/* roulang page: index */
:root{
  --bg:#050a18;
  --bg-2:#0a1226;
  --bg-3:#0e1a33;
  --panel:rgba(15,28,54,.72);
  --panel-solid:#0f1c36;
  --glass:rgba(20,36,68,.55);
  --line:rgba(56,189,248,.18);
  --line-strong:rgba(56,189,248,.42);
  --txt:#eaf2ff;
  --txt-soft:#9fb3d1;
  --txt-dim:#6f86a8;
  --blue:#2563eb;
  --blue-bright:#3b82f6;
  --cyan:#22d3ee;
  --cyan-soft:rgba(34,211,238,.14);
  --lime:#a3e635;
  --gold:#fbbf24;
  --danger:#f43f5e;
  --radius-s:10px;
  --radius:16px;
  --radius-l:24px;
  --shadow:0 18px 44px -22px rgba(2,8,23,.9);
  --shadow-glow:0 0 0 1px rgba(56,189,248,.2),0 18px 40px -20px rgba(34,211,238,.55);
  --tr:.28s cubic-bezier(.4,0,.2,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:
    radial-gradient(1100px 620px at 82% -8%,rgba(37,99,235,.24),transparent 62%),
    radial-gradient(900px 520px at 6% 8%,rgba(34,211,238,.14),transparent 60%),
    var(--bg);
  color:var(--txt);
  font-family:"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color var(--tr)}
a:hover{color:var(--cyan)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0 0 .6em;font-weight:800;letter-spacing:-.01em;line-height:1.24;color:#fff}
p{margin:0 0 1em;color:var(--txt-soft)}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.sec{padding:74px 0;position:relative}
.sec-alt{background:linear-gradient(180deg,rgba(10,18,38,.85),rgba(5,10,24,.35))}
.sec-title{font-size:clamp(1.5rem,3.4vw,2.2rem)}
.sec-head{max-width:760px;margin-bottom:34px}
.sec-head.left{text-align:left}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.72rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--cyan);
  background:var(--cyan-soft);
  border:1px solid var(--line);
  padding:6px 12px;border-radius:999px;margin-bottom:14px;
}
.lead{font-size:1.05rem}
.grad-txt{background:linear-gradient(96deg,var(--cyan),var(--blue-bright) 55%,#a78bfa);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent}

/* HEADER */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(5,10,24,.78);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;gap:18px;min-height:70px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:.95rem;line-height:1.15;max-width:320px;color:#fff}
.brand:hover{color:#fff}
.brand-mark{
  width:42px;height:42px;flex:0 0 42px;border-radius:13px;
  background:linear-gradient(140deg,var(--blue),var(--cyan));
  display:grid;place-items:center;font-size:1rem;font-weight:900;color:#04121f;
  box-shadow:var(--shadow-glow);
}
.brand small{display:block;font-size:.66rem;font-weight:600;letter-spacing:.12em;color:var(--cyan);text-transform:uppercase}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-links a{
  font-size:.9rem;font-weight:600;color:var(--txt-soft);
  padding:9px 13px;border-radius:10px;white-space:nowrap;
  transition:background var(--tr),color var(--tr);
}
.nav-links a:hover{background:rgba(56,189,248,.1);color:#fff}
.nav-links a.active{color:#fff;background:rgba(56,189,248,.16);box-shadow:inset 0 0 0 1px var(--line-strong)}
.nav-cta{display:flex;align-items:center;gap:10px;margin-left:8px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:700;font-size:.92rem;line-height:1;
  padding:13px 22px;border-radius:12px;border:1px solid transparent;
  cursor:pointer;transition:transform var(--tr),box-shadow var(--tr),background var(--tr),color var(--tr);
  text-align:center;
}
.btn:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}
.btn-primary{
  background:linear-gradient(120deg,var(--blue-bright),var(--cyan));
  color:#03101f;
  box-shadow:0 12px 30px -12px rgba(34,211,238,.75),inset 0 0 0 1px rgba(255,255,255,.22);
}
.btn-primary:hover{color:#03101f;transform:translateY(-2px);box-shadow:0 18px 38px -12px rgba(34,211,238,.85)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{
  background:rgba(56,189,248,.08);color:var(--txt);
  border-color:var(--line-strong);
}
.btn-ghost:hover{background:rgba(56,189,248,.16);color:#fff;transform:translateY(-2px)}
.btn-sm{padding:10px 16px;font-size:.85rem;border-radius:10px}
.nav-toggle{
  display:none;margin-left:auto;background:rgba(56,189,248,.1);
  border:1px solid var(--line-strong);color:#fff;border-radius:10px;
  width:44px;height:44px;font-size:1.05rem;
}
.mobile-menu{display:none;border-top:1px solid var(--line);background:rgba(5,10,24,.97);padding:14px 20px 20px}
.mobile-menu.open{display:block}
.mobile-menu a{display:block;padding:12px 12px;border-radius:10px;font-weight:600;color:var(--txt-soft);border-bottom:1px solid rgba(56,189,248,.08)}
.mobile-menu a.active,.mobile-menu a:hover{color:#fff;background:rgba(56,189,248,.12)}
.mobile-menu .btn{width:100%;margin-top:12px}

/* HERO */
.hero{position:relative;padding:64px 0 68px;overflow:hidden}
.hero-bg{
  position:absolute;inset:0;
  background:url('/assets/images/acbb3ec5976afe00.jpg') center/cover no-repeat;
  opacity:.22;
}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(5,10,24,.94),rgba(5,10,24,.7) 55%,rgba(5,10,24,.94))}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center}
.hero-top{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:16px}
.badge-live{
  display:inline-flex;align-items:center;gap:8px;font-size:.72rem;font-weight:700;
  letter-spacing:.1em;text-transform:uppercase;color:var(--lime);
  background:rgba(163,230,53,.1);border:1px solid rgba(163,230,53,.34);
  padding:7px 12px;border-radius:999px;
}
.badge-live i{font-size:.5rem}
.hero h1{font-size:clamp(1.72rem,4.1vw,2.9rem);margin-bottom:18px}
.hero p.lead{font-size:clamp(1rem,1.6vw,1.1rem);max-width:640px;color:#cbd9ee}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin:26px 0 22px}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;max-width:660px}
.stat{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--radius);
  padding:15px 16px;backdrop-filter:blur(10px);
}
.stat b{display:block;font-size:1.28rem;font-weight:900;color:#fff}
.stat span{font-size:.78rem;color:var(--txt-dim);letter-spacing:.04em}
.phone-stage{
  position:relative;border-radius:var(--radius-l);
  background:linear-gradient(160deg,rgba(20,36,68,.85),rgba(8,15,32,.92));
  border:1px solid var(--line-strong);
  box-shadow:var(--shadow);
  padding:20px;
}
.phone-frame{
  border-radius:20px;overflow:hidden;border:1px solid rgba(56,189,248,.3);
  background:#04091a;box-shadow:0 0 40px -14px rgba(34,211,238,.6);
}
.phone-frame img{aspect-ratio:9/14;object-fit:cover;width:100%}
.stage-list{list-style:none;margin:16px 0 0;padding:0;display:grid;gap:10px}
.stage-list li{
  display:flex;gap:10px;align-items:flex-start;font-size:.88rem;color:var(--txt-soft);
  background:rgba(34,211,238,.06);border:1px solid var(--line);border-radius:12px;padding:11px 13px;
}
.stage-list i{color:var(--lime);margin-top:3px}

/* generic card grids */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.card{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:24px;
  backdrop-filter:blur(10px);
  transition:transform var(--tr),border-color var(--tr),box-shadow var(--tr);
  height:100%;
}
.card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:var(--shadow-glow)}
.card h3{font-size:1.08rem;margin-bottom:10px}
.card p{margin:0;font-size:.92rem}
.icon-box{
  width:48px;height:48px;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(37,99,235,.36),rgba(34,211,238,.24));
  border:1px solid var(--line-strong);color:var(--cyan);font-size:1.15rem;margin-bottom:16px;
}
.num-index{font-size:.78rem;font-weight:800;letter-spacing:.18em;color:var(--cyan);display:block;margin-bottom:8px}

/* checklist */
.check-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;
  background:rgba(15,28,54,.6);border:1px solid var(--line);border-radius:14px;padding:16px 18px;
  color:var(--txt-soft);font-size:.93rem;
}
.check-list i{color:var(--lime);margin-top:3px}

/* trust badges */
.badge-row{display:flex;flex-wrap:wrap;gap:14px}
.tbadge{
  display:flex;align-items:center;gap:11px;
  background:rgba(15,28,54,.7);border:1px solid var(--line);border-radius:12px;
  padding:13px 16px;font-size:.86rem;font-weight:600;color:#d7e4f7;
}
.tbadge i{color:var(--gold);font-size:1.05rem}

/* limits / boundary */
.boundary{
  background:linear-gradient(150deg,rgba(14,26,51,.9),rgba(8,15,32,.9));
  border:1px solid var(--line);border-radius:var(--radius-l);padding:30px;
  display:grid;grid-template-columns:1fr 1fr;gap:28px;
}
.boundary h3{font-size:1.05rem;color:#fff}
.boundary ul{margin:0;padding-left:20px;color:var(--txt-soft);font-size:.92rem}
.boundary li{margin-bottom:9px}

