:flex;gap:10px;align-items:flex-start}
.plan ul li i{color:var(--green);margin-top:4px}
.scene-list{list-style:none;padding:0;margin:0}
.scene-list li{display:flex;gap:14px;padding:16px 0;border-bottom:1px solid rgba(56,189,248,.12)}
.scene-list li i{color:var(--cyan);font-size:17px;margin-top:3px}
.scene-list li b{display:block;color:#fff;font-size:15.5px;margin-bottom:3px}
.scene-list li span{color:var(--txt-soft);font-size:14.5px}
.step{display:grid;grid-template-columns:56px 1fr;gap:18px;padding:22px;border-radius:var(--radius-m);background:var(--glass);border:1px solid var(--line);transition:.28s ease}
.step:hover{border-color:var(--line-strong);transform:translateY(-3px)}
.step .num{width:56px;height:56px;border-radius:16px;display:grid;place-items:center;font-weight:900;font-size:19px;color:#03101f;background:linear-gradient(135deg,var(--cyan),var(--blue-2));box-shadow:var(--glow-cyan)}
.step h3{margin:2px 0 8px;font-size:17px;font-weight:800;color:#fff}
.step p{margin:0;color:var(--txt-soft);font-size:14.6px}
.review{padding:24px;border-radius:var(--radius-m);background:var(--glass);border:1px solid var(--line)}
.review .stars{color:var(--amber);font-size:14px;margin-bottom:12px}
.review p{color:var(--txt-soft);font-size:14.7px;margin:0 0 16px}
.review .who{display:flex;align-items:center;gap:12px}
.review .who span{display:grid;place-items:center;width:42px;height:42px;border-radius:50%;background:linear-gradient(135deg,var(--blue),var(--cyan));color:#03101f;font-weight:900}
.review .who b{display:block;font-size:14.5px;color:#fff}
.review .who small{color:var(--txt-mute);font-size:12.5px}
.news-item{display:grid;grid-template-columns:180px 1fr;gap:22px;padding:20px;border-radius:var(--radius-m);background:var(--glass);border:1px solid var(--line);transition:.28s ease}
.news-item:hover{border-color:var(--line-strong);transform:translateY(-3px);box-shadow:var(--glow-cyan)}
.news-item img{width:100%;height:120px;object-fit:cover;border-radius:12px}
.news-item h3{margin:0 0 8px;font-size:17px;font-weight:800;color:#fff;line-height:1.35}
.news-item p{margin:0 0 10px;color:var(--txt-soft);font-size:14.4px}
.news-item .meta{display:flex;gap:14px;font-size:12.5px;color:var(--txt-mute);flex-wrap:wrap}
.news-item .meta span{display:inline-flex;align-items:center;gap:6px}
.faq-item{border:1px solid var(--line);border-radius:var(--radius-m);background:var(--glass);margin-bottom:14px;overflow:hidden;transition:.25s ease}
.faq-item:hover{border-color:var(--line-strong)}
.faq-item summary{cursor:pointer;list-style:none;padding:18px 22px;font-weight:800;font-size:15.6px;color:#fff;display:flex;justify-content:space-between;gap:14px;align-items:center}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary i{color:var(--cyan);transition:.25s}
.faq-item[open] summary i{transform:rotate(45deg)}
.faq-item p{margin:0;padding:0 22px 20px;color:var(--txt-soft);font-size:14.7px}
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-l);
  padding:48px 40px;background-image:linear-gradient(120deg,rgba(3,7,18,.93),rgba(9,26,58,.82)),url('/assets/images/9f36d7b9a251f484.jpg');
  background-size:cover;background-position:center;border:1px solid var(--line-strong);text-align:center;
}
.cta-band h2{font-size:clamp(22px,3vw,32px);font-weight:900;margin:0 0 12px;color:#fff}
.cta-band p{color:var(--txt-soft);max-width:640px;margin:0 auto 24px}
.cta-band .hero-actions{justify-content:center}
.foot{
  border-top:1px solid var(--line);background:rgba(3,7,18,.86);margin-top:20px;
}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:34px;padding:56px 0 34px}
.foot h5{margin:0 0 16px;font-size:14px;letter-spacing:.1em;text-transform:uppercase;color:var(--cyan)}
.foot ul{list-style:none;padding:0;margin:0}
.foot ul li{padding:7px 0}
.foot ul li a{color:var(--txt-soft);font-size:14.4px;transition:.2s}
.foot ul li a:hover{color:#fff}
.foot .note{color:var(--txt-mute);font-size:14px;max-width:340px}
.foot-bar{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:22px 0;border-top:1px solid var(--line);font-size:13px;color:var(--txt-mute)}
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;width:56px;height:56px;border-radius:999px;
  display:grid;place-items:center;font-size:20px;color:#03101f;
  background:linear-gradient(135deg,var(--cyan),var(--blue-2));
  box-shadow:0 0 22px rgba(56,189,248,.55);
  transition:.25s ease;opacity:.85;
}
.fab:hover{opacity:1;transform:scale(1.1) rotate(360deg)}
.fab:active{transform:scale(.95)}
.fab .dot{position:absolute;top:-3px;right:-3px;width:14px;height:14px;border-radius:50%;background:#dc2626;border:2px solid #fff}
@media (max-width:1024px){
  .cat-hero-grid{grid-template-columns:1fr;gap:32px;padding:56px 0 48px}
  .cols-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cols-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:820px){
  .nav-links{display:none}
  .nav-cta{display:none}
  .nav-toggle{display:inline-flex}
  .cols-2{grid-template-columns:1fr}
  .section{padding:56px 0}
  .news-item{grid-template-columns:1fr}
  .news-item img{height:180px}
}
@media (max-width:520px){
  .cols-4,.cols-3{grid-template-columns:1fr}
  .cat-hero h1{font-size:26px}
  .cat-hero-grid{padding:44px 0 40px}
  .cta-band{padding:34px 22px}
  .foot-grid{grid-template-columns:1fr}
  .brand span{max-width:160px;font-size:13.5px}
  .hero-data{gap:18px}
}

