/* roulang page: index */
:root{
  --bg-0:#030712;
  --bg-1:#081229;
  --bg-2:#0d1b3a;
  --glass:rgba(15,32,66,.62);
  --glass-2:rgba(20,42,84,.5);
  --stroke:rgba(56,189,248,.22);
  --stroke-strong:rgba(56,189,248,.5);
  --brand:#2563eb;
  --brand-2:#38bdf8;
  --brand-3:#60a5fa;
  --glow:rgba(37,99,235,.45);
  --glow-2:rgba(56,189,248,.4);
  --text:#f8fafc;
  --text-soft:#cbd5e1;
  --text-mute:#94a3b8;
  --text-dim:#64748b;
  --ok:#22c55e;
  --warn:#fbbf24;
  --radius-s:10px;
  --radius-m:16px;
  --radius-l:24px;
  --shadow-1:0 10px 30px -12px rgba(2,8,20,.9);
  --shadow-2:0 22px 55px -20px rgba(6,20,50,.95);
  --container:1200px;
  --font:"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  color:var(--text);
  background:
    radial-gradient(1100px 620px at 82% -8%, rgba(37,99,235,.28), transparent 60%),
    radial-gradient(900px 520px at 4% 12%, rgba(56,189,248,.16), transparent 62%),
    linear-gradient(180deg,var(--bg-0),var(--bg-1) 42%,var(--bg-0));
  background-attachment:fixed;
  line-height:1.65;
  font-size:16px;
  letter-spacing:.01em;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand-3);text-decoration:none;transition:color .2s ease,opacity .2s ease}
a:hover,a:focus{color:var(--brand-2)}
button,input,select,textarea{font:inherit;color:inherit}
ul{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.25;letter-spacing:-.01em}
p{margin:0}
:focus-visible{outline:3px solid var(--brand-2);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}

/* ---------- HEADER ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  backdrop-filter:blur(16px);
  background:linear-gradient(180deg,rgba(3,7,18,.94),rgba(3,7,18,.76));
  border-bottom:1px solid rgba(56,189,248,.16);
  box-shadow:0 12px 34px -26px rgba(0,0,0,.95);
}
.nav-wrap{display:flex;align-items:center;gap:18px;min-height:70px}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.brand-mark{
  width:42px;height:42px;border-radius:12px;flex:0 0 auto;
  display:grid;place-items:center;
  background:linear-gradient(140deg,#1d4ed8,#38bdf8);
  box-shadow:0 0 22px rgba(56,189,248,.5),inset 0 0 0 1px rgba(255,255,255,.28);
  color:#04122b;font-weight:900;font-size:19px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text b{font-size:15px;font-weight:800;color:var(--text)}
.brand-text span{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--brand-2)}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto;flex-wrap:wrap}
.main-nav a{
  padding:9px 13px;border-radius:10px;font-size:14px;font-weight:600;
  color:var(--text-soft);white-space:nowrap;transition:.2s ease;
}
.main-nav a:hover{color:#fff;background:rgba(56,189,248,.12)}
.main-nav a.is-active{color:#fff;background:rgba(37,99,235,.28);box-shadow:inset 0 0 0 1px var(--stroke-strong)}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.btn-login{
  padding:9px 16px;border-radius:999px;font-size:14px;font-weight:700;
  color:var(--brand-2);background:transparent;border:1px solid rgba(56,189,248,.45);
}
.btn-login:hover{background:rgba(56,189,248,.12);color:#fff}
.btn-signup{
  padding:10px 20px;border-radius:999px;font-size:14px;font-weight:800;
  color:#04122b;background:linear-gradient(135deg,#38bdf8,#2563eb);
  box-shadow:0 0 20px rgba(56,189,248,.45);
  border:none;cursor:pointer;
}
.btn-signup:hover{box-shadow:0 0 30px rgba(56,189,248,.7);transform:translateY(-1px)}
.nav-toggle{
  display:none;background:transparent;border:1px solid var(--stroke);border-radius:10px;
  width:42px;height:42px;color:var(--text);font-size:18px;cursor:pointer;
}
/* ---------- HERO QUIZ ---------- */
.hero{position:relative;padding:56px 0 40px;overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/95729e6739ecbc30.jpg') center/cover no-repeat;
  opacity:.24;filter:saturate(1.05);
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(3,7,18,.96) 0%,rgba(3,7,18,.72) 52%,rgba(3,7,18,.4) 100%);
}
.hero .container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:34px;align-items:start}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 15px;border-radius:999px;font-size:12px;font-weight:800;
  letter-spacing:.12em;text-transform:uppercase;color:#bae6fd;
  background:rgba(37,99,235,.2);border:1px solid var(--stroke-strong);
}
.hero h1{
  margin-top:18px;font-size:clamp(28px,4.2vw,50px);line-height:1.16;
  background:linear-gradient(120deg,#ffffff 8%,#93c5fd 58%,#38bdf8 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{margin-top:18px;max-width:640px;color:var(--text-soft);font-size:16px;line-height:1.7}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.stat{
  flex:1 1 138px;min-width:138px;padding:14px 16px;border-radius:var(--radius-m);
  background:var(--glass);border:1px solid var(--stroke);backdrop-filter:blur(10px);
}
.stat b{display:block;font-size:22px;color:#fff}
.stat span{font-size:12.5px;color:var(--text-mute)}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.btn{
  display:inline-flex;align-items:center;gap:9px;
  padding:14px 26px;border-radius:14px;font-weight:800;font-size:15px;
  cursor:pointer;border:1px solid transparent;transition:.22s ease;
}
.btn-primary{
  color:#04122b;background:linear-gradient(135deg,#38bdf8,#2563eb);
  box-shadow:0 0 26px rgba(56,189,248,.5);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 38px rgba(56,189,248,.75)}
.btn-ghost{color:var(--text);background:rgba(255,255,255,.05);border-color:var(--stroke-strong)}
.btn-ghost:hover{background:rgba(56,189,248,.14);transform:translateY(-2px)}
.hero-note{margin-top:16px;font-size:13px;color:var(--text-dim)}

/* quiz panel */
.quiz{
  position:relative;padding:24px;border-radius:var(--radius-l);
  background:linear-gradient(160deg,rgba(20,42,84,.78),rgba(6,14,32,.9));
  border:1px solid var(--stroke-strong);
  box-shadow:var(--shadow-2),0 0 40px -18px var(--glow);
  backdrop-filter:blur(14px);
}
.quiz-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.quiz-head h2{font-size:18px}
.quiz-head i{color:var(--brand-2)}
.quiz-sub{margin-top:8px;font-size:13.5px;color:var(--text-mute)}
.quiz-q{margin-top:18px}
.quiz-q p{font-weight:700;font-size:14.5px;margin-bottom:10px;color:#e2e8f0}
.quiz-opts{display:flex;flex-wrap:wrap;gap:9px}
.chip{
  padding:9px 14px;border-radius:11px;font-size:13.5px;font-weight:600;
  background:rgba(255,255,255,.04);border:1px solid var(--stroke);
  color:var(--text-soft);cursor:pointer;transition:.2s ease;
}
.chip:hover{border-color:var(--brand-2);color:#fff;background:rgba(56,189,248,.12)}
.chip.is-picked{background:linear-gradient(135deg,rgba(56,189,248,.28),rgba(37,99,235,.4));border-color:var(--brand-2);color:#fff}
.quiz-result{
  margin-top:20px;padding:16px 18px;border-radius:var(--radius-m);
  background:rgba(2,10,26,.72);border:1px dashed rgba(56,189,248,.45);
}
.quiz-result b{color:#7dd3fc;display:block;font-size:13px;letter-spacing:.08em;text-transform:uppercase}
.quiz-result p{margin-top:8px;font-size:14.5px;color:var(--text-soft)}
.quiz-actions{margin-top:16px;display:flex;flex-wrap:wrap;gap:10px}

/* ---------- SECTION BASE ---------- */
.section{padding:62px 0;position:relative}
.section.alt{background:linear-gradient(180deg,rgba(8,18,41,.72),rgba(3,7,18,.2));border-top:1px solid rgba(56,189,248,.1);border-bottom:1px solid rgba(56,189,248,.1)}
.sec-head{max-width:760px;margin-bottom:34px;text-align:left}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-kicker{
  display:inline-block;padding:6px 13px;border-radius:999px;font-size:11.5px;font-weight:800;
  letter-spacing:.14em;text-transform:uppercase;color:#93c5fd;
  background:rgba(37,99,235,.18);border:1px solid var(--stroke);
}
.sec-head h2{margin-top:14px;font-size:clamp(22px,3vw,34px);color:#fff}
.sec-head p{margin-top:12px;color:var(--text-mute);font-size:15px;line-height:1.7}

/* glass card */
.card{
  padding:24px;border-radius:var(--radius-m);
  background:var(--glass);border:1px solid var(--stroke);
  backdrop-filter:blur(12px);
  transition:.25s ease;
}
.card:hover{border-color:var(--stroke-strong);box-shadow:0 0 30px -12px var(--glow-2);transform:translateY(-3px)}
.card h3{font-size:17px;color:#fff;margin-bottom:10px}
.card p{font-size:14.5px;color:var(--text-mute)}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.icon-badge{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(37,99,235,.5),rgba(56,189,248,.28));
  border:1px solid var(--stroke-strong);color:#e0f2fe;font-size:19px;margin-bottom:14px;
}

/* time slot cards */
.slot-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.slot{
  padding:20px;border-radius:var(--radius-m);
  background:linear-gradient(170deg,var(--glass-2),rgba(3,9,24,.86));
  border:1px solid var(--stroke);
}
.slot-top{display:flex;justify-content:space-between;align-items:center;gap:10px}
.slot-time{font-size:20px;font-weight:900;color:#fff;letter-spacing:.02em}
.pill{font-size:11px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;padding:5px 11px;border-radius:999px}
.pill-open{color:#bbf7d0;background:rgba(34,197,94,.18);border:1px solid rgba(34,197,94,.4)}
.pill-soon{color:#fde68a;background:rgba(251,191,36,.16);border:1px solid rgba(251,191,36,.4)}
.pill-vip{color:#e9d5ff;background:rgba(168,85,247,.18);border:1px solid rgba(168,85,247,.45)}
.slot p{margin-top:12px;font-size:14px;color:var(--text-mute)}
.slot-meta{margin-top:14px;font-size:13px;color:var(--text-dim);display:flex;gap:14px;flex-wrap:wrap}
.progress{height:8px;border-radius:99px;background:rgba(148,163,184,.18);overflow:hidden;margin-top:14px}
.progress i{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,#38bdf8,#2563eb)}

/* team / expert */
.team-card{display:flex;gap:16px;align-items:flex-start;padding:20px;border-radius:var(--radius-m);background:var(--glass);border:1px solid var(--stroke)}
.avatar{width:56px;height:56px;border-radius:50%;flex:0 0 auto;background:linear-gradient(140deg,#1e40af,#38bdf8);display:grid;place-items:center;font-weight:900;color:#04122b;font-size:18px}
.team-card h3{font-size:16px;margin-bottom:6px}
.team-card span{font-size:12.5px;color:var(--brand-2);font-weight:700;letter-spacing:.04em}
.team-card p{margin-top:8px;font-size:14px;color:var(--text-mute)}

/* reviews */
.review{display:flex;flex-direction:column;gap:12px;padding:22px;border-radius:var(--radius-m);background:var(--glass);border:1px solid var(--stroke)}
.review-head{display:flex;align-items:center;gap:12px}
.review-head b{font-size:14.5px;color:#fff}
.review-head small{color:var(--text-dim);font-size:12px}
.stars{color:#fbbf24;font-size:13px;letter-spacing:2px}
.review p{font-size:14.5px;color:var(--text-soft)}

