/* roulang page: index */
:root{
  --bg-0:#030712;
  --bg-1:#081229;
  --bg-2:#0d1b3a;
  --panel:rgba(17,29,54,0.72);
  --panel-solid:#0f1c38;
  --glass:rgba(56,189,248,0.07);
  --line:rgba(96,165,250,0.22);
  --line-soft:rgba(96,165,250,0.12);
  --txt:#f8fafc;
  --txt-mut:#94a3b8;
  --txt-dim:#64748b;
  --blue:#2563eb;
  --cyan:#38bdf8;
  --holo:#60a5fa;
  --volt:#22d3ee;
  --gold:#fbbf24;
  --radius-s:10px;
  --radius:16px;
  --radius-l:24px;
  --shadow:0 18px 50px -22px rgba(2,8,20,0.95);
  --glow:0 0 24px rgba(56,189,248,0.35);
  --glow-strong:0 0 34px rgba(56,189,248,0.55);
  --ff:'Segoe UI',system-ui,-apple-system,'Helvetica Neue',Arial,'Noto Sans',sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;padding:0;
  font-family:var(--ff);
  font-size:16px;line-height:1.6;
  color:var(--txt);
  background:
    radial-gradient(1200px 600px at 80% -5%,rgba(37,99,235,0.28),transparent 60%),
    radial-gradient(900px 500px at 5% 12%,rgba(34,211,238,0.14),transparent 55%),
    linear-gradient(180deg,var(--bg-0) 0%,var(--bg-1) 45%,var(--bg-0) 100%);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--cyan);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:var(--volt);}
h1,h2,h3,h4{font-family:var(--ff);font-weight:800;line-height:1.25;margin:0 0 .6em;letter-spacing:-.01em;}
h1{font-size:clamp(1.9rem,4.6vw,3.15rem);}
h2{font-size:clamp(1.5rem,3.2vw,2.25rem);}
h3{font-size:clamp(1.12rem,2.1vw,1.4rem);}
p{margin:0 0 1em;}
ul{list-style:none;margin:0;padding:0;}
.container{width:100%;max-width:1220px;margin:0 auto;padding:0 20px;}
.section{padding:74px 0;position:relative;}
.section--tight{padding:52px 0;}
.section--line{border-top:1px solid var(--line-soft);}
.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:rgba(56,189,248,.09);
  border:1px solid var(--line);border-radius:999px;
  padding:7px 16px;margin-bottom:18px;
}
.eyebrow i{font-size:.72rem;}
.lead{font-size:1.04rem;color:var(--txt-mut);max-width:74ch;}
.section-head{max-width:760px;margin-bottom:38px;}
.section-head h2{margin-bottom:.35em;}
.section-head p{color:var(--txt-mut);margin-bottom:0;}

/* ===== HEADER / NAV ===== */
.site-header{
  position:sticky;top:0;z-index:900;
  background:rgba(3,7,18,.82);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line-soft);
}
.nav-wrap{display:flex;align-items:center;gap:22px;min-height:74px;}
.brand{display:flex;align-items:center;gap:12px;flex:0 1 auto;min-width:0;}
.brand-mark{
  width:44px;height:44px;flex:0 0 44px;border-radius:13px;
  display:grid;place-items:center;
  background:linear-gradient(145deg,#2563eb,#38bdf8 60%,#22d3ee);
  box-shadow:var(--glow);
  color:#04122b;font-weight:900;font-size:1.05rem;
}
.brand-text{display:flex;flex-direction:column;min-width:0;}
.brand-text b{
  font-size:.95rem;font-weight:800;color:var(--txt);
  line-height:1.2;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:280px;
}
.brand-text span{font-size:.68rem;color:var(--txt-dim);letter-spacing:.1em;text-transform:uppercase;}
.nav-menu{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-menu a{
  font-size:.86rem;font-weight:600;color:var(--txt-mut);
  padding:9px 14px;border-radius:10px;white-space:nowrap;
  border:1px solid transparent;transition:all .2s ease;
}
.nav-menu a:hover{color:var(--txt);background:rgba(56,189,248,.08);border-color:var(--line-soft);}
.nav-menu a.active{color:var(--volt);background:rgba(34,211,238,.1);border-color:var(--line);}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:8px;}
.btn-ghost{
  padding:9px 18px;border-radius:11px;font-size:.84rem;font-weight:700;
  color:var(--cyan);border:1px solid var(--line);background:transparent;white-space:nowrap;
  transition:all .2s ease;cursor:pointer;
}
.btn-ghost:hover{color:var(--txt);border-color:var(--cyan);background:rgba(56,189,248,.1);}
.btn-solid{
  padding:10px 20px;border-radius:11px;font-size:.84rem;font-weight:800;
  color:#04122b;white-space:nowrap;cursor:pointer;
  background:linear-gradient(135deg,#38bdf8,#22d3ee 55%,#2563eb);
  box-shadow:var(--glow);border:none;
  transition:transform .2s ease,box-shadow .2s ease;
}
.btn-solid:hover{transform:translateY(-2px);box-shadow:var(--glow-strong);color:#04122b;}
.menu-toggle{
  display:none;margin-left:auto;width:46px;height:46px;border-radius:12px;
  border:1px solid var(--line);background:rgba(56,189,248,.07);color:var(--cyan);
  font-size:1.1rem;cursor:pointer;
}
.mobile-drawer{
  display:none;border-top:1px solid var(--line-soft);
  background:rgba(3,7,18,.97);padding:14px 20px 20px;
}
.mobile-drawer.open{display:block;}
.mobile-drawer a{
  display:block;padding:12px 14px;border-radius:10px;color:var(--txt-mut);
  font-weight:600;font-size:.92rem;border:1px solid transparent;
}
.mobile-drawer a:hover,.mobile-drawer a.active{color:var(--volt);background:rgba(34,211,238,.08);border-color:var(--line-soft);}
.mobile-drawer .drawer-actions{display:flex;gap:10px;margin-top:12px;}
.mobile-drawer .drawer-actions a{flex:1;text-align:center;}