/* roulang page: category3 */
:root{
  --bg-0:#030712;
  --bg-1:#081229;
  --bg-2:#0d1c3a;
  --glass:rgba(15,32,64,.55);
  --glass-strong:rgba(13,28,58,.85);
  --line:rgba(56,189,248,.18);
  --line-strong:rgba(56,189,248,.42);
  --txt:#f8fafc;
  --txt-soft:#c7d5ea;
  --txt-mute:#94a3b8;
  --blue:#2563eb;
  --blue-2:#3b82f6;
  --cyan:#38bdf8;
  --holo:#60a5fa;
  --green:#34d399;
  --amber:#fbbf24;
  --radius-s:10px;
  --radius-m:16px;
  --radius-l:24px;
  --shadow:0 18px 48px rgba(3,7,18,.55);
  --glow-blue:0 0 22px rgba(37,99,235,.45);
  --glow-cyan:0 0 20px rgba(56,189,248,.4);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:
    radial-gradient(1100px 620px at 12% -8%,rgba(37,99,235,.22),transparent 60%),
    radial-gradient(900px 520px at 92% 4%,rgba(56,189,248,.16),transparent 62%),
    linear-gradient(180deg,var(--bg-0),var(--bg-1) 45%,#040a16 100%);
  color:var(--txt);
  font-family:"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
  line-height:1.62;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
.container{width:100%;max-width:1180px;margin:0 auto;padding:0 20px}
.section{padding:74px 0;position:relative}
.section--tight{padding:52px 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--cyan);font-weight:700;
  background:rgba(56,189,248,.08);
  border:1px solid var(--line);
  padding:7px 14px;border-radius:999px;
}
.lead{color:var(--txt-soft);max-width:820px;font-size:16px}
.muted{color:var(--txt-mute)}
.grid{display:grid;gap:20px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 26px;border-radius:999px;font-weight:700;font-size:15px;
  border:1px solid transparent;cursor:pointer;transition:.25s ease;
}
.btn-primary{
  background:linear-gradient(135deg,var(--blue),var(--cyan));
  color:#03101f;box-shadow:var(--glow-blue);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 30px rgba(56,189,248,.6)}
.btn-ghost{
  background:rgba(56,189,248,.06);color:var(--txt);border-color:var(--line-strong);
}
.btn-ghost:hover{background:rgba(56,189,248,.14);border-color:var(--cyan);transform:translateY(-2px)}
.btn:focus-visible,a:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}
header.site-head{
  position:sticky;top:0;z-index:60;
  background:rgba(3,7,18,.78);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;gap:22px;min-height:74px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:15px;line-height:1.25}
.brand-mark{
  width:42px;height:42px;flex:0 0 42px;border-radius:13px;
  background:linear-gradient(135deg,var(--blue),var(--cyan));
  display:grid;place-items:center;color:#03101f;font-weight:900;font-size:16px;
  box-shadow:var(--glow-blue);
}
.brand span{max-width:230px}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-links a{
  padding:10px 14px;border-radius:10px;font-size:14px;font-weight:600;color:var(--txt-soft);
  transition:.2s;
}
.nav-links a:hover{color:#fff;background:rgba(56,189,248,.1)}
.nav-links a.active{color:#fff;background:rgba(37,99,235,.28);border:1px solid var(--line-strong)}
.nav-cta{display:flex;align-items:center;gap:10px;margin-left:12px}
.nav-cta .signin{
  padding:10px 16px;border-radius:999px;border:1px solid var(--line-strong);
  color:var(--cyan);font-weight:700;font-size:14px;background:transparent;transition:.2s;
}
.nav-cta .signin:hover{background:rgba(56,189,248,.12);color:#fff}
.nav-cta .signup{
  padding:11px 20px;border-radius:999px;font-weight:800;font-size:14px;
  background:linear-gradient(135deg,var(--blue),var(--cyan));color:#03101f;
  box-shadow:var(--glow-blue);transition:.2s;
}
.nav-cta .signup:hover{transform:translateY(-2px);box-shadow:0 0 26px rgba(56,189,248,.65)}
.nav-toggle{
  display:none;margin-left:auto;width:46px;height:46px;border-radius:12px;
  border:1px solid var(--line-strong);background:rgba(56,189,248,.08);color:var(--cyan);
  font-size:17px;cursor:pointer;
}
.mobile-menu{display:none;border-top:1px solid var(--line);padding:12px 0 18px}
.mobile-menu a{
  display:block;padding:12px 14px;border-radius:12px;font-weight:600;color:var(--txt-soft);
}
.mobile-menu a:hover{background:rgba(56,189,248,.1);color:#fff}
.mobile-menu a.active{color:#fff;background:rgba(37,99,235,.24)}
.mobile-menu.open{display:block}