/* info list */
.info-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:28px;align-items:start}
.info-media{border-radius:var(--radius-l);overflow:hidden;border:1px solid var(--stroke-strong);box-shadow:var(--shadow-2)}
.info-media img{aspect-ratio:16/10;object-fit:cover;width:100%}
.info-list li{display:flex;gap:12px;padding:14px 0;border-bottom:1px dashed rgba(56,189,248,.18);font-size:14.5px;color:var(--text-soft)}
.info-list li:last-child{border-bottom:none}
.info-list i{color:var(--brand-2);margin-top:4px}

/* article / cms list */
.post-list{display:grid;gap:18px}
.post{display:grid;grid-template-columns:168px 1fr;gap:18px;padding:16px;border-radius:var(--radius-m);background:var(--glass);border:1px solid var(--stroke);transition:.24s ease}
.post:hover{border-color:var(--stroke-strong);box-shadow:0 0 26px -12px var(--glow-2);transform:translateY(-2px)}
.post-thumb{border-radius:12px;overflow:hidden;border:1px solid var(--stroke)}
.post-thumb img{width:100%;height:112px;object-fit:cover}
.post-body small{display:inline-flex;align-items:center;gap:8px;font-size:12px;color:var(--brand-2);font-weight:700;letter-spacing:.05em;text-transform:uppercase}
.post-body h3{margin-top:8px;font-size:16.5px;color:#fff}
.post-body p{margin-top:8px;font-size:14px;color:var(--text-mute)}
.post-side{display:grid;gap:16px;align-content:start}
.side-title{font-size:14px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:#93c5fd;margin-bottom:14px}
.mini{display:flex;gap:12px;padding:10px 0;border-bottom:1px dashed rgba(56,189,248,.16)}
.mini:last-child{border-bottom:none}
.mini img{width:58px;height:58px;border-radius:10px;object-fit:cover;flex:0 0 auto;border:1px solid var(--stroke)}
.mini b{font-size:13.5px;color:#e2e8f0;font-weight:700;display:block}
.mini small{color:var(--text-dim);font-size:12px}
.empty-note{padding:20px;border-radius:var(--radius-m);background:rgba(255,255,255,.03);border:1px dashed var(--stroke);color:var(--text-mute);font-size:14.5px}

/* category matrix */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.cat-card{
  display:block;padding:24px;border-radius:var(--radius-m);
  background:linear-gradient(165deg,rgba(20,42,84,.7),rgba(4,10,26,.9));
  border:1px solid var(--stroke);transition:.25s ease;
}
.cat-card:hover{border-color:var(--stroke-strong);box-shadow:0 0 32px -14px var(--glow);transform:translateY(-4px)}
.cat-card i{font-size:22px;color:var(--brand-2)}
.cat-card h3{margin-top:14px;font-size:17px;color:#fff}
.cat-card p{margin-top:10px;font-size:14px;color:var(--text-mute)}
.cat-card span{margin-top:14px;display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:800;color:#7dd3fc}

/* cta banner */
.cta-band{
  position:relative;padding:44px 34px;border-radius:var(--radius-l);overflow:hidden;
  background:linear-gradient(120deg,rgba(37,99,235,.34),rgba(3,7,18,.92));
  border:1px solid var(--stroke-strong);box-shadow:0 0 46px -22px var(--glow);
}
.cta-band::before{
  content:"";position:absolute;right:-60px;top:-60px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(56,189,248,.35),transparent 68%);
}
.cta-band h2{position:relative;font-size:clamp(21px,2.7vw,30px);color:#fff}
.cta-band p{position:relative;margin-top:12px;max-width:720px;color:var(--text-soft);font-size:15px}
.cta-band .hero-cta{position:relative}

/* faq */
.faq-item{padding:20px 22px;border-radius:var(--radius-m);background:var(--glass);border:1px solid var(--stroke);margin-bottom:14px}
.faq-item h3{font-size:16px;color:#fff;display:flex;gap:12px;align-items:flex-start}
.faq-item h3 span{color:var(--brand-2);font-weight:900}
.faq-item p{margin-top:10px;padding-left:26px;font-size:14.5px;color:var(--text-mute)}

/* form */
.form-box{padding:28px;border-radius:var(--radius-l);background:linear-gradient(165deg,rgba(20,42,84,.68),rgba(4,10,26,.92));border:1px solid var(--stroke-strong);box-shadow:var(--shadow-2)}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;font-weight:700;color:var(--text-soft);margin-bottom:7px}
.field input,.field select,.field textarea{
  width:100%;padding:13px 15px;border-radius:12px;
  background:rgba(2,8,22,.7);border:1px solid var(--stroke);
  color:#fff;font-size:14.5px;transition:.2s ease;
}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--brand-2);box-shadow:0 0 0 4px rgba(56,189,248,.16);outline:none}
.field textarea{min-height:104px;resize:vertical}
.form-note{font-size:12.5px;color:var(--text-dim);margin-top:12px}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:16px}

/* fab */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:70;
  width:58px;height:58px;border-radius:50%;
  display:grid;place-items:center;cursor:pointer;
  background:linear-gradient(150deg,rgba(10,22,48,.86),rgba(3,9,24,.94));
  border:2px solid transparent;
  background-clip:padding-box;
  box-shadow:0 0 24px rgba(56,189,248,.5),inset 0 0 0 1px rgba(56,189,248,.4);
  color:#7dd3fc;font-size:22px;transition:.25s ease;
  backdrop-filter:blur(12px);
}
.fab::after{
  content:"";position:absolute;inset:-3px;border-radius:50%;padding:2px;
  background:linear-gradient(135deg,#38bdf8,#2563eb,#a855f7);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;
  animation:fabPulse 3s linear infinite;
}
@keyframes fabPulse{0%{opacity:.75}50%{opacity:1}100%{opacity:.75}}
.fab:hover{transform:scale(1.1);box-shadow:0 0 40px rgba(56,189,248,.85)}
.fab:active{transform:scale(.94) translateY(2px)}
.fab b{
  position:absolute;top:-3px;right:-3px;width:14px;height:14px;border-radius:50%;
  background:#38bdf8;border:2px solid #030712;animation:dotBlink 1.4s ease-in-out infinite;
}
@keyframes dotBlink{0%,100%{opacity:1}50%{opacity:.35}}
.fab i{pointer-events:none}

/* footer */
.site-footer{
  margin-top:40px;padding:52px 0 26px;
  background:linear-gradient(180deg,rgba(3,7,18,.6),rgba(2,6,16,.98));
  border-top:1px solid rgba(56,189,248,.18);
}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px}
.site-footer h4{font-size:14px;color:#fff;margin-bottom:14px;letter-spacing:.06em;text-transform:uppercase}
.site-footer p{font-size:14px;color:var(--text-mute);margin-top:12px}
.site-footer li{margin-bottom:9px}
.site-footer li a{font-size:14px;color:var(--text-mute)}
.site-footer li a:hover{color:var(--brand-2)}
.foot-bottom{
  margin-top:34px;padding-top:20px;border-top:1px solid rgba(56,189,248,.14);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  font-size:13px;color:var(--text-dim);
}
.badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.badge{
  font-size:11.5px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;
  padding:6px 12px;border-radius:8px;color:#bae6fd;
  background:rgba(37,99,235,.16);border:1px solid var(--stroke);
}

@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3,.slot-grid,.cat-grid{grid-template-columns:repeat(2,1fr)}
  .info-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .main-nav{display:none}
  .main-nav.is-open{
    display:flex;position:absolute;top:70px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:2px;padding:14px 20px 20px;
    background:rgba(3,7,18,.98);border-bottom:1px solid var(--stroke-strong);
  }
  .nav-toggle{display:grid;place-items:center;margin-left:auto}
}
@media (max-width:768px){
  .section{padding:46px 0}
  .hero{padding:40px 0 30px}
  .grid-2,.grid-3,.grid-4,.slot-grid,.cat-grid,.two-col{grid-template-columns:1fr}
  .post{grid-template-columns:1fr}
  .post-thumb img{height:170px}
  .nav-actions{gap:8px}
  .btn-login,.btn-signup{padding:8px 13px;font-size:13px}
}
@media (max-width:520px){
  .container{padding:0 15px}
  .brand-text b{font-size:13px}
  .brand-text span{font-size:10px;letter-spacing:.1em}
  .hero h1{font-size:26px}
  .btn{width:100%;justify-content:center}
  .fab{bottom:88px;left:12px;width:54px;height:54px}
}