/* news / cms */
.news-wrap{display:grid;grid-template-columns:1.5fr 1fr;gap:30px;align-items:start}
.news-list{display:grid;gap:16px}
.news-item{
  display:grid;grid-template-columns:150px 1fr;gap:18px;
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:16px;transition:border-color var(--tr),transform var(--tr);
}
.news-item:hover{border-color:var(--line-strong);transform:translateY(-3px)}
.news-thumb{width:150px;height:106px;object-fit:cover;border-radius:12px;border:1px solid var(--line)}
.news-item h3{font-size:1rem;margin-bottom:8px;line-height:1.4}
.news-item h3 a:hover{color:var(--cyan)}
.news-item p{font-size:.86rem;margin:0;color:var(--txt-dim)}
.news-meta{font-size:.74rem;letter-spacing:.06em;text-transform:uppercase;color:var(--cyan);margin-bottom:7px;font-weight:700}
.news-side{display:grid;gap:16px}
.side-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:20px;
}
.side-card h3{font-size:1rem;margin-bottom:12px}
.side-list{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.side-list li{border-bottom:1px dashed rgba(56,189,248,.16);padding-bottom:10px}
.side-list li:last-child{border-bottom:0;padding-bottom:0}
.side-list a{font-size:.9rem;font-weight:600;color:#d9e6f8;display:block}
.side-list span{font-size:.74rem;color:var(--txt-dim)}
.empty-note{color:var(--txt-dim);font-size:.9rem;font-style:italic}

/* testimonials */
.quote{background:rgba(15,28,54,.6);border:1px solid var(--line);border-radius:var(--radius);padding:22px;height:100%}
.quote p{font-size:.94rem;color:#d1ddec}
.quote-who{display:flex;align-items:center;gap:12px;margin-top:14px}
.quote-av{width:42px;height:42px;border-radius:50%;background:linear-gradient(140deg,var(--blue),var(--cyan));display:grid;place-items:center;font-weight:800;color:#04121f}
.quote-who b{display:block;font-size:.9rem;color:#fff}
.quote-who span{font-size:.76rem;color:var(--txt-dim)}

/* steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;counter-reset:step}
.step{position:relative;padding-top:14px}
.step::before{
  counter-increment:step;content:"0" counter(step);
  font-size:2.1rem;font-weight:900;color:rgba(56,189,248,.28);display:block;margin-bottom:6px;
}

/* data strip */
.data-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
  background:linear-gradient(120deg,rgba(37,99,235,.18),rgba(34,211,238,.1));
  border:1px solid var(--line-strong);border-radius:var(--radius-l);padding:26px;
}
.data-strip .dl b{font-size:1.6rem;font-weight:900;color:#fff;display:block}
.data-strip .dl span{font-size:.82rem;color:var(--txt-dim)}

/* faq */
.faq-item{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  margin-bottom:14px;overflow:hidden;
}
.faq-q{
  width:100%;text-align:left;background:none;border:0;color:#fff;
  font-size:1rem;font-weight:700;padding:20px 52px 20px 22px;position:relative;cursor:pointer;
}
.faq-q::after{
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;right:22px;top:50%;transform:translateY(-50%);
  color:var(--cyan);font-size:.85rem;transition:transform var(--tr);
}
.faq-item.open .faq-q::after{content:"\f068"}
.faq-a{display:none;padding:0 22px 20px;color:var(--txt-soft);font-size:.94rem}
.faq-item.open .faq-a{display:block}

/* final cta */
.cta-band{
  position:relative;border-radius:var(--radius-l);overflow:hidden;
  border:1px solid var(--line-strong);
  background:url('/assets/images/1040b41be6b560ca.jpg') center/cover no-repeat;
}
.cta-band::before{content:"";position:absolute;inset:0;background:linear-gradient(110deg,rgba(4,9,22,.95),rgba(6,15,36,.78))}
.cta-inner{position:relative;z-index:2;padding:44px;display:grid;grid-template-columns:1.3fr .7fr;gap:26px;align-items:center}
.cta-inner h2{font-size:clamp(1.4rem,2.7vw,1.95rem);margin-bottom:12px}
.cta-inner p{color:#c9d8ee;margin-bottom:0}
.cta-actions{display:flex;flex-direction:column;gap:12px}

/* footer */
.site-footer{background:linear-gradient(180deg,rgba(5,10,24,.4),#03060f);border-top:1px solid var(--line);padding:60px 0 0;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:34px;padding-bottom:36px}
.foot-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px;font-weight:800;color:#fff;font-size:.92rem;line-height:1.2}
.foot-col h4{font-size:.78rem;text-transform:uppercase;letter-spacing:.14em;color:var(--cyan);margin-bottom:16px}
.foot-col ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.foot-col a{font-size:.88rem;color:var(--txt-soft)}
.foot-col a:hover{color:#fff}
.foot-note{font-size:.82rem;color:var(--txt-dim);margin:0}
.foot-bottom{
  border-top:1px solid var(--line);padding:20px 0;display:flex;justify-content:space-between;
  gap:16px;flex-wrap:wrap;font-size:.8rem;color:var(--txt-dim);
}
.age-badge{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:9px;border:1.5px solid var(--danger);
  color:var(--danger);font-weight:900;font-size:.78rem;
}
.licence-row{display:flex;gap:16px;flex-wrap:wrap;margin-top:14px;font-size:.78rem;color:var(--txt-dim)}
.licence-row span{display:inline-flex;align-items:center;gap:7px}
.licence-row i{color:var(--gold)}

/* FAB */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:1050;
  width:58px;height:58px;border-radius:50%;
  display:grid;place-items:center;
  background:linear-gradient(150deg,rgba(7,7,13,.85),rgba(28,7,56,.85));
  border:2px solid transparent;
  background-clip:padding-box;
  color:#eaf2ff;font-size:1.15rem;
  backdrop-filter:blur(12px);
  box-shadow:0 0 22px rgba(34,211,238,.5);
  transition:transform var(--tr),opacity var(--tr),box-shadow var(--tr);
  opacity:.82;
  animation:fabPulse 3.4s ease-in-out infinite;
}
.fab::before{
  content:"";position:absolute;inset:-2px;border-radius:50%;
  background:linear-gradient(130deg,var(--cyan),#a78bfa 55%,var(--danger));
  z-index:-1;
}
.fab:hover{opacity:1;transform:scale(1.1);box-shadow:0 0 34px rgba(34,211,238,.75)}
.fab:active{transform:scale(.94)}
.fab .dot{
  position:absolute;top:2px;right:2px;width:13px;height:13px;border-radius:50%;
  background:var(--danger);border:2px solid #03060f;
  animation:dotBlink 1.5s infinite;
}
@keyframes fabPulse{0%,100%{box-shadow:0 0 18px rgba(34,211,238,.4)}50%{box-shadow:0 0 32px rgba(34,211,238,.75)}}
@keyframes dotBlink{0%,100%{opacity:1}50%{opacity:.35}}

/* mobile nav */
@media(max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .news-wrap{grid-template-columns:1fr}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
  .cta-inner{grid-template-columns:1fr}
}
@media(max-width:860px){
  .nav-links{display:none}
  .nav-cta{display:none}
  .nav-toggle{display:grid;place-items:center}
  .grid-3,.grid-2,.steps,.boundary,.check-list{grid-template-columns:1fr}
  .data-strip{grid-template-columns:repeat(2,1fr)}
  .brand{max-width:210px;font-size:.82rem}
}
@media(max-width:520px){
  .sec{padding:52px 0}
  .hero{padding:44px 0 52px}
  .hero-stats{grid-template-columns:1fr}
  .news-item{grid-template-columns:1fr}
  .news-thumb{width:100%;height:170px}
  .data-strip{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .cta-inner{padding:28px}
  .card{padding:20px}
  .fab{left:12px;bottom:88px;width:52px;height:52px}
}