/* ===== HERO ===== */
.hero{
  position:relative;overflow:hidden;
  padding:88px 0 70px;
  border-bottom:1px solid var(--line-soft);
}
.hero-bg{
  position:absolute;inset:0;z-index:0;
  background-image:url('/assets/images/b34c4ed85e044e24.jpg');
  background-size:cover;background-position:center;
  opacity:.30;filter:saturate(1.15) contrast(1.05);
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(3,7,18,.62) 0%,rgba(3,7,18,.86) 70%,var(--bg-0) 100%),
    radial-gradient(700px 340px at 78% 22%,rgba(56,189,248,.28),transparent 68%);
}
.hero .container{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:44px;align-items:start;}
.hero h1{margin-bottom:.45em;}
.hero h1 .accent{
  background:linear-gradient(120deg,#38bdf8,#22d3ee 45%,#60a5fa);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{font-size:1.06rem;color:var(--txt-mut);max-width:66ch;margin-bottom:26px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px;}
.btn-hero{
  display:inline-flex;align-items:center;gap:10px;
  padding:15px 30px;border-radius:14px;font-size:.95rem;font-weight:800;
  color:#04122b;background:linear-gradient(135deg,#22d3ee,#38bdf8 50%,#2563eb);
  box-shadow:var(--glow-strong);transition:transform .2s ease,box-shadow .25s ease;
}
.btn-hero:hover{transform:translateY(-3px);color:#04122b;box-shadow:0 0 42px rgba(56,189,248,.7);}
.btn-hero--outline{
  color:var(--cyan);background:rgba(56,189,248,.06);
  border:1px solid var(--line);box-shadow:none;
}
.btn-hero--outline:hover{color:var(--txt);border-color:var(--cyan);background:rgba(56,189,248,.14);}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px;}
.stat-chip{
  flex:1 1 140px;padding:14px 16px;border-radius:14px;
  background:var(--panel);border:1px solid var(--line-soft);
  backdrop-filter:blur(10px);
}
.stat-chip b{display:block;font-size:1.35rem;color:var(--volt);font-weight:900;line-height:1.1;}
.stat-chip span{font-size:.76rem;color:var(--txt-dim);}
.hero-panel{
  padding:26px;border-radius:var(--radius-l);
  background:linear-gradient(160deg,rgba(13,27,58,.92),rgba(8,18,41,.78));
  border:1px solid var(--line);box-shadow:var(--shadow);
  backdrop-filter:blur(12px);
}
.hero-panel h3{font-size:1.05rem;margin-bottom:16px;color:var(--txt);}
.rank-row{
  display:flex;align-items:center;gap:12px;
  padding:11px 0;border-bottom:1px dashed var(--line-soft);
}
.rank-row:last-child{border-bottom:none;}
.rank-num{
  width:30px;height:30px;flex:0 0 30px;border-radius:9px;display:grid;place-items:center;
  font-size:.78rem;font-weight:900;color:#04122b;
  background:linear-gradient(135deg,#38bdf8,#2563eb);
}
.rank-row div b{display:block;font-size:.88rem;color:var(--txt);}
.rank-row div span{font-size:.74rem;color:var(--txt-dim);}
.rank-val{margin-left:auto;font-size:.85rem;font-weight:800;color:var(--gold);}