/* roulang page: article */
:root{
  --bg-0:#030712;
  --bg-1:#081229;
  --bg-2:#0d1b3a;
  --glass:rgba(15,32,66,.62);
  --glass-2:rgba(20,42,84,.5);
  --stroke:rgba(56,189,248,.22);
  --stroke-strong:rgba(56,189,248,.5);
  --brand:#2563eb;
  --brand-2:#38bdf8;
  --brand-3:#60a5fa;
  --glow:rgba(37,99,235,.45);
  --glow-2:rgba(56,189,248,.4);
  --text:#f8fafc;
  --text-soft:#cbd5e1;
  --text-mute:#94a3b8;
  --text-dim:#64748b;
  --ok:#22c55e;
  --warn:#fbbf24;
  --radius-s:10px;
  --radius-m:16px;
  --radius-l:24px;
  --shadow-1:0 10px 30px -12px rgba(2,8,20,.9);
  --shadow-2:0 22px 55px -20px rgba(6,20,50,.95);
  --container:1200px;
  --font:"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  color:var(--text);
  background:
    radial-gradient(1100px 620px at 82% -8%, rgba(37,99,235,.28), transparent 60%),
    radial-gradient(900px 520px at 4% 12%, rgba(56,189,248,.16), transparent 62%),
    linear-gradient(180deg,var(--bg-0),var(--bg-1) 42%,var(--bg-0));
  background-attachment:fixed;
  line-height:1.65;
  font-size:16px;
  letter-spacing:.01em;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand-3);text-decoration:none;transition:color .2s ease,opacity .2s ease}
a:hover,a:focus{color:var(--brand-2)}
button,input,select,textarea{font:inherit;color:inherit}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
/* HEADER */
.site-header{
  position:sticky;top:0;z-index:80;
  backdrop-filter:blur(16px);
  background:linear-gradient(180deg,rgba(3,7,18,.94),rgba(3,7,18,.76));
  border-bottom:1px solid rgba(56,189,248,.16);
  box-shadow:0 12px 34px -26px rgba(0,0,0,.95);
}
.nav-wrap{display:flex;align-items:center;gap:18px;min-height:70px}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.brand-mark{
  width:42px;height:42px;border-radius:12px;flex:0 0 auto;
  display:grid;place-items:center;
  background:linear-gradient(140deg,#1d4ed8,#38bdf8);
  box-shadow:0 0 22px rgba(56,189,248,.5),inset 0 0 0 1px rgba(255,255,255,.28);
  color:#04122b;font-weight:900;font-size:19px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text b{font-size:15px;font-weight:800;color:var(--text)}
.brand-text span{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--brand-2)}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto;flex-wrap:wrap}
.main-nav a{
  padding:9px 13px;border-radius:10px;font-size:14px;font-weight:600;
  color:var(--text-soft);white-space:nowrap;transition:.2s ease;
}
.main-nav a:hover{color:#fff;background:rgba(56,189,248,.12)}
.main-nav a.is-active{color:#fff;background:rgba(37,99,235,.28);box-shadow:inset 0 0 0 1px var(--stroke-strong)}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.btn-login{
  padding:9px 16px;border-radius:999px;font-size:14px;font-weight:700;
  color:var(--brand-2);background:transparent;border:1px solid rgba(56,189,248,.45);
}
.btn-login:hover{background:rgba(56,189,248,.12);color:#fff}
.btn-signup{
  padding:10px 20px;border-radius:999px;font-size:14px;font-weight:800;
  color:#04122b;background:linear-gradient(135deg,#38bdf8,#2563eb);
  box-shadow:0 0 20px rgba(56,189,248,.45);
  border:none;cursor:pointer;
}
.btn-signup:hover{box-shadow:0 0 30px rgba(56,189,248,.7);transform:translateY(-1px)}
.nav-toggle{
  display:none;background:transparent;border:1px solid var(--stroke);border-radius:10px;
  width:42px;height:42px;color:var(--text);font-size:18px;cursor:pointer;
}
/* LAYOUT */
.article-head{position:relative;padding:48px 0 26px;overflow:hidden}
.article-head::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/c93b4af255a13bd4.jpg') center/cover no-repeat;
  opacity:.2;filter:saturate(1.05);
}
.article-head::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(3,7,18,.97) 0%,rgba(3,7,18,.78) 55%,rgba(3,7,18,.45) 100%);
}
.article-head .container{position:relative;z-index:2}
.crumb{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:13px;color:var(--text-mute)}
.crumb a{color:var(--brand-2);font-weight:600}
.crumb i{font-size:10px;color:var(--text-dim)}
.article-tag{
  display:inline-flex;align-items:center;gap:8px;margin-top:18px;
  padding:7px 15px;border-radius:999px;font-size:12px;font-weight:800;
  letter-spacing:.12em;text-transform:uppercase;color:#bae6fd;
  background:rgba(37,99,235,.2);border:1px solid var(--stroke-strong);
}
.article-head h1{
  margin:16px 0 0;font-size:clamp(26px,3.6vw,44px);line-height:1.2;max-width:900px;
  background:linear-gradient(120deg,#ffffff 8%,#93c5fd 58%,#38bdf8 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.article-meta{display:flex;flex-wrap:wrap;gap:18px;margin-top:20px;font-size:13.5px;color:var(--text-mute)}
.article-meta span{display:inline-flex;align-items:center;gap:7px}
.article-meta i{color:var(--brand-2)}
.article-body-wrap{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:34px;align-items:start;padding:44px 0 62px}
.entry{
  background:var(--glass);border:1px solid var(--stroke);border-radius:var(--radius-l);
  padding:32px;backdrop-filter:blur(12px);box-shadow:var(--shadow-1);
}
.entry .lead{
  font-size:17.5px;line-height:1.75;color:#e2e8f0;
  padding:18px 22px;border-left:3px solid var(--brand-2);
  background:linear-gradient(90deg,rgba(56,189,248,.12),rgba(56,189,248,0));
  border-radius:0 var(--radius-m) var(--radius-m) 0;margin:0 0 26px;
}
.entry h2{
  font-size:clamp(20px,2.4vw,28px);line-height:1.3;margin:38px 0 14px;
  color:#fff;padding-left:16px;border-left:4px solid var(--brand);
}
.entry h3{font-size:clamp(17px,2vw,21px);margin:28px 0 10px;color:#e2e8f0}
.entry p{margin:0 0 16px;color:var(--text-soft);line-height:1.72}
.entry ul,.entry ol{margin:0 0 18px;padding-left:22px;color:var(--text-soft)}
.entry li{margin-bottom:9px;line-height:1.7}
.entry img{border-radius:var(--radius-m);margin:20px 0;border:1px solid var(--stroke)}
.entry blockquote{
  margin:26px 0;padding:22px 26px;border-radius:var(--radius-m);
  background:linear-gradient(135deg,rgba(37,99,235,.22),rgba(56,189,248,.08));
  border:1px solid var(--stroke-strong);color:#e2e8f0;font-size:16.5px;font-style:italic;
}
.entry blockquote:before{content:"\201C";font-size:34px;line-height:0;color:var(--brand-2);vertical-align:-8px;margin-right:4px}
.entry table{width:100%;border-collapse:collapse;margin:22px 0;font-size:14.5px}
.entry table th,.entry table td{padding:12px 14px;border:1px solid var(--stroke);text-align:left}
.entry table th{background:rgba(37,99,235,.22);color:#fff;font-weight:700}
.entry table td{color:var(--text-soft)}
.entry a{color:var(--brand-2);font-weight:600;border-bottom:1px dashed rgba(56,189,248,.5)}
.entry a:hover{color:#fff;border-bottom-color:#fff}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:32px;padding-top:22px;border-top:1px solid rgba(56,189,248,.16)}
.tag{font-size:12.5px;font-weight:600;padding:6px 13px;border-radius:999px;background:rgba(56,189,248,.12);border:1px solid var(--stroke);color:var(--brand-2)}
/* SIDEBAR */
.side{position:sticky;top:88px;display:flex;flex-direction:column;gap:20px}
.side-card{
  background:var(--glass);border:1px solid var(--stroke);border-radius:var(--radius-m);
  padding:22px;backdrop-filter:blur(12px);box-shadow:var(--shadow-1);
}
.side-card h3{margin:0 0 14px;font-size:16px;color:#fff;display:flex;align-items:center;gap:9px}
.side-card h3 i{color:var(--brand-2)}
.side-card p{margin:0;color:var(--text-soft);font-size:14.5px;line-height:1.65}
.side-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:11px}
.side-list li{display:flex;gap:11px;align-items:flex-start;font-size:14.5px;color:var(--text-soft)}
.side-list i{color:var(--ok);margin-top:4px;font-size:12px}
.side-cta .btn{width:100%;justify-content:center;margin-top:14px}
/* BUTTONS */
.btn{
  display:inline-flex;align-items:center;gap:9px;
  padding:13px 24px;border-radius:14px;font-weight:800;font-size:15px;
  cursor:pointer;border:1px solid transparent;transition:.22s ease;
}
.btn-primary{
  color:#04122b;background:linear-gradient(135deg,#38bdf8,#2563eb);
  box-shadow:0 0 26px rgba(56,189,248,.5);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 38px rgba(56,189,248,.75);color:#04122b}
.btn-ghost{color:var(--text);background:rgba(255,255,255,.05);border-color:var(--stroke-strong)}
.btn-ghost:hover{background:rgba(56,189,248,.14);transform:translateY(-2px);color:#fff}
/* RELATED */
.section{padding:52px 0}
.section-title{margin-bottom:26px}
.section-title h2{font-size:clamp(21px,2.6vw,30px);margin:0 0 8px;color:#fff}
.section-title p{margin:0;color:var(--text-mute);font-size:15px;max-width:720px}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.post-card{
  background:var(--glass);border:1px solid var(--stroke);border-radius:var(--radius-m);
  overflow:hidden;transition:.24s ease;display:flex;flex-direction:column;
}
.post-card:hover{transform:translateY(-3px);border-color:var(--stroke-strong);box-shadow:var(--shadow-2)}
.post-card img{width:100%;height:186px;object-fit:cover}
.post-card .pc-body{padding:18px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-card h3{margin:0;font-size:17px;line-height:1.4;color:#fff}
.post-card p{margin:0;font-size:14px;color:var(--text-mute);line-height:1.6;flex:1}
.post-card .pc-more{font-size:13.5px;font-weight:700;color:var(--brand-2);display:inline-flex;align-items:center;gap:7px}
/* FAQ */
.faq-item{
  background:var(--glass);border:1px solid var(--stroke);border-radius:var(--radius-m);
  margin-bottom:12px;overflow:hidden;
}
.faq-q{
  width:100%;display:flex;justify-content:space-between;align-items:center;gap:14px;
  padding:18px 22px;background:transparent;border:none;cursor:pointer;text-align:left;
  font-size:16px;font-weight:700;color:#fff;
}
.faq-q i{color:var(--brand-2);transition:transform .25s ease;flex:0 0 auto}
.faq-item.open .faq-q i{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a p{margin:0;padding:0 22px 20px;color:var(--text-soft);font-size:15px;line-height:1.7}
.faq-item.open .faq-a{max-height:400px}
/* CTA BAND */
.cta-band{
  border-radius:var(--radius-l);padding:40px;text-align:center;
  background:
    radial-gradient(600px 240px at 50% 0%,rgba(56,189,248,.28),transparent 70%),
    linear-gradient(135deg,rgba(37,99,235,.35),rgba(8,18,41,.9));
  border:1px solid var(--stroke-strong);box-shadow:var(--shadow-2);
}
.cta-band h2{margin:0 0 12px;font-size:clamp(21px,2.8vw,30px);color:#fff}
.cta-band p{margin:0 auto 22px;max-width:640px;color:var(--text-soft);font-size:15.5px}
/* FOOTER */
.site-footer{
  border-top:1px solid rgba(56,189,248,.16);
  background:linear-gradient(180deg,rgba(3,7,18,.6),rgba(3,7,18,.98));
  padding:52px 0 26px;margin-top:24px;
}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}
.foot-grid p{color:var(--text-mute);font-size:14px;line-height:1.7;margin:16px 0 0}
.foot-grid h4{font-size:14px;letter-spacing:.1em;text-transform:uppercase;color:#fff;margin:0 0 16px}
.foot-grid ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}
.foot-grid ul a{font-size:14.5px;color:var(--text-mute)}
.foot-grid ul a:hover{color:var(--brand-2)}
.badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.badge{font-size:12px;font-weight:700;padding:5px 12px;border-radius:999px;color:#bae6fd;background:rgba(56,189,248,.12);border:1px solid var(--stroke)}
.foot-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  margin-top:38px;padding-top:20px;border-top:1px solid rgba(56,189,248,.14);
  font-size:13px;color:var(--text-dim);
}
/* FAB */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:60;
  width:56px;height:56px;border-radius:50%;
  display:grid;place-items:center;font-size:22px;color:#04122b;
  background:linear-gradient(140deg,#38bdf8,#2563eb);
  border:2px solid rgba(255,255,255,.35);
  box-shadow:0 0 22px rgba(56,189,248,.6);
  animation:fabFloat 3.4s ease-in-out infinite;opacity:.85;transition:.25s ease;
}
.fab:hover{opacity:1;transform:scale(1.1);color:#04122b}
.fab::after{content:"";position:absolute;top:4px;right:4px;width:12px;height:12px;border-radius:50%;background:#ef4444;box-shadow:0 0 0 2px #030712}
@keyframes fabFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}
/* RESPONSIVE */
@media (max-width:1024px){
  .article-body-wrap{grid-template-columns:1fr;gap:28px}
  .side{position:static}
  .foot-grid{grid-template-columns:1fr 1fr;gap:26px}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:860px){
  .main-nav{
    display:none;
  }
  .main-nav.open{
    display:flex;flex-direction:column;align-items:flex-start;gap:6px;
    position:absolute;top:70px;left:0;right:0;padding:14px 20px 20px;
    background:rgba(3,7,18,.98);border-bottom:1px solid var(--stroke);
  }
  .nav-toggle{display:block;margin-left:auto}
  .nav-actions .btn-login,.nav-actions .btn-signup{display:none}
  .entry{padding:22px}
}
@media (max-width:520px){
  .grid-3{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .foot-bottom{flex-direction:column}
  .cta-band{padding:26px 20px}
  .fab{width:50px;height:50px;bottom:88px}
}

