/* roulang page: index */
:root{
  --bg-deep:#030712;
  --bg-navy:#081229;
  --bg-elev:#0d1b33;
  --glass:rgba(17,31,56,.62);
  --glass-strong:rgba(13,27,51,.86);
  --line:rgba(56,189,248,.18);
  --line-strong:rgba(37,99,235,.42);
  --blue:#2563EB;
  --blue-soft:#3B82F6;
  --cyan:#38BDF8;
  --cyan-deep:#06B6D4;
  --text:#F8FAFC;
  --text-soft:#94A3B8;
  --text-dim:#64748B;
  --ok:#22D3EE;
  --gold:#FBBF24;
  --radius-s:10px;
  --radius-m:16px;
  --radius-l:24px;
  --radius-xl:32px;
  --shadow-glow:0 0 28px rgba(56,189,248,.28);
  --shadow-card:0 18px 42px -22px rgba(2,8,23,.9);
  --font:"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  background:
     radial-gradient(900px 500px at 12% -8%, rgba(37,99,235,.28), transparent 62%),
     radial-gradient(800px 460px at 92% 6%, rgba(6,182,212,.20), transparent 60%),
     linear-gradient(180deg,#030712 0%,#061022 46%,#030712 100%);
  color:var(--text);
  line-height:1.62;
  font-size:16px;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--cyan);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:#7dd3fc;}
ul{list-style:none;margin:0;padding:0;}
h1,h2,h3,h4{font-weight:800;line-height:1.24;letter-spacing:-.4px;margin:0 0 .6rem;}
p{margin:0 0 1rem;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(56,189,248,.7);outline-offset:3px;border-radius:6px;}

.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
.section{padding:74px 0;position:relative;}
.section.tight{padding:52px 0;}
.section-alt{background:linear-gradient(180deg,rgba(8,18,41,.7),rgba(3,7,18,.2));border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.74rem;font-weight:700;letter-spacing:1.6px;text-transform:uppercase;
  color:var(--cyan);background:rgba(37,99,235,.12);
  border:1px solid var(--line-strong);border-radius:999px;padding:7px 15px;margin-bottom:16px;
}
.section-title{font-size:clamp(1.5rem,2.7vw,2.15rem);margin-bottom:.7rem;}
.section-lead{color:var(--text-soft);max-width:760px;font-size:1.02rem;}
.text-grad{background:linear-gradient(96deg,#38BDF8 0%,#2563EB 45%,#7dd3fc 100%);-webkit-background-clip:text;background-clip:text;color:transparent;}

.btn-neon{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 26px;border-radius:999px;font-weight:700;font-size:.95rem;
  background:linear-gradient(96deg,#2563EB,#38BDF8);color:#04101f;border:none;
  box-shadow:0 0 22px rgba(56,189,248,.45);
  transition:transform .22s ease,box-shadow .22s ease,filter .22s ease;
}
.btn-neon:hover{color:#04101f;transform:translateY(-3px);box-shadow:0 0 34px rgba(56,189,248,.7);filter:brightness(1.08);}
.btn-neon:active{transform:translateY(0);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border-radius:999px;font-weight:700;font-size:.93rem;
  color:var(--cyan);background:rgba(56,189,248,.07);border:1px solid var(--line-strong);
  transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.btn-ghost:hover{background:rgba(56,189,248,.16);border-color:var(--cyan);color:#e0f2fe;transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}

.glass{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow-card);
}
.tag{
  display:inline-block;font-size:.7rem;font-weight:700;letter-spacing:.9px;text-transform:uppercase;
  padding:5px 11px;border-radius:8px;color:#7dd3fc;background:rgba(37,99,235,.18);border:1px solid var(--line-strong);
}
.tag.hot{color:#fde68a;background:rgba(251,191,36,.14);border-color:rgba(251,191,36,.42);}
.divider{height:1px;background:linear-gradient(90deg,transparent,var(--line-strong),transparent);margin:0;border:0;}

/* HEADER */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(3,7,18,.82);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;gap:18px;min-height:74px;}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto;}
.brand-mark{
  width:42px;height:42px;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(140deg,#2563EB,#38BDF8);color:#04101f;font-weight:900;font-size:1.1rem;
  box-shadow:var(--shadow-glow);
}
.brand-text{display:flex;flex-direction:column;line-height:1.12;}
.brand-text b{font-size:.98rem;color:#fff;letter-spacing:-.3px;}
.brand-text span{font-size:.7rem;color:var(--text-dim);letter-spacing:1.4px;text-transform:uppercase;}
.main-nav{margin-left:auto;display:flex;align-items:center;gap:6px;}
.main-nav a{
  padding:9px 14px;border-radius:10px;font-size:.92rem;font-weight:600;color:var(--text-soft);
  transition:color .2s ease,background .2s ease;
}
.main-nav a:hover{color:#e0f2fe;background:rgba(56,189,248,.1);}
.main-nav a.active{color:#fff;background:rgba(37,99,235,.24);border:1px solid var(--line-strong);}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-login{
  font-size:.9rem;font-weight:700;color:var(--cyan);padding:9px 6px;border:none;background:none;
}
.nav-login:hover{color:#7dd3fc;}
.nav-signup{
  padding:11px 20px;border-radius:999px;font-weight:800;font-size:.9rem;
  background:linear-gradient(96deg,#2563EB,#38BDF8);color:#04101f;border:none;
  box-shadow:0 0 18px rgba(56,189,248,.42);transition:transform .2s ease,box-shadow .2s ease;
}
.nav-signup:hover{color:#04101f;transform:translateY(-2px);box-shadow:0 0 28px rgba(56,189,248,.66);}
.nav-toggle{display:none;background:rgba(56,189,248,.1);border:1px solid var(--line-strong);color:var(--cyan);width:42px;height:42px;border-radius:12px;font-size:1.05rem;}

.mobile-drawer{
  display:none;border-top:1px solid var(--line);
  background:rgba(6,15,32,.97);padding:14px 20px 22px;
}
.mobile-drawer.open{display:block;}
.mobile-drawer a{display:block;padding:12px 10px;border-radius:10px;color:var(--text-soft);font-weight:600;}
.mobile-drawer a:hover,.mobile-drawer a.active{background:rgba(37,99,235,.2);color:#fff;}
.mobile-drawer .drawer-actions{display:flex;gap:10px;margin-top:12px;}
.mobile-drawer .drawer-actions .btn-ghost,.mobile-drawer .drawer-actions .btn-neon{flex:1;font-size:.86rem;padding:12px 10px;}

/* HERO */
.hero{
  position:relative;overflow:hidden;
  padding:96px 0 88px;
  background-image:linear-gradient(115deg,rgba(3,7,18,.94) 0%,rgba(8,18,41,.86) 48%,rgba(3,7,18,.95) 100%),url('/assets/images/f81f5a16970b4ed2.jpg');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.hero::after{
  content:"";position:absolute;inset:auto -10% -60% -10%;height:320px;
  background:radial-gradient(ellipse at center,rgba(56,189,248,.24),transparent 66%);
  pointer-events:none;
}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;}
.hero h1{font-size:clamp(1.85rem,3.5vw,3rem);margin-bottom:18px;}
.hero-lead{color:var(--text-soft);font-size:1.03rem;max-width:640px;margin-bottom:26px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px;}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;max-width:560px;}
.hero-stat{padding:16px 18px;border-radius:var(--radius-m);background:rgba(13,27,51,.7);border:1px solid var(--line);}
.hero-stat b{display:block;font-size:1.3rem;color:var(--cyan);letter-spacing:-.5px;}
.hero-stat span{font-size:.78rem;color:var(--text-dim);text-transform:uppercase;letter-spacing:1px;}
.hero-stage{position:relative;}
.hero-video{
  position:relative;border-radius:var(--radius-xl);overflow:hidden;
  border:1px solid var(--line-strong);box-shadow:var(--shadow-glow);
  background:#04101f;
}
.hero-video img{width:100%;height:340px;object-fit:cover;opacity:.78;}
.hero-video-overlay{
  position:absolute;inset:0;display:flex;flex-direction:column;justify-content:flex-end;gap:14px;
  padding:26px;background:linear-gradient(180deg,rgba(3,7,18,.15) 0%,rgba(3,7,18,.9) 78%);
}
.play-btn{
  position:absolute;top:42%;left:50%;transform:translate(-50%,-50%);
  width:76px;height:76px;border-radius:50%;border:2px solid rgba(56,189,248,.8);
  background:rgba(37,99,235,.32);color:#e0f2fe;font-size:1.5rem;
  display:grid;place-items:center;backdrop-filter:blur(6px);
  box-shadow:0 0 30px rgba(56,189,248,.6);animation:pulse 2.6s ease-in-out infinite;
}
@keyframes pulse{0%,100%{box-shadow:0 0 22px rgba(56,189,248,.45);}50%{box-shadow:0 0 40px rgba(56,189,248,.85);}}
.hero-video-overlay h3{font-size:1.02rem;margin:0;color:#fff;}
.hero-video-overlay p{margin:0;font-size:.86rem;color:var(--text-soft);}

/* CARDS */
.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;}
.info-card{
  padding:26px 24px;border-radius:var(--radius-l);
  background:var(--glass);border:1px solid var(--line);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.info-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:var(--shadow-glow);}
.info-card h3{font-size:1.06rem;margin-bottom:10px;}
.info-card p{color:var(--text-soft);font-size:.93rem;margin:0;}
.card-icon{
  width:50px;height:50px;border-radius:14px;display:grid;place-items:center;margin-bottom:16px;
  background:rgba(37,99,235,.18);border:1px solid var(--line-strong);color:var(--cyan);font-size:1.2rem;
}
.media-card{
  border-radius:var(--radius-l);overflow:hidden;background:var(--glass);
  border:1px solid var(--line);display:flex;flex-direction:column;height:100%;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.media-card:hover{transform:translateY(-5px);border-color:var(--cyan);box-shadow:var(--shadow-glow);}
.media-card img{height:190px;width:100%;object-fit:cover;}
.media-card-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.media-card-body h3{font-size:1.04rem;margin:0;}
.media-card-body h3 a{color:#fff;}
.media-card-body h3 a:hover{color:var(--cyan);}
.media-card-body p{font-size:.9rem;color:var(--text-soft);margin:0;}
.meta-row{display:flex;flex-wrap:wrap;gap:12px;font-size:.78rem;color:var(--text-dim);align-items:center;}
.meta-row i{color:var(--cyan);margin-right:5px;}

/* FIT / NOT FIT */
.fit-list li{
  display:flex;gap:12px;align-items:flex-start;padding:13px 0;border-bottom:1px dashed rgba(148,163,184,.16);
  color:var(--text-soft);font-size:.94rem;
}
.fit-list li:last-child{border-bottom:0;}
.fit-list i{color:var(--cyan);margin-top:4px;}
.fit-list.no i{color:#f87171;}

/* STEPS */
.step-line{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;counter-reset:step;}
.step-item{position:relative;padding:26px 22px 22px;border-radius:var(--radius-l);background:var(--glass);border:1px solid var(--line);}
.step-item::before{
  counter-increment:step;content:"0" counter(step);
  font-size:2rem;font-weight:900;color:rgba(56,189,248,.24);display:block;margin-bottom:10px;letter-spacing:-1px;
}
.step-item h3{font-size:1.02rem;}
.step-item p{font-size:.9rem;color:var(--text-soft);margin:0;}