/* ===== COUNTDOWN ===== */
.countdown-bar{
  background:linear-gradient(90deg,rgba(37,99,235,.24),rgba(34,211,238,.12),rgba(37,99,235,.24));
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:22px 0;
}
.countdown-inner{display:flex;flex-wrap:wrap;align-items:center;gap:20px;}
.countdown-label{display:flex;align-items:center;gap:10px;font-weight:800;font-size:.92rem;color:var(--txt);}
.countdown-label i{color:var(--gold);}
.countdown-timer{display:flex;gap:10px;margin-left:auto;}
.cd-box{
  min-width:64px;text-align:center;padding:8px 10px;border-radius:12px;
  background:rgba(3,7,18,.7);border:1px solid var(--line);
}
.cd-box b{display:block;font-size:1.32rem;font-weight:900;color:var(--volt);line-height:1;}
.cd-box span{font-size:.65rem;color:var(--txt-dim);letter-spacing:.08em;text-transform:uppercase;}

/* ===== GRID & CARDS ===== */
.grid{display:grid;gap:22px;}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-2{grid-template-columns:repeat(2,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}
.card{
  border-radius:var(--radius);
  background:var(--panel);
  border:1px solid var(--line-soft);
  padding:26px;
  backdrop-filter:blur(10px);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.card:hover{transform:translateY(-4px);border-color:var(--line);box-shadow:var(--shadow);}
.card-icon{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(56,189,248,.22),rgba(37,99,235,.14));
  border:1px solid var(--line);color:var(--cyan);font-size:1.1rem;margin-bottom:16px;
}
.card h3{font-size:1.06rem;margin-bottom:.5em;}
.card p{font-size:.9rem;color:var(--txt-mut);margin-bottom:0;}
.tag{
  display:inline-block;font-size:.68rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  padding:4px 11px;border-radius:999px;margin-bottom:12px;
  color:var(--volt);background:rgba(34,211,238,.1);border:1px solid var(--line);
}
.tag--gold{color:var(--gold);background:rgba(251,191,36,.1);border-color:rgba(251,191,36,.3);}

/* ===== BENEFIT / REWARD LADDER ===== */
.reward-track{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.reward-item{
  position:relative;padding:24px 20px;border-radius:var(--radius);
  background:linear-gradient(170deg,rgba(13,27,58,.85),rgba(8,18,41,.6));
  border:1px solid var(--line-soft);
  transition:border-color .25s ease,transform .25s ease;
}
.reward-item:hover{border-color:var(--cyan);transform:translateY(-4px);}
.reward-item b{display:block;font-size:1.5rem;font-weight:900;color:var(--gold);line-height:1.1;margin-bottom:6px;}
.reward-item strong{display:block;font-size:.92rem;color:var(--txt);margin-bottom:8px;}
.reward-item p{font-size:.82rem;color:var(--txt-mut);margin:0;}

/* ===== STEPS ===== */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;counter-reset:step;}
.step{
  position:relative;padding:30px 24px 24px;border-radius:var(--radius);
  background:rgba(10,20,42,.7);border:1px solid var(--line-soft);
}
.step::before{
  counter-increment:step;content:"0" counter(step);
  position:absolute;top:-16px;left:24px;
  font-size:1.6rem;font-weight:900;color:var(--cyan);
  text-shadow:0 0 22px rgba(56,189,248,.6);
}
.step h3{font-size:1rem;margin-top:14px;margin-bottom:.45em;}
.step p{font-size:.87rem;color:var(--txt-mut);margin:0;}

/* ===== SPLIT CONTENT ===== */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:42px;align-items:center;}
.split--rev .split-media{order:2;}
.split-media img{
  border-radius:var(--radius-l);border:1px solid var(--line);
  box-shadow:var(--shadow);
}
.split-text h2{margin-bottom:.4em;}
.split-list{margin-top:20px;display:grid;gap:12px;}
.split-list li{
  display:flex;gap:12px;align-items:flex-start;
  font-size:.9rem;color:var(--txt-mut);
  padding:12px 16px;border-radius:12px;
  background:rgba(56,189,248,.05);border:1px solid var(--line-soft);
}
.split-list li i{color:var(--cyan);margin-top:4px;}