/* roulang page: category1 */
:root{
  --bg-0:#030712;
  --bg-1:#081229;
  --bg-2:#0d1b3a;
  --glass:rgba(15,32,66,.62);
  --glass-2:rgba(20,42,84,.5);
  --stroke:rgba(56,189,248,.22);
  --stroke-strong:rgba(56,189,248,.5);
  --brand:#2563eb;
  --brand-2:#38bdf8;
  --brand-3:#60a5fa;
  --glow:rgba(37,99,235,.45);
  --glow-2:rgba(56,189,248,.4);
  --text:#f8fafc;
  --text-soft:#cbd5e1;
  --text-mute:#94a3b8;
  --text-dim:#64748b;
  --ok:#22c55e;
  --warn:#fbbf24;
  --radius-s:10px;
  --radius-m:16px;
  --radius-l:24px;
  --shadow-1:0 10px 30px -12px rgba(2,8,20,.9);
  --shadow-2:0 22px 55px -20px rgba(6,20,50,.95);
  --container:1200px;
  --font:"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  color:var(--text);
  background:
    radial-gradient(1100px 620px at 82% -8%, rgba(37,99,235,.28), transparent 60%),
    radial-gradient(900px 520px at 4% 12%, rgba(56,189,248,.16), transparent 62%),
    linear-gradient(180deg,var(--bg-0),var(--bg-1) 42%,var(--bg-0));
  background-attachment:fixed;
  line-height:1.65;
  font-size:16px;
  letter-spacing:.01em;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand-3);text-decoration:none;transition:color .2s ease,opacity .2s ease}
a:hover,a:focus{color:var(--brand-2)}
a:focus-visible,button:focus-visible{outline:2px solid var(--brand-2);outline-offset:3px}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
/* ---------- HEADER ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  backdrop-filter:blur(16px);
  background:linear-gradient(180deg,rgba(3,7,18,.94),rgba(3,7,18,.76));
  border-bottom:1px solid rgba(56,189,248,.16);
  box-shadow:0 12px 34px -26px rgba(0,0,0,.95);
}
.nav-wrap{display:flex;align-items:center;gap:18px;min-height:70px}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.brand-mark{
  width:42px;height:42px;border-radius:12px;flex:0 0 auto;
  display:grid;place-items:center;
  background:linear-gradient(140deg,#1d4ed8,#38bdf8);
  box-shadow:0 0 22px rgba(56,189,248,.5),inset 0 0 0 1px rgba(255,255,255,.28);
  color:#04122b;font-weight:900;font-size:19px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text b{font-size:15px;font-weight:800;color:var(--text)}
.brand-text span{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--brand-2)}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto;flex-wrap:wrap}
.main-nav a{
  padding:9px 13px;border-radius:10px;font-size:14px;font-weight:600;
  color:var(--text-soft);white-space:nowrap;transition:.2s ease;
}
.main-nav a:hover{color:#fff;background:rgba(56,189,248,.12)}
.main-nav a.is-active{color:#fff;background:rgba(37,99,235,.28);box-shadow:inset 0 0 0 1px var(--stroke-strong)}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.btn-login{
  padding:9px 16px;border-radius:999px;font-size:14px;font-weight:700;
  color:var(--brand-2);background:transparent;border:1px solid rgba(56,189,248,.45);
}
.btn-login:hover{background:rgba(56,189,248,.12);color:#fff}
.btn-signup{
  padding:10px 20px;border-radius:999px;font-size:14px;font-weight:800;
  color:#04122b;background:linear-gradient(135deg,#38bdf8,#2563eb);
  box-shadow:0 0 20px rgba(56,189,248,.45);
  border:none;cursor:pointer;
}
.btn-signup:hover{box-shadow:0 0 30px rgba(56,189,248,.7);transform:translateY(-1px)}
.nav-toggle{
  display:none;background:transparent;border:1px solid var(--stroke);border-radius:10px;
  width:42px;height:42px;color:var(--text);font-size:18px;cursor:pointer;
}
/* ---------- SKEW HERO ---------- */
.cat-hero{position:relative;padding:54px 0 66px;overflow:hidden}
.cat-hero-bg{
  position:absolute;inset:0;
  background:url('/assets/images/c93b4af255a13bd4.jpg') center/cover no-repeat;
  opacity:.2;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(3,7,18,.97) 0%,rgba(8,18,41,.86) 46%,rgba(3,7,18,.55) 100%);
}
.cat-hero .container{position:relative;z-index:2}
.cat-hero-inner{max-width:760px}
.crumb{display:flex;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--text-dim);margin-bottom:16px}
.crumb a{color:var(--text-mute)}
.crumb a:hover{color:var(--brand-2)}
.crumb span{color:var(--text-dim)}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 15px;border-radius:999px;font-size:12px;font-weight:800;
  letter-spacing:.12em;text-transform:uppercase;color:#bae6fd;
  background:rgba(37,99,235,.2);border:1px solid var(--stroke-strong);
}
.cat-hero h1{
  margin-top:18px;font-size:clamp(27px,4vw,46px);line-height:1.18;
  background:linear-gradient(120deg,#ffffff 8%,#93c5fd 58%,#38bdf8 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{margin-top:18px;color:var(--text-soft);font-size:16.5px;line-height:1.72}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-note{margin-top:14px;font-size:13px;color:var(--text-dim)}
/* skewed block */
.skew-band{
  position:relative;margin-top:30px;
  padding:22px 26px;
  border-radius:var(--radius-m);
  background:linear-gradient(135deg,rgba(37,99,235,.24),rgba(56,189,248,.12));
  border:1px solid var(--stroke);
  box-shadow:var(--shadow-2);
  transform:skewX(-4deg);
}
.skew-band > div{transform:skewX(4deg)}
.skew-band b{display:block;font-size:15px;color:#fff}
.skew-band span{font-size:13.5px;color:var(--text-soft)}
/* ---------- BUTTONS ---------- */
.btn{
  display:inline-flex;align-items:center;gap:9px;
  padding:14px 26px;border-radius:14px;font-weight:800;font-size:15px;
  cursor:pointer;border:1px solid transparent;transition:.22s ease;
}
.btn-primary{
  color:#04122b;background:linear-gradient(135deg,#38bdf8,#2563eb);
  box-shadow:0 0 26px rgba(56,189,248,.5);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 38px rgba(56,189,248,.75);color:#04122b}
.btn-ghost{color:var(--text);background:rgba(255,255,255,.05);border-color:var(--stroke-strong)}
.btn-ghost:hover{background:rgba(56,189,248,.14);transform:translateY(-2px);color:#fff}
.btn-sm{padding:10px 18px;font-size:13.5px;border-radius:11px}
/* ---------- SECTION ---------- */
.section{padding:62px 0;position:relative}
.section.alt{background:linear-gradient(180deg,rgba(8,18,41,.72),rgba(3,7,18,.2));border-top:1px solid rgba(56,189,248,.1);border-bottom:1px solid rgba(56,189,248,.1)}
.section-head{max-width:720px;margin-bottom:34px}
.section-head .kicker{
  font-size:12px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--brand-2);font-weight:800;
}
.section-head h2{margin-top:10px;font-size:clamp(22px,2.6vw,32px);line-height:1.25;color:#fff}
.section-head p{margin-top:12px;color:var(--text-soft);font-size:15.5px}
/* glass card */
.card{
  padding:24px;border-radius:var(--radius-m);
  background:var(--glass);
  border:1px solid var(--stroke);
  backdrop-filter:blur(12px);
  box-shadow:var(--shadow-1);
  transition:.24s ease;
}
.card:hover{transform:translateY(-4px);border-color:var(--stroke-strong);box-shadow:var(--shadow-2)}
.card h3{font-size:17.5px;color:#fff}
.card p{margin-top:10px;color:var(--text-soft);font-size:14.5px}
/* grid */
.grid{display:grid;gap:18px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
/* metrics */
.metric{
  padding:22px;border-radius:var(--radius-m);
  background:var(--glass-2);border:1px solid var(--stroke);
  text-align:left;
}
.metric b{
  display:block;font-size:clamp(24px,3vw,34px);
  background:linear-gradient(120deg,#fff,#38bdf8);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.metric span{display:block;margin-top:6px;font-size:13.5px;color:var(--text-mute)}
/* status list */
.status-list{display:grid;gap:12px}
.status-item{
  display:flex;align-items:center;gap:14px;
  padding:16px 18px;border-radius:var(--radius-s);
  background:rgba(9,22,48,.7);border:1px solid var(--stroke);
  transition:.2s ease;
}
.status-item:hover{border-color:var(--stroke-strong);background:rgba(13,32,66,.85)}
.status-dot{
  width:10px;height:10px;border-radius:50%;flex:0 0 auto;
  background:var(--ok);box-shadow:0 0 12px rgba(34,197,94,.85);
}
.status-item b{font-size:14.5px;color:#fff;font-weight:700}
.status-item span{margin-left:auto;font-size:12.5px;color:var(--text-mute);white-space:nowrap}
/* media block */
.media{display:grid;grid-template-columns:1.05fr .95fr;gap:30px;align-items:center}
.media img{border-radius:var(--radius-l);border:1px solid var(--stroke);box-shadow:var(--shadow-2)}
.media ul{margin-top:18px;display:grid;gap:10px}
.media ul li{display:flex;gap:10px;color:var(--text-soft);font-size:14.5px}
.media ul li i{color:var(--brand-2);margin-top:4px}
/* steps */
.step{
  padding:22px;border-radius:var(--radius-m);
  background:linear-gradient(160deg,rgba(20,42,84,.6),rgba(9,22,48,.5));
  border:1px solid var(--stroke);
}
.step .num{
  display:inline-grid;place-items:center;width:38px;height:38px;border-radius:11px;
  background:linear-gradient(135deg,#38bdf8,#2563eb);color:#04122b;font-weight:900;
  box-shadow:0 0 18px rgba(56,189,248,.45);
}
.step h3{margin-top:14px;font-size:16.5px;color:#fff}
.step p{margin-top:8px;color:var(--text-soft);font-size:14.5px}
/* tag */
.tag{
  display:inline-block;padding:5px 12px;border-radius:999px;font-size:11.5px;
  font-weight:800;letter-spacing:.08em;text-transform:uppercase;
  color:#bae6fd;background:rgba(37,99,235,.22);border:1px solid var(--stroke-strong);
}
.tag.ok{color:#bbf7d0;background:rgba(34,197,94,.16);border-color:rgba(34,197,94,.45)}
.tag.warn{color:#fde68a;background:rgba(251,191,36,.16);border-color:rgba(251,191,36,.4)}
/* content list */
.post-list{display:grid;gap:16px}
.post-item{
  display:grid;grid-template-columns:180px 1fr;gap:18px;align-items:center;
  padding:16px;border-radius:var(--radius-m);
  background:var(--glass);border:1px solid var(--stroke);
  transition:.22s ease;
}
.post-item:hover{transform:translateY(-3px);border-color:var(--stroke-strong);box-shadow:var(--shadow-2)}
.post-item img{width:100%;height:110px;object-fit:cover;border-radius:var(--radius-s);border:1px solid var(--stroke)}
.post-item h3{font-size:16px;color:#fff;line-height:1.4}
.post-item h3 a{color:#fff}
.post-item h3 a:hover{color:var(--brand-2)}
.post-meta{display:flex;flex-wrap:wrap;gap:12px;margin-top:9px;font-size:12.5px;color:var(--text-dim)}
.post-meta i{color:var(--brand-2);margin-right:5px}
.post-item p{margin-top:9px;font-size:14px;color:var(--text-soft)}
.post-empty{
  padding:26px;border-radius:var(--radius-m);
  background:var(--glass);border:1px dashed var(--stroke);color:var(--text-mute);font-size:14.5px;
}
/* faq */
.faq-item{
  padding:20px 22px;border-radius:var(--radius-m);
  background:var(--glass);border:1px solid var(--stroke);
  transition:.2s ease;
}
.faq-item:hover{border-color:var(--stroke-strong)}
.faq-item h3{font-size:16px;color:#fff;display:flex;gap:10px}
.faq-item h3 i{color:var(--brand-2);margin-top:3px}
.faq-item p{margin-top:10px;color:var(--text-soft);font-size:14.5px}
/* trust */
.trust{
  display:grid;gap:16px;grid-template-columns:repeat(4,1fr);
}
.trust div{
  padding:18px;border-radius:var(--radius-m);
  background:rgba(9,22,48,.6);border:1px solid var(--stroke);
  text-align:left;
}
.trust i{font-size:20px;color:var(--brand-2)}
.trust b{display:block;margin-top:10px;font-size:14.5px;color:#fff}
.trust span{display:block;margin-top:5px;font-size:13px;color:var(--text-mute)}
/* cta */
.cta-band{
  position:relative;padding:38px 34px;border-radius:var(--radius-l);
  background:linear-gradient(120deg,rgba(37,99,235,.35),rgba(56,189,248,.16));
  border:1px solid var(--stroke-strong);
  box-shadow:var(--shadow-2);
  display:grid;grid-template-columns:1.4fr auto;gap:24px;align-items:center;
}
.cta-band h2{font-size:clamp(21px,2.4vw,29px);color:#fff}
.cta-band p{margin-top:10px;color:var(--text-soft);font-size:15px;max-width:640px}
/* footer */
.site-footer{
  margin-top:20px;padding:56px 0 26px;
  background:linear-gradient(180deg,rgba(3,7,18,.2),rgba(3,7,18,.98));
  border-top:1px solid rgba(56,189,248,.16);
}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:30px}
.foot-grid h4{font-size:14.5px;color:#fff;margin-bottom:14px;letter-spacing:.02em}
.foot-grid p{margin-top:16px;font-size:13.5px;color:var(--text-mute);line-height:1.7}
.foot-grid ul{display:grid;gap:9px}
.foot-grid ul a{font-size:13.5px;color:var(--text-mute)}
.foot-grid ul a:hover{color:var(--brand-2)}
.badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.badge{
  padding:5px 12px;border-radius:999px;font-size:11.5px;font-weight:700;
  color:#bae6fd;background:rgba(37,99,235,.18);border:1px solid var(--stroke);
}
.foot-bottom{
  margin-top:34px;padding-top:20px;border-top:1px solid rgba(56,189,248,.14);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:12.5px;color:var(--text-dim);
}
/* fab */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:70;
  width:56px;height:56px;border-radius:16px;
  display:grid;place-items:center;
  background:rgba(7,7,13,.8);backdrop-filter:blur(12px);
  border:1px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.85),rgba(7,7,13,.85)),linear-gradient(140deg,#38bdf8,#2563eb);
  background-origin:border-box;background-clip:padding-box,border-box;
  box-shadow:0 0 22px rgba(56,189,248,.45);
  color:#e0f2fe;font-size:20px;
  transition:.24s ease;opacity:.85;
  animation:fabPulse 3.4s ease-in-out infinite;
}
.fab:hover{opacity:1;transform:scale(1.08);box-shadow:0 0 34px rgba(56,189,248,.75)}
.fab:active{transform:scale(.95) translateY(2px)}
.fab .fab-dot{
  position:absolute;top:-4px;right:-4px;width:13px;height:13px;border-radius:50%;
  background:#ef4444;box-shadow:0 0 10px rgba(239,68,68,.9);
  animation:dotBlink 1.6s ease-in-out infinite;
}
@keyframes fabPulse{0%,100%{box-shadow:0 0 18px rgba(56,189,248,.4)}50%{box-shadow:0 0 30px rgba(56,189,248,.7)}}
@keyframes dotBlink{0%,100%{opacity:1}50%{opacity:.35}}
/* responsive */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .trust{grid-template-columns:repeat(2,1fr)}
  .media{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .cta-band{grid-template-columns:1fr}
}
@media (max-width:820px){
  .main-nav{
    position:absolute;top:70px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:2px;
    padding:14px 20px 20px;
    background:rgba(3,7,18,.98);border-bottom:1px solid var(--stroke);
    display:none;
  }
  .main-nav.is-open{display:flex}
  .main-nav a{padding:12px 14px;font-size:15px}
  .nav-toggle{display:grid;place-items:center}
  .nav-actions{margin-left:auto}
  .btn-login{padding:8px 12px;font-size:13px}
  .btn-signup{padding:9px 14px;font-size:13px}
  .brand-text b{font-size:13.5px}
}
@media (max-width:640px){
  .grid-3,.grid-2,.grid-4,.trust{grid-template-columns:1fr}
  .post-item{grid-template-columns:1fr}
  .post-item img{height:170px}
  .foot-grid{grid-template-columns:1fr}
  .section{padding:48px 0}
  .cta-band{padding:26px 22px}
  .skew-band{transform:none}
  .skew-band > div{transform:none}
}