/* roulang page: article */
:root{
  --bg:#050a18;
  --bg-2:#0a1226;
  --bg-3:#0e1a33;
  --panel:rgba(15,28,54,.72);
  --panel-solid:#0f1c36;
  --glass:rgba(20,36,68,.55);
  --line:rgba(56,189,248,.18);
  --line-strong:rgba(56,189,248,.42);
  --txt:#eaf2ff;
  --txt-soft:#9fb3d1;
  --txt-dim:#6f86a8;
  --blue:#2563eb;
  --blue-bright:#3b82f6;
  --cyan:#22d3ee;
  --cyan-soft:rgba(34,211,238,.14);
  --lime:#a3e635;
  --gold:#fbbf24;
  --danger:#f43f5e;
  --radius-s:10px;
  --radius:16px;
  --radius-l:24px;
  --shadow:0 18px 44px -22px rgba(2,8,23,.9);
  --shadow-glow:0 0 0 1px rgba(56,189,248,.2),0 18px 40px -20px rgba(34,211,238,.55);
  --tr:.28s cubic-bezier(.4,0,.2,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:
    radial-gradient(1100px 620px at 82% -8%,rgba(37,99,235,.24),transparent 62%),
    radial-gradient(900px 520px at 6% 8%,rgba(34,211,238,.14),transparent 60%),
    var(--bg);
  color:var(--txt);
  font-family:"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color var(--tr)}
a:hover{color:var(--cyan)}
button{font-family:inherit}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.sec-title{font-size:clamp(1.5rem,3.4vw,2.2rem)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.72rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--cyan);
  background:var(--cyan-soft);
  border:1px solid var(--line);
  padding:6px 12px;border-radius:999px;margin-bottom:14px;
}
.lead{font-size:1.05rem}
/* HEADER */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(5,10,24,.78);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;gap:18px;min-height:70px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:.95rem;line-height:1.15;max-width:340px;color:#fff}
.brand:hover{color:#fff}
.brand-mark{
  width:42px;height:42px;flex:0 0 42px;border-radius:13px;
  background:linear-gradient(140deg,var(--blue),var(--cyan));
  display:grid;place-items:center;font-size:1rem;font-weight:900;color:#04121f;
  box-shadow:var(--shadow-glow);
}
.brand small{display:block;font-size:.66rem;font-weight:600;letter-spacing:.12em;color:var(--cyan);text-transform:uppercase}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-links a{
  font-size:.9rem;font-weight:600;color:var(--txt-soft);
  padding:9px 13px;border-radius:10px;white-space:nowrap;
  transition:background var(--tr),color var(--tr);
}
.nav-links a:hover{background:rgba(56,189,248,.1);color:#fff}
.nav-links a.active{color:#fff;background:rgba(56,189,248,.16);box-shadow:inset 0 0 0 1px var(--line-strong)}
.nav-cta{display:flex;align-items:center;gap:10px;margin-left:8px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:700;font-size:.92rem;line-height:1;
  padding:13px 22px;border-radius:12px;border:1px solid transparent;
  cursor:pointer;transition:transform var(--tr),box-shadow var(--tr),background var(--tr),color var(--tr);
  text-align:center;
}
.btn:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}
.btn-primary{
  background:linear-gradient(120deg,var(--blue-bright),var(--cyan));
  color:#03101f;
  box-shadow:0 12px 30px -12px rgba(34,211,238,.75),inset 0 0 0 1px rgba(255,255,255,.22);
}
.btn-primary:hover{color:#03101f;transform:translateY(-2px);box-shadow:0 18px 38px -12px rgba(34,211,238,.85)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{
  background:rgba(56,189,248,.08);color:var(--txt);
  border-color:var(--line-strong);
}
.btn-ghost:hover{background:rgba(56,189,248,.16);color:#fff;transform:translateY(-2px)}
.btn-sm{padding:10px 16px;font-size:.85rem;border-radius:10px}
.nav-toggle{
  display:none;margin-left:auto;background:rgba(56,189,248,.1);
  border:1px solid var(--line-strong);color:#fff;border-radius:10px;
  width:44px;height:44px;font-size:1.05rem;
}
.mobile-menu{display:none;border-top:1px solid var(--line);background:rgba(5,10,24,.97);padding:14px 20px 20px}
.mobile-menu.open{display:block}
.mobile-menu a{display:block;padding:12px 12px;border-radius:10px;font-weight:600;color:var(--txt-soft);border-bottom:1px solid rgba(56,189,248,.08)}
.mobile-menu a.active,.mobile-menu a:hover{color:#fff;background:rgba(56,189,248,.12)}
.mobile-menu .btn{width:100%;margin-top:12px}
/* ARTICLE LAYOUT */
.article-hero{position:relative;padding:52px 0 44px;overflow:hidden;border-bottom:1px solid var(--line)}
.article-hero .hero-bg{
  position:absolute;inset:0;
  background:url('/assets/images/1040b41be6b560ca.jpg') center/cover no-repeat;
  opacity:.18;
}
.article-hero .hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(5,10,24,.95),rgba(5,10,24,.72) 55%,rgba(5,10,24,.95))}
.article-hero-inner{position:relative;z-index:2;max-width:920px}
.breadcrumb-row{display:flex;align-items:center;gap:9px;flex-wrap:wrap;font-size:.83rem;color:var(--txt-dim);margin-bottom:16px}
.breadcrumb-row a{color:var(--txt-soft)}
.breadcrumb-row a:hover{color:var(--cyan)}
.article-hero h1{font-size:clamp(1.6rem,3.9vw,2.6rem);margin:0 0 16px;line-height:1.28}
.article-hero .lead{color:#cbd9ee;max-width:840px;margin:0 0 22px}
.meta-row{display:flex;flex-wrap:wrap;gap:10px}
.meta-chip{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.78rem;font-weight:600;color:var(--txt-soft);
  background:var(--glass);border:1px solid var(--line);
  padding:8px 13px;border-radius:999px;
}
.meta-chip i{color:var(--cyan)}
.article-wrap{padding:52px 0 64px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:38px;align-items:start}
.article-main{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  padding:32px clamp(18px,3vw,40px);
  box-shadow:var(--shadow);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
}
.article-content{font-size:1.03rem;color:#d3e0f2;line-height:1.72;overflow-wrap:break-word}
.article-content h2{font-size:clamp(1.28rem,2.4vw,1.66rem);color:#fff;margin:34px 0 14px;padding-left:14px;border-left:3px solid var(--cyan);line-height:1.35}
.article-content h3{font-size:clamp(1.1rem,1.9vw,1.3rem);color:#fff;margin:26px 0 12px}
.article-content h4{font-size:1.06rem;color:#fff;margin:22px 0 10px}
.article-content p{margin:0 0 16px}
.article-content a{color:var(--cyan);text-decoration:underline;text-underline-offset:3px}
.article-content a:hover{color:#fff}
.article-content ul,.article-content ol{margin:0 0 18px;padding-left:22px}
.article-content li{margin-bottom:9px}
.article-content img{border-radius:var(--radius);margin:20px 0;border:1px solid var(--line);width:100%}
.article-content strong{color:#fff}
.article-content table{width:100%;border-collapse:collapse;margin:20px 0;font-size:.92rem}
.article-content th,.article-content td{border:1px solid var(--line);padding:11px 13px;text-align:left}
.article-content th{background:rgba(34,211,238,.1);color:#fff}
.article-content blockquote{
  margin:20px 0;padding:16px 20px;border-left:3px solid var(--gold);
  background:rgba(251,191,36,.08);border-radius:0 var(--radius-s) var(--radius-s) 0;color:#e6eefc;
}
.not-found{text-align:left;padding:10px 0}
.not-found h2{color:#fff;font-size:1.3rem;margin:0 0 12px}
/* SIDEBAR */
.sidebar{position:sticky;top:88px;display:grid;gap:20px}
.side-card{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:22px;
  box-shadow:var(--shadow);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
}
.side-card h3{font-size:1.05rem;color:#fff;margin:0 0 14px;display:flex;align-items:center;gap:9px}
.side-card h3 i{color:var(--cyan)}
.side-list{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.side-list li{display:flex;gap:10px;align-items:flex-start;font-size:.9rem;color:var(--txt-soft);line-height:1.5}
.side-list li i{color:var(--lime);margin-top:4px;font-size:.7rem}
.side-cta{display:grid;gap:10px;margin-top:6px}
.side-cta .btn{width:100%}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.tag-cloud span{
  font-size:.76rem;font-weight:600;color:var(--txt-soft);
  background:rgba(34,211,238,.08);border:1px solid var(--line);
  padding:6px 11px;border-radius:999px;
}
/* RELATED / CHANNEL MATRIX */
.channel-sec{padding:60px 0;border-top:1px solid var(--line);background:linear-gradient(180deg,rgba(10,18,38,.5),rgba(5,10,24,.2))}
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:26px}
.channel-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;transition:transform var(--tr),border-color var(--tr),box-shadow var(--tr);
  display:flex;flex-direction:column;gap:12px;
}
.channel-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:var(--shadow-glow)}
.channel-card .ico{
  width:48px;height:48px;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(37,99,235,.4),rgba(34,211,238,.4));
  border:1px solid var(--line-strong);color:#fff;font-size:1.1rem;
}
.channel-card h3{font-size:1.1rem;color:#fff;margin:0}
.channel-card p{font-size:.92rem;color:var(--txt-soft);margin:0;line-height:1.6}
.channel-card .more{font-size:.85rem;font-weight:700;color:var(--cyan);display:inline-flex;align-items:center;gap:7px;margin-top:auto}
.channel-card .more i{transition:transform var(--tr)}
.channel-card:hover .more i{transform:translateX(4px)}
/* INFO STRIP */
.info-strip{padding:52px 0}
.strip-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.strip-item{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;text-align:left;transition:border-color var(--tr),transform var(--tr);
}
.strip-item:hover{border-color:var(--line-strong);transform:translateY(-4px)}
.strip-item .num{font-size:1.7rem;font-weight:900;color:var(--cyan);line-height:1;margin-bottom:8px}