/* ===== CMS LIST ===== */
.cms-layout{display:grid;grid-template-columns:1.7fr 1fr;gap:30px;align-items:start;}
.post-list{display:grid;gap:18px;}
.post-card{
  display:grid;grid-template-columns:150px 1fr;gap:18px;
  padding:16px;border-radius:var(--radius);
  background:var(--panel);border:1px solid var(--line-soft);
  transition:border-color .22s ease,transform .22s ease;
}
.post-card:hover{border-color:var(--cyan);transform:translateX(4px);}
.post-card .thumb{
  width:150px;height:104px;border-radius:12px;overflow:hidden;
  border:1px solid var(--line-soft);
  background:linear-gradient(140deg,#0d1b3a,#081229);
}
.post-card .thumb img{width:100%;height:100%;object-fit:cover;}
.post-card h3{font-size:.98rem;margin-bottom:.35em;line-height:1.35;}
.post-card h3 a{color:var(--txt);}
.post-card h3 a:hover{color:var(--volt);}
.post-meta{display:flex;flex-wrap:wrap;gap:14px;font-size:.74rem;color:var(--txt-dim);margin-bottom:8px;}
.post-meta i{margin-right:4px;color:var(--cyan);}
.post-card p{font-size:.84rem;color:var(--txt-mut);margin:0;}
.side-panel{
  padding:24px;border-radius:var(--radius);
  background:linear-gradient(165deg,rgba(13,27,58,.9),rgba(8,18,41,.7));
  border:1px solid var(--line);
}
.side-panel h3{font-size:1rem;margin-bottom:16px;}
.side-panel .mini-item{
  display:block;padding:12px 0;border-bottom:1px dashed var(--line-soft);font-size:.86rem;color:var(--txt-mut);
}
.side-panel .mini-item:last-child{border-bottom:none;}
.side-panel .mini-item:hover{color:var(--volt);}
.empty-note{color:var(--txt-dim);font-size:.9rem;padding:20px 0;}

/* ===== TESTIMONIALS ===== */
.quote-card{
  padding:26px;border-radius:var(--radius);
  background:rgba(10,20,42,.72);border:1px solid var(--line-soft);
  display:flex;flex-direction:column;gap:16px;
}
.quote-card p{font-size:.9rem;color:var(--txt-mut);margin:0;font-style:italic;}
.quote-who{display:flex;align-items:center;gap:12px;}
.quote-ava{
  width:42px;height:42px;border-radius:50%;display:grid;place-items:center;
  font-weight:900;color:#04122b;background:linear-gradient(140deg,#38bdf8,#2563eb);
}
.quote-who b{display:block;font-size:.88rem;color:var(--txt);}
.quote-who span{font-size:.74rem;color:var(--txt-dim);}
.stars{color:var(--gold);font-size:.8rem;letter-spacing:2px;}

/* ===== CTA FINAL ===== */
.cta-final{
  position:relative;overflow:hidden;
  padding:66px 40px;border-radius:var(--radius-l);
  background:
    radial-gradient(600px 260px at 78% 12%,rgba(56,189,248,.3),transparent 68%),
    linear-gradient(150deg,rgba(37,99,235,.32),rgba(8,18,41,.92));
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  text-align:center;
}
.cta-final h2{max-width:760px;margin:0 auto .5em;}
.cta-final p{max-width:620px;margin:0 auto 28px;color:var(--txt-mut);}
.cta-final .hero-cta{justify-content:center;}
.pay-row{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-top:26px;}
.pay-chip{
  font-size:.76rem;font-weight:700;color:var(--txt-mut);
  padding:8px 16px;border-radius:10px;
  background:rgba(3,7,18,.6);border:1px solid var(--line-soft);
}
.pay-chip i{color:var(--cyan);margin-right:6px;}

/* ===== FAQ ===== */
.faq-item{
  border:1px solid var(--line-soft);border-radius:var(--radius);
  background:rgba(10,20,42,.6);margin-bottom:14px;overflow:hidden;
  transition:border-color .22s ease;
}
.faq-item:hover{border-color:var(--line);}
.faq-q{
  width:100%;text-align:left;background:none;border:none;cursor:pointer;
  padding:20px 22px;font-size:.96rem;font-weight:700;color:var(--txt);
  display:flex;align-items:center;gap:14px;font-family:var(--ff);
}
.faq-q i{color:var(--cyan);transition:transform .25s ease;}
.faq-item.open .faq-q i{transform:rotate(45deg);}
.faq-a{display:none;padding:0 22px 20px;font-size:.88rem;color:var(--txt-mut);}
.faq-item.open .faq-a{display:block;}

/* ===== FOOTER ===== */
.site-footer{
  margin-top:20px;padding:56px 0 30px;
  background:linear-gradient(180deg,rgba(3,7,18,.7),#030712);
  border-top:1px solid var(--line-soft);
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px;}
.footer-brand p{font-size:.86rem;color:var(--txt-mut);max-width:40ch;margin-top:14px;}
.footer-col h4{font-size:.82rem;letter-spacing:.1em;text-transform:uppercase;color:var(--txt-dim);margin-bottom:16px;}
.footer-col a{display:block;font-size:.87rem;color:var(--txt-mut);padding:6px 0;}
.footer-col a:hover{color:var(--volt);}
.footer-note{
  margin-top:36px;padding-top:22px;border-top:1px solid var(--line-soft);
  display:flex;flex-wrap:wrap;gap:16px;justify-content:space-between;
  font-size:.78rem;color:var(--txt-dim);
}
.badge-18{
  display:inline-grid;place-items:center;width:40px;height:40px;border-radius:50%;
  border:1px solid var(--line);color:var(--cyan);font-weight:900;font-size:.8rem;
}