/* roulang page: category2 */
:root{
  --bg-0:#030712;
  --bg-1:#081229;
  --bg-2:#0d1b3a;
  --glass:rgba(15,32,66,.62);
  --glass-2:rgba(20,42,84,.5);
  --stroke:rgba(56,189,248,.22);
  --stroke-strong:rgba(56,189,248,.5);
  --brand:#2563eb;
  --brand-2:#38bdf8;
  --brand-3:#60a5fa;
  --glow:rgba(37,99,235,.45);
  --glow-2:rgba(56,189,248,.4);
  --text:#f8fafc;
  --text-soft:#cbd5e1;
  --text-mute:#94a3b8;
  --text-dim:#64748b;
  --ok:#22c55e;
  --warn:#fbbf24;
  --radius-s:10px;
  --radius-m:16px;
  --radius-l:24px;
  --shadow-1:0 10px 30px -12px rgba(2,8,20,.9);
  --shadow-2:0 22px 55px -20px rgba(6,20,50,.95);
  --container:1200px;
  --font:"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  color:var(--text);
  background:
    radial-gradient(1100px 620px at 82% -8%, rgba(37,99,235,.28), transparent 60%),
    radial-gradient(900px 520px at 4% 12%, rgba(56,189,248,.16), transparent 62%),
    linear-gradient(180deg,var(--bg-0),var(--bg-1) 42%,var(--bg-0));
  background-attachment:fixed;
  line-height:1.65;
  font-size:16px;
  letter-spacing:.01em;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand-3);text-decoration:none;transition:color .2s ease,opacity .2s ease}
a:hover,a:focus{color:var(--brand-2)}
button,input,select,textarea{font:inherit;color:inherit}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
/* ---------- HEADER ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  backdrop-filter:blur(16px);
  background:linear-gradient(180deg,rgba(3,7,18,.94),rgba(3,7,18,.76));
  border-bottom:1px solid rgba(56,189,248,.16);
  box-shadow:0 12px 34px -26px rgba(0,0,0,.95);
}
.nav-wrap{display:flex;align-items:center;gap:18px;min-height:70px}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.brand-mark{
  width:42px;height:42px;border-radius:12px;flex:0 0 auto;
  display:grid;place-items:center;
  background:linear-gradient(140deg,#1d4ed8,#38bdf8);
  box-shadow:0 0 22px rgba(56,189,248,.5),inset 0 0 0 1px rgba(255,255,255,.28);
  color:#04122b;font-weight:900;font-size:19px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text b{font-size:15px;font-weight:800;color:var(--text)}
.brand-text span{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--brand-2)}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto;flex-wrap:wrap}
.main-nav a{
  padding:9px 13px;border-radius:10px;font-size:14px;font-weight:600;
  color:var(--text-soft);white-space:nowrap;transition:.2s ease;
}
.main-nav a:hover{color:#fff;background:rgba(56,189,248,.12)}
.main-nav a.is-active{color:#fff;background:rgba(37,99,235,.28);box-shadow:inset 0 0 0 1px var(--stroke-strong)}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.btn-login{
  padding:9px 16px;border-radius:999px;font-size:14px;font-weight:700;
  color:var(--brand-2);background:transparent;border:1px solid rgba(56,189,248,.45);
}
.btn-login:hover{background:rgba(56,189,248,.12);color:#fff}
.btn-signup{
  padding:10px 20px;border-radius:999px;font-size:14px;font-weight:800;
  color:#04122b;background:linear-gradient(135deg,#38bdf8,#2563eb);
  box-shadow:0 0 20px rgba(56,189,248,.45);
  border:none;cursor:pointer;
}
.btn-signup:hover{box-shadow:0 0 30px rgba(56,189,248,.7);transform:translateY(-1px)}
.nav-toggle{
  display:none;background:transparent;border:1px solid var(--stroke);border-radius:10px;
  width:42px;height:42px;color:var(--text);font-size:18px;cursor:pointer;
}
/* ---------- SECTION BASE ---------- */
.section{padding:62px 0;position:relative}
.section.alt{background:linear-gradient(180deg,rgba(8,18,41,.72),rgba(3,7,18,.2));border-top:1px solid rgba(56,189,248,.1);border-bottom:1px solid rgba(56,189,248,.1)}
.section-head{max-width:760px;margin-bottom:34px}
.section-head .kicker{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  font-size:12px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;
  color:#bae6fd;background:rgba(37,99,235,.18);border:1px solid var(--stroke-strong);
}
.section-head h2{margin:16px 0 12px;font-size:clamp(22px,3vw,34px);line-height:1.2;color:#fff}
.section-head p{margin:0;color:var(--text-soft);line-height:1.7}
.glass{
  background:var(--glass);
  border:1px solid var(--stroke);
  border-radius:var(--radius-l);
  backdrop-filter:blur(14px);
  box-shadow:var(--shadow-1);
}
/* ---------- HERO (category) ---------- */
.hero{position:relative;padding:54px 0 44px;overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/c93b4af255a13bd4.jpg') center/cover no-repeat;
  opacity:.26;filter:saturate(1.05);
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(3,7,18,.97) 0%,rgba(3,7,18,.75) 54%,rgba(3,7,18,.4) 100%);
}
.hero .container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:34px;align-items:center}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 15px;border-radius:999px;font-size:12px;font-weight:800;
  letter-spacing:.12em;text-transform:uppercase;color:#bae6fd;
  background:rgba(37,99,235,.2);border:1px solid var(--stroke-strong);
}
.hero h1{
  margin-top:18px;font-size:clamp(27px,4vw,48px);line-height:1.16;
  background:linear-gradient(120deg,#ffffff 8%,#93c5fd 58%,#38bdf8 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{margin-top:18px;color:var(--text-soft);font-size:16px;line-height:1.72}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.stat-pill{
  padding:12px 16px;border-radius:14px;min-width:120px;
  background:rgba(255,255,255,.045);border:1px solid var(--stroke);
}
.stat-pill b{display:block;font-size:19px;color:#fff}
.stat-pill span{font-size:12px;color:var(--text-mute);letter-spacing:.05em}
.hero-note{margin-top:16px;font-size:13px;color:var(--text-dim)}
.btn{
  display:inline-flex;align-items:center;gap:9px;
  padding:14px 26px;border-radius:14px;font-weight:800;font-size:15px;
  cursor:pointer;border:1px solid transparent;transition:.22s ease;
}
.btn-primary{
  color:#04122b;background:linear-gradient(135deg,#38bdf8,#2563eb);
  box-shadow:0 0 26px rgba(56,189,248,.5);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 38px rgba(56,189,248,.75);color:#04122b}
.btn-ghost{color:var(--text);background:rgba(255,255,255,.05);border-color:var(--stroke-strong)}
.btn-ghost:hover{background:rgba(56,189,248,.14);transform:translateY(-2px);color:#fff}
/* hero side panel */
.side-panel{padding:24px}
.side-panel h3{margin:0 0 16px;font-size:17px;color:#fff}
.step-line{display:flex;gap:14px;padding:12px 0;border-bottom:1px dashed rgba(56,189,248,.18)}
.step-line:last-child{border-bottom:0}
.step-line .num{
  width:32px;height:32px;border-radius:10px;flex:0 0 auto;display:grid;place-items:center;
  font-weight:900;font-size:14px;color:#04122b;
  background:linear-gradient(135deg,#38bdf8,#2563eb);box-shadow:0 0 16px rgba(56,189,248,.5);
}
.step-line b{display:block;font-size:14.5px;color:#fff}
.step-line span{font-size:13.5px;color:var(--text-soft)}
/* ---------- METRIC BOARD ---------- */
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.metric{
  padding:22px;border-radius:var(--radius-m);
  background:linear-gradient(160deg,rgba(20,42,84,.55),rgba(8,18,41,.7));
  border:1px solid var(--stroke);
}
.metric i{font-size:20px;color:var(--brand-2)}
.metric b{display:block;margin-top:12px;font-size:26px;color:#fff;line-height:1.1}
.metric span{display:block;margin-top:8px;font-size:13.5px;color:var(--text-mute);line-height:1.6}
/* ---------- SERVICE / LINK MATRIX ---------- */
.matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.matrix-card{
  padding:24px;border-radius:var(--radius-m);
  background:var(--glass-2);border:1px solid var(--stroke);
  transition:.25s ease;position:relative;overflow:hidden;
}
.matrix-card:hover{transform:translateY(-4px);border-color:var(--stroke-strong);box-shadow:0 0 34px -12px var(--glow-2)}
.matrix-card .tag{
  position:absolute;top:16px;right:16px;
  padding:4px 11px;border-radius:999px;font-size:11px;font-weight:800;letter-spacing:.1em;
  text-transform:uppercase;color:#04122b;background:linear-gradient(135deg,#38bdf8,#60a5fa);
}
.matrix-card h3{margin:0 0 10px;font-size:17.5px;color:#fff;padding-right:78px}
.matrix-card p{margin:0 0 16px;font-size:14px;color:var(--text-soft);line-height:1.7}
.matrix-card ul{margin:0;padding:0;list-style:none}
.matrix-card li{display:flex;gap:9px;font-size:13.6px;color:var(--text-mute);padding:5px 0}
.matrix-card li i{color:var(--ok);margin-top:4px}
/* ---------- COMPARE TABLE ---------- */
.compare{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.compare-col{padding:24px;border-radius:var(--radius-m);border:1px solid var(--stroke);background:var(--glass-2)}
.compare-col.good{border-color:rgba(34,197,94,.42);background:linear-gradient(160deg,rgba(20,60,44,.42),rgba(8,18,41,.72))}