.strip-item .lbl{font-size:.88rem;color:var(--txt-soft);line-height:1.5}
/* STEPS */
.steps-sec{padding:60px 0;border-top:1px solid var(--line)}
.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:28px}
.step-card{
  position:relative;background:var(--panel);border:1px solid var(--line);
  border-radius:var(--radius);padding:26px 22px 22px;overflow:hidden;
}
.step-card .idx{
  position:absolute;top:-8px;right:14px;font-size:3.4rem;font-weight:900;
  color:rgba(56,189,248,.1);line-height:1;
}
.step-card h3{font-size:1.05rem;color:#fff;margin:0 0 10px}
.step-card p{font-size:.92rem;color:var(--txt-soft);margin:0}
/* FAQ */
.faq-sec{padding:60px 0;border-top:1px solid var(--line);background:linear-gradient(180deg,rgba(14,26,51,.5),rgba(5,10,24,.2))}
.faq-list{display:grid;gap:14px;margin-top:26px;max-width:940px}
.faq-item{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px 22px;transition:border-color var(--tr);
}
.faq-item:hover{border-color:var(--line-strong)}
.faq-item h3{font-size:1.02rem;color:#fff;margin:0 0 10px;display:flex;gap:10px;align-items:flex-start}
.faq-item h3 i{color:var(--cyan);margin-top:4px;font-size:.85rem}
.faq-item p{font-size:.93rem;color:var(--txt-soft);margin:0;line-height:1.65}
/* CTA */
.cta-sec{padding:64px 0}
.cta-box{
  position:relative;overflow:hidden;border-radius:var(--radius-l);
  border:1px solid var(--line-strong);
  background:linear-gradient(130deg,rgba(37,99,235,.28),rgba(34,211,238,.16)),var(--panel-solid);
  padding:clamp(28px,5vw,52px);
  box-shadow:var(--shadow-glow);
  text-align:center;
}
.cta-box h2{font-size:clamp(1.4rem,3vw,2rem);color:#fff;margin:0 0 14px}
.cta-box p{color:#cbd9ee;max-width:680px;margin:0 auto 24px;font-size:1.02rem}
.cta-actions{display:flex;justify-content:center;gap:14px;flex-wrap:wrap}
/* FOOTER */
.site-footer{border-top:1px solid var(--line);background:rgba(3,7,17,.9);padding:52px 0 26px;margin-top:20px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px}
.foot-brand{display:flex;align-items:flex-start;gap:11px;font-weight:800;color:#fff;font-size:.95rem;line-height:1.3;margin-bottom:14px}
.foot-note{font-size:.88rem;color:var(--txt-soft);line-height:1.65;margin:0 0 16px}
.licence-row{display:flex;flex-wrap:wrap;gap:10px}
.licence-row span{
  font-size:.76rem;font-weight:600;color:var(--txt-soft);
  background:rgba(34,211,238,.07);border:1px solid var(--line);
  padding:7px 12px;border-radius:999px;display:inline-flex;align-items:center;gap:7px;
}
.licence-row i{color:var(--cyan)}
.foot-col h4{font-size:.86rem;letter-spacing:.1em;text-transform:uppercase;color:#fff;margin:0 0 14px}
.foot-col ul{list-style:none;margin:0;padding:0;display:grid;gap:9px}
.foot-col a{font-size:.89rem;color:var(--txt-soft)}
.foot-col a:hover{color:var(--cyan)}
.foot-bottom{
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  margin-top:34px;padding-top:20px;border-top:1px solid var(--line);
  font-size:.82rem;color:var(--txt-dim);
}
.age-badge{
  display:inline-grid;place-items:center;width:36px;height:36px;border-radius:50%;
  border:1px solid var(--line-strong);font-weight:800;font-size:.76rem;color:var(--cyan);
}
/* FAB */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  width:56px;height:56px;border-radius:50%;
  display:grid;place-items:center;font-size:1.25rem;color:#03101f;
  background:linear-gradient(140deg,var(--blue-bright),var(--cyan));
  border:1px solid rgba(255,255,255,.3);
  box-shadow:0 0 22px rgba(34,211,238,.5);
  opacity:.82;transition:opacity var(--tr),transform var(--tr),box-shadow var(--tr);
}
.fab:hover{opacity:1;transform:scale(1.08);box-shadow:0 0 30px rgba(34,211,238,.8);color:#03101f}
.fab:active{transform:scale(.95)}
.fab .dot{
  position:absolute;top:2px;right:2px;width:13px;height:13px;border-radius:50%;
  background:var(--danger);border:2px solid #050a18;
  animation:pulse 1.8s infinite;
}
@keyframes pulse{0%,100%{transform:scale(1);opacity:1}50%{transform:scale(1.18);opacity:.75}}
/* RESPONSIVE */
@media (max-width:1024px){
  .article-layout{grid-template-columns:1fr;gap:28px}
  .sidebar{position:static}
  .channel-grid{grid-template-columns:repeat(2,1fr)}
  .strip-grid{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:860px){
  .nav-links,.nav-cta{display:none}
  .nav-toggle{display:grid;place-items:center}
  .steps-grid{grid-template-columns:1fr}
}
@media (max-width:520px){
  .brand{font-size:.82rem;max-width:230px}
  .brand-mark{width:38px;height:38px;flex:0 0 38px;font-size:.9rem}
  .article-main{padding:22px 16px}
  .channel-grid,.strip-grid{grid-template-columns:1fr}
  .cta-actions{flex-direction:column}
  .cta-actions .btn{width:100%}
  .foot-grid{grid-template-columns:1fr}
  .foot-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category1 */
:root{
  --bg:#050a18;
  --bg-2:#0a1226;
  --bg-3:#0e1a33;
  --panel:rgba(15,28,54,.72);
  --panel-solid:#0f1c36;
  --glass:rgba(20,36,68,.55);
  --line:rgba(56,189,248,.18);
  --line-strong:rgba(56,189,248,.42);
  --txt:#eaf2ff;
  --txt-soft:#9fb3d1;
  --txt-dim:#6f86a8;
  --blue:#2563eb;
  --blue-bright:#3b82f6;
  --cyan:#22d3ee;
  --cyan-soft:rgba(34,211,238,.14);
  --lime:#a3e635;
  --gold:#fbbf24;
  --danger:#f43f5e;
  --radius-s:10px;
  --radius:16px;
  --radius-l:24px;
  --shadow:0 18px 44px -22px rgba(2,8,23,.9);
  --shadow-glow:0 0 0 1px rgba(56,189,248,.2),0 18px 40px -20px rgba(34,211,238,.55);
  --tr:.28s cubic-bezier(.4,0,.2,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:
    radial-gradient(1100px 620px at 82% -8%,rgba(37,99,235,.24),transparent 62%),
    radial-gradient(900px 520px at 6% 8%,rgba(34,211,238,.14),transparent 60%),
    var(--bg);
  color:var(--txt);
  font-family:"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color var(--tr)}
a:hover{color:var(--cyan)}
button{font-family:inherit}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.sec-title{font-size:clamp(1.5rem,3.4vw,2.2rem);line-height:1.25;margin:0 0 14px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.72rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--cyan);
  background:var(--cyan-soft);
  border:1px solid var(--line);
  padding:6px 12px;border-radius:999px;margin-bottom:14px;
}
.lead{font-size:1.05rem;color:#cbd9ee}
.muted{color:var(--txt-soft)}
.section{padding:62px 0;position:relative}
.section-alt{background:linear-gradient(180deg,rgba(10,18,38,.85),rgba(5,10,24,0))}
/* HEADER */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(5,10,24,.78);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;gap:18px;min-height:70px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:.95rem;line-height:1.15;max-width:340px;color:#fff}
.brand:hover{color:#fff}
.brand-mark{
  width:42px;height:42px;flex:0 0 42px;border-radius:13px;
  background:linear-gradient(140deg,var(--blue),var(--cyan));
  display:grid;place-items:center;font-size:1rem;font-weight:900;color:#04121f;
  box-shadow:var(--shadow-glow);
}
.brand small{display:block;font-size:.66rem;font-weight:600;letter-spacing:.12em;color:var(--cyan);text-transform:uppercase}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-links a{
  font-size:.9rem;font-weight:600;color:var(--txt-soft);
  padding:9px 13px;border-radius:10px;white-space:nowrap;
  transition:background var(--tr),color var(--tr);
}
.nav-links a:hover{background:rgba(56,189,248,.1);color:#fff}
.nav-links a.active{color:#fff;background:rgba(56,189,248,.16);box-shadow:inset 0 0 0 1px var(--line-strong)}
.nav-cta{display:flex;align-items:center;gap:10px;margin-left:8px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:700;font-size:.92rem;line-height:1;
  padding:13px 22px;border-radius:12px;border:1px solid transparent;
  cursor:pointer;transition:transform var(--tr),box-shadow var(--tr),background var(--tr),color var(--tr);
  text-align:center;
}
.btn:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}
.btn-primary{
  background:linear-gradient(120deg,var(--blue-bright),var(--cyan));
  color:#03101f;
  box-shadow:0 12px 30px -12px rgba(34,211,238,.75),inset 0 0 0 1px rgba(255,255,255,.22);
}
.btn-primary:hover{color:#03101f;transform:translateY(-2px);box-shadow:0 18px 38px -12px rgba(34,211,238,.85)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{
  background:rgba(56,189,248,.08);color:var(--txt);
  border-color:var(--line-strong);
}
.btn-ghost:hover{background:rgba(56,189,248,.16);color:#fff;transform:translateY(-2px)}
.btn-sm{padding:10px 16px;font-size:.85rem;border-radius:10px}
.btn-lg{padding:16px 30px;font-size:1rem;border-radius:14px}
.nav-toggle{
  display:none;margin-left:auto;background:rgba(56,189,248,.1);
  border:1px solid var(--line-strong);color:#fff;border-radius:10px;
  width:44px;height:44px;font-size:1.05rem;
}
.mobile-menu{display:none;border-top:1px solid var(--line);background:rgba(5,10,24,.97);padding:14px 20px 20px}
.mobile-menu.open{display:block}
.mobile-menu a{display:block;padding:12px;border-radius:10px;font-weight:600;color:var(--txt-soft);border-bottom:1px solid rgba(56,189,248,.08)}
.mobile-menu a.active,.mobile-menu a:hover{color:#fff;background:rgba(56,189,248,.12)}
.mobile-menu .btn{width:100%;margin-top:12px}
/* HERO (help-center style) */
.hero-search{padding:58px 0 40px;position:relative;overflow:hidden;text-align:center}
.hero-bg{
  position:absolute;inset:0;
  background:url('/assets/images/1040b41be6b560ca.jpg') center/cover no-repeat;