/* ===== FAB ===== */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:800;
  width:56px;height:56px;border-radius:18px;
  display:grid;place-items:center;
  background:rgba(7,7,13,.82);backdrop-filter:blur(12px);
  border:2px solid transparent;
  background-clip:padding-box;
  color:var(--cyan);font-size:1.15rem;
  box-shadow:0 0 22px rgba(6,182,212,.45);
  opacity:.78;transition:all .25s ease;
  animation:fabPulse 3s ease-in-out infinite;
}
.fab::before{
  content:"";position:absolute;inset:-2px;border-radius:18px;z-index:-1;
  background:linear-gradient(135deg,#a3e635,#06b6d4,#ec4899);
}
.fab:hover{opacity:1;transform:scale(1.1);box-shadow:0 0 34px rgba(6,182,212,.7);}
.fab:active{transform:scale(.94);}
.fab .dot{
  position:absolute;top:-4px;right:-4px;width:12px;height:12px;border-radius:50%;
  background:#ec4899;box-shadow:0 0 10px #ec4899;
}
@keyframes fabPulse{
  0%,100%{box-shadow:0 0 18px rgba(6,182,212,.4);}
  50%{box-shadow:0 0 30px rgba(6,182,212,.7);}
}

/* ===== RESPONSIVE ===== */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .grid-4{grid-template-columns:repeat(2,1fr);}
  .reward-track{grid-template-columns:repeat(2,1fr);}
  .split{grid-template-columns:1fr;gap:28px;}
  .split--rev .split-media{order:0;}
  .cms-layout{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:900px){
  .nav-menu,.nav-actions{display:none;}
  .menu-toggle{display:grid;place-items:center;}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:1fr;}
}
@media (max-width:640px){
  .section{padding:52px 0;}
  .hero{padding:60px 0 48px;}
  .grid-3,.grid-2,.grid-4,.reward-track{grid-template-columns:1fr;}
  .countdown-timer{margin-left:0;width:100%;}
  .cd-box{flex:1;}
  .post-card{grid-template-columns:1fr;}
  .post-card .thumb{width:100%;height:170px;}
  .cta-final{padding:44px 20px;}
  .footer-grid{grid-template-columns:1fr;}
  .fab{left:12px;bottom:82px;width:52px;height:52px;}
  .brand-text b{max-width:170px;font-size:.86rem;}
}