.compare-col.bad{border-color:rgba(239,68,68,.38);background:linear-gradient(160deg,rgba(60,20,26,.4),rgba(8,18,41,.72))}
.compare-col h3{margin:0 0 16px;font-size:17px;color:#fff;display:flex;align-items:center;gap:10px}
.compare-col.good h3 i{color:var(--ok)}
.compare-col.bad h3 i{color:#ef4444}
.compare-col ul{margin:0;padding:0;list-style:none}
.compare-col li{padding:9px 0;font-size:14px;color:var(--text-soft);border-bottom:1px dashed rgba(148,163,184,.16);display:flex;gap:10px}
.compare-col li:last-child{border-bottom:0}
.compare-col.good li i{color:var(--ok);margin-top:4px}
.compare-col.bad li i{color:#ef4444;margin-top:4px}
/* ---------- TIMELINE ---------- */
.timeline{position:relative;padding-left:28px}
.timeline::before{content:"";position:absolute;left:8px;top:6px;bottom:6px;width:2px;background:linear-gradient(180deg,var(--brand-2),transparent)}
.tl-item{position:relative;padding:0 0 26px 22px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-28px;top:5px;width:16px;height:16px;border-radius:50%;
  background:linear-gradient(135deg,#38bdf8,#2563eb);box-shadow:0 0 16px rgba(56,189,248,.75);
}
.tl-item b{display:block;font-size:16px;color:#fff}
.tl-item span{display:block;margin-top:5px;font-size:14px;color:var(--text-soft);line-height:1.7}
/* ---------- CMS LIST ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.post-card{
  display:flex;flex-direction:column;overflow:hidden;border-radius:var(--radius-m);
  background:var(--glass-2);border:1px solid var(--stroke);transition:.25s ease;
}
.post-card:hover{transform:translateY(-4px);border-color:var(--stroke-strong);box-shadow:0 0 30px -14px var(--glow-2)}
.post-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-2)}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.post-card:hover .post-thumb img{transform:scale(1.06)}
.post-body{padding:18px 20px 22px;display:flex;flex-direction:column;flex:1}
.post-meta{font-size:12px;color:var(--text-dim);letter-spacing:.06em;text-transform:uppercase;margin-bottom:9px}
.post-body h3{margin:0 0 10px;font-size:16.5px;line-height:1.4}
.post-body h3 a{color:#fff}
.post-body h3 a:hover{color:var(--brand-2)}
.post-body p{margin:0;font-size:13.8px;color:var(--text-mute);line-height:1.7;flex:1}
.more-row{margin-top:30px;display:flex;justify-content:flex-start}
/* ---------- TRUST / GUARANTEE ---------- */
.trust-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.trust-card{padding:24px;border-radius:var(--radius-m);border:1px solid var(--stroke);background:var(--glass-2)}
.trust-card i{font-size:22px;color:var(--brand-2)}
.trust-card b{display:block;margin:14px 0 8px;font-size:16px;color:#fff}
.trust-card p{margin:0;font-size:14px;color:var(--text-soft);line-height:1.7}
/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px}
.faq-item{
  border-radius:var(--radius-m);border:1px solid var(--stroke);background:var(--glass-2);
  padding:0 22px;transition:.25s ease;
}
.faq-item[open]{border-color:var(--stroke-strong);box-shadow:0 0 28px -16px var(--glow-2)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 0;display:flex;align-items:center;gap:12px;
  font-size:16px;font-weight:700;color:#fff;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary i.fa-circle-question{color:var(--brand-2)}
.faq-item summary::after{
  content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;
  margin-left:auto;color:var(--brand-2);font-size:13px;transition:transform .25s ease;
}
.faq-item[open] summary::after{transform:rotate(180deg)}
.faq-item p{margin:0 0 20px;font-size:14.3px;color:var(--text-soft);line-height:1.75}
/* ---------- CTA / FORM ---------- */
.cta-wrap{
  padding:34px;border-radius:var(--radius-l);
  background:linear-gradient(140deg,rgba(37,99,235,.35),rgba(8,18,41,.85));
  border:1px solid var(--stroke-strong);box-shadow:var(--shadow-2);
}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:center}
.cta-grid h2{margin:0 0 12px;font-size:clamp(21px,2.6vw,30px);color:#fff;line-height:1.25}
.cta-grid p{margin:0 0 18px;color:var(--text-soft);font-size:14.6px;line-height:1.7}
.cta-points{list-style:none;margin:0;padding:0}
.cta-points li{display:flex;gap:10px;font-size:14px;color:var(--text-soft);padding:6px 0}
.cta-points li i{color:var(--ok);margin-top:4px}
.form-box{
  padding:24px;border-radius:var(--radius-m);
  background:rgba(3,7,18,.66);border:1px solid var(--stroke);
}
.form-box label{display:block;font-size:13px;font-weight:700;color:var(--text-soft);margin:0 0 7px}
.form-box input,.form-box select{
  width:100%;padding:12px 14px;margin-bottom:15px;border-radius:12px;
  background:rgba(255,255,255,.05);border:1px solid var(--stroke);color:#fff;font-size:14px;
  transition:.2s ease;
}
.form-box input:focus,.form-box select:focus{
  outline:none;border-color:var(--brand-2);box-shadow:0 0 0 3px rgba(56,189,248,.22);
}
.form-box .btn{width:100%;justify-content:center}
.form-note{margin:12px 0 0;font-size:12.4px;color:var(--text-dim);line-height:1.6}
/* ---------- FAB ---------- */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:60;
  width:56px;height:56px;border-radius:999px;
  display:grid;place-items:center;
  background:rgba(7,7,13,.82);backdrop-filter:blur(12px);
  border:2px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.9),rgba(7,7,13,.9)),linear-gradient(135deg,#38bdf8,#2563eb);
  background-origin:border-box;background-clip:padding-box,border-box;
  color:#38bdf8;font-size:20px;
  box-shadow:0 0 20px rgba(6,182,212,.45);
  opacity:.78;transition:.25s ease;
}
.fab:hover{opacity:1;transform:scale(1.1);box-shadow:0 0 32px rgba(6,182,212,.7);color:#7dd3fc}
.fab:active{transform:scale(.95)}
.fab .dot{
  position:absolute;top:-2px;right:-2px;width:12px;height:12px;border-radius:50%;
  background:#ec4899;box-shadow:0 0 10px #ec4899;animation:fabPulse 1.6s infinite;
}
@keyframes fabPulse{0%,100%{opacity:1}50%{opacity:.35}}
/* ---------- FOOTER ---------- */
.site-footer{
  margin-top:20px;padding:56px 0 26px;
  background:linear-gradient(180deg,rgba(3,7,18,.4),rgba(3,7,18,.95));
  border-top:1px solid rgba(56,189,248,.16);
}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:30px}
.foot-grid .brand{margin-bottom:16px}
.foot-grid p{font-size:13.6px;color:var(--text-mute);line-height:1.72;margin:0 0 16px}
.foot-grid h4{margin:0 0 14px;font-size:14px;letter-spacing:.08em;text-transform:uppercase;color:#fff}
.foot-grid ul{margin:0;padding:0;list-style:none}
.foot-grid li{padding:5px 0}
.foot-grid li a{font-size:14px;color:var(--text-mute)}
.foot-grid li a:hover{color:var(--brand-2)}
.badges{display:flex;flex-wrap:wrap;gap:8px}
.badge{
  padding:5px 12px;border-radius:999px;font-size:11.5px;font-weight:800;letter-spacing:.08em;
  text-transform:uppercase;color:#bae6fd;background:rgba(37,99,235,.18);border:1px solid var(--stroke);
}
.foot-bottom{
  margin-top:34px;padding-top:20px;border-top:1px solid rgba(56,189,248,.14);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:12.8px;color:var(--text-dim);
}
/* ---------- RESPONSIVE ---------- */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:26px}
  .metric-grid{grid-template-columns:repeat(2,1fr)}
  .matrix{grid-template-columns:repeat(2,1fr)}
  .post-grid{grid-template-columns:repeat(2,1fr)}
  .trust-grid{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
  .cta-grid{grid-template-columns:1fr;gap:24px}
}
@media (max-width:860px){
  .main-nav{
    position:absolute;top:70px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:2px;
    padding:14px 20px 20px;
    background:rgba(3,7,18,.98);backdrop-filter:blur(18px);
    border-bottom:1px solid rgba(56,189,248,.2);
    display:none;
  }
  .main-nav.is-open{display:flex}
  .main-nav a{padding:12px 14px;font-size:15px}
  .nav-toggle{display:grid;place-items:center}
  .nav-actions{margin-left:auto}
}
@media (max-width:768px){
  .section{padding:48px 0}
  .metric-grid{grid-template-columns:1fr 1fr}
  .matrix{grid-template-columns:1fr}
  .compare{grid-template-columns:1fr}
  .post-grid{grid-template-columns:1fr}
  .trust-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .foot-bottom{flex-direction:column}
}
@media (max-width:520px){
  .brand-text b{font-size:13.5px}
  .brand-text span{font-size:10px}
  .btn-login{padding:8px 12px;font-size:13px}
  .btn-signup{padding:9px 15px;font-size:13px}
  .hero{padding:38px 0 30px}
  .hero-stats{gap:10px}
  .stat-pill{min-width:104px;padding:10px 13px}
  .metric-grid{grid-template-columns:1fr}
  .section-head h2{font-size:22px}
  .cta-wrap{padding:24px 18px}
  .fab{width:52px;height:52px;bottom:88px;left:12px}
}