  opacity:.2;
}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(160deg,rgba(5,10,24,.95),rgba(5,10,24,.72) 60%,rgba(5,10,24,.96))}
.hero-inner{position:relative;z-index:2;max-width:860px;margin:0 auto}
.hero-search h1{font-size:clamp(1.7rem,4vw,2.7rem);margin:14px 0 16px;line-height:1.2}
.hero-search .lead{max-width:660px;margin:0 auto 26px}
.search-box{
  display:flex;gap:10px;align-items:center;
  background:rgba(15,28,54,.8);
  border:1px solid var(--line-strong);
  border-radius:999px;
  padding:8px 8px 8px 20px;
  max-width:620px;margin:0 auto 20px;
  box-shadow:var(--shadow);
}
.search-box i{color:var(--cyan)}
.search-box input{
  flex:1;min-width:0;background:transparent;border:none;outline:none;
  color:var(--txt);font-size:.95rem;padding:8px 0;
}
.search-box input::placeholder{color:var(--txt-dim)}
.chips{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:6px}
.chip{
  font-size:.82rem;font-weight:600;color:var(--txt-soft);
  background:rgba(34,211,238,.08);border:1px solid var(--line);
  padding:8px 15px;border-radius:999px;transition:all var(--tr);
}
.chip:hover{color:#fff;border-color:var(--line-strong);background:rgba(34,211,238,.18)}
/* stat strip */
.stat-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:36px}
.stat-item{
  background:rgba(15,28,54,.55);border:1px solid var(--line);
  border-radius:var(--radius);padding:16px;text-align:left;
}
.stat-item b{display:block;font-size:1.35rem;color:#fff;font-weight:800}
.stat-item span{font-size:.78rem;color:var(--txt-dim);text-transform:uppercase;letter-spacing:.08em}
/* cards */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.card{
  background:linear-gradient(165deg,rgba(20,36,68,.6),rgba(9,17,36,.78));
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:22px;height:100%;
  backdrop-filter:blur(8px);
  transition:transform var(--tr),border-color var(--tr),box-shadow var(--tr);
}
.card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-glow)}
.card h3{font-size:1.08rem;margin:0 0 10px;color:#fff}
.card p{margin:0;font-size:.92rem;color:var(--txt-soft)}
.ico{
  width:46px;height:46px;border-radius:12px;display:grid;place-items:center;
  background:rgba(34,211,238,.12);border:1px solid var(--line-strong);
  color:var(--cyan);font-size:1.05rem;margin-bottom:14px;
}
/* split */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center}
.split img{border-radius:var(--radius-l);border:1px solid var(--line-strong);box-shadow:var(--shadow)}
/* ticker */
.ticker-bar{
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;
  background:rgba(34,211,238,.07);border:1px solid var(--line);
  border-radius:var(--radius);padding:14px 18px;margin-top:18px;
}
.ticker-bar .live-dot{width:9px;height:9px;border-radius:50%;background:var(--lime);box-shadow:0 0 12px var(--lime);animation:pulse 1.6s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.ticker-bar span{font-size:.88rem;color:var(--txt-soft)}
.ticker-bar strong{color:#fff}
/* steps */
.steps{counter-reset:s;display:grid;gap:16px}
.step{
  display:flex;gap:16px;align-items:flex-start;
  background:rgba(15,28,54,.5);border:1px solid var(--line);
  border-radius:var(--radius);padding:18px 20px;
  transition:border-color var(--tr),transform var(--tr);
}
.step:hover{border-color:var(--line-strong);transform:translateX(4px)}
.step-num{
  flex:0 0 40px;width:40px;height:40px;border-radius:11px;
  background:linear-gradient(140deg,var(--blue),var(--cyan));color:#04121f;
  font-weight:900;display:grid;place-items:center;
}
.step h4{margin:0 0 6px;font-size:1rem;color:#fff}
.step p{margin:0;font-size:.9rem;color:var(--txt-soft)}
/* channels */
.pay-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:18px}
.pay-badge{
  display:inline-flex;align-items:center;gap:9px;
  font-size:.86rem;font-weight:700;color:#fff;
  background:rgba(15,28,54,.8);border:1px solid var(--line-strong);
  padding:11px 18px;border-radius:12px;
}
.pay-badge i{color:var(--cyan)}
/* faq */
.faq-list{display:grid;gap:12px}
.faq-item{
  background:rgba(15,28,54,.55);border:1px solid var(--line);
  border-radius:var(--radius);padding:0;overflow:hidden;
}
.faq-item summary{
  cursor:pointer;list-style:none;padding:18px 20px;
  font-weight:700;color:#fff;font-size:.98rem;
  display:flex;justify-content:space-between;align-items:center;gap:14px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary i{color:var(--cyan);transition:transform var(--tr)}
.faq-item[open] summary i{transform:rotate(45deg)}
.faq-item p{margin:0;padding:0 20px 20px;color:var(--txt-soft);font-size:.92rem}
/* cta band */
.cta-band{
  position:relative;overflow:hidden;
  background:linear-gradient(120deg,rgba(37,99,235,.35),rgba(34,211,238,.22));
  border:1px solid var(--line-strong);
  border-radius:var(--radius-l);
  padding:44px 34px;text-align:center;
}
.cta-band h2{font-size:clamp(1.4rem,3vw,2rem);margin:0 0 12px;color:#fff}
.cta-band p{max-width:620px;margin:0 auto 24px;color:#dbe7fa}
/* list */
.post-list{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.post-card{
  background:linear-gradient(170deg,rgba(20,36,68,.62),rgba(9,17,36,.8));
  border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform var(--tr),border-color var(--tr),box-shadow var(--tr);
}
.post-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:var(--shadow-glow)}
.post-card .thumb{aspect-ratio:16/10;object-fit:cover;width:100%}
.post-body{padding:18px;display:flex;flex-direction:column;gap:9px;flex:1}
.post-body h3{font-size:1rem;margin:0;color:#fff;line-height:1.4}
.post-meta{display:flex;gap:12px;flex-wrap:wrap;font-size:.76rem;color:var(--txt-dim);text-transform:uppercase;letter-spacing:.06em}
.post-body p{margin:0;font-size:.88rem;color:var(--txt-soft);flex:1}
.empty-note{color:var(--txt-dim);font-size:.95rem}
/* footer */
.site-footer{
  margin-top:40px;padding:54px 0 26px;
  background:linear-gradient(180deg,rgba(10,18,38,.6),rgba(4,8,18,.96));
  border-top:1px solid var(--line);
}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:30px}
.foot-brand{display:flex;align-items:flex-start;gap:11px;font-weight:800;color:#fff;font-size:.95rem;line-height:1.3;margin-bottom:14px}
.foot-note{font-size:.88rem;color:var(--txt-soft);margin:0 0 16px}
.licence-row{display:flex;flex-wrap:wrap;gap:14px}
.licence-row span{font-size:.76rem;color:var(--txt-dim);display:inline-flex;align-items:center;gap:7px}
.licence-row i{color:var(--cyan)}
.foot-col h4{font-size:.82rem;letter-spacing:.1em;text-transform:uppercase;color:#fff;margin:0 0 14px}
.foot-col ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.foot-col a{font-size:.88rem;color:var(--txt-soft)}
.foot-col a:hover{color:var(--cyan)}
.foot-bottom{
  margin-top:34px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  font-size:.8rem;color:var(--txt-dim);
}
.age-badge{
  display:inline-grid;place-items:center;width:38px;height:38px;border-radius:11px;
  border:1px solid var(--line-strong);color:#fff;font-weight:800;font-size:.78rem;
  background:rgba(34,211,238,.08);
}
/* FAB */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  width:56px;height:56px;border-radius:18px;
  display:grid;place-items:center;
  background:rgba(7,7,13,.82);backdrop-filter:blur(12px);
  border:1px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.85),rgba(7,7,13,.85)),linear-gradient(135deg,var(--cyan),var(--blue-bright));
  background-origin:border-box;background-clip:padding-box,border-box;
  box-shadow:0 0 20px rgba(6,182,212,.45);color:var(--cyan);font-size:1.2rem;opacity:.85;
  transition:opacity var(--tr),transform var(--tr),box-shadow var(--tr);
  animation:fabfloat 3.4s ease-in-out infinite;
}
@keyframes fabfloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-5px)}}
.fab:hover{opacity:1;transform:scale(1.1);box-shadow:0 0 30px rgba(6,182,212,.7)}
.fab:active{transform:scale(.94)}
.fab .dot{
  position:absolute;top:-3px;right:-3px;width:13px;height:13px;border-radius:50%;
  background:var(--danger);border:2px solid #050a18;
}
/* fixed conversion bar */
.convert-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:60;
  background:rgba(5,10,24,.92);backdrop-filter:blur(14px);
  border-top:1px solid var(--line-strong);
  padding:12px 20px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  flex-wrap:wrap;
}
.convert-bar .cb-text{font-size:.88rem;color:var(--txt-soft)}
.convert-bar .cb-text strong{color:#fff}
.convert-bar .cb-actions{display:flex;gap:10px;flex-wrap:wrap}
body{padding-bottom:76px}
/* responsive */
@media(max-width:1024px){
  .hero-grid{grid-template-columns:1fr}
  .split{grid-template-columns:1fr;gap:28px}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .post-list{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
  .stat-strip{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:900px){
  .nav-links,.nav-cta{display:none}
  .nav-toggle{display:grid;place-items:center}
  .grid-3{grid-template-columns:1fr}
  .grid-2{grid-template-columns:1fr}
}
@media(max-width:520px){
  .grid-4{grid-template-columns:1fr}
  .post-list{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .search-box{border-radius:16px;padding:12px 14px;flex-direction:column;align-items:stretch}
  .search-box i{display:none}
  .search-box .btn{width:100%}
  .section{padding:44px 0}
  .brand{max-width:210px;font-size:.82rem}
  .convert-bar{flex-direction:column;align-items:stretch}
}