/* roulang page: article */
:root{
  --bg-0:#030712;
  --bg-1:#081229;
  --bg-2:#0d1b3a;
  --panel:rgba(17,29,54,0.72);
  --panel-solid:#0f1c38;
  --glass:rgba(56,189,248,0.07);
  --line:rgba(96,165,250,0.22);
  --line-soft:rgba(96,165,250,0.12);
  --txt:#f8fafc;
  --txt-mut:#94a3b8;
  --txt-dim:#64748b;
  --blue:#2563eb;
  --cyan:#38bdf8;
  --holo:#60a5fa;
  --volt:#22d3ee;
  --gold:#fbbf24;
  --danger:#f43f5e;
  --ok:#22c55e;
  --radius-s:10px;
  --radius:16px;
  --radius-l:24px;
  --shadow:0 18px 50px -22px rgba(2,8,20,0.95);
  --glow:0 0 24px rgba(56,189,248,0.35);
  --glow-strong:0 0 34px rgba(56,189,248,0.55);
  --ff:'Segoe UI',system-ui,-apple-system,'Helvetica Neue',Arial,'Noto Sans',sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;padding:0;
  font-family:var(--ff);
  font-size:16px;line-height:1.65;
  color:var(--txt);
  background:
    radial-gradient(1200px 600px at 80% -5%,rgba(37,99,235,0.28),transparent 60%),
    radial-gradient(900px 500px at 5% 12%,rgba(34,211,238,0.14),transparent 55%),
    linear-gradient(180deg,var(--bg-0) 0%,var(--bg-1) 45%,var(--bg-0) 100%);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;border-radius:var(--radius);}
a{color:var(--cyan);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:var(--volt);}
h1,h2,h3,h4{font-family:var(--ff);color:var(--txt);margin:0 0 .5em;line-height:1.25;font-weight:800;letter-spacing:-.01em;}
h1{font-size:clamp(1.7rem,3.6vw,2.65rem);}
h2{font-size:clamp(1.3rem,2.4vw,1.85rem);}
h3{font-size:clamp(1.05rem,1.6vw,1.25rem);}
p{margin:0 0 1.05em;}
ul,ol{margin:0 0 1.1em;padding-left:1.25em;}
li{margin-bottom:.45em;}
strong{color:#fff;font-weight:700;}
.container{width:100%;max-width:1220px;margin:0 auto;padding:0 20px;}
.section{padding:70px 0;position:relative;}
.section--tight{padding:48px 0;}
.section--line{border-top:1px solid var(--line-soft);}
.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:rgba(56,189,248,.09);
  border:1px solid var(--line);border-radius:999px;
  padding:7px 16px;margin-bottom:18px;
}
.lead{font-size:1.03rem;color:var(--txt-mut);max-width:74ch;}
.section-head{max-width:780px;margin-bottom:36px;}
.section-head h2{margin-bottom:.35em;}
.section-head p{color:var(--txt-mut);margin-bottom:0;}
.text-mut{color:var(--txt-mut);}
/* ===== HEADER / NAV ===== */
.site-header{
  position:sticky;top:0;z-index:900;
  background:rgba(3,7,18,.82);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line-soft);
}
.nav-wrap{display:flex;align-items:center;gap:22px;min-height:74px;}
.brand{display:flex;align-items:center;gap:12px;flex:0 1 auto;min-width:0;}
.brand-mark{
  width:44px;height:44px;flex:0 0 44px;border-radius:13px;
  display:grid;place-items:center;
  background:linear-gradient(145deg,#2563eb,#38bdf8 60%,#22d3ee);
  box-shadow:var(--glow);
  color:#04122b;font-weight:900;font-size:1.05rem;
}
.brand-text{display:flex;flex-direction:column;min-width:0;}
.brand-text b{
  font-size:.95rem;font-weight:800;color:var(--txt);
  line-height:1.2;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:280px;
}
.brand-text span{font-size:.68rem;color:var(--txt-dim);letter-spacing:.1em;text-transform:uppercase;}
.nav-menu{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-menu a{
  font-size:.86rem;font-weight:600;color:var(--txt-mut);
  padding:9px 14px;border-radius:10px;white-space:nowrap;
  border:1px solid transparent;transition:all .2s ease;
}
.nav-menu a:hover{color:var(--txt);background:rgba(56,189,248,.08);border-color:var(--line-soft);}
.nav-menu a.active{color:var(--volt);background:rgba(34,211,238,.1);border-color:var(--line);}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:8px;}
.btn-ghost{
  padding:9px 18px;border-radius:11px;font-size:.84rem;font-weight:700;
  color:var(--cyan);border:1px solid var(--line);background:transparent;white-space:nowrap;
  transition:all .2s ease;cursor:pointer;display:inline-block;
}
.btn-ghost:hover{color:var(--txt);border-color:var(--cyan);background:rgba(56,189,248,.1);}
.btn-solid{
  padding:10px 20px;border-radius:11px;font-size:.84rem;font-weight:800;
  color:#04122b;white-space:nowrap;cursor:pointer;display:inline-block;
  background:linear-gradient(135deg,#38bdf8,#22d3ee 55%,#2563eb);
  box-shadow:var(--glow);border:none;
  transition:transform .2s ease,box-shadow .2s ease;
}
.btn-solid:hover{transform:translateY(-2px);box-shadow:var(--glow-strong);color:#04122b;}
button:focus-visible,a:focus-visible,summary:focus-visible{outline:2px solid var(--volt);outline-offset:3px;}
.menu-toggle{