/* roulang page: category3 */
:root{
  --bg-0:#030712;
  --bg-1:#081229;
  --bg-2:#0d1b3a;
  --glass:rgba(15,32,66,.62);
  --glass-2:rgba(20,42,84,.5);
  --stroke:rgba(56,189,248,.22);
  --stroke-strong:rgba(56,189,248,.5);
  --brand:#2563eb;
  --brand-2:#38bdf8;
  --brand-3:#60a5fa;
  --glow:rgba(37,99,235,.45);
  --glow-2:rgba(56,189,248,.4);
  --text:#f8fafc;
  --text-soft:#cbd5e1;
  --text-mute:#94a3b8;
  --text-dim:#64748b;
  --ok:#22c55e;
  --warn:#fbbf24;
  --radius-s:10px;
  --radius-m:16px;
  --radius-l:24px;
  --shadow-1:0 10px 30px -12px rgba(2,8,20,.9);
  --shadow-2:0 22px 55px -20px rgba(6,20,50,.95);
  --container:1200px;
  --font:"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  color:var(--text);
  background:
    radial-gradient(1100px 620px at 82% -8%, rgba(37,99,235,.28), transparent 60%),
    radial-gradient(900px 520px at 4% 12%, rgba(56,189,248,.16), transparent 62%),
    linear-gradient(180deg,var(--bg-0),var(--bg-1) 42%,var(--bg-0));
  background-attachment:fixed;
  line-height:1.65;
  font-size:16px;
  letter-spacing:.01em;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;border-radius:var(--radius-s)}
a{color:var(--brand-3);text-decoration:none;transition:color .2s ease,opacity .2s ease}
a:hover,a:focus{color:var(--brand-2)}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--brand-2);outline-offset:2px}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{line-height:1.25;margin:0;font-weight:800;color:var(--text)}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
/* ---------- HEADER ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  backdrop-filter:blur(16px);
  background:linear-gradient(180deg,rgba(3,7,18,.94),rgba(3,7,18,.76));
  border-bottom:1px solid rgba(56,189,248,.16);
  box-shadow:0 12px 34px -26px rgba(0,0,0,.95);
}
.nav-wrap{display:flex;align-items:center;gap:18px;min-height:70px}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.brand-mark{
  width:42px;height:42px;border-radius:12px;flex:0 0 auto;
  display:grid;place-items:center;
  background:linear-gradient(140deg,#1d4ed8,#38bdf8);
  box-shadow:0 0 22px rgba(56,189,248,.5),inset 0 0 0 1px rgba(255,255,255,.28);
  color:#04122b;font-weight:900;font-size:19px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text b{font-size:15px;font-weight:800;color:var(--text)}
.brand-text span{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--brand-2)}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto;flex-wrap:wrap}
.main-nav a{
  padding:9px 13px;border-radius:10px;font-size:14px;font-weight:600;
  color:var(--text-soft);white-space:nowrap;transition:.2s ease;
}
.main-nav a:hover{color:#fff;background:rgba(56,189,248,.12)}
.main-nav a.is-active{color:#fff;background:rgba(37,99,235,.28);box-shadow:inset 0 0 0 1px var(--stroke-strong)}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.btn-login{
  padding:9px 16px;border-radius:999px;font-size:14px;font-weight:700;
  color:var(--brand-2);background:transparent;border:1px solid rgba(56,189,248,.45);
}
.btn-login:hover{background:rgba(56,189,248,.12);color:#fff}
.btn-signup{
  padding:10px 20px;border-radius:999px;font-size:14px;font-weight:800;
  color:#04122b;background:linear-gradient(135deg,#38bdf8,#2563eb);
  box-shadow:0 0 20px rgba(56,189,248,.45);
  border:none;cursor:pointer;
}
.btn-signup:hover{box-shadow:0 0 30px rgba(56,189,248,.7);transform:translateY(-1px)}
.nav-toggle{
  display:none;background:transparent;border:1px solid var(--stroke);border-radius:10px;
  width:42px;height:42px;color:var(--text);font-size:18px;cursor:pointer;
}
/* ---------- HERO ---------- */
.hero{position:relative;padding:56px 0 52px;overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/c93b4af255a13bd4.jpg') center/cover no-repeat;
  opacity:.22;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(3,7,18,.97) 0%,rgba(3,7,18,.78) 48%,rgba(3,7,18,.46) 100%);
}
.hero .container{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:38px;align-items:start}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 15px;border-radius:999px;font-size:12px;font-weight:800;
  letter-spacing:.12em;text-transform:uppercase;color:#bae6fd;
  background:rgba(37,99,235,.2);border:1px solid var(--stroke-strong);
}
.hero h1{
  margin-top:18px;font-size:clamp(27px,4vw,46px);line-height:1.18;
  background:linear-gradient(120deg,#ffffff 8%,#93c5fd 58%,#38bdf8 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{margin-top:18px;max-width:640px;color:var(--text-soft);font-size:16px;line-height:1.7}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-note{margin-top:16px;font-size:13px;color:var(--text-mute);display:flex;flex-wrap:wrap;gap:16px}
.hero-note span{display:inline-flex;align-items:center;gap:7px}
.hero-note i{color:var(--brand-2)}
/* ring + tiers panel */
.hero-panel{
  padding:26px;border-radius:var(--radius-l);
  background:linear-gradient(160deg,rgba(20,42,84,.66),rgba(6,14,32,.72));
  border:1px solid var(--stroke);backdrop-filter:blur(14px);
  box-shadow:var(--shadow-2);
}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:20px}
.panel-head h2{font-size:16px;letter-spacing:.02em}
.panel-head span{font-size:12px;color:var(--text-mute);text-transform:uppercase;letter-spacing:.12em}
.ring-row{display:flex;align-items:center;gap:22px}
.ring{
  width:138px;height:138px;flex:0 0 auto;border-radius:50%;
  background:conic-gradient(#38bdf8 0deg 352.8deg, rgba(255,255,255,.08) 352.8deg 360deg);
  display:grid;place-items:center;
  box-shadow:0 0 34px rgba(56,189,248,.35);
}
.ring-inner{
  width:108px;height:108px;border-radius:50%;
  background:radial-gradient(circle at 50% 30%,rgba(13,27,58,.98),rgba(3,7,18,.98));
  display:grid;place-items:center;text-align:center;border:1px solid rgba(56,189,248,.25);
}
.ring-inner b{font-size:26px;color:#e2f3ff;display:block;line-height:1}
.ring-inner span{font-size:10.5px;color:var(--text-mute);letter-spacing:.06em;text-transform:uppercase;display:block;margin-top:5px}
.ring-copy{font-size:14px;color:var(--text-soft)}
.ring-copy b{color:#fff;display:block;font-size:15px;margin-bottom:6px}
.tier-mini{display:grid;gap:10px;margin-top:22px}
.tier-mini-item{
  display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:var(--radius-s);
  background:rgba(255,255,255,.04);border:1px solid rgba(56,189,248,.18);
  transition:.22s ease;
}
.tier-mini-item:hover{border-color:var(--brand-2);background:rgba(56,189,248,.12);transform:translateX(4px)}
.tier-mini-item i{color:var(--brand-2);font-size:17px;width:22px;text-align:center}
.tier-mini-item b{font-size:14px;display:block}
.tier-mini-item small{color:var(--text-mute);font-size:12px;display:block}
.tier-mini-item .mini-tag{margin-left:auto;font-size:11px;font-weight:800;color:#04122b;background:linear-gradient(135deg,#7dd3fc,#38bdf8);padding:3px 9px;border-radius:999px;white-space:nowrap}
/* ---------- SECTION BASE ---------- */
.section{padding:64px 0;position:relative}
.section.alt{background:linear-gradient(180deg,rgba(8,18,41,.72),rgba(3,7,18,.2));border-top:1px solid rgba(56,189,248,.1);border-bottom:1px solid rgba(56,189,248,.1)}
.section-head{max-width:760px;margin-bottom:34px}
.section-head .kicker{
  display:inline-block;font-size:11.5px;font-weight:800;letter-spacing:.16em;text-transform:uppercase;
  color:var(--brand-2);margin-bottom:12px;
}
.section-head h2{font-size:clamp(22px,2.6vw,32px);line-height:1.28}
.section-head p{margin-top:14px;color:var(--text-mute);font-size:15.5px;line-height:1.7}
.card{
  padding:24px;border-radius:var(--radius-m);
  background:linear-gradient(160deg,rgba(20,42,84,.55),rgba(6,14,32,.68));
  border:1px solid var(--stroke);
  backdrop-filter:blur(12px);
  box-shadow:var(--shadow-1);
  transition:.25s ease;
}
.card:hover{border-color:var(--stroke-strong);transform:translateY(-4px);box-shadow:0 18px 40px -22px rgba(56,189,248,.55)}
.btn{
  display:inline-flex;align-items:center;gap:9px;
  padding:13px 24px;border-radius:14px;font-weight:800;font-size:15px;
  cursor:pointer;border:1px solid transparent;transition:.22s ease;
}
.btn-primary{color:#04122b;background:linear-gradient(135deg,#38bdf8,#2563eb);box-shadow:0 0 26px rgba(56,189,248,.5)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 38px rgba(56,189,248,.75);color:#04122b}
.btn-ghost{color:var(--text);background:rgba(255,255,255,.05);border-color:var(--stroke-strong)}
.btn-ghost:hover{background:rgba(56,189,248,.14);transform:translateY(-2px);color:#fff}
.btn-block{width:100%;justify-content:center}
.tag{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;font-size:12px;font-weight:700;background:rgba(56,189,248,.14);border:1px solid var(--stroke);color:#bae6fd}
.tag.ok{background:rgba(34,197,94,.16);border-color:rgba(34,197,94,.45);color:#bbf7d0}
.tag.warn{background:rgba(251,191,36,.14);border-color:rgba(251,191,36,.4);color:#fde68a}
/* ---------- METRICS ---------- */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.metric{
  padding:22px 20px;border-radius:var(--radius-m);
  background:linear-gradient(165deg,rgba(20,42,84,.6),rgba(6,14,32,.7));
  border:1px solid var(--stroke);position:relative;overflow:hidden;
  transition:.25s ease;
}
.metric::after{content:"";position:absolute;left:0;top:0;height:2px;width:100%;background:linear-gradient(90deg,transparent,var(--brand-2),transparent);opacity:.6}
.metric:hover{transform:translateY(-3px);border-color:var(--stroke-strong)}
.metric b{display:block;font-size:clamp(22px,2.6vw,30px);color:#e2f3ff;line-height:1.1}
.metric span{display:block;margin-top:8px;font-size:13px;color:var(--text-mute);line-height:1.5}
/* ---------- TIERS ---------- */
.tiers{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.tier{
  padding:28px 24px;border-radius:var(--radius-l);position:relative;
  background:linear-gradient(165deg,rgba(20,42,84,.6),rgba(6,14,32,.74));
  border:1px solid var(--stroke);backdrop-filter:blur(12px);
  transition:.25s ease;display:flex;flex-direction:column;
}
.tier:hover{transform:translateY(-5px);border-color:var(--stroke-strong);box-shadow:0 22px 48px -26px rgba(56,189,248,.7)}
.tier.is-hot{border-color:var(--stroke-strong);box-shadow:0 0 34px -8px rgba(56,189,248,.5)}
.tier-flag{
  position:absolute;top:-12px;left:22px;padding:4px 12px;border-radius:999px;
  font-size:11px;font-weight:900;letter-spacing:.1em;text-transform:uppercase;
  color:#04122b;background:linear-gradient(135deg,#7dd3fc,#38bdf8);
}
.tier-ico{font-size:26px;color:var(--brand-2);margin-bottom:14px}
.tier h3{font-size:19px}
.tier .tier-sub{font-size:13px;color:var(--text-mute);margin-top:6px}
.tier ul{margin-top:18px;display:grid;gap:10px}
.tier ul li{display:flex;gap:10px;font-size:14px;color:var(--text-soft);line-height:1.55}
.tier ul li i{color:var(--ok);margin-top:4px;font-size:13px}
.tier .tier-foot{margin-top:22px;padding-top:18px;border-top:1px solid rgba(56,189,248,.16);display:flex;flex-direction:column;gap:12px}
.tier .tier-meta{font-size:12.5px;color:var(--text-mute)}
/* ---------- FEATURES ---------- */
.features{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.feature{padding:24px}
.feature i{font-size:20px;color:var(--brand-2);display:inline-grid;place-items:center;width:44px;height:44px;border-radius:12px;background:rgba(37,99,235,.22);border:1px solid var(--stroke);margin-bottom:16px}