/* roulang page: category2 */
:root{
  --bg:#050a18;
  --bg-2:#0a1226;
  --bg-3:#0e1a33;
  --panel:rgba(15,28,54,.72);
  --panel-solid:#0f1c36;
  --glass:rgba(20,36,68,.55);
  --line:rgba(56,189,248,.18);
  --line-strong:rgba(56,189,248,.42);
  --txt:#eaf2ff;
  --txt-soft:#9fb3d1;
  --txt-dim:#6f86a8;
  --blue:#2563eb;
  --blue-bright:#3b82f6;
  --cyan:#22d3ee;
  --cyan-soft:rgba(34,211,238,.14);
  --lime:#a3e635;
  --gold:#fbbf24;
  --danger:#f43f5e;
  --radius-s:10px;
  --radius:16px;
  --radius-l:24px;
  --shadow:0 18px 44px -22px rgba(2,8,23,.9);
  --shadow-glow:0 0 0 1px rgba(56,189,248,.2),0 18px 40px -20px rgba(34,211,238,.55);
  --tr:.28s cubic-bezier(.4,0,.2,1);
}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:
    radial-gradient(1100px 620px at 82% -8%,rgba(37,99,235,.24),transparent 62%),
    radial-gradient(900px 520px at 6% 8%,rgba(34,211,238,.14),transparent 60%),
    var(--bg);
  color:var(--txt);
  font-family:"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color var(--tr)}
a:hover{color:var(--cyan)}
button{font-family:inherit}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.sec-title{font-size:clamp(1.5rem,3.4vw,2.2rem)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.72rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--cyan);
  background:var(--cyan-soft);
  border:1px solid var(--line);
  padding:6px 12px;border-radius:999px;margin-bottom:14px;
}
.lead{font-size:1.05rem}
/* HEADER */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(5,10,24,.78);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;gap:18px;min-height:70px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:.95rem;line-height:1.15;max-width:320px;color:#fff}
.brand:hover{color:#fff}
.brand-mark{
  width:42px;height:42px;flex:0 0 42px;border-radius:13px;
  background:linear-gradient(140deg,var(--blue),var(--cyan));
  display:grid;place-items:center;font-size:1rem;font-weight:900;color:#04121f;
  box-shadow:var(--shadow-glow);
}
.brand small{display:block;font-size:.66rem;font-weight:600;letter-spacing:.12em;color:var(--cyan);text-transform:uppercase}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-links a{
  font-size:.9rem;font-weight:600;color:var(--txt-soft);
  padding:9px 13px;border-radius:10px;white-space:nowrap;
  transition:background var(--tr),color var(--tr);
}
.nav-links a:hover{background:rgba(56,189,248,.1);color:#fff}
.nav-links a.active{color:#fff;background:rgba(56,189,248,.16);box-shadow:inset 0 0 0 1px var(--line-strong)}
.nav-cta{display:flex;align-items:center;gap:10px;margin-left:8px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:700;font-size:.92rem;line-height:1;
  padding:13px 22px;border-radius:12px;border:1px solid transparent;
  cursor:pointer;transition:transform var(--tr),box-shadow var(--tr),background var(--tr),color var(--tr);
  text-align:center;
}
.btn:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}
.btn-primary{
  background:linear-gradient(120deg,var(--blue-bright),var(--cyan));
  color:#03101f;
  box-shadow:0 12px 30px -12px rgba(34,211,238,.75),inset 0 0 0 1px rgba(255,255,255,.22);
}
.btn-primary:hover{color:#03101f;transform:translateY(-2px);box-shadow:0 18px 38px -12px rgba(34,211,238,.85)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{
  background:rgba(56,189,248,.08);color:var(--txt);
  border-color:var(--line-strong);
}
.btn-ghost:hover{background:rgba(56,189,248,.16);color:#fff;transform:translateY(-2px)}
.btn-sm{padding:10px 16px;font-size:.85rem;border-radius:10px}
.nav-toggle{
  display:none;margin-left:auto;background:rgba(56,189,248,.1);
  border:1px solid var(--line-strong);color:#fff;border-radius:10px;
  width:44px;height:44px;font-size:1.05rem;
}
.mobile-menu{display:none;border-top:1px solid var(--line);background:rgba(5,10,24,.97);padding:14px 20px 20px}
.mobile-menu.open{display:block}
.mobile-menu a{display:block;padding:12px 12px;border-radius:10px;font-weight:600;color:var(--txt-soft);border-bottom:1px solid rgba(56,189,248,.08)}
.mobile-menu a.active,.mobile-menu a:hover{color:#fff;background:rgba(56,189,248,.12)}
.mobile-menu .btn{width:100%;margin-top:12px}
/* HERO (category variant: before/after) */
.hero{position:relative;padding:56px 0 60px;overflow:hidden}
.hero-bg{
  position:absolute;inset:0;
  background:url('/assets/images/1040b41be6b560ca.jpg') center/cover no-repeat;
  opacity:.2;
}
.hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(5,10,24,.95),rgba(5,10,24,.72) 55%,rgba(5,10,24,.95))}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.hero-top{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:16px}
.badge-live{
  display:inline-flex;align-items:center;gap:8px;font-size:.72rem;font-weight:700;
  letter-spacing:.1em;text-transform:uppercase;color:var(--lime);
  background:rgba(163,230,53,.1);border:1px solid rgba(163,230,53,.34);
  padding:7px 12px;border-radius:999px;
}
.badge-live i{font-size:.5rem}
.hero h1{font-size:clamp(1.7rem,4vw,2.75rem);margin-bottom:18px;line-height:1.2}
.hero p.lead{font-size:clamp(1rem,1.6vw,1.1rem);max-width:640px;color:#cbd9ee}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin:26px 0 22px}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;max-width:640px}
.stat{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--radius);
  padding:14px;backdrop-filter:blur(8px);
}
.stat b{display:block;font-size:1.35rem;color:#fff;font-weight:800;line-height:1.2}
.stat span{font-size:.78rem;color:var(--txt-soft)}
/* Before / After compare */
.compare{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1fr 1fr;gap:18px;
}
.compare-col{
  border-radius:var(--radius-l);padding:22px;border:1px solid var(--line);
  background:linear-gradient(165deg,rgba(20,36,68,.7),rgba(8,15,32,.9));
  box-shadow:var(--shadow);
}
.compare-col.after{border-color:var(--line-strong);box-shadow:var(--shadow-glow)}
.compare-head{display:flex;align-items:center;gap:10px;margin-bottom:14px;font-weight:800;font-size:1rem}
.compare-col.before .compare-head{color:#fca5a5}
.compare-col.after .compare-head{color:var(--lime)}
.compare-head i{font-size:1.05rem}
.compare-list{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.compare-list li{display:flex;gap:10px;font-size:.88rem;color:var(--txt-soft);align-items:flex-start}
.compare-list li i{margin-top:3px;font-size:.8rem}
.compare-col.before .compare-list li i{color:#f87171}
.compare-col.after .compare-list li i{color:var(--lime)}
.compare-badge{
  position:absolute;top:-14px;left:50%;transform:translateX(-50%);
  background:linear-gradient(120deg,var(--blue-bright),var(--cyan));color:#03101f;
  font-size:.72rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;
  padding:6px 14px;border-radius:999px;box-shadow:var(--shadow-glow);
}
/* SECTION BASE */
section.block{padding:64px 0;position:relative}
section.block.alt{background:linear-gradient(180deg,rgba(10,18,38,.6),rgba(5,10,24,.2))}
.sec-head{margin-bottom:34px;max-width:760px}
.sec-head h2{font-size:clamp(1.45rem,3vw,2.05rem);margin-bottom:12px}
.sec-head p{color:var(--txt-soft);margin:0}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;backdrop-filter:blur(10px);
  transition:transform var(--tr),border-color var(--tr),box-shadow var(--tr);
}
.card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-glow)}
.card .ic{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;
  background:var(--cyan-soft);border:1px solid var(--line);color:var(--cyan);
  font-size:1.05rem;margin-bottom:14px;
}
.card h3{font-size:1.08rem;margin-bottom:9px;color:#fff}
.card p{margin:0;color:var(--txt-soft);font-size:.92rem}
.card .tag{
  display:inline-block;font-size:.7rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
  color:var(--lime);background:rgba(163,230,53,.1);border:1px solid rgba(163,230,53,.3);
  padding:4px 10px;border-radius:999px;margin-bottom:12px
}
/* Step flow */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:step}
.step{
  position:relative;background:var(--glass);border:1px solid var(--line);
  border-radius:var(--radius);padding:24px 20px 20px;
}
.step::before{
  counter-increment:step;content:counter(step);
  position:absolute;top:-16px;left:20px;
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--blue),var(--cyan));color:#04121f;
  font-weight:900;font-size:.95rem;box-shadow:var(--shadow-glow);
}