/* SECTION IMAGE SPLIT */
.split{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;}
.split img{border-radius:var(--radius-l);border:1px solid var(--line);height:330px;width:100%;object-fit:cover;}
.check-list li{display:flex;gap:11px;padding:9px 0;color:var(--text-soft);font-size:.95rem;align-items:flex-start;}
.check-list i{color:var(--cyan);margin-top:5px;}

/* MATRIX */
.matrix-row{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.matrix-card{
  padding:22px;border-radius:var(--radius-m);background:linear-gradient(180deg,rgba(17,31,56,.75),rgba(8,18,41,.55));
  border:1px solid var(--line);transition:border-color .22s ease,transform .22s ease;
}
.matrix-card:hover{border-color:var(--cyan);transform:translateY(-4px);}
.matrix-card h3{font-size:1rem;}
.matrix-card p{font-size:.88rem;color:var(--text-soft);margin:0;}
.matrix-card a.more{font-size:.85rem;font-weight:700;display:inline-flex;gap:6px;align-items:center;margin-top:12px;}

/* RANK */
.rank-list{display:flex;flex-direction:column;gap:14px;}
.rank-item{
  display:grid;grid-template-columns:64px 1fr auto;gap:18px;align-items:center;
  padding:18px 20px;border-radius:var(--radius-m);background:var(--glass);border:1px solid var(--line);
  transition:border-color .2s ease,transform .2s ease;
}
.rank-item:hover{border-color:var(--line-strong);transform:translateX(4px);}
.rank-num{font-size:1.5rem;font-weight:900;color:rgba(56,189,248,.5);}
.rank-item h3{font-size:.99rem;margin:0 0 4px;}
.rank-item p{font-size:.85rem;color:var(--text-soft);margin:0;}
.rank-badge{font-size:.78rem;color:var(--gold);border:1px solid rgba(251,191,36,.4);background:rgba(251,191,36,.1);padding:6px 12px;border-radius:8px;white-space:nowrap;}

/* QUOTES */
.quote-card{padding:26px 24px;border-radius:var(--radius-l);background:var(--glass);border:1px solid var(--line);height:100%;}
.quote-card p{font-size:.94rem;color:#e2e8f0;font-style:italic;}
.quote-user{display:flex;align-items:center;gap:12px;margin-top:16px;}
.quote-avatar{width:42px;height:42px;border-radius:50%;background:linear-gradient(140deg,#2563EB,#38BDF8);display:grid;place-items:center;font-weight:800;color:#04101f;font-size:.9rem;}
.quote-user b{font-size:.88rem;display:block;}
.quote-user span{font-size:.76rem;color:var(--text-dim);}
.stars{color:var(--gold);font-size:.8rem;letter-spacing:2px;margin-bottom:12px;}

/* FAQ */
.faq-list{display:flex;flex-direction:column;gap:14px;}
.faq-item{padding:22px 24px;border-radius:var(--radius-m);background:var(--glass);border:1px solid var(--line);}
.faq-item h3{font-size:1rem;display:flex;gap:11px;align-items:flex-start;margin-bottom:10px;}
.faq-item h3 i{color:var(--cyan);margin-top:5px;}
.faq-item p{font-size:.92rem;color:var(--text-soft);margin:0;}

/* CTA BAND */
.cta-band{
  padding:46px 40px;border-radius:var(--radius-xl);
  background:linear-gradient(115deg,rgba(37,99,235,.3),rgba(6,182,212,.18));
  border:1px solid var(--line-strong);display:grid;grid-template-columns:1.4fr auto;gap:28px;align-items:center;
  box-shadow:var(--shadow-glow);
}
.cta-band h2{font-size:1.55rem;margin-bottom:8px;}
.cta-band p{color:var(--text-soft);margin:0;max-width:640px;}

/* TRUST BAR */
.trust-bar{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.trust-item{display:flex;gap:12px;align-items:center;padding:16px 18px;border-radius:var(--radius-m);background:rgba(13,27,51,.6);border:1px solid var(--line);}
.trust-item i{font-size:1.25rem;color:var(--cyan);}
.trust-item b{display:block;font-size:.9rem;}
.trust-item span{font-size:.76rem;color:var(--text-dim);}

/* PAY */
.pay-row{display:flex;flex-wrap:wrap;gap:12px;}
.pay-chip{
  display:inline-flex;align-items:center;gap:9px;padding:11px 18px;border-radius:12px;
  background:rgba(17,31,56,.8);border:1px solid var(--line-strong);font-size:.88rem;font-weight:600;color:#e2e8f0;
}
.pay-chip i{color:var(--cyan);}

/* ARTICLE LIST */
.news-wrap{display:grid;grid-template-columns:1.55fr 1fr;gap:32px;align-items:start;}
.news-main{display:flex;flex-direction:column;gap:20px;}
.news-item{display:grid;grid-template-columns:200px 1fr;gap:20px;padding:18px;border-radius:var(--radius-l);background:var(--glass);border:1px solid var(--line);transition:border-color .2s ease,transform .2s ease;}
.news-item:hover{border-color:var(--line-strong);transform:translateY(-3px);}
.news-item img{height:135px;width:100%;object-fit:cover;border-radius:var(--radius-s);}
.news-item h3{font-size:1rem;margin-bottom:8px;}
.news-item h3 a{color:#fff;}
.news-item h3 a:hover{color:var(--cyan);}
.news-item p{font-size:.88rem;color:var(--text-soft);margin-bottom:10px;}
.news-side{padding:24px;border-radius:var(--radius-l);background:var(--glass-strong);border:1px solid var(--line);position:sticky;top:96px;}
.news-side h3{font-size:1.02rem;margin-bottom:14px;}
.side-list li{padding:12px 0;border-bottom:1px dashed rgba(148,163,184,.16);}
.side-list li:last-child{border-bottom:0;}
.side-list a{font-size:.9rem;font-weight:600;color:#e2e8f0;display:block;}
.side-list a:hover{color:var(--cyan);}
.side-list span{font-size:.76rem;color:var(--text-dim);}
.empty-note{color:var(--text-dim);font-size:.92rem;padding:18px 0;}

/* FOOTER */
.site-footer{background:linear-gradient(180deg,rgba(6,15,32,.7),#020509);border-top:1px solid var(--line);padding:56px 0 26px;margin-top:20px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;}
.footer-grid h4{font-size:.95rem;margin-bottom:14px;color:#fff;}
.footer-grid p{font-size:.88rem;color:var(--text-soft);}
.footer-grid li{padding:6px 0;}
.footer-grid li a{font-size:.88rem;color:var(--text-soft);}
.footer-grid li a:hover{color:var(--cyan);}
.footer-bottom{border-top:1px solid var(--line);margin-top:34px;padding-top:22px;display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;}
.footer-bottom p{font-size:.82rem;color:var(--text-dim);margin:0;}
.footer-badges{display:flex;gap:10px;flex-wrap:wrap;}
.footer-badges span{font-size:.72rem;color:var(--text-soft);border:1px solid var(--line);border-radius:8px;padding:6px 11px;letter-spacing:.6px;}

/* FAB */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:1050;
  width:58px;height:58px;border-radius:50%;display:grid;place-items:center;
  background:rgba(7,7,13,.82);backdrop-filter:blur(10px);
  border:2px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.85),rgba(7,7,13,.85)),linear-gradient(135deg,#38BDF8,#2563EB,#EC4899);
  background-origin:border-box;background-clip:padding-box,border-box;
  color:#7dd3fc;font-size:1.3rem;
  box-shadow:0 0 22px rgba(6,182,212,.5);
  transition:transform .25s ease,opacity .25s ease,box-shadow .25s ease;
  opacity:.82;
}
.fab:hover{transform:scale(1.1);opacity:1;box-shadow:0 0 34px rgba(56,189,248,.85);color:#e0f2fe;}
.fab:active{transform:scale(.94);}
.fab .dot{position:absolute;top:6px;right:6px;width:11px;height:11px;border-radius:50%;background:#f43f5e;box-shadow:0 0 0 2px rgba(255,255,255,.85);animation:blink 1.6s infinite;}
@keyframes blink{0%,100%{opacity:1;}50%{opacity:.35;}}