  display:none;margin-left:auto;width:46px;height:46px;border-radius:12px;
  border:1px solid var(--line);background:rgba(56,189,248,.07);color:var(--cyan);
  font-size:1.1rem;cursor:pointer;
}
.mobile-drawer{
  display:none;border-top:1px solid var(--line-soft);
  background:rgba(3,7,18,.97);padding:14px 20px 20px;
}
.mobile-drawer.open{display:block;}
.mobile-drawer a{
  display:block;padding:12px 14px;border-radius:10px;color:var(--txt-mut);
  font-weight:600;font-size:.92rem;border:1px solid transparent;
}
.mobile-drawer a:hover,.mobile-drawer a.active{color:var(--volt);background:rgba(34,211,238,.08);border-color:var(--line-soft);}
.mobile-drawer .drawer-actions{display:flex;gap:10px;margin-top:12px;}
.mobile-drawer .drawer-actions a{flex:1;text-align:center;}
/* ===== BREADCRUMB ===== */
.crumb{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:.8rem;color:var(--txt-dim);margin-bottom:18px;}
.crumb a{color:var(--txt-mut);}
.crumb a:hover{color:var(--volt);}
.crumb i{font-size:.62rem;opacity:.7;}
/* ===== ARTICLE HERO / BENTO ===== */
.article-hero{
  position:relative;overflow:hidden;
  padding:56px 0 58px;
  border-bottom:1px solid var(--line-soft);
}
.article-hero .hero-bg{
  position:absolute;inset:0;z-index:0;
  background-image:url('/assets/images/b34c4ed85e044e24.jpg');
  background-size:cover;background-position:center;
  opacity:.26;filter:saturate(1.1) contrast(1.05);
}
.article-hero .hero-bg::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(3,7,18,.70) 0%,rgba(3,7,18,.90) 68%,var(--bg-0) 100%),
    radial-gradient(680px 320px at 80% 20%,rgba(56,189,248,.26),transparent 68%);
}
.article-hero .container{position:relative;z-index:2;}
.bento{display:grid;grid-template-columns:1.6fr 1fr;gap:22px;align-items:stretch;}
.bento-main{
  background:linear-gradient(150deg,rgba(15,28,56,.86),rgba(8,18,41,.62));
  border:1px solid var(--line);border-radius:var(--radius-l);
  padding:34px 32px;box-shadow:var(--shadow);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
}
.bento-main h1{margin-bottom:.3em;}
.hero-tags{display:flex;flex-wrap:wrap;gap:9px;margin:0 0 18px;}
.tag{
  display:inline-flex;align-items:center;gap:7px;
  font-size:.73rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;
  padding:6px 13px;border-radius:999px;
  background:rgba(56,189,248,.1);border:1px solid var(--line);color:var(--cyan);
}
.tag--gold{background:rgba(251,191,36,.1);border-color:rgba(251,191,36,.3);color:var(--gold);}
.tag--ok{background:rgba(34,197,94,.1);border-color:rgba(34,197,94,.3);color:#4ade80;}
.hero-sum{color:var(--txt-mut);font-size:1.02rem;max-width:70ch;margin-bottom:24px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:13px;}
.btn-cta{
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 28px;border-radius:14px;font-size:.94rem;font-weight:800;
  color:#04122b;background:linear-gradient(135deg,#22d3ee,#38bdf8 50%,#2563eb);
  box-shadow:var(--glow-strong);transition:transform .2s ease,box-shadow .2s ease;
}
.btn-cta:hover{transform:translateY(-2px);color:#04122b;box-shadow:0 0 40px rgba(56,189,248,.7);}
.btn-line{
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 26px;border-radius:14px;font-size:.92rem;font-weight:700;
  color:var(--cyan);border:1px solid var(--line);background:rgba(56,189,248,.05);
  transition:all .2s ease;
}
.btn-line:hover{color:#fff;border-color:var(--cyan);background:rgba(56,189,248,.13);}
.bento-side{display:grid;grid-template-rows:auto 1fr;gap:18px;}
.mini-card{
  background:var(--panel);border:1px solid var(--line-soft);border-radius:var(--radius);
  padding:20px 22px;backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);
}
.mini-card h3{font-size:.9rem;letter-spacing:.09em;text-transform:uppercase;color:var(--cyan);margin-bottom:12px;}
.mini-meta{list-style:none;padding:0;margin:0;font-size:.88rem;color:var(--txt-mut);}
.mini-meta li{display:flex;justify-content:space-between;gap:12px;padding:8px 0;border-bottom:1px dashed var(--line-soft);}
.mini-meta li:last-child{border-bottom:none;}
.mini-meta b{color:#fff;font-weight:700;text-align:right;}
.toc{list-style:none;padding:0;margin:0;}
.toc li{margin:0;}
.toc a{
  display:flex;align-items:center;gap:10px;padding:9px 0;
  font-size:.9rem;color:var(--txt-mut);border-bottom:1px dashed var(--line-soft);
}
.toc li:last-child a{border-bottom:none;}
.toc a:hover{color:var(--volt);}
.toc i{color:var(--cyan);font-size:.75rem;}
.cta-bar{
  grid-column:1 / -1;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  background:linear-gradient(100deg,rgba(34,211,238,.14),rgba(37,99,235,.20));