.step h3{font-size:1rem;margin:16px 0 8px;color:#fff}
.step p{margin:0;font-size:.9rem;color:var(--txt-soft)}
/* Split feature */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center}
.split-media{
  border-radius:var(--radius-l);overflow:hidden;border:1px solid var(--line-strong);
  box-shadow:var(--shadow);
}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.split-body h2{font-size:clamp(1.4rem,2.8vw,1.9rem);margin-bottom:14px}
.split-body p{color:var(--txt-soft);margin-bottom:14px}
.plain-list{list-style:none;margin:0 0 18px;padding:0;display:grid;gap:10px}
.plain-list li{display:flex;gap:10px;align-items:flex-start;font-size:.93rem;color:var(--txt-soft)}
.plain-list li i{color:var(--cyan);margin-top:3px}
/* Channels */
.channel-row{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.channel{
  display:flex;align-items:center;gap:12px;
  background:var(--panel-solid);border:1px solid var(--line);border-radius:var(--radius);
  padding:16px 18px;transition:border-color var(--tr),transform var(--tr);
}
.channel:hover{border-color:var(--line-strong);transform:translateY(-3px)}
.channel i{font-size:1.35rem;color:var(--gold)}
.channel b{display:block;font-size:.95rem;color:#fff}
.channel span{font-size:.78rem;color:var(--txt-dim)}
/* Quotes / social proof */
.quote{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;display:flex;flex-direction:column;gap:14px;
}
.quote p{margin:0;font-size:.94rem;color:#dbe7f7;font-style:italic}
.quote .who{display:flex;align-items:center;gap:12px}
.quote .av{
  width:40px;height:40px;border-radius:50%;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--blue),var(--cyan));color:#04121f;font-weight:900;font-size:.85rem;
}
.quote .who b{display:block;color:#fff;font-size:.9rem}
.quote .who span{font-size:.75rem;color:var(--txt-dim)}
.stars{color:var(--gold);font-size:.8rem;letter-spacing:2px}
/* Table compare */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--panel)}
table.cmp{width:100%;border-collapse:collapse;min-width:560px}
table.cmp th,table.cmp td{padding:15px 18px;text-align:left;font-size:.9rem;border-bottom:1px solid rgba(56,189,248,.1)}
table.cmp th{font-size:.78rem;letter-spacing:.08em;text-transform:uppercase;color:var(--txt-dim);font-weight:700}
table.cmp td{color:var(--txt-soft)}
table.cmp td strong{color:#fff}
table.cmp tr:last-child td{border-bottom:none}
.tick{color:var(--lime)}
.cross{color:var(--danger)}
/* CMS list */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.post-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform var(--tr),border-color var(--tr),box-shadow var(--tr);
}
.post-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-glow)}
.post-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.post-card .pc-body{padding:18px;display:flex;flex-direction:column;gap:9px;flex:1}
.post-card .pc-meta{font-size:.74rem;color:var(--txt-dim);display:flex;gap:10px;flex-wrap:wrap}
.post-card h3{font-size:1rem;margin:0;color:#fff;line-height:1.4}
.post-card p{margin:0;font-size:.86rem;color:var(--txt-soft)}
.post-card .pc-link{margin-top:auto;font-size:.85rem;font-weight:700;color:var(--cyan)}
.empty-note{color:var(--txt-dim);font-size:.9rem;padding:20px 0}
/* FAQ */
.faq{display:grid;gap:14px}
.faq-item{
  border:1px solid var(--line);border-radius:var(--radius);background:var(--panel);
  overflow:hidden;
}
.faq-q{
  width:100%;text-align:left;background:transparent;border:0;color:#fff;
  font-weight:700;font-size:.98rem;padding:18px 20px;
  display:flex;justify-content:space-between;gap:14px;align-items:center;cursor:pointer;
}
.faq-q i{color:var(--cyan);transition:transform var(--tr)}
.faq-item.open .faq-q i{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height var(--tr)}
.faq-item.open .faq-a{max-height:420px}
.faq-a p{margin:0;padding:0 20px 20px;color:var(--txt-soft);font-size:.92rem}
/* Guarantee strip */
.guarantee{
  display:grid;grid-template-columns:repeat(3,1fr);gap:18px;
  padding:22px;border:1px solid var(--line-strong);border-radius:var(--radius-l);
  background:linear-gradient(150deg,rgba(20,36,68,.75),rgba(8,15,32,.9));
}
.g-item{display:flex;gap:12px;align-items:flex-start}
.g-item i{font-size:1.25rem;color:var(--cyan);margin-top:4px}
.g-item b{display:block;color:#fff;font-size:.95rem}
.g-item span{font-size:.82rem;color:var(--txt-soft)}
/* CTA band */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-l);
  border:1px solid var(--line-strong);
  background:url('/assets/images/4b41c5efd5cd7aa8.jpg') center/cover no-repeat;
  padding:52px 44px;
}
.cta-band::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(5,10,24,.94),rgba(5,10,24,.72))}
.cta-inner{position:relative;z-index:2;max-width:680px}
.cta-inner h2{font-size:clamp(1.5rem,3vw,2.1rem);margin-bottom:14px}
.cta-inner p{color:#cbd9ee;margin-bottom:22px}
/* FOOTER */
.site-footer{border-top:1px solid var(--line);background:rgba(4,8,20,.92);padding:52px 0 26px;margin-top:20px}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px}
.foot-brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:.92rem;color:#fff;margin-bottom:14px;line-height:1.2}
.foot-brand .brand-mark{width:40px;height:40px;flex:0 0 40px;border-radius:12px;font-size:.95rem}
.foot-note{font-size:.85rem;color:var(--txt-soft);margin:0 0 16px}
.foot-col h4{font-size:.8rem;letter-spacing:.1em;text-transform:uppercase;color:var(--cyan);margin-bottom:14px}
.foot-col ul{list-style:none;margin:0;padding:0;display:grid;gap:9px}
.foot-col a{font-size:.86rem;color:var(--txt-soft)}
.licence-row{display:flex;flex-wrap:wrap;gap:10px}
.licence-row span{
  display:inline-flex;align-items:center;gap:8px;font-size:.76rem;color:var(--txt-soft);
  border:1px solid var(--line);border-radius:999px;padding:7px 12px;background:rgba(56,189,248,.06);
}
.licence-row i{color:var(--cyan)}
.foot-bottom{
  margin-top:38px;padding-top:20px;border-top:1px solid rgba(56,189,248,.12);
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  font-size:.8rem;color:var(--txt-dim);
}
.age-badge{
  display:inline-grid;place-items:center;width:38px;height:38px;border-radius:50%;
  border:2px solid var(--line-strong);color:#fff;font-weight:800;font-size:.78rem;
}
/* FAB */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:1050;
  width:56px;height:56px;border-radius:50%;
  display:grid;place-items:center;
  background:rgba(7,7,13,.85);backdrop-filter:blur(10px);
  border:2px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.9),rgba(7,7,13,.9)),linear-gradient(140deg,var(--cyan),var(--blue-bright));
  background-origin:border-box;background-clip:padding-box,border-box;
  color:var(--cyan);font-size:1.25rem;
  box-shadow:0 0 22px rgba(34,211,238,.45);
  opacity:.78;transition:opacity var(--tr),transform var(--tr),box-shadow var(--tr);
  animation:fabFloat 3.6s ease-in-out infinite;
}
.fab:hover{opacity:1;transform:scale(1.08);box-shadow:0 0 30px rgba(34,211,238,.7)}
.fab:active{transform:scale(.94)}
.fab .dot{
  position:absolute;top:4px;right:4px;width:12px;height:12px;border-radius:50%;
  background:var(--danger);border:2px solid #fff;
}
@keyframes fabFloat{0%,100%{margin-bottom:0}50%{margin-bottom:8px}}
/* Sticky bottom CTA */
.sticky-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:1040;
  background:rgba(5,10,24,.94);backdrop-filter:blur(12px);
  border-top:1px solid var(--line-strong);
  padding:10px 16px;display:none;align-items:center;gap:12px;justify-content:space-between;
}
.sticky-cta span{font-size:.82rem;color:var(--txt-soft)}
/* Responsive */
@media(max-width:1024px){
  .nav-links{display:none}
  .nav-toggle{display:grid;place-items:center}
  .nav-cta .btn-ghost{display:none}
  .hero-grid,.split{grid-template-columns:1fr}
  .grid-3,.grid-4,.post-grid,.channel-row,.steps{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
  .guarantee{grid-template-columns:1fr}
  .sticky-cta{display:flex}
  .fab{bottom:78px}
}
@media(max-width:768px){
  .compare{grid-template-columns:1fr}
  .hero-stats{grid-template-columns:1fr 1fr}
}
@media(max-width:520px){
  .grid-3,.grid-4,.post-grid,.channel-row,.steps,.grid-2{grid-template-columns:1fr}
  .hero{padding:40px 0 44px}
  section.block{padding:48px 0}
  .cta-band{padding:36px 22px}
  .foot-grid{grid-template-columns:1fr}
  .nav-cta .btn{padding:11px 14px;font-size:.84rem}
  .brand{max-width:180px;font-size:.82rem}
}