@media(max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .step-line{grid-template-columns:1fr;}
  .split{grid-template-columns:1fr;gap:26px;}
  .matrix-row{grid-template-columns:1fr;}
  .news-wrap{grid-template-columns:1fr;}
  .news-side{position:static;}
  .trust-bar{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:repeat(2,1fr);}
  .cta-band{grid-template-columns:1fr;}
}
@media(max-width:860px){
  .main-nav,.nav-actions{display:none;}
  .nav-toggle{display:grid;place-items:center;margin-left:auto;}
  .brand-text span{display:none;}
}
@media(max-width:768px){
  .section{padding:56px 0;}
  .hero{padding:70px 0 62px;}
  .grid-3,.grid-2,.grid-4{grid-template-columns:1fr;}
  .hero-stats{grid-template-columns:1fr;}
  .news-item{grid-template-columns:1fr;}
  .news-item img{height:180px;}
  .rank-item{grid-template-columns:46px 1fr;gap:12px;}
  .rank-badge{grid-column:2;justify-self:start;}
  .cta-band{padding:32px 22px;}
}
@media(max-width:520px){
  .container-x{padding:0 15px;}
  .hero h1{font-size:1.58rem;}
  .section-title{font-size:1.34rem;}
  .brand-text b{font-size:.84rem;}
  .trust-bar{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .fab{width:52px;height:52px;font-size:1.15rem;bottom:86px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category1 */
:root{
  --bg-deep:#030712;
  --bg-navy:#081229;
  --bg-elev:#0d1b33;
  --glass:rgba(17,31,56,.62);
  --glass-strong:rgba(13,27,51,.86);
  --line:rgba(56,189,248,.18);
  --line-strong:rgba(37,99,235,.42);
  --blue:#2563EB;
  --blue-soft:#3B82F6;
  --cyan:#38BDF8;
  --cyan-deep:#06B6D4;
  --text:#F8FAFC;
  --text-soft:#94A3B8;
  --text-dim:#64748B;
  --ok:#22D3EE;
  --gold:#FBBF24;
  --radius-s:10px;
  --radius-m:16px;
  --radius-l:24px;
  --radius-xl:32px;
  --shadow-glow:0 0 28px rgba(56,189,248,.28);
  --shadow-card:0 18px 42px -22px rgba(2,8,23,.9);
  --font:"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  background:
     radial-gradient(900px 500px at 12% -8%, rgba(37,99,235,.28), transparent 62%),
     radial-gradient(800px 460px at 92% 6%, rgba(6,182,212,.20), transparent 60%),
     linear-gradient(180deg,#030712 0%,#061022 46%,#030712 100%);
  color:var(--text);
  line-height:1.62;
  font-size:16px;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--cyan);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:#7dd3fc;}
button{font-family:inherit;}
ul{list-style:none;padding:0;margin:0;}
h1,h2,h3,h4{font-weight:800;line-height:1.24;letter-spacing:-.4px;}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
.section{padding:74px 0;position:relative;}
.section.tight{padding:52px 0;}
.section-alt{background:linear-gradient(180deg,rgba(8,18,41,.7),rgba(3,7,18,.2));border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.74rem;font-weight:700;letter-spacing:1.6px;text-transform:uppercase;
  color:var(--cyan);background:rgba(37,99,235,.12);
  border:1px solid var(--line-strong);border-radius:999px;padding:7px 15px;margin-bottom:16px;
}
.section-title{font-size:clamp(1.5rem,2.7vw,2.15rem);margin-bottom:.7rem;}
.section-lead{color:var(--text-soft);max-width:760px;font-size:1.02rem;}
.text-grad{background:linear-gradient(96deg,#38BDF8 0%,#2563EB 45%,#7dd3fc 100%);-webkit-background-clip:text;background-clip:text;color:transparent;}
.btn-neon{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 26px;border-radius:999px;font-weight:700;font-size:.95rem;
  background:linear-gradient(96deg,#2563EB,#38BDF8);color:#04101f;border:none;
  box-shadow:0 0 22px rgba(56,189,248,.45);
  transition:transform .22s ease,box-shadow .22s ease,filter .22s ease;
}
.btn-neon:hover{color:#04101f;transform:translateY(-3px);box-shadow:0 0 34px rgba(56,189,248,.7);filter:brightness(1.08);}
.btn-neon:active{transform:translateY(0);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border-radius:999px;font-weight:700;font-size:.93rem;
  color:var(--cyan);background:rgba(56,189,248,.07);border:1px solid var(--line-strong);
  transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.btn-ghost:hover{background:rgba(56,189,248,.16);border-color:var(--cyan);color:#e0f2fe;transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.tag{
  display:inline-block;font-size:.7rem;font-weight:700;letter-spacing:.9px;text-transform:uppercase;
  padding:5px 11px;border-radius:8px;color:#7dd3fc;background:rgba(37,99,235,.18);border:1px solid var(--line-strong);
}
.tag.hot{color:#fde68a;background:rgba(251,191,36,.14);border-color:rgba(251,191,36,.42);}
.divider{height:1px;background:linear-gradient(90deg,transparent,var(--line-strong),transparent);margin:0;border:0;}
.glass-card{
  background:var(--glass);
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  box-shadow:var(--shadow-card);
  transition:border-color .25s ease,transform .25s ease,box-shadow .25s ease;
}
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(3,7,18,.82);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;gap:18px;min-height:74px;}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto;}
.brand-mark{
  width:42px;height:42px;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(140deg,#2563EB,#38BDF8);color:#04101f;font-weight:900;font-size:1.1rem;
  box-shadow:var(--shadow-glow);
}
.brand-text{display:flex;flex-direction:column;line-height:1.12;}
.brand-text b{font-size:.98rem;color:#fff;letter-spacing:-.3px;}
.brand-text span{font-size:.7rem;color:var(--text-dim);letter-spacing:1.4px;text-transform:uppercase;}
.main-nav{margin-left:auto;display:flex;align-items:center;gap:6px;}
.main-nav a{
  padding:9px 14px;border-radius:10px;font-size:.92rem;font-weight:600;color:var(--text-soft);
  transition:color .2s ease,background .2s ease;
}
.main-nav a:hover{color:#e0f2fe;background:rgba(56,189,248,.1);}
.main-nav a.active{color:#fff;background:rgba(37,99,235,.24);border:1px solid var(--line-strong);}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-login{font-size:.9rem;font-weight:700;color:var(--cyan);padding:9px 6px;border:none;background:none;}
.nav-login:hover{color:#7dd3fc;}
.nav-signup{
  padding:11px 20px;border-radius:999px;font-weight:800;font-size:.9rem;
  background:linear-gradient(96deg,#2563EB,#38BDF8);color:#04101f;border:none;
  box-shadow:0 0 18px rgba(56,189,248,.42);transition:transform .2s ease,box-shadow .2s ease;
}
.nav-signup:hover{color:#04101f;transform:translateY(-2px);box-shadow:0 0 28px rgba(56,189,248,.66);}
.nav-toggle{display:none;background:rgba(56,189,248,.1);border:1px solid var(--line-strong);color:var(--cyan);width:42px;height:42px;border-radius:12px;font-size:1.05rem;}
.mobile-drawer{display:none;border-top:1px solid var(--line);background:rgba(6,15,32,.97);padding:14px 20px 22px;}
.mobile-drawer.open{display:block;}
.mobile-drawer a{display:block;padding:12px 10px;border-radius:10px;color:var(--text-soft);font-weight:600;}
.mobile-drawer a:hover,.mobile-drawer a.active{background:rgba(37,99,235,.2);color:#fff;}
.mobile-drawer .drawer-actions{display:flex;gap:10px;margin-top:12px;}
.mobile-drawer .drawer-actions .btn-ghost,.mobile-drawer .drawer-actions .btn-neon{flex:1;font-size:.86rem;padding:12px 10px;}
.cat-hero{
  position:relative;overflow:hidden;padding:78px 0 66px;
  background-image:linear-gradient(112deg,rgba(3,7,18,.95) 0%,rgba(8,18,41,.84) 52%,rgba(3,7,18,.96) 100%),url('/assets/images/f81f5a16970b4ed2.jpg');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.cat-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(600px 320px at 82% 18%,rgba(56,189,248,.16),transparent 70%);
}
.cat-hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center;}
.cat-hero h1{font-size:clamp(1.7rem,4vw,2.75rem);margin:16px 0 14px;}
.cat-hero p.lead{color:#cbd5e1;font-size:1.04rem;max-width:640px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:26px;margin-top:30px;}
.hero-stats .stat b{display:block;font-size:1.5rem;color:#7dd3fc;font-weight:900;line-height:1.1;}
.hero-stats .stat span{font-size:.8rem;color:var(--text-dim);text-transform:uppercase;letter-spacing:1px;}
.hero-panel{
  background:var(--glass-strong);border:1px solid var(--line-strong);border-radius:var(--radius-l);
  padding:24px;box-shadow:var(--shadow-card);
}
.hero-panel h3{font-size:1.02rem;margin-bottom:14px;display:flex;align-items:center;gap:9px;}
.hero-panel h3 i{color:var(--cyan);}
.link-row{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:13px 15px;border-radius:var(--radius-m);
  background:rgba(8,18,41,.72);border:1px solid var(--line);margin-bottom:10px;
  transition:border-color .2s ease,background .2s ease;
}
.link-row:hover{border-color:var(--line-strong);background:rgba(13,27,51,.9);}
.link-row .lr-info{display:flex;flex-direction:column;line-height:1.3;}
.link-row .lr-info b{font-size:.94rem;color:#fff;}
.link-row .lr-info small{font-size:.76rem;color:var(--text-dim);}
.link-row .dot{width:9px;height:9px;border-radius:50%;background:var(--ok);box-shadow:0 0 10px var(--ok);display:inline-block;margin-right:7px;vertical-align:middle;}
.link-row .go{
  flex:0 0 auto;font-size:.8rem;font-weight:800;padding:8px 15px;border-radius:999px;
  background:linear-gradient(96deg,#2563EB,#38BDF8);color:#04101f;transition:transform .2s ease;
}
.link-row .go:hover{color:#04101f;transform:translateX(2px);}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:26px;}
.feature-card{padding:28px 24px;}
.feature-card .fc-icon{
  width:52px;height:52px;border-radius:15px;display:grid;place-items:center;font-size:1.3rem;
  background:rgba(37,99,235,.16);border:1px solid var(--line-strong);color:var(--cyan);margin-bottom:18px;
}
.feature-card h3{font-size:1.12rem;margin-bottom:10px;}
.feature-card p{color:var(--text-soft);font-size:.94rem;margin:0;}
.feature-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:0 22px 48px -22px rgba(56,189,248,.5);}
.scene-list li{
  display:flex;gap:14px;padding:16px 0;border-bottom:1px dashed rgba(56,189,248,.16);
}
.scene-list li:last-child{border-bottom:0;}
.scene-list i{color:var(--cyan);font-size:1.05rem;margin-top:4px;}
.scene-list b{display:block;color:#fff;font-size:1rem;margin-bottom:3px;}
.scene-list span{color:var(--text-soft);font-size:.92rem;}
.step-wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step;}
.step-item{position:relative;padding:26px 22px;background:var(--glass);border:1px solid var(--line);border-radius:var(--radius-l);}
.step-item::before{
  counter-increment:step;content:counter(step,decimal-leading-zero);
  font-size:1.6rem;font-weight:900;color:transparent;
  background:linear-gradient(96deg,#38BDF8,#2563EB);-webkit-background-clip:text;background-clip:text;
  display:block;margin-bottom:12px;
}
.step-item h4{font-size:1rem;margin-bottom:8px;}
.step-item p{color:var(--text-soft);font-size:.9rem;margin:0;}
.summary-box{
  background:linear-gradient(120deg,rgba(37,99,235,.14),rgba(6,182,212,.08));
  border:1px solid var(--line-strong);border-radius:var(--radius-l);padding:30px;
}
.summary-box h3{font-size:1.18rem;margin-bottom:12px;}
.summary-box p{color:#cbd5e1;margin:0;font-size:.96rem;}
.info-table{width:100%;border-collapse:collapse;font-size:.94rem;}
.info-table th,.info-table td{padding:14px 16px;border-bottom:1px solid var(--line);text-align:left;}
.info-table th{color:var(--cyan);font-size:.78rem;text-transform:uppercase;letter-spacing:1px;background:rgba(8,18,41,.6);}
.info-table tr:hover td{background:rgba(37,99,235,.08);}
.info-table td:first-child{color:#fff;font-weight:600;}
.info-table td{color:var(--text-soft);}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.news-card{overflow:hidden;display:flex;flex-direction:column;}
.news-card .thumb{position:relative;aspect-ratio:16/10;overflow:hidden;}
.news-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.news-card:hover .thumb img{transform:scale(1.06);}
.news-card .body{padding:20px;flex:1;display:flex;flex-direction:column;gap:10px;}
.news-card h3{font-size:1.02rem;margin:0;line-height:1.4;}
.news-card h3 a{color:#fff;}
.news-card h3 a:hover{color:var(--cyan);}
.news-card p{color:var(--text-soft);font-size:.9rem;margin:0;}
.meta-row{display:flex;gap:12px;font-size:.76rem;color:var(--text-dim);text-transform:uppercase;letter-spacing:.6px;margin-top:auto;}
.news-empty{padding:34px;text-align:center;color:var(--text-soft);background:var(--glass);border:1px dashed var(--line-strong);border-radius:var(--radius-l);}
.faq-item{background:var(--glass);border:1px solid var(--line);border-radius:var(--radius-m);margin-bottom:12px;overflow:hidden;}
.faq-q{
  width:100%;text-align:left;background:none;border:none;color:#fff;font-weight:700;font-size:1rem;
  padding:18px 22px;display:flex;justify-content:space-between;align-items:center;gap:14px;cursor:pointer;
}
.faq-q i{color:var(--cyan);transition:transform .25s ease;}
.faq-item.open .faq-q i{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;padding:0 22px;}
.faq-item.open .faq-a{max-height:400px;padding-bottom:20px;}
.faq-a p{color:var(--text-soft);font-size:.94rem;margin:0;}
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-xl);
  background-image:linear-gradient(115deg,rgba(3,7,18,.94),rgba(37,99,235,.35)),url('/assets/images/5c3434f304e4c5cd.jpg');
  background-size:cover;background-position:center;
  border:1px solid var(--line-strong);padding:52px 44px;text-align:center;
}
.cta-band h2{font-size:clamp(1.4rem,3vw,2rem);margin-bottom:12px;}
.cta-band p{color:#cbd5e1;max-width:640px;margin:0 auto 26px;font-size:1rem;}
.cta-band .hero-cta{justify-content:center;}
.channel-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px;}
.channel-chip{
  display:inline-flex;align-items:center;gap:9px;padding:11px 18px;border-radius:999px;
  background:rgba(8,18,41,.75);border:1px solid var(--line-strong);color:#e0f2fe;font-size:.88rem;font-weight:600;
}
.channel-chip i{color:var(--cyan);}
.trust-bar{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;}
.trust-bar span{
  display:inline-flex;align-items:center;gap:8px;font-size:.82rem;color:var(--text-soft);
  padding:9px 16px;border-radius:999px;background:rgba(8,18,41,.6);border:1px solid var(--line);
}
.trust-bar i{color:var(--ok);}
.site-footer{
  background:linear-gradient(180deg,rgba(6,15,32,.6),rgba(3,7,18,.98));
  border-top:1px solid var(--line);padding:56px 0 26px;margin-top:20px;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:34px;}
.footer-grid h4{font-size:.86rem;text-transform:uppercase;letter-spacing:1.2px;color:var(--cyan);margin-bottom:16px;}
.footer-grid p{color:var(--text-soft);font-size:.9rem;margin:0;}
.footer-grid ul li{margin-bottom:10px;}
.footer-grid ul li a{color:var(--text-soft);font-size:.9rem;}
.footer-grid ul li a:hover{color:var(--cyan);}
.footer-bottom{
  margin-top:38px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:16px;justify-content:space-between;align-items:center;
}
.footer-bottom p{margin:0;color:var(--text-dim);font-size:.83rem;}
.footer-badges{display:flex;flex-wrap:wrap;gap:10px;}
.footer-badges span{
  font-size:.74rem;color:#a5f3fc;padding:6px 13px;border-radius:999px;
  background:rgba(37,99,235,.14);border:1px solid var(--line-strong);font-weight:600;
}
.fab-support{
  position:fixed;left:16px;bottom:96px;z-index:1050;
  width:56px;height:56px;border-radius:18px;display:grid;place-items:center;
  background:rgba(7,7,13,.8);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border:2px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.85),rgba(7,7,13,.85)),linear-gradient(120deg,#38BDF8,#2563EB,#22D3EE);
  background-origin:border-box;background-clip:padding-box,border-box;
  color:var(--cyan);font-size:1.25rem;box-shadow:0 0 20px rgba(6,182,212,.45);
  transition:transform .25s ease,box-shadow .25s ease,opacity .25s ease;opacity:.78;
}
.fab-support:hover{opacity:1;transform:scale(1.1);box-shadow:0 0 30px rgba(6,182,212,.75);color:#fff;}
.fab-support:active{transform:scale(.95);}
.fab-support .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:pulseDot 1.6s infinite;
}
@keyframes pulseDot{0%,100%{transform:scale(1);opacity:1;}50%{transform:scale(1.25);opacity:.7;}}
.section-head-cat{margin-bottom:38px;}
@media(max-width:1024px){
  .cat-hero-grid{grid-template-columns:1fr;gap:32px;}
  .grid-4,.step-wrap{grid-template-columns:repeat(2,1fr);}
  .grid-3,.news-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .main-nav{display:none;}
  .nav-toggle{display:grid;place-items:center;margin-left:auto;}
  .nav-actions .nav-login,.nav-actions .nav-signup{display:inline-flex;}
}
@media(max-width:768px){
  .section{padding:56px 0;}
  .grid-3,.grid-4,.news-grid,.step-wrap{grid-template-columns:1fr;}
  .grid-2{grid-template-columns:1fr;}
  .cat-hero{padding:56px 0 48px;}
  .cta-band{padding:38px 22px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media(max-width:520px){
  .brand-text span{display:none;}
  .brand-text b{font-size:.85rem;}
  .nav-actions .nav-login{display:none;}
  .nav-signup{padding:10px 16px;font-size:.84rem;}
  .hero-stats{gap:18px;}
  .hero-stats .stat b{font-size:1.25rem;}
  .cat-hero h1{font-size:1.5rem;}
  .link-row{flex-direction:column;align-items:flex-start;}
  .link-row .go{width:100%;text-align:center;}
}