/* HERO category */
.cat-hero{
  position:relative;overflow:hidden;border-bottom:1px solid var(--line);
  background-image:linear-gradient(115deg,rgba(3,7,18,.95),rgba(8,18,41,.82)),url('/assets/images/bad6ada80d211ac8.jpg');
  background-size:cover;background-position:center;
}
.cat-hero-grid{
  display:grid;grid-template-columns:1.12fr .88fr;gap:40px;align-items:center;
  padding:70px 0 62px;
}
.cat-hero h1{
  font-size:clamp(27px,4.4vw,46px);line-height:1.17;font-weight:900;
  margin:16px 0 16px;letter-spacing:-.015em;
}
.cat-hero h1 em{
  font-style:normal;
  background:linear-gradient(120deg,var(--cyan),#a5f3fc 60%,var(--blue-2));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.cat-hero p{color:var(--txt-soft);font-size:16.5px;max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.hero-stats{display:flex;flex-wrap:wrap;gap:26px;margin-top:30px;padding-top:22px;border-top:1px solid var(--line)}
.hero-stats b{display:block;font-size:23px;font-weight:900;color:#fff}
.hero-stats small{color:var(--txt-mute);font-size:13px}
.glass-panel{
  padding:26px;border-radius:var(--radius-l);
  background:var(--glass);border:1px solid var(--line);
  backdrop-filter:blur(14px);box-shadow:var(--shadow);
}
.glass-panel h3{margin:0 0 6px;font-size:18px;font-weight:800}
.step-list{list-style:none;margin:18px 0 0;padding:0;display:grid;gap:14px}
.step-list li{display:flex;gap:13px;align-items:flex-start}
.step-num{
  flex:0 0 34px;width:34px;height:34px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(37,99,235,.4),rgba(56,189,248,.28));
  border:1px solid var(--line-strong);color:var(--cyan);font-weight:800;font-size:14px;
}
.step-list b{display:block;font-size:14.5px;color:#fff}
.step-list span{font-size:13.5px;color:var(--txt-mute)}