  border:1px solid var(--line);border-radius:var(--radius);padding:16px 22px;
}
.cta-bar p{margin:0;font-size:.9rem;color:var(--txt-mut);}
.cta-bar b{color:#fff;}
/* ===== ARTICLE BODY ===== */
.article-shell{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:36px;align-items:start;}
.article-body{
  background:linear-gradient(160deg,rgba(15,28,56,.72),rgba(8,18,41,.5));
  border:1px solid var(--line-soft);border-radius:var(--radius-l);
  padding:36px 34px;box-shadow:var(--shadow);
}
.article-body > *:first-child{margin-top:0;}
.article-body h2{
  margin-top:1.6em;padding-top:.2em;
  font-size:clamp(1.25rem,2.2vw,1.7rem);
  border-left:4px solid var(--cyan);padding-left:14px;
}
.article-body h3{margin-top:1.4em;color:var(--holo);}
.article-body p{color:#dbeafe;font-size:1.02rem;}
.article-body ul,.article-body ol{color:#dbeafe;}
.article-body li::marker{color:var(--cyan);}
.article-body blockquote{
  margin:22px 0;padding:16px 20px;border-left:4px solid var(--gold);
  background:rgba(251,191,36,.07);border-radius:0 var(--radius-s) var(--radius-s) 0;
  color:#fef3c7;font-style:italic;
}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:.92rem;}
.article-body th,.article-body td{
  border:1px solid var(--line-soft);padding:11px 13px;text-align:left;color:#dbeafe;
}
.article-body th{background:rgba(56,189,248,.1);color:#fff;font-weight:700;}
.article-body img{margin:22px 0;border:1px solid var(--line-soft);}
.article-body code{background:rgba(56,189,248,.12);padding:2px 7px;border-radius:6px;color:var(--volt);font-size:.9em;}
.article-body hr{border:none;border-top:1px solid var(--line-soft);margin:30px 0;}
.notfound{
  text-align:left;padding:26px 0;
}
.notfound h2{border-left:4px solid var(--danger);}
.side-stack{display:grid;gap:18px;position:sticky;top:96px;}
.side-note{
  background:var(--panel);border:1px solid var(--line-soft);border-radius:var(--radius);
  padding:20px 20px 18px;
}
.side-note h4{font-size:.82rem;letter-spacing:.1em;text-transform:uppercase;color:var(--cyan);margin-bottom:12px;}
.side-note ul{list-style:none;padding:0;margin:0;font-size:.87rem;color:var(--txt-mut);}
.side-note li{display:flex;gap:10px;align-items:flex-start;padding:7px 0;}
.side-note i{color:var(--ok);margin-top:3px;}
/* ===== CORE POINTS ===== */
.points-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.point{
  background:var(--glass);border:1px solid var(--line-soft);border-radius:var(--radius);
  padding:22px 20px;transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.point:hover{transform:translateY(-4px);border-color:var(--line);box-shadow:var(--glow);}
.point .num{
  font-size:.75rem;font-weight:800;letter-spacing:.14em;color:var(--volt);
  display:block;margin-bottom:10px;
}
.point h3{font-size:1rem;margin-bottom:.4em;}
.point p{font-size:.88rem;color:var(--txt-mut);margin:0;}
/* ===== FORMULA TABLE ===== */
.table-wrap{
  overflow-x:auto;border:1px solid var(--line-soft);border-radius:var(--radius);
  background:rgba(9,18,40,.6);
}
table.formula{width:100%;border-collapse:collapse;min-width:660px;font-size:.9rem;}
table.formula th,table.formula td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--line-soft);}
table.formula thead th{
  background:rgba(56,189,248,.12);color:#fff;font-size:.78rem;
  letter-spacing:.09em;text-transform:uppercase;font-weight:700;
}
table.formula tbody tr:hover{background:rgba(56,189,248,.06);}
table.formula td{color:#dbeafe;}
table.formula td:first-child{color:var(--gold);font-weight:700;white-space:nowrap;}
/* ===== STEPS / BANKROLL ===== */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:36px;align-items:center;}
.steps{list-style:none;padding:0;margin:0;counter-reset:step;}
.steps li{
  position:relative;padding:0 0 22px 58px;counter-increment:step;
  border-left:1px solid var(--line-soft);margin-left:20px;
}
.steps li:last-child{border-left-color:transparent;padding-bottom:0;}
.steps li::before{
  content:counter(step);
  position:absolute;left:-21px;top:0;width:42px;height:42px;border-radius:12px;
  display:grid;place-items:center;font-weight:800;font-size:.95rem;
  background:linear-gradient(145deg,#2563eb,#22d3ee);color:#04122b;box-shadow:var(--glow);
}
.steps h3{font-size:1.02rem;margin-bottom:.3em;}
.steps p{font-size:.9rem;color:var(--txt-mut);margin:0;}
.figure{border:1px solid var(--line-soft);border-radius:var(--radius-l);overflow:hidden;box-shadow:var(--shadow);}
.figure img{width:100%;border-radius:0;margin:0;}
.figure figcaption{font