/* roulang page: article */
:root{
  --bg-deep:#030712;
  --bg-navy:#081229;
  --bg-elev:#0d1b33;
  --glass:rgba(17,31,56,.62);
  --glass-strong:rgba(13,27,51,.86);
  --line:rgba(56,189,248,.18);
  --line-strong:rgba(37,99,235,.42);
  --blue:#2563EB;
  --blue-soft:#3B82F6;
  --cyan:#38BDF8;
  --cyan-deep:#06B6D4;
  --text:#F8FAFC;
  --text-soft:#94A3B8;
  --text-dim:#64748B;
  --ok:#22D3EE;
  --gold:#FBBF24;
  --radius-s:10px;
  --radius-m:16px;
  --radius-l:24px;
  --radius-xl:32px;
  --shadow-glow:0 0 28px rgba(56,189,248,.28);
  --shadow-card:0 18px 42px -22px rgba(2,8,23,.9);
  --font:"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  background:
     radial-gradient(900px 500px at 12% -8%, rgba(37,99,235,.28), transparent 62%),
     radial-gradient(800px 460px at 92% 6%, rgba(6,182,212,.20), transparent 60%),
     linear-gradient(180deg,#030712 0%,#061022 46%,#030712 100%);
  color:var(--text);
  line-height:1.62;
  font-size:16px;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--cyan);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:#7dd3fc;}
button{font-family:inherit;}
ul{list-style:none;margin:0;padding:0;}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
.section{padding:74px 0;position:relative;}
.section.tight{padding:52px 0;}
.section-alt{background:linear-gradient(180deg,rgba(8,18,41,.7),rgba(3,7,18,.2));border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.74rem;font-weight:700;letter-spacing:1.6px;text-transform:uppercase;
  color:var(--cyan);background:rgba(37,99,235,.12);
  border:1px solid var(--line-strong);border-radius:999px;padding:7px 15px;margin-bottom:16px;
}
.section-title{font-size:clamp(1.5rem,2.7vw,2.15rem);margin-bottom:.7rem;color:#fff;font-weight:800;letter-spacing:-.4px;}
.section-lead{color:var(--text-soft);max-width:780px;font-size:1.02rem;margin:0;}
.btn-neon{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 26px;border-radius:999px;font-weight:700;font-size:.95rem;
  background:linear-gradient(96deg,#2563EB,#38BDF8);color:#04101f;border:none;
  box-shadow:0 0 22px rgba(56,189,248,.45);
  transition:transform .22s ease,box-shadow .22s ease,filter .22s ease;
}
.btn-neon:hover{color:#04101f;transform:translateY(-3px);box-shadow:0 0 34px rgba(56,189,248,.7);filter:brightness(1.08);}
.btn-neon:active{transform:translateY(0);}
.btn-neon:focus-visible{outline:2px solid #7dd3fc;outline-offset:3px;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border-radius:999px;font-weight:700;font-size:.93rem;
  color:var(--cyan);background:rgba(56,189,248,.07);border:1px solid var(--line-strong);
  transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.btn-ghost:hover{background:rgba(56,189,248,.16);border-color:var(--cyan);color:#e0f2fe;transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-ghost:focus-visible{outline:2px solid #7dd3fc;outline-offset:3px;}
.tag{
  display:inline-block;font-size:.7rem;font-weight:700;letter-spacing:.9px;text-transform:uppercase;
  padding:5px 11px;border-radius:8px;color:#7dd3fc;background:rgba(37,99,235,.18);border:1px solid var(--line-strong);
}
.tag.hot{color:#fde68a;background:rgba(251,191,36,.14);border-color:rgba(251,191,36,.42);}
.tag.ok{color:#a7f3d0;background:rgba(16,185,129,.14);border-color:rgba(16,185,129,.4);}
.divider{height:1px;background:linear-gradient(90deg,transparent,var(--line-strong),transparent);margin:0;border:0;}

/* ===== HEADER ===== */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(3,7,18,.82);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;gap:18px;min-height:74px;}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto;}
.brand-mark{
  width:42px;height:42px;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(140deg,#2563EB,#38BDF8);color:#04101f;font-weight:900;font-size:1.1rem;
  box-shadow:var(--shadow-glow);
}
.brand-text{display:flex;flex-direction:column;line-height:1.12;}
.brand-text b{font-size:.98rem;color:#fff;letter-spacing:-.3px;}
.brand-text span{font-size:.7rem;color:var(--text-dim);letter-spacing:1.4px;text-transform:uppercase;}
.main-nav{margin-left:auto;display:flex;align-items:center;gap:6px;}
.main-nav a{
  padding:9px 14px;border-radius:10px;font-size:.92rem;font-weight:600;color:var(--text-soft);
  transition:color .2s ease,background .2s ease;
}
.main-nav a:hover{color:#e0f2fe;background:rgba(56,189,248,.1);}
.main-nav a.active{color:#fff;background:rgba(37,99,235,.24);border:1px solid var(--line-strong);}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-login{font-size:.9rem;font-weight:700;color:var(--cyan);padding:9px 6px;border:none;background:none;}
.nav-login:hover{color:#7dd3fc;}
.nav-signup{
  padding:11px 20px;border-radius:999px;font-weight:800;font-size:.9rem;
  background:linear-gradient(96deg,#2563EB,#38BDF8);color:#04101f;border:none;
  box-shadow:0 0 18px rgba(56,189,248,.42);transition:transform .2s ease,box-shadow .2s ease;
}
.nav-signup:hover{color:#04101f;transform:translateY(-2px);box-shadow:0 0 28px rgba(56,189,248,.66);}
.nav-toggle{display:none;background:rgba(56,189,248,.1);border:1px solid var(--line-strong);color:var(--cyan);width:42px;height:42px;border-radius:12px;font-size:1.05rem;}
.mobile-drawer{display:none;border-top:1px solid var(--line);background:rgba(6,15,32,.97);padding:14px 20px 22px;}
.mobile-drawer.open{display:block;}
.mobile-drawer a{display:block;padding:12px 10px;border-radius:10px;color:var(--text-soft);font-weight:600;}
.mobile-drawer a:hover,.mobile-drawer a.active{background:rgba(37,99,235,.2);color:#fff;}
.mobile-drawer .drawer-actions{display:flex;gap:10px;margin-top:12px;}
.mobile-drawer .drawer-actions .btn-ghost,
.mobile-drawer .drawer-actions .btn-neon{flex:1;font-size:.86rem;padding:12px 10px;}

/* ===== ARTICLE HERO ===== */
.article-hero{
  position:relative;overflow:hidden;padding:58px 0 54px;
  background:linear-gradient(120deg,rgba(3,7,18,.95) 0%,rgba(8,18,41,.9) 55%,rgba(3,7,18,.96) 100%);
  border-bottom:1px solid var(--line);
}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/5c3434f304e4c5cd.jpg') center/cover no-repeat;
  opacity:.17;
}
.article-hero::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(56,189,248,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(56,189,248,.05) 1px,transparent 1px);
  background-size:52px 52px;
  mask-image:radial-gradient(circle at 25% 30%,#000 0%,transparent 72%);
  -webkit-mask-image:radial-gradient(circle at 25% 30%,#000 0%,transparent 72%);
}
.article-hero > .container-x{position:relative;z-index:2;}
.crumb{display:flex;align-items:center;gap:9px;font-size:.83rem;color:var(--text-dim);margin-bottom:20px;flex-wrap:wrap;}
.crumb a{color:var(--text-soft);font-weight:600;}
.crumb a:hover{color:var(--cyan);}
.crumb-current{color:var(--cyan);}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(0,1fr);gap:40px;align-items:start;}
.hero-tags{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:18px;}
.article-hero h1{
  font-size:clamp(1.6rem,3.2vw,2.5rem);
  line-height:1.28;font-weight:800;letter-spacing:-.6px;color:#fff;margin:0 0 18px;
}
.hero-lede{color:#cbd5e1;font-size:1.04rem;line-height:1.7;margin:0 0 24px;max-width:720px;}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px 22px;color:var(--text-soft);font-size:.86rem;}
.hero-meta span{display:inline-flex;align-items:center;gap:8px;}
.hero-meta i{color:var(--cyan);}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}