/* card system */
.card{
  padding:26px;border-radius:var(--radius-m);
  background:var(--glass);border:1px solid var(--line);
  backdrop-filter:blur(12px);transition:.28s ease;
}
.card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--glow-cyan)}
.card .ico{
  width:48px;height:48px;border-radius:14px;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(37,99,235,.35),rgba(56,189,248,.25));
  border:1px solid var(--line-strong);color:var(--cyan);font-size:19px;margin-bottom:16px;
}
.card h3{margin:0 0 9px;font-size:17.5px;font-weight:800}
.card p{margin:0;color:var(--txt-soft);font-size:14.5px}
.cols-3{grid-template-columns:repeat(3,1fr)}
.cols-2{grid-template-columns:repeat(2,1fr)}
.cols-4{grid-template-columns:repeat(4,1fr)}
.section-head{max-width:760px;margin-bottom:38px}
.section-head h2{font-size:clamp(23px,3.1vw,34px);font-weight:900;margin:14px 0 12px;letter-spacing:-.01em}
.section-head p{color:var(--txt-soft);margin:0}

/* solution cards */
.solve-card{
  display:flex;gap:18px;align-items:flex-start;
  padding:24px;border-radius:var(--radius-m);
  background:linear-gradient(135deg,rgba(15,32,64,.7),rgba(8,18,41,.5));
  border:1px solid var(--line);transition:.28s ease;
}
.solve-card:hover{border-color:var(--line-strong);box-shadow:var(--glow-cyan);transform:translateY(-3px)}
.solve-card .badge{
  flex:0 0 46px;width:46px;height:46px;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(52,211,153,.25),rgba(56,189,248,.25));
  border:1px solid var(--line-strong);color:var(--green);font-size:18px;
}
.solve-card h3{margin:0 0 6px;font-size:16.5px;font-weight:800}
.solve-card p{margin:0;color:var(--txt-soft);font-size:14.5px}

/* scenario strip */
.scenario{
  display:grid;grid-template-columns:1fr 1fr;gap:0;
  border:1px solid var(--line);border-radius:var(--radius-l);overflow:hidden;
  background:var(--glass-strong);
}
.scenario-img{position:relative;min-height:340px}
.scenario-img img{width:100%;height:100%;object-fit:cover;opacity:.82}
.scenario-body{padding:38px 34px}
.scenario-body h2{font-size:clamp(21px,2.6vw,29px);font-weight:900;margin:12px 0 14px}
.scenario-body p{color:var(--txt-soft);font-size:15px}
.scenario-list{list-style:none;margin:22px 0 0;padding:0;display:grid;gap:12px}
.scenario-list li{display:flex;gap:11px;align-items:flex-start;font-size:14.5px;color:var(--txt-soft)}
.scenario-list i{color:var(--cyan);margin-top:4px}

/* evidence / proof */
.proof-card{
  padding:24px;border-radius:var(--radius-m);
  background:rgba(8,18,41,.6);border:1px solid var(--line);
}
.proof-card b{display:block;font-size:26px;font-weight:900;color:#fff}
.proof-card span{font-size:13.5px;color:var(--txt-mute)}