/* roulang page: category3 */
:root{
  --bg:#050a18;
  --bg-2:#0a1226;
  --bg-3:#0e1a33;
  --panel:rgba(15,28,54,.72);
  --panel-solid:#0f1c36;
  --glass:rgba(20,36,68,.55);
  --line:rgba(56,189,248,.18);
  --line-strong:rgba(56,189,248,.42);
  --txt:#eaf2ff;
  --txt-soft:#9fb3d1;
  --txt-dim:#6f86a8;
  --blue:#2563eb;
  --blue-bright:#3b82f6;
  --cyan:#22d3ee;
  --cyan-soft:rgba(34,211,238,.14);
  --lime:#a3e635;
  --gold:#fbbf24;
  --danger:#f43f5e;
  --radius-s:10px;
  --radius:16px;
  --radius-l:24px;
  --shadow:0 18px 44px -22px rgba(2,8,23,.9);
  --shadow-glow:0 0 0 1px rgba(56,189,248,.2),0 18px 40px -20px rgba(34,211,238,.55);
  --tr:.28s cubic-bezier(.4,0,.2,1);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:
    radial-gradient(1100px 620px at 82% -8%,rgba(37,99,235,.24),transparent 62%),
    radial-gradient(900px 520px at 6% 8%,rgba(34,211,238,.14),transparent 60%),
    var(--bg);
  color:var(--txt);
  font-family:"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color var(--tr)}
a:hover{color:var(--cyan)}
button{font-family:inherit}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.sec-title{font-size:clamp(1.5rem,3.4vw,2.2rem);margin:0 0 12px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.72rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--cyan);
  background:var(--cyan-soft);
  border:1px solid var(--line);
  padding:6px 12px;border-radius:999px;margin-bottom:14px;
}
.lead{font-size:1.05rem}
.sec{padding:62px 0}
.sec-alt{background:linear-gradient(180deg,rgba(10,18,38,.55),rgba(5,10,24,.2));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.muted{color:var(--txt-soft)}
/* HEADER */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(5,10,24,.78);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;gap:18px;min-height:70px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:.95rem;line-height:1.15;max-width:320px;color:#fff}
.brand:hover{color:#fff}
.brand-mark{
  width:42px;height:42px;flex:0 0 42px;border-radius:13px;
  background:linear-gradient(140deg,var(--blue),var(--cyan));
  display:grid;place-items:center;font-size:1rem;font-weight:900;color:#04121f;
  box-shadow:var(--shadow-glow);
}
.brand small{display:block;font-size:.66rem;font-weight:600;letter-spacing:.12em;color:var(--cyan);text-transform:uppercase}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-links a{
  font-size:.9rem;font-weight:600;color:var(--txt-soft);
  padding:9px 13px;border-radius:10px;white-space:nowrap;
  transition:background var(--tr),color var(--tr);
}
.nav-links a:hover{background:rgba(56,189,248,.1);color:#fff}
.nav-links a.active{color:#fff;background:rgba(56,189,248,.16);box-shadow:inset 0 0 0 1px var(--line-strong)}
.nav-cta{display:flex;align-items:center;gap:10px;margin-left:8px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:700;font-size:.92rem;line-height:1;
  padding:13px 22px;border-radius:12px;border:1px solid transparent;
  cursor:pointer;transition:transform var(--tr),box-shadow var(--tr),background var(--tr),color var(--tr);
  text-align:center;
}
.btn:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}
.btn-primary{
  background:linear-gradient(120deg,var(--blue-bright),var(--cyan));
  color:#03101f;
  box-shadow:0 12px 30px -12px rgba(34,211,238,.75),inset 0 0 0 1px rgba(255,255,255,.22);
}
.btn-primary:hover{color:#03101f;transform:translateY(-2px);box-shadow:0 18px 38px -12px rgba(34,211,238,.85)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:rgba(56,189,248,.08);color:var(--txt);border-color:var(--line-strong)}
.btn-ghost:hover{background:rgba(56,189,248,.16);color:#fff;transform:translateY(-2px)}
.btn-sm{padding:10px 16px;font-size:.85rem;border-radius:10px}
.nav-toggle{
  display:none;margin-left:auto;background:rgba(56,189,248,.1);
  border:1px solid var(--line-strong);color:#fff;border-radius:10px;
  width:44px;height:44px;font-size:1.05rem;
}
.mobile-menu{display:none;border-top:1px solid var(--line);background:rgba(5,10,24,.97);padding:14px 20px 20px}
.mobile-menu.open{display:block}
.mobile-menu a{display:block;padding:12px 12px;border-radius:10px;font-weight:600;color:var(--txt-soft);border-bottom:1px solid rgba(56,189,248,.08)}
.mobile-menu a.active,.mobile-menu a:hover{color:#fff;background:rgba(56,189,248,.12)}
.mobile-menu .btn{width:100%;margin-top:12px}
/* PAGE HERO (magazine split) */
.cat-hero{position:relative;padding:58px 0 54px;overflow:hidden}
.cat-hero-bg{position:absolute;inset:0;background:url('/assets/images/1040b41be6b560ca.jpg') center/cover no-repeat;opacity:.2}
.cat-hero-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(115deg,rgba(5,10,24,.95),rgba(5,10,24,.72) 58%,rgba(5,10,24,.95))}
.cat-hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr .9fr;gap:42px;align-items:start}
.cat-hero h1{font-size:clamp(1.7rem,4vw,2.75rem);margin:14px 0 16px;line-height:1.2}
.crumb{display:flex;gap:8px;align-items:center;font-size:.8rem;color:var(--txt-dim);margin-bottom:8px;flex-wrap:wrap}
.crumb a{color:var(--txt-soft)}
.crumb a:hover{color:var(--cyan)}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:24px}
.hero-facts{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:28px}
.fact{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--radius);
  padding:16px;backdrop-filter:blur(10px);
}
.fact b{display:block;font-size:1.35rem;color:#fff;line-height:1.1}
.fact span{font-size:.78rem;color:var(--txt-soft)}
.feature-card{
  background:var(--panel);border:1px solid var(--line-strong);border-radius:var(--radius-l);
  box-shadow:var(--shadow);overflow:hidden;backdrop-filter:blur(12px);
}
.feature-card img{aspect-ratio:16/10;object-fit:cover;width:100%}
.feature-card .fc-body{padding:20px}
.feature-card h3{font-size:1.05rem;margin:0 0 8px}
.tag{display:inline-flex;align-items:center;gap:6px;font-size:.7rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;padding:5px 10px;border-radius:999px}
.tag-lime{color:var(--lime);background:rgba(163,230,53,.1);border:1px solid rgba(163,230,53,.32)}
.tag-cyan{color:var(--cyan);background:var(--cyan-soft);border:1px solid var(--line-strong)}
.tag-gold{color:var(--gold);background:rgba(251,191,36,.1);border:1px solid rgba(251,191,36,.32)}
/* CARDS & GRID */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.p-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;transition:transform var(--tr),box-shadow var(--tr),border-color var(--tr);
}
.p-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-glow)}
.p-card i.ico{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;
  background:rgba(56,189,248,.12);border:1px solid var(--line-strong);color:var(--cyan);
  font-size:1.05rem;margin-bottom:14px;
}
.p-card h3{font-size:1.05rem;margin:0 0 8px}
.p-card p{margin:0;color:var(--txt-soft);font-size:.92rem}
.check-list{list-style:none;margin:16px 0 0;padding:0;display:grid;gap:10px}
.check-list li{display:flex;gap:10px;font-size:.9rem;color:var(--txt-soft)}
.check-list i{color:var(--cyan);margin-top:4px}
/* STEPS */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.step{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px;position:relative;
}
.step .num{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  font-weight:800;background:linear-gradient(140deg,var(--blue),var(--cyan));color:#03101f;margin-bottom:12px;
}
.step h4{font-size:.98rem;margin:0 0 6px}
.step p{margin:0;color:var(--txt-soft);font-size:.88rem}
/* SPEC TABLE */
.spec{width:100%;border-collapse:separate;border-spacing:0;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.spec th,.spec td{padding:14px 16px;font-size:.9rem;border-bottom:1px solid var(--line);text-align:left}
.spec th{background:rgba(56,189,248,.08);color:#fff;font-weight:700}
.spec tr:last-child td{border-bottom:none}
.spec td:first-child{color:var(--txt-soft)}
.spec strong{color:var(--cyan)}
/* CMS list */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.news-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:transform var(--tr),border-color var(--tr),box-shadow var(--tr);
}
.news-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-glow)}
.news-card img{aspect-ratio:16/9;object-fit:cover;width:100%}
.news-card .nc-body{padding:18px}
.news-card h3{font-size:1rem;margin:10px 0 8px;line-height:1.4}
.news-card p{margin:0 0 10px;font-size:.86rem;color:var(--txt-soft)}
.news-meta{display:flex;justify-content:space-between;font-size:.74rem;color:var(--txt-dim);text-transform:uppercase;letter-spacing:.06em}
.empty-note{
  border:1px dashed var(--line-strong);border-radius:var(--radius);
  padding:26px;color:var(--txt-soft);text-align:center;background:var(--glass);
}
/* FAQ */
.faq-item{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--radius);
  margin-bottom:12px;overflow:hidden;
}
.faq-q{width:100%;text-align:left;background:none;border:none;color:#fff;font-weight:700;font-size:.98rem;padding:18px;display:flex;justify-content:space-between;gap:14px;align-items:center}
.faq-q span.chev{color:var(--cyan);transition:transform var(--tr)}
.faq-item.open .faq-q span.chev{transform:rotate(180deg)}
.faq-a{display:none;padding:0 18px 18px;color:var(--txt-soft);font-size:.92rem}
.faq-item.open .faq-a{display:block}
/* CTA */
.cta-band{
  background:linear-gradient(120deg,rgba(37,99,235,.34),rgba(34,211,238,.18));
  border:1px solid var(--line-strong);border-radius:var(--radius-l);
  padding:38px;text-align:center;box-shadow:var(--shadow-glow);
}
.cta-band h2{font-size:clamp(1.35rem,3vw,1.9rem);margin:0 0 12px}
.cta-band p{color:#cbd9ee;max-width:720px;margin:0 auto 22px}
/* FAB */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  width:58px;height:58px;border-radius:999px;
  display:grid;place-items:center;font-size:1.2rem;color:#03101f;
  background:linear-gradient(140deg,var(--blue-bright),var(--cyan));
  box-shadow:0 0 20px rgba(34,211,238,.6);
  opacity:.85;transition:transform var(--tr),opacity var(--tr),box-shadow var(--tr);
  animation:floaty 3.4s ease-in-out infinite;
}
.fab:hover{opacity:1;transform:scale(1.1);color:#03101f}
.fab:active{transform:translateY(3px) scale(.96)}
.fab .dot{position:absolute;top:4px;right:4px;width:12px;height:12px;border-radius:50%;background:var(--danger);border:2px solid #eaf2ff}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}
/* Sticky bottom bar */
.bottom-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:49;
  background:rgba(5,10,24,.92);backdrop-filter:blur(12px);
  border-top:1px solid var(--line-strong);
  padding:10px 16px;
}
.bottom-bar .bb-inner{max-width:1200px;margin:0 auto;display:flex;align-items:center;gap:14px;justify-content:space-between}
.bottom-bar b{font-size:.88rem}
.bottom-bar span{font-size:.78rem;color:var(--txt-soft)}
/* FOOTER */
.site-footer{padding:54px 0 96px;border-top:1px solid var(--line);background:rgba(5,10,24,.7)}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:30px}
.foot-brand{display:flex;gap:11px;align-items:flex-start;font-weight:800;font-size:.95rem;line-height:1.25;color:#fff;max-width:340px}
.foot-note{margin-top:14px;color:var(--txt-soft);font-size:.88rem;max-width:360px}
.licence-row{display:flex;gap:14px;flex-wrap:wrap;margin-top:16px;color:var(--txt-soft);font-size:.82rem}
.licence-row i{color:var(--cyan);margin-right:6px}
.foot-col h4{font-size:.86rem;letter-spacing:.1em;text-transform:uppercase;color:var(--cyan);margin:0 0 14px}
.foot-col ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.foot-col a{font-size:.88rem;color:var(--txt-soft)}
.foot-col a:hover{color:var(--cyan)}
.foot-bottom{
  margin-top:34px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:.8rem;color:var(--txt-dim);
}
.age-badge{
  display:inline-grid;place-items:center;width:34px;height:34px;border-radius:9px;
  border:1px solid var(--line-strong);color:var(--cyan);font-weight:800;font-size:.75rem;
}
/* Responsive */
@media (max-width:1024px){
  .cat-hero-grid{grid-template-columns:1fr;gap:30px}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
  .nav-links a{padding:8px 10px;font-size:.85rem}
}
@media (max-width:860px){
  .nav-links{display:none}
  .nav-toggle{display:grid;place-items:center}
  .nav-cta{display:none}
  .news-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:640px){
  .sec{padding:46px 0}
  .hero-facts{grid-template-columns:1fr 1fr}
  .grid-3,.grid-2,.news-grid,.steps{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .spec th,.spec td{padding:11px 12px;font-size:.84rem}
  .cta-band{padding:26px}
  .fab{left:12px;bottom:92px;width:52px;height:52px}
  .bottom-bar b{font-size:.8rem}
}

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}
[class*="cta"]::before,
[class*="cta"]::after,
[class*="card"]::before,
[class*="card"]::after,
.overlay,
.backdrop,
.mask {
    pointer-events: none !important;
    z-index: 0 !important;
}

[class*="cta"] *,
[class*="card"] * {
    position: relative;
    z-index: 2;
    opacity: 1 !important;
    filter: none !important;
}

[class*="cta"] h1, [class*="cta"] h2, [class*="cta"] h3,
[class*="cta"] p, [class*="cta"] span,
[class*="cta"] a, [class*="cta"] button {
    color: #ffffff !important;
    pointer-events: auto !important;
}