.hero-status{
  background:var(--glass-strong);
  border:1px solid var(--line);border-radius:var(--radius-l);
  padding:20px;box-shadow:var(--shadow-card);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
}
.hero-status-img{
  width:100%;height:132px;object-fit:cover;
  border-radius:var(--radius-m);border:1px solid var(--line);margin-bottom:16px;
}
.hero-status h2{font-size:.86rem;letter-spacing:1.3px;text-transform:uppercase;color:var(--text-soft);margin:0 0 14px;font-weight:700;}
.stat-row{display:flex;align-items:baseline;justify-content:space-between;gap:14px;padding:10px 0;border-bottom:1px dashed rgba(56,189,248,.18);}
.stat-row:last-child{border-bottom:0;padding-bottom:0;}
.stat-row dt{color:var(--text-soft);font-size:.88rem;font-weight:500;margin:0;}
.stat-row dd{margin:0;font-size:1.02rem;font-weight:800;color:#fff;}
.stat-row dd em{font-style:normal;color:var(--ok);font-size:.8rem;font-weight:700;margin-left:6px;}

/* ===== SUMMARY STRIP ===== */
.summary-strip{padding:0;margin-top:-30px;position:relative;z-index:5;}
.summary-list{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;
  background:var(--glass-strong);border:1px solid var(--line-strong);
  border-radius:var(--radius-l);box-shadow:var(--shadow-card);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);overflow:hidden;
}
.summary-list li{display:flex;gap:13px;padding:22px 22px;border-right:1px solid var(--line);align-items:flex-start;}
.summary-list li:last-child{border-right:0;}
.summary-list i{
  flex:0 0 auto;width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
  background:rgba(37,99,235,.18);border:1px solid var(--line-strong);color:var(--cyan);font-size:.95rem;
}
.summary-list b{display:block;color:#fff;font-size:.94rem;margin-bottom:4px;}
.summary-list small{color:var(--text-soft);font-size:.83rem;line-height:1.5;display:block;}

/* ===== ARTICLE BODY ===== */
.article-body-section{background:linear-gradient(180deg,rgba(8,18,41,.35),rgba(3,7,18,0));}
.article-shell{max-width:840px;}
.article-content{font-size:1.03rem;color:#cbd5e1;line-height:1.72;}
.article-content h2{
  font-size:clamp(1.25rem,2.1vw,1.6rem);color:#fff;margin:42px 0 15px;font-weight:800;letter-spacing:-.3px;
  padding-left:16px;border-left:3px solid var(--cyan);line-height:1.36;
}
.article-content h2:first-child{margin-top:0;}
.article-content h3{font-size:1.12rem;color:#e2e8f0;margin:30px 0 11px;font-weight:700;}
.article-content h4{font-size:1rem;color:#e2e8f0;margin:22px 0 9px;font-weight:700;}
.article-content p{margin:0 0 17px;}
.article-content ul,.article-content ol{margin:0 0 20px;padding-left:22px;}
.article-content ul{list-style:disc;}
.article-content ol{list-style:decimal;}
.article-content li{margin-bottom:9px;}
.article-content strong{color:#fff;font-weight:700;}
.article-content a{color:var(--cyan);text-decoration:underline;text-underline-offset:3px;}
.article-content img{border-radius:var(--radius-m);margin:24px 0;border:1px solid var(--line);}
.article-content blockquote{
  margin:26px 0;padding:17px 21px;border-left:3px solid var(--blue-soft);
  background:rgba(37,99,235,.08);border-radius:0 var(--radius-s) var(--radius-s) 0;color:#dbeafe;
}
.article-content blockquote p:last-child{margin-bottom:0;}
.article-content table{width:100%;border-collapse:collapse;margin:22px 0;font-size:.94rem;}
.article-content th,.article-content td{border:1px solid var(--line);padding:11px 13px;text-align:left;}
.article-content th{background:rgba(37,99,235,.14);color:#fff;font-weight:700;}
.article-content code{background:rgba(56,189,248,.12);padding:2px 7px;border-radius:6px;color:#7dd3fc;font-size:.9em;}
.article-content hr{border:0;height:1px;background:linear-gradient(90deg,transparent,var(--line-strong),transparent);margin:34px 0;}
.empty-state{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--radius-l);
  padding:44px 30px;text-align:left;
}
.empty-state h2{margin:14px 0 10px;font-size:1.35rem;color:#fff;}
.empty-state p{color:var(--text-soft);margin:0 0 22px;}

/* ===== CHANNEL MATRIX ===== */
.channel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;margin-top:34px;}
.channel-card{
  display:block;padding:26px 24px;border-radius:var(--radius-l);
  background:var(--glass);border:1px solid var(--line);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease,background .25s ease;
}
.channel-card:hover{
  transform:translateY(-6px);border-color:var(--line-strong);
  background:rgba(17,31,56,.85);
  box-shadow:0 0 32px rgba(56,189,248,.22);
}
.channel-card .ch-icon{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(37,99,235,.32),rgba(56,189,248,.18));
  border:1px solid var(--line-strong);color:var(--cyan);font-size:1.05rem;margin-bottom:16px;
}
.channel-card h3{font-size:1.1rem;color:#fff;margin:0 0 9px;font-weight:800;}
.channel-card p{color:var(--text-soft);font-size:.92rem;margin:0 0 16px;line-height:1.6;}
.channel-card .ch-more{font-size:.88rem;font-weight:700;color:var(--cyan);display:inline-flex;align-items:center;gap:7px;}
.channel-card:hover .ch-more{gap:11px;}

/* ===== ACCESS STATUS ===== */
.status-list{margin-top:34px;border-top:1px solid var(--line);}
.status-item{
  display:grid;grid-template-columns:1.5fr 1.2fr .9fr 1.4fr;gap:18px;align-items:center;
  padding:19px 6px;border-bottom:1px solid var(--line);transition:background .2s ease;
}
.status-item:hover{background:rgba(37,99,235,.07);}
.status-item .st-name{font-weight:700;color:#fff;font-size:.96rem;}
.status-item .st-name small{display:block;color:var(--text-dim);font-size:.78rem;font-weight:500;margin-top:3px;}
.status-item .st-zone{color:var(--text-soft);font-size:.9rem;}
.status-item .st-ping{color:var(--ok);font-weight:700;font-size:.9rem;}
.status-head{padding:12px 6px;border-bottom:1px solid var(--line-strong);}
.status-head span{font-size:.76rem;letter-spacing:1.3px;text-transform:uppercase;color:var(--text-dim);font-weight:700;}

/* ===== SCENARIOS ===== */
.scene-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;margin-top:34px;}
.scene-card{
  padding:26px 24px;border-radius:var(--radius-l);
  background:linear-gradient(160deg,rgba(13,27,51,.85),rgba(8,18,41,.55));
  border:1px solid var(--line);transition:border-color .25s ease,transform .25s ease;
}
.scene-card:hover{border-color:var(--line-strong);transform:translateY(-5px);}
.scene-card i.sc-icon{font-size:1.5rem;color:var(--cyan);margin-bottom:14px;display:block;}
.scene-card h3{font-size:1.05rem;color:#fff;margin:0 0 10px;font-weight:800;}
.scene-card p{color:var(--text-soft);font-size:.92rem;margin:0;line-height:1.65;}

/* ===== FAQ ===== */
.faq-wrap{margin-top:34px;display:grid;gap:14px;}
.faq-item{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--radius-m);
  padding:0;overflow:hidden;transition:border-color .25s ease,background .25s ease;
}
.faq-item:hover{border-color:var(--line-strong);}
.faq-item summary{
  cursor:pointer;list-style:none;padding:19px 22px;font-weight:700;color:#fff;font-size:1rem;
  display:flex;align-items:flex-start;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
  color:var(--cyan);font-size:.8rem;flex:0 0 auto;margin-top:5px;transition:transform .25s ease;
}
.faq-item[open] summary::after{content:"\f068";}
.faq-item[open]{background:rgba(17,31,56,.85);border-color:var(--line-strong);}
.faq-item .faq-body{padding:0 22px 20px;color:var(--text-soft);font-size:.95rem;line-height:1.7;}
.faq-item .faq-body p{margin:0 0 12px;}
.faq-item .faq-body p:last-child{margin-bottom:0;}

/* ===== FINAL CTA ===== */
.final-cta{
  position:relative;overflow:hidden;border-radius:var(--radius-xl);
  border:1px solid var(--line-strong);
  background:linear-gradient(130deg,rgba(37,99,235,.26),rgba(6,182,212,.14) 55%,rgba(3,7,18,.9));
  padding:50px 44px;box-shadow:var(--shadow-card);
}
.final-cta::before{
  content:"";position:absolute;right:-90px;top:-90px;width:290px;height:290px;border-radius:50%;
  background:radial-gradient(circle,rgba(56,189,248,.3),transparent 68%);
}
.final-cta .cta-inner{position:relative;z-index:2;max-width:680px;}
.final-cta h2{font-size:clamp(1.4rem,2.6vw,2rem);color:#fff;margin:0 0 14px;font-weight:800;letter-spacing:-.4px;}
.final-cta p{color:#dbeafe;margin:0 0 26px;font-size:1rem;line-height:1.68;}
.final-cta .cta-actions{display:flex;flex-wrap:wrap;gap:13px;}

/* ===== FAB ===== */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  display:inline-flex;align-items:center;gap:10px;
  padding:12px 18px 12px 13px;border-radius:999px;
  background:rgba(7,7,13,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.86),rgba(7,7,13,.86)),
                   linear-gradient(120deg,#38BDF8,#2563EB,#06B6D4);
  background-origin:border-box;background-clip:padding-box,border-box;
  box-shadow:0 0 20px rgba(6,182,212,.45);
  color:#e0f2fe;font-weight:700;font-size:.86rem;
  opacity:.78;transition:opacity .25s ease,transform .25s ease,box-shadow .25s ease;
  animation:fabPulse 3.2s ease-in-out infinite;
}
.fab:hover{opacity:1;transform:translateY(-3px);box-shadow:0 0 34px rgba(56,189,248,.75);color:#fff;}
.fab:active{transform:translateY(0);}
.fab .fab-icon{
  width:32px;height:32px;border-radius:50%;display:grid;place-items:center;
  background:linear-gradient(140deg,#2563EB,#38BDF8);color:#04101f;font-size:.9rem;
}
.fab .fab-dot{
  position:absolute;top:6px;right:9px;width:9px;height:9px;border-radius:50%;
  background:#f43f5e;box-shadow:0 0 10px rgba(244,63,94,.9);
  animation:dotBlink 1.6s ease-in-out infinite;
}
@keyframes fabPulse{0%,100%{box-shadow:0 0 18px rgba(6,182,212,.38);}50%{box-shadow:0 0 30px rgba(56,189,248,.62);}}
@keyframes dotBlink{0%,100%{opacity:1;}50%{opacity:.35;}}