.feature h3{font-size:17px;margin-bottom:10px}
.feature p{font-size:14.5px;color:var(--text-mute);line-height:1.65}
/* ---------- DEVICES ---------- */
.devices{display:grid;grid-template-columns:.95fr 1.05fr;gap:34px;align-items:start}
.device-list{display:grid;gap:14px}
.device-item{
  display:flex;gap:14px;padding:18px 20px;border-radius:var(--radius-m);
  background:rgba(255,255,255,.035);border:1px solid rgba(56,189,248,.16);
  transition:.22s ease;
}
.device-item:hover{border-color:var(--brand-2);background:rgba(56,189,248,.1)}
.device-item i{color:var(--brand-2);font-size:19px;margin-top:3px}
.device-item b{display:block;font-size:15px}
.device-item span{display:block;margin-top:5px;font-size:13.5px;color:var(--text-mute);line-height:1.6}
.device-media{border-radius:var(--radius-l);overflow:hidden;border:1px solid var(--stroke);box-shadow:var(--shadow-2);position:relative}
.device-media img{width:100%;height:100%;object-fit:cover;border-radius:0}
.device-media figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:16px 18px;font-size:13px;color:#e2f3ff;
  background:linear-gradient(180deg,rgba(3,7,18,0),rgba(3,7,18,.92));
}
/* ---------- COMPARE ---------- */
.compare-wrap{overflow-x:auto;border-radius:var(--radius-m);border:1px solid var(--stroke);background:rgba(4,10,24,.6)}
table.compare{width:100%;border-collapse:collapse;min-width:640px}
table.compare th,table.compare td{padding:15px 18px;text-align:left;font-size:14.5px;border-bottom:1px solid rgba(56,189,248,.12)}
table.compare thead th{font-size:12.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--text-mute);background:rgba(37,99,235,.14)}
table.compare tbody th{font-weight:700;color:#e2f3ff;width:31%}
table.compare td{color:var(--text-soft)}
table.compare tbody tr:last-child th,table.compare tbody tr:last-child td{border-bottom:none}
table.compare tbody tr:hover{background:rgba(56,189,248,.06)}
.mark-yes{color:#7ee2a8;font-weight:700}
.mark-no{color:#fca5a5;font-weight:700}
/* ---------- TIMELINE ---------- */
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.step{
  padding:24px 22px;border-radius:var(--radius-m);position:relative;
  background:linear-gradient(165deg,rgba(20,42,84,.52),rgba(6,14,32,.66));
  border:1px solid var(--stroke);transition:.25s ease;
}
.step:hover{transform:translateY(-4px);border-color:var(--stroke-strong)}
.step-no{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  font-weight:900;font-size:15px;color:#04122b;
  background:linear-gradient(135deg,#7dd3fc,#2563eb);box-shadow:0 0 18px rgba(56,189,248,.45);
}
.step h3{margin-top:16px;font-size:16.5px}
.step p{margin-top:9px;font-size:14px;color:var(--text-mute);line-height:1.62}
.step .step-time{margin-top:14px;font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--brand-2)}
/* ---------- POSTS ---------- */
.posts{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.post-card{
  border-radius:var(--radius-m);overflow:hidden;display:flex;flex-direction:column;
  background:linear-gradient(165deg,rgba(20,42,84,.5),rgba(6,14,32,.66));
  border:1px solid var(--stroke);transition:.25s ease;
}
.post-card:hover{transform:translateY(-4px);border-color:var(--stroke-strong);box-shadow:0 20px 44px -24px rgba(56,189,248,.6)}
.post-thumb{display:block;aspect-ratio:16/9;overflow:hidden;background:rgba(3,7,18,.6)}
.post-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .4s ease}
.post-card:hover .post-thumb img{transform:scale(1.06)}
.post-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-cat{font-size:11px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--brand-2)}
.post-body h3{font-size:16px;line-height:1.45}
.post-body h3 a{color:#e8f4ff}
.post-body h3 a:hover{color:var(--brand-2)}
.post-body p{font-size:13.8px;color:var(--text-mute);line-height:1.6}
.post-date{margin-top:auto;font-size:12.5px;color:var(--text-dim)}
.post-empty{padding:26px;border-radius:var(--radius-m);border:1px dashed rgba(56,189,248,.35);color:var(--text-mute);font-size:14px;text-align:left}
.post-more{margin-top:28px}
/* ---------- GUARDS ---------- */
.guards{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.guard{padding:22px 20px;border-radius:var(--radius-m);border:1px solid var(--stroke);background:rgba(255,255,255,.03);transition:.25s ease}
.guard:hover{border-color:var(--stroke-strong);background:rgba(56,189,248,.08);transform:translateY(-3px)}
.guard i{font-size:19px;color:var(--brand-2)}
.guard b{display:block;margin-top:13px;font-size:15px}
.guard span{display:block;margin-top:8px;font-size:13.5px;color:var(--text-mute);line-height:1.6}
/* ---------- FAQ ---------- */
.faq{display:grid;gap:12px;max-width:920px}
.faq details{
  border-radius:var(--radius-m);border:1px solid var(--stroke);
  background:rgba(255,255,255,.035);transition:.22s ease;overflow:hidden;
}
.faq details[open]{border-color:var(--stroke-strong);background:rgba(37,99,235,.12)}
.faq summary{
  cursor:pointer;padding:18px 22px;font-weight:700;font-size:15.5px;color:#e8f4ff;
  display:flex;align-items:center;gap:12px;list-style:none;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;margin-left:auto;font-size:12px;color:var(--brand-2);transition:transform .25s ease}
.faq details[open] summary::after{transform:rotate(180deg)}
.faq summary:hover{color:#fff}
.faq .faq-body{padding:0 22px 20px;font-size:14.5px;color:var(--text-mute);line-height:1.7}
/* ---------- FORM ---------- */
.convert{display:grid;grid-template-columns:1.02fr .98fr;gap:34px;align-items:start}
.convert-info h2{font-size:clamp(22px,2.5vw,30px)}
.convert-info>p{margin-top:14px;color:var(--text-mute);font-size:15px;line-height:1.7}
.convert-points{margin-top:24px;display:grid;gap:12px}
.convert-points li{display:flex;gap:12px;font-size:14.5px;color:var(--text-soft)}
.convert-points li i{color:var(--ok);margin-top:4px}
.form-card{
  padding:28px;border-radius:var(--radius-l);
  background:linear-gradient(165deg,rgba(20,42,84,.62),rgba(6,14,32,.76));
  border:1px solid var(--stroke-strong);backdrop-filter:blur(14px);box-shadow:var(--shadow-2);
}
.form-card h3{font-size:19px}
.form-card .form-sub{margin-top:8px;font-size:13.5px;color:var(--text-mute)}
.field{margin-top:18px}
.field label{display:block;font-size:13px;font-weight:700;color:var(--text-soft);margin-bottom:8px}
.field input,.field select{
  width:100%;padding:13px 15px;border-radius:var(--radius-s);
  background:rgba(3,7,18,.7);border:1px solid rgba(56,189,248,.28);color:var(--text);
  transition:.2s ease;font-size:14.5px;
}
.field input::placeholder{color:var(--text-dim)}
.field input:hover,.field select:hover{border-color:var(--stroke-strong)}
.field input:focus,.field select:focus{border-color:var(--brand-2);box-shadow:0 0 0 3px rgba(56,189,248,.18);outline:none}
.form-card .btn{margin-top:22px}
.form-hint{margin-top:14px;font-size:12.5px;color:var(--text-dim);line-height:1.6}
.form-message{margin-top:16px;font-size:14px;font-weight:600;color:#7ee2a8;display:none}
.form-message.is-on{display:block}
/* ---------- FOOTER ---------- */
.site-footer{
  margin-top:20px;padding:56px 0 26px;
  background:linear-gradient(180deg,rgba(3,7,18,.4),rgba(3,7,18,.95));
  border-top:1px solid rgba(56,189,248,.16);
}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:30px}
.foot-grid h4{font-size:14px;letter-spacing:.06em;text-transform:uppercase;color:#dbeafe;margin-bottom:16px}
.foot-grid p{margin-top:16px;font-size:13.5px;color:var(--text-mute);line-height:1.7}
.foot-grid ul{display:grid;gap:10px}
.foot-grid ul a{font-size:13.8px;color:var(--text-soft)}
.foot-grid ul a:hover{color:var(--brand-2)}
.site-footer .brand{margin-bottom:4px}
.site-footer .brand-text b{color:#fff}
.badges{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.badges .badge{
  padding:5px 12px;border-radius:999px;font-size:11.5px;font-weight:800;letter-spacing:.08em;
  color:#bae6fd;background:rgba(56,189,248,.12);border:1px solid var(--stroke);
}
.foot-bottom{
  margin-top:38px;padding-top:22px;border-top:1px solid rgba(56,189,248,.14);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:12.5px;color:var(--text-dim);
}
/* ---------- FAB ---------- */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  display:inline-flex;align-items:center;gap:10px;
  padding:12px 18px;min-height:52px;border-radius:999px;
  background:rgba(3,7,18,.86);backdrop-filter:blur(12px);
  border:2px solid transparent;
  background-image:linear-gradient(rgba(3,7,18,.9),rgba(3,7,18,.9)),linear-gradient(135deg,#38bdf8,#22d3ee,#2563eb);
  background-origin:border-box;background-clip:padding-box,border-box;
  color:#e2f3ff;font-size:13.5px;font-weight:800;
  box-shadow:0 0 22px rgba(56,189,248,.45);
  opacity:.82;transition:opacity .25s ease,transform .25s ease,box-shadow .25s ease;
}
.fab i{font-size:16px;color:#7dd3fc}
.fab:hover{opacity:1;transform:translateY(-3px) scale(1.03);box-shadow:0 0 34px rgba(56,189,248,.7);color:#fff}
.fab:active{transform:scale(.96) translateY(1px)}
.fab .fab-dot{
  position:absolute;top:-3px;right:-3px;width:11px;height:11px;border-radius:50%;
  background:#f43f5e;box-shadow:0 0 0 2px rgba(3,7,18,.9);animation:pulseDot 1.6s infinite;
}
@keyframes pulseDot{0%,100%{transform:scale(1);opacity:1}50%{transform:scale(1.35);opacity:.65}}
@keyframes floatSoft{0%,100%{transform:translateY(0)}50%{transform:translateY(-5px)}}
.fab{animation:floatSoft 4.2s ease-in-out infinite}
/* ---------- RESPONSIVE ---------- */
@media screen and (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:30px}
  .metrics{grid-template-columns:repeat(2,1fr)}
  .tiers{grid-template-columns:1fr 1fr}
  .features{grid-template-columns:repeat(2,1fr)}
  .devices{grid-template-columns:1fr}
  .timeline{grid-template-columns:repeat(2,1fr)}
  .posts{grid-template-columns:repeat(2,1fr)}
  .guards{grid-template-columns:repeat(2,1fr)}
  .convert{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .main-nav{margin-left:0;order:3;width:100%;display:none;padding:10px 0 16px;border-top:1px solid rgba(56,189,248,.14)}
  .main-nav.is-open{display:flex}
  .nav-wrap{flex-wrap:wrap;padding:10px 0}
  .nav-actions{margin-left:auto}
  .nav-toggle{display:inline-grid;place-items:center}
}
@media screen and (max-width:768px){
  .section{padding:48px 0}
  .hero{padding:44px 0 38px}
  .ring-row{flex-direction:column;align-items:flex-start;text-align:left}
  .tiers{grid-template-columns:1fr}
  .features{grid-template-columns:1fr}
  .timeline{grid-template-columns:1fr}
  .posts{grid-template-columns:1fr}
  .guards{grid-template-columns:1fr}
  .metrics{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr;gap:26px}
  .brand-text b{font-size:13.5px}
  .brand-text span{font-size:10px;letter-spacing:.1em}
}
@media screen and (max-width:520px){
  .container{padding:0 15px}
  .hero-cta .btn{width:100%;justify-content:center}
  .metrics{grid-template-columns:1fr}
  .btn-login{padding:8px 12px;font-size:13px}
  .btn-signup{padding:9px 14px;font-size:13px}
  .brand-mark{width:38px;height:38px;font-size:17px}
  .brand-text b{max-width:172px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .fab{left:12px;bottom:82px;padding:11px 15px;font-size:12.5px}
  .foot-bottom{flex-direction:column}
}