/* faq */
.faq-item{
  border:1px solid var(--line);border-radius:var(--radius-m);
  background:var(--glass);margin-bottom:14px;overflow:hidden;transition:.25s;
}
.faq-item:hover{border-color:var(--line-strong)}
.faq-q{
  width:100%;text-align:left;background:transparent;border:0;cursor:pointer;
  padding:20px 22px;color:#fff;font-weight:700;font-size:15.5px;
  display:flex;justify-content:space-between;align-items:center;gap:14px;
}
.faq-q i{color:var(--cyan);transition:.28s}
.faq-item.open .faq-q i{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-item.open .faq-a{max-height:340px}
.faq-a p{margin:0;padding:0 22px 20px;color:var(--txt-soft);font-size:14.5px}

/* cta band */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-l);
  border:1px solid var(--line-strong);padding:46px 40px;
  background-image:linear-gradient(120deg,rgba(3,7,18,.92),rgba(37,99,235,.45)),url('/assets/images/14d571be00bd2a90.jpg');
  background-size:cover;background-position:center;
}
.cta-band h2{font-size:clamp(22px,3vw,32px);font-weight:900;margin:0 0 12px}
.cta-band p{color:var(--txt-soft);max-width:640px;margin:0 0 24px}

/* article list */
.post-grid{grid-template-columns:repeat(3,1fr)}
.post-card{
  border-radius:var(--radius-m);overflow:hidden;border:1px solid var(--line);
  background:var(--glass);transition:.28s ease;display:flex;flex-direction:column;
}
.post-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--glow-cyan)}
.post-thumb{aspect-ratio:16/9;overflow:hidden}
.post-thumb img{width:100%;height:100%;object-fit:cover}
.post-body{padding:20px;display:flex;flex-direction:column;flex:1}
.post-meta{font-size:12.5px;color:var(--txt-mute);margin-bottom:9px;display:flex;gap:10px;flex-wrap:wrap}
.post-body h3{margin:0 0 9px;font-size:16px;font-weight:800;line-height:1.4}
.post-body p{margin:0 0 16px;color:var(--txt-soft);font-size:14px;flex:1}
.post-link{color:var(--cyan);font-weight:700;font-size:14px}
.post-link:hover{color:#fff}

/* footer */
.site-foot{
  border-top:1px solid var(--line);margin-top:20px;
  background:linear-gradient(180deg,rgba(3,7,18,.4),rgba(3,7,18,.95));
  padding:58px 0 26px;
}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px}
.foot-grid h5{margin:0 0 15px;font-size:14px;font-weight:800;color:#fff;text-transform:uppercase;letter-spacing:.06em}
.foot-grid ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.foot-grid ul a{color:var(--txt-mute);font-size:14px;transition:.2s}
.foot-grid ul a:hover{color:var(--cyan)}
.note{color:var(--txt-mute);font-size:14px;max-width:360px}
.foot-bar{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:42px;padding-top:22px;border-top:1px solid var(--line);
  color:var(--txt-mute);font-size:13px;
}
/* FAB */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  width:56px;height:56px;border-radius:999px;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,.85),rgba(7,7,13,.85)),linear-gradient(135deg,var(--blue),var(--cyan));
  background-origin:border-box;background-clip:padding-box,border-box;
  color:var(--cyan);font-size:20px;
  box-shadow:0 0 20px rgba(6,182,212,.45);transition:.25s ease;
}
.fab:hover{transform:scale(1.1);opacity:1;color:#fff}
.fab:active{transform:scale(.95) translateY(2px)}
.fab .dot{
  position:absolute;top:6px;right:6px;width:14px;height:14px;border-radius:999px;
  background:#06b6d4;box-shadow:0 0 10px rgba(6,182,212,.9);
}

@media(max-width:1024px){
  .cat-hero-grid{grid-template-columns:1fr;gap:32px}
  .scenario{grid-template-columns:1fr}
  .scenario-img{min-height:250px}
  .cols-4{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
  .nav-links,.nav-cta{display:none}
  .nav-toggle{display:grid;place-items:center}
  .cols-3,.cols-2,.post-grid{grid-template-columns:1fr}
  .section{padding:56px 0}
  .cat-hero-grid{padding:52px 0 46px}
  .cta-band{padding:34px 24px}
}
@media(max-width:520px){
  .cols-4{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .hero-actions .btn{width:100%}
  .brand span{max-width:170px;font-size:13px}
}