/* ===== FOOTER ===== */
.site-footer{
  border-top:1px solid var(--line);
  background:linear-gradient(180deg,rgba(8,18,41,.75),rgba(3,7,18,.98));
  padding:58px 0 26px;margin-top:20px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:34px;}
.footer-grid h4{font-size:.82rem;letter-spacing:1.4px;text-transform:uppercase;color:#fff;margin:0 0 16px;font-weight:800;}
.footer-grid p{color:var(--text-soft);font-size:.9rem;line-height:1.7;margin:0;}
.footer-grid ul li{margin-bottom:10px;}
.footer-grid ul a{color:var(--text-soft);font-size:.9rem;}
.footer-grid ul a:hover{color:var(--cyan);}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  margin-top:40px;padding-top:22px;border-top:1px solid var(--line);
}
.footer-bottom p{margin:0;color:var(--text-dim);font-size:.84rem;}
.footer-badges{display:flex;gap:9px;flex-wrap:wrap;}
.footer-badges span{
  font-size:.74rem;font-weight:700;letter-spacing:.6px;color:#7dd3fc;
  border:1px solid var(--line-strong);background:rgba(37,99,235,.12);
  padding:6px 12px;border-radius:999px;
}

/* ===== RESPONSIVE ===== */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:30px;}
  .summary-list{grid-template-columns:repeat(2,minmax(0,1fr));}
  .summary-list li:nth-child(2){border-right:0;}
  .summary-list li:nth-child(1),
  .summary-list li:nth-child(2){border-bottom:1px solid var(--line);}
  .channel-grid,.scene-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;}
  .status-item{grid-template-columns:1.4fr 1fr .8fr;gap:14px;}
  .status-item .st-note{display:none;}
}
@media (max-width:820px){
  .main-nav{display:none;}
  .nav-toggle{display:grid;place-items:center;}
  .nav-actions .nav-login{display:none;}
  .section{padding:56px 0;}
  .article-hero{padding:42px 0 40px;}
}
@media (max-width:620px){
  body{font-size:15.5px;}
  .container-x{padding:0 16px;}
  .nav-wrap{min-height:66px;gap:12px;}
  .brand-text b{font-size:.86rem;}
  .brand-text span{font-size:.63rem;letter-spacing:1px;}
  .nav-signup{padding:10px 15px;font-size:.84rem;}
  .summary-list{grid-template-columns:1fr;}
  .summary-list li{border-right:0;border-bottom:1px solid var(--line);padding:18px;}
  .summary-list li:last-child{border-bottom:0;}
  .channel-grid,.scene-grid{grid-template-columns:1fr;}
  .status-item{grid-template-columns:1fr;gap:6px;padding:16px 4px;}
  .status-head{display:none;}
  .status-item .st-zone{font-size:.85rem;}
  .final-cta{padding:34px 22px;}
  .final-cta .cta-actions .btn-neon,
  .final-cta .cta-actions .btn-ghost{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .fab{bottom:80px;left:12px;font-size:.8rem;padding:10px 15px 10px 11px;}
  .article-content{font-size:1rem;}
}

/* roulang page: category2 */
:root{
  --bg-deep:#030712;
  --bg-navy:#081229;
  --bg-elev:#0d1b33;
  --glass:rgba(17,31,56,.62);
  --glass-strong:rgba(13,27,51,.86);
  --line:rgba(56,189,248,.18);
  --line-strong:rgba(37,99,235,.42);
  --blue:#2563EB;
  --blue-soft:#3B82F6;
  --cyan:#38BDF8;
  --cyan-deep:#06B6D4;
  --text:#F8FAFC;
  --text-soft:#94A3B8;
  --text-dim:#64748B;
  --ok:#22D3EE;
  --gold:#FBBF24;
  --radius-s:10px;
  --radius-m:16px;
  --radius-l:24px;
  --radius-xl:32px;
  --shadow-glow:0 0 28px rgba(56,189,248,.28);
  --shadow-card:0 18px 42px -22px rgba(2,8,23,.9);
  --font:"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  background:
     radial-gradient(900px 500px at 12% -8%, rgba(37,99,235,.28), transparent 62%),
     radial-gradient(800px 460px at 92% 6%, rgba(6,182,212,.20), transparent 60%),
     linear-gradient(180deg,#030712 0%,#061022 46%,#030712 100%);
  color:var(--text);
  line-height:1.62;
  font-size:16px;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--cyan);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:#7dd3fc;}
button{font-family:inherit;}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
.section{padding:74px 0;position:relative;}
.section.tight{padding:52px 0;}
.section-alt{background:linear-gradient(180deg,rgba(8,18,41,.7),rgba(3,7,18,.2));border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.74rem;font-weight:700;letter-spacing:1.6px;text-transform:uppercase;
  color:var(--cyan);background:rgba(37,99,235,.12);
  border:1px solid var(--line-strong);border-radius:999px;padding:7px 15px;margin-bottom:16px;
}
.section-title{font-size:clamp(1.5rem,2.7vw,2.15rem);margin-bottom:.7rem;font-weight:800;letter-spacing:-.4px;}
.section-lead{color:var(--text-soft);max-width:760px;font-size:1.02rem;}
.text-grad{background:linear-gradient(96deg,#38BDF8 0%,#2563EB 45%,#7dd3fc 100%);-webkit-background-clip:text;background-clip:text;color:transparent;}
.btn-neon{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 26px;border-radius:999px;font-weight:700;font-size:.95rem;
  background:linear-gradient(96deg,#2563EB,#38BDF8);color:#04101f;border:none;
  box-shadow:0 0 22px rgba(56,189,248,.45);
  transition:transform .22s ease,box-shadow .22s ease,filter .22s ease;
}
.btn-neon:hover{color:#04101f;transform:translateY(-3px);box-shadow:0 0 34px rgba(56,189,248,.7);filter:brightness(1.08);}
.btn-neon:active{transform:translateY(0);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border-radius:999px;font-weight:700;font-size:.93rem;
  color:var(--cyan);background:rgba(56,189,248,.07);border:1px solid var(--line-strong);
  transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.btn-ghost:hover{background:rgba(56,189,248,.16);border-color:var(--cyan);color:#e0f2fe;transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.tag{
  display:inline-block;font-size:.7rem;font-weight:700;letter-spacing:.9px;text-transform:uppercase;
  padding:5px 11px;border-radius:8px;color:#7dd3fc;background:rgba(37,99,235,.18);border:1px solid var(--line-strong);
}
.tag.hot{color:#fde68a;background:rgba(251,191,36,.14);border-color:rgba(251,191,36,.42);}
.divider{height:1px;background:linear-gradient(90deg,transparent,var(--line-strong),transparent);margin:0;border:0;}
/* HEADER */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(3,7,18,.82);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;gap:18px;min-height:74px;}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto;}
.brand-mark{
  width:42px;height:42px;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(140deg,#2563EB,#38BDF8);color:#04101f;font-weight:900;font-size:1.1rem;
  box-shadow:var(--shadow-glow);
}
.brand-text{display:flex;flex-direction:column;line-height:1.12;}
.brand-text b{font-size:.98rem;color:#fff;letter-spacing:-.3px;}
.brand-text span{font-size:.7rem;color:var(--text-dim);letter-spacing:1.4px;text-transform:uppercase;}
.main-nav{margin-left:auto;display:flex;align-items:center;gap:6px;}
.main-nav a{
  padding:9px 14px;border-radius:10px;font-size:.92rem;font-weight:600;color:var(--text-soft);
  transition:color .2s ease,background .2s ease;
}
.main-nav a:hover{color:#e0f2fe;background:rgba(56,189,248,.1);}
.main-nav a.active{color:#fff;background:rgba(37,99,235,.24);border:1px solid var(--line-strong);}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-login{
  font-size:.9rem;font-weight:700;color:var(--cyan);padding:9px 6px;border:none;background:none;
}
.nav-login:hover{color:#7dd3fc;}
.nav-signup{
  padding:11px 20px;border-radius:999px;font-weight:800;font-size:.9rem;
  background:linear-gradient(96deg,#2563EB,#38BDF8);color:#04101f;border:none;
  box-shadow:0 0 18px rgba(56,189,248,.42);transition:transform .2s ease,box-shadow .2s ease;
}
.nav-signup:hover{color:#04101f;transform:translateY(-2px);box-shadow:0 0 28px rgba(56,189,248,.66);}
.nav-toggle{display:none;background:rgba(56,189,248,.1);border:1px solid var(--line-strong);color:var(--cyan);width:42px;height:42px;border-radius:12px;font-size:1.05rem;}
.mobile-drawer{
  display:none;border-top:1px solid var(--line);
  background:rgba(6,15,32,.97);padding:14px 20px 22px;
}
.mobile-drawer.open{display:block;}
.mobile-drawer a{display:block;padding:12px 10px;border-radius:10px;color:var(--text-soft);font-weight:600;}
.mobile-drawer a:hover,.mobile-drawer a.active{background:rgba(37,99,235,.2);color:#fff;}
.mobile-drawer .drawer-actions{display:flex;gap:10px;margin-top:12px;}
.mobile-drawer .drawer-actions .btn-ghost,.mobile-drawer .drawer-actions .btn-neon{flex:1;font-size:.86rem;padding:12px 10px;}
/* HERO */
.hero-cat{
  position:relative;overflow:hidden;
  padding:92px 0 78px;
  background-image:linear-gradient(115deg,rgba(3,7,18,.95) 0%,rgba(8,18,41,.86) 50%,rgba(3,7,18,.96) 100%),url('/assets/images/5c3434f304e4c5cd.jpg');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.hero-cat::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(680px 340px at 82% 18%,rgba(56,189,248,.20),transparent 62%);
}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.08fr .92fr;gap:52px;align-items:center;}
.hero-cat h1{font-size:clamp(1.85rem,3.5vw,2.9rem);font-weight:900;letter-spacing:-.9px;line-height:1.2;margin-bottom:18px;}
.hero-cat p.lead{color:var(--text-soft);font-size:1.06rem;max-width:640px;margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.hero-bullets{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:10px 22px;}
.hero-bullets li{display:flex;align-items:center;gap:9px;font-size:.92rem;color:var(--text-soft);}
.hero-bullets i{color:var(--cyan);}
.hero-panel{
  background:var(--glass);border:1px solid var(--line-strong);border-radius:var(--radius-l);
  padding:26px;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow-card);
}
.hero-panel h3{font-size:1.06rem;font-weight:800;margin-bottom:6px;}
.hero-panel .sub{font-size:.86rem;color:var(--text-dim);margin-bottom:18px;}
.status-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 0;border-bottom:1px dashed rgba(148,163,184,.2);font-size:.9rem;}
.status-row:last-of-type{border-bottom:none;}
.status-row .name{color:var(--text-soft);display:flex;align-items:center;gap:9px;}
.dot{width:9px;height:9px;border-radius:50%;background:var(--ok);box-shadow:0 0 10px rgba(34,211,238,.9);}
.dot.warn{background:var(--gold);box-shadow:0 0 10px rgba(251,191,36,.9);}
.status-pill{font-size:.74rem;font-weight:800;letter-spacing:.6px;text-transform:uppercase;padding:4px 10px;border-radius:8px;color:#a7f3d0;background:rgba(16,185,129,.16);border:1px solid rgba(16,185,129,.35);}
.status-pill.wait{color:#fde68a;background:rgba(251,191,36,.14);border-color:rgba(251,191,36,.4);}
/* CARD GRID */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:26px;}
.feature-card{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--radius-m);
  padding:26px 24px;height:100%;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.feature-card:hover{transform:translateY(-6px);border-color:var(--line-strong);box-shadow:var(--shadow-glow);}
.feature-icon{
  width:48px;height:48px;border-radius:14px;display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(37,99,235,.28),rgba(56,189,248,.18));
  border:1px solid var(--line-strong);color:var(--cyan);font-size:1.15rem;margin-bottom:16px;
}
.feature-card h3{font-size:1.08rem;font-weight:800;margin-bottom:9px;}
.feature-card p{color:var(--text-soft);font-size:.93rem;margin:0;}
/* SCENE */
.scene-item{display:flex;gap:18px;padding:22px 0;border-bottom:1px solid var(--line);}
.scene-item:last-child{border-bottom:none;}
.scene-num{
  flex:0 0 auto;width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  font-weight:900;color:#04101f;background:linear-gradient(140deg,#38BDF8,#2563EB);
}
.scene-item h3{font-size:1.05rem;font-weight:800;margin-bottom:7px;}
.scene-item p{color:var(--text-soft);font-size:.94rem;margin:0;}
/* STEPS */
.step-line{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;position:relative;}
.step-box{background:var(--glass);border:1px solid var(--line);border-radius:var(--radius-m);padding:24px 20px;height:100%;}
.step-box .step-tag{font-size:.72rem;font-weight:800;letter-spacing:1.2px;text-transform:uppercase;color:var(--cyan);margin-bottom:10px;display:block;}
.step-box h3{font-size:1rem;font-weight:800;margin-bottom:8px;}
.step-box p{color:var(--text-soft);font-size:.9rem;margin:0;}
/* COMPARE TABLE */
.cmp-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius-m);background:var(--glass);}
table.cmp{width:100%;border-collapse:collapse;min-width:620px;}
table.cmp th,table.cmp td{padding:15px 18px;text-align:left;font-size:.92rem;border-bottom:1px solid var(--line);}
table.cmp th{background:rgba(37,99,235,.16);color:#e0f2fe;font-weight:800;font-size:.82rem;letter-spacing:.8px;text-transform:uppercase;}
table.cmp td{color:var(--text-soft);}
table.cmp tr:last-child td{border-bottom:none;}
table.cmp td strong{color:#fff;}
/* FAQ */
.faq-item{background:var(--glass);border:1px solid var(--line);border-radius:var(--radius-m);padding:6px 22px;margin-bottom:12px;}
.faq-item summary{
  list-style:none;cursor:pointer;font-weight:700;font-size:1rem;padding:16px 0;
  display:flex;align-items:center;justify-content:space-between;gap:14px;color:#fff;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary i{color:var(--cyan);transition:transform .25s ease;flex:0 0 auto;}
.faq-item[open] summary i{transform:rotate(45deg);}
.faq-item p{color:var(--text-soft);font-size:.94rem;margin:0 0 16px;}
/* CTA */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-xl);
  padding:52px 44px;
  background-image:linear-gradient(112deg,rgba(8,18,41,.95),rgba(3,7,18,.9)),url('/assets/images/001a0f6719ff083b.jpg');
  background-size:cover;background-position:center;
  border:1px solid var(--line-strong);box-shadow:var(--shadow-card);
}
.cta-band h2{font-size:clamp(1.4rem,2.6vw,2rem);font-weight:900;margin-bottom:12px;letter-spacing:-.6px;}
.cta-band p{color:var(--text-soft);max-width:620px;margin-bottom:24px;}
/* POST LIST */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.post-card{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--radius-m);
  overflow:hidden;display:flex;flex-direction:column;height:100%;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.post-card:hover{transform:translateY(-6px);border-color:var(--line-strong);box-shadow:var(--shadow-glow);}
.post-thumb{aspect-ratio:16/9;overflow:hidden;background:rgba(13,27,51,.9);}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.post-card:hover .post-thumb img{transform:scale(1.06);}
.post-body{padding:20px 20px 22px;display:flex;flex-direction:column;flex:1;}
.post-meta{display:flex;align-items:center;gap:10px;font-size:.76rem;color:var(--text-dim);text-transform:uppercase;letter-spacing:.8px;margin-bottom:10px;}
.post-card h3{font-size:1rem;font-weight:800;line-height:1.42;margin-bottom:10px;}
.post-card h3 a{color:#fff;}
.post-card h3 a:hover{color:var(--cyan);}
.post-card p{color:var(--text-soft);font-size:.9rem;margin:0 0 14px;}
.post-more{margin-top:auto;font-weight:700;font-size:.88rem;color:var(--cyan);}
.empty-note{
  border:1px dashed var(--line-strong);border-radius:var(--radius-m);
  padding:34px;text-align:center;color:var(--text-soft);background:rgba(13,27,51,.5);
}
/* FOOTER */
.site-footer{
  border-top:1px solid var(--line);background:linear-gradient(180deg,rgba(6,15,32,.9),rgba(3,7,18,.98));
  padding:56px 0 26px;margin-top:20px;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:34px;}
.site-footer p{color:var(--text-soft);font-size:.9rem;}
.site-footer h4{font-size:.86rem;font-weight:800;letter-spacing:1px;text-transform:uppercase;color:#e0f2fe;margin-bottom:14px;}
.site-footer ul{list-style:none;padding:0;margin:0;}
.site-footer ul li{margin-bottom:9px;}
.site-footer ul li a{color:var(--text-soft);font-size:.9rem;}
.site-footer ul li a:hover{color:var(--cyan);}
.footer-bottom{
  margin-top:36px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
}
.footer-bottom p{margin:0;font-size:.84rem;color:var(--text-dim);}
.footer-badges{display:flex;gap:10px;flex-wrap:wrap;}
.footer-badges span{
  font-size:.72rem;font-weight:700;letter-spacing:.7px;text-transform:uppercase;
  padding:5px 11px;border-radius:8px;color:var(--cyan);
  background:rgba(56,189,248,.08);border:1px solid var(--line-strong);
}
/* 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(140deg,#0d1b33,#2563EB);color:#e0f2fe;font-size:1.2rem;
  border:1px solid rgba(56,189,248,.55);box-shadow:0 0 20px rgba(6,182,212,.45);
  opacity:.85;transition:transform .25s ease,opacity .25s ease,box-shadow .25s ease;
}
.fab:hover{opacity:1;transform:scale(1.1);box-shadow:0 0 32px rgba(6,182,212,.75);color:#fff;}
.fab:active{transform:scale(.95) translateY(2px);}
.fab .badge-dot{
  position:absolute;top:2px;right:2px;width:13px;height:13px;border-radius:50%;
  background:#EF4444;border:2px solid #04101f;
}
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .post-grid{grid-template-columns:repeat(2,1fr);}
  .step-line{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:768px){
  .main-nav{display:none;}
  .nav-toggle{display:grid;place-items:center;margin-left:auto;}
  .nav-actions{margin-left:0;}
  .nav-actions .nav-login{display:none;}
  .section{padding:56px 0;}
  .grid-2{grid-template-columns:1fr;}
  .cta-band{padding:38px 26px;}
}
@media (max-width:560px){
  .grid-3{grid-template-columns:1fr;}
  .post-grid{grid-template-columns:1fr;}
  .step-line{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .hero-cat{padding:64px 0 56px;}
  .brand-text b{font-size:.86rem;}
  .brand-text span{font-size:.62rem;}
  .nav-signup{padding:10px 15px;font-size:.84rem;}
  .hero-actions .btn-neon,.hero-actions .btn-ghost{width:100%;}
}

/* roulang page: category3 */
:root{
  --bg-deep:#030712;
  --bg-navy:#081229;
  --bg-elev:#0d1b33;
  --glass:rgba(17,31,56,.62);
  --glass-strong:rgba(13,27,51,.86);
  --line:rgba(56,189,248,.18);
  --line-strong:rgba(37,99,235,.42);
  --blue:#2563EB;
  --blue-soft:#3B82F6;
  --cyan:#38BDF8;
  --cyan-deep:#06B6D4;
  --text:#F8FAFC;
  --text-soft:#94A3B8;
  --text-dim:#64748B;
  --ok:#22D3EE;
  --gold:#FBBF24;
  --radius-s:10px;
  --radius-m:16px;
  --radius-l:24px;
  --radius-xl:32px;
  --shadow-glow:0 0 28px rgba(56,189,248,.28);
  --shadow-card:0 18px 42px -22px rgba(2,8,23,.9);
  --font:"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  background:
     radial-gradient(900px 500px at 12% -8%, rgba(37,99,235,.28), transparent 62%),
     radial-gradient(800px 460px at 92% 6%, rgba(6,182,212,.20), transparent 60%),
     linear-gradient(180deg,#030712 0%,#061022 46%,#030712 100%);
  color:var(--text);
  line-height:1.62;
  font-size:16px;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--cyan);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:#7dd3fc;}
button{font-family:inherit;}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
.section{padding:74px 0;position:relative;}
.section.tight{padding:52px 0;}
.section-alt{background:linear-gradient(180deg,rgba(8,18,41,.7),rgba(3,7,18,.2));border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:.74rem;font-weight:700;letter-spacing:1.6px;text-transform:uppercase;
  color:var(--cyan);background:rgba(37,99,235,.12);
  border:1px solid var(--line-strong);border-radius:999px;padding:7px 15px;margin-bottom:16px;
}
.section-title{font-size:clamp(1.5rem,2.7vw,2.15rem);margin-bottom:.7rem;}
.section-lead{color:var(--text-soft);max-width:760px;font-size:1.02rem;}
.text-grad{background:linear-gradient(96deg,#38BDF8 0%,#2563EB 45%,#7dd3fc 100%);-webkit-background-clip:text;background-clip:text;color:transparent;}
.btn-neon{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 26px;border-radius:999px;font-weight:700;font-size:.95rem;
  background:linear-gradient(96deg,#2563EB,#38BDF8);color:#04101f;border:none;
  box-shadow:0 0 22px rgba(56,189,248,.45);
  transition:transform .22s ease,box-shadow .22s ease,filter .22s ease;
}
.btn-neon:hover{color:#04101f;transform:translateY(-3px);box-shadow:0 0 34px rgba(56,189,248,.7);filter:brightness(1.08);}
.btn-neon:active{transform:translateY(0);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;border-radius:999px;font-weight:700;font-size:.93rem;
  color:var(--cyan);background:rgba(56,189,248,.07);border:1px solid var(--line-strong);
  transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.btn-ghost:hover{background:rgba(56,189,248,.16);border-color:var(--cyan);color:#e0f2fe;transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.tag{
  display:inline-block;font-size:.7rem;font-weight:700;letter-spacing:.9px;text-transform:uppercase;
  padding:5px 11px;border-radius:8px;color:#7dd3fc;background:rgba(37,99,235,.18);border:1px solid var(--line-strong);
}
.tag.hot{color:#fde68a;background:rgba(251,191,36,.14);border-color:rgba(251,191,36,.42);}
.divider{height:1px;background:linear-gradient(90deg,transparent,var(--line-strong),transparent);margin:0;border:0;}
/* HEADER */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(3,7,18,.82);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);
}
.nav-wrap{display:flex;align-items:center;gap:18px;min-height:74px;}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto;}
.brand-mark{
  width:42px;height:42px;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(140deg,#2563EB,#38BDF8);color:#04101f;font-weight:900;font-size:1.1rem;
  box-shadow:var(--shadow-glow);
}
.brand-text{display:flex;flex-direction:column;line-height:1.12;}
.brand-text b{font-size:.98rem;color:#fff;letter-spacing:-.3px;}
.brand-text span{font-size:.7rem;color:var(--text-dim);letter-spacing:1.4px;text-transform:uppercase;}
.main-nav{margin-left:auto;display:flex;align-items:center;gap:6px;}
.main-nav a{
  padding:9px 14px;border-radius:10px;font-size:.92rem;font-weight:600;color:var(--text-soft);
  transition:color .2s ease,background .2s ease;
}
.main-nav a:hover{color:#e0f2fe;background:rgba(56,189,248,.1);}
.main-nav a.active{color:#fff;background:rgba(37,99,235,.24);border:1px solid var(--line-strong);}
.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.nav-login{
  font-size:.9rem;font-weight:700;color:var(--cyan);padding:9px 6px;border:none;background:none;
}
.nav-login:hover{color:#7dd3fc;}
.nav-signup{
  padding:11px 20px;border-radius:999px;font-weight:800;font-size:.9rem;
  background:linear-gradient(96deg,#2563EB,#38BDF8);color:#04101f;border:none;
  box-shadow:0 0 18px rgba(56,189,248,.42);transition:transform .2s ease,box-shadow .2s ease;
}
.nav-signup:hover{color:#04101f;transform:translateY(-2px);box-shadow:0 0 28px rgba(56,189,248,.66);}
.nav-toggle{display:none;background:rgba(56,189,248,.1);border:1px solid var(--line-strong);color:var(--cyan);width:42px;height:42px;border-radius:12px;font-size:1.05rem;}
.mobile-drawer{
  display:none;border-top:1px solid var(--line);
  background:rgba(6,15,32,.97);padding:14px 20px 22px;
}
.mobile-drawer.open{display:block;}
.mobile-drawer a{display:block;padding:12px 10px;border-radius:10px;color:var(--text-soft);font-weight:600;}
.mobile-drawer a:hover,.mobile-drawer a.active{background:rgba(37,99,235,.2);color:#fff;}
.mobile-drawer .drawer-actions{display:flex;gap:10px;margin-top:12px;}
.mobile-drawer .drawer-actions .btn-ghost,.mobile-drawer .drawer-actions .btn-neon{flex:1;font-size:.86rem;padding:12px 10px;}
/* HERO (category variant: split portal) */
.cat-hero{
  position:relative;overflow:hidden;padding:88px 0 74px;
  background-image:linear-gradient(115deg,rgba(3,7,18,.95) 0%,rgba(8,18,41,.88) 50%,rgba(3,7,18,.96) 100%),url('/assets/images/5c3434f304e4c5cd.jpg');
  background-size:cover;background-position:center;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(760px 380px at 88% 12%, rgba(6,182,212,.22), transparent 62%);
}
.cat-hero .container-x{position:relative;z-index:2;}
.cat-hero h1{font-size:clamp(1.8rem,3.6vw,2.7rem);font-weight:800;line-height:1.22;margin-bottom:18px;}
.cat-hero p.lead{color:var(--text-soft);font-size:1.05rem;max-width:640px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
.quick-grid{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;
}
.quick-tile{
  display:flex;flex-direction:column;gap:8px;padding:18px;border-radius:var(--radius-m);
  background:var(--glass);border:1px solid var(--line);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.quick-tile:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-glow);}
.quick-tile i{font-size:1.25rem;color:var(--cyan);}
.quick-tile b{font-size:.95rem;color:#fff;font-weight:700;}
.quick-tile span{font-size:.82rem;color:var(--text-soft);}
/* Cards */
.card-x{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--radius-l);
  padding:26px;height:100%;
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.card-x:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:var(--shadow-card);}
.card-x h3{font-size:1.08rem;font-weight:700;margin-bottom:10px;color:#fff;}
.card-x p{color:var(--text-soft);font-size:.94rem;margin:0;}
.icon-badge{
  width:48px;height:48px;border-radius:14px;display:grid;place-items:center;margin-bottom:16px;
  background:linear-gradient(140deg,rgba(37,99,235,.34),rgba(56,189,248,.16));
  border:1px solid var(--line-strong);color:var(--cyan);font-size:1.15rem;
}
/* Scenarios */
.scene-item{
  display:flex;gap:16px;padding:20px;border-radius:var(--radius-m);
  background:rgba(13,27,51,.5);border:1px solid var(--line);height:100%;
  transition:border-color .22s ease,background .22s ease;
}
.scene-item:hover{border-color:var(--line-strong);background:rgba(17,31,56,.72);}
.scene-item .num{
  flex:0 0 auto;width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
  background:rgba(37,99,235,.24);border:1px solid var(--line-strong);
  color:var(--cyan);font-weight:800;font-size:.95rem;
}
.scene-item h3{font-size:1rem;font-weight:700;margin-bottom:6px;color:#fff;}
.scene-item p{margin:0;color:var(--text-soft);font-size:.9rem;}
/* Steps */
.step-track{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}
.step-box{
  position:relative;padding:24px 20px;border-radius:var(--radius-m);
  background:var(--glass-strong);border:1px solid var(--line);
}
.step-box::before{
  content:attr(data-step);position:absolute;top:-14px;left:20px;
  width:30px;height:30px;border-radius:9px;display:grid;place-items:center;
  background:linear-gradient(96deg,#2563EB,#38BDF8);color:#04101f;font-weight:900;font-size:.84rem;
}
.step-box h3{font-size:1rem;font-weight:700;margin:12px 0 8px;color:#fff;}
.step-box p{margin:0;color:var(--text-soft);font-size:.9rem;}
/* Security checklist */
.check-list{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;padding:16px 18px;border-radius:var(--radius-m);
  background:rgba(13,27,51,.46);border:1px solid var(--line);
}
.check-list li i{color:var(--ok);margin-top:3px;font-size:1rem;}
.check-list li span{color:var(--text-soft);font-size:.92rem;}
.check-list li b{color:#fff;display:block;margin-bottom:3px;font-size:.96rem;}
/* Payment strip */
.pay-strip{display:flex;flex-wrap:wrap;gap:14px;}
.pay-chip{
  display:flex;align-items:center;gap:10px;padding:14px 20px;border-radius:var(--radius-m);
  background:var(--glass);border:1px solid var(--line);font-weight:700;font-size:.9rem;color:#fff;
  transition:transform .2s ease,border-color .2s ease;
}
.pay-chip:hover{transform:translateY(-3px);border-color:var(--cyan);}
.pay-chip i{color:var(--cyan);font-size:1.1rem;}
/* FAQ */
.faq-item{
  border:1px solid var(--line);border-radius:var(--radius-m);overflow:hidden;
  background:rgba(13,27,51,.5);margin-bottom:12px;
}
.faq-q{
  width:100%;text-align:left;background:none;border:none;color:#fff;font-weight:700;
  font-size:1rem;padding:18px 20px;display:flex;justify-content:space-between;gap:14px;align-items:center;
  cursor:pointer;transition:background .2s ease;
}
.faq-q:hover{background:rgba(56,189,248,.07);}
.faq-q i{color:var(--cyan);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;padding:0 20px;}
.faq-item.open .faq-a{max-height:340px;padding-bottom:20px;}
.faq-a p{color:var(--text-soft);font-size:.93rem;margin:0;}
/* CTA band */
.cta-band{
  border-radius:var(--radius-xl);padding:44px 34px;text-align:center;
  background:linear-gradient(120deg,rgba(37,99,235,.28),rgba(6,182,212,.16));
  border:1px solid var(--line-strong);
  box-shadow:var(--shadow-glow);
}
.cta-band h2{font-size:clamp(1.4rem,2.6vw,2rem);margin-bottom:12px;}
.cta-band p{color:var(--text-soft);max-width:680px;margin:0 auto 24px;}
/* Content list */
.post-card{
  display:flex;flex-direction:column;height:100%;border-radius:var(--radius-l);overflow:hidden;
  background:var(--glass);border:1px solid var(--line);
  transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;
}
.post-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:var(--shadow-card);}
.post-thumb{aspect-ratio:16/9;overflow:hidden;background:#0a1navy;}
.post-thumb img{width:100%;height:100%;object-fit:cover;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-body h3{font-size:1.02rem;font-weight:700;color:#fff;margin:0;line-height:1.42;}
.post-body p{color:var(--text-soft);font-size:.88rem;margin:0;}
.post-meta{display:flex;gap:10px;align-items:center;font-size:.76rem;color:var(--text-dim);}
.empty-note{color:var(--text-soft);text-align:center;padding:26px 0;}
/* FOOTER */
.site-footer{
  background:linear-gradient(180deg,rgba(3,7,18,.4),rgba(8,18,41,.9));
  border-top:1px solid var(--line);padding:60px 0 28px;margin-top:0;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:34px;}
.site-footer h4{font-size:.95rem;font-weight:800;color:#fff;margin-bottom:16px;letter-spacing:.2px;}
.site-footer p{color:var(--text-soft);font-size:.88rem;}
.site-footer ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px;}
.site-footer ul a{color:var(--text-soft);font-size:.9rem;}
.site-footer ul a:hover{color:var(--cyan);}
.footer-bottom{
  margin-top:40px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;
}
.footer-bottom p{margin:0;font-size:.82rem;color:var(--text-dim);}
.footer-badges{display:flex;gap:10px;flex-wrap:wrap;}
.footer-badges span{
  font-size:.72rem;font-weight:700;padding:6px 12px;border-radius:8px;
  background:rgba(37,99,235,.16);border:1px solid var(--line-strong);color:#7dd3fc;
}
/* 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,.82);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border:2px solid transparent;
  background-clip:padding-box;
  box-shadow:0 0 22px rgba(6,182,212,.45);
  color:var(--cyan);font-size:1.2rem;
  transition:transform .22s ease,box-shadow .22s ease,opacity .22s ease;
  opacity:.8;
}
.fab::before{
  content:"";position:absolute;inset:-2px;border-radius:50%;z-index:-1;
  background:linear-gradient(135deg,#2563EB,#38BDF8,#06B6D4);
}
.fab:hover{transform:scale(1.1);opacity:1;box-shadow:0 0 32px rgba(56,189,248,.7);}
.fab:active{transform:scale(.95);}
.fab .dot{
  position:absolute;top:2px;right:2px;width:12px;height:12px;border-radius:50%;
  background:#EF4444;box-shadow:0 0 8px rgba(239,68,68,.9);animation:pulse 1.6s infinite;
}
@keyframes pulse{0%,100%{opacity:1;}50%{opacity:.45;}}
@media (max-width:1024px){
  .main-nav{display:none;}
  .nav-toggle{display:grid;place-items:center;margin-left:auto;}
  .nav-actions{display:none;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .step-track{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:768px){
  .section{padding:56px 0;}
  .cat-hero{padding:64px 0 56px;}
  .quick-grid{grid-template-columns:1fr;}
  .check-list{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .cta-band{padding:32px 22px;}
}
@media (max-width:520px){
  .step-track{grid-template-columns:1fr;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn-neon,.hero-actions .btn-ghost{width:100%;}
  .brand-text b{font-size:.86rem;}
  .fab{left:12px;bottom:88px;width:52px;height:52px;}
}

/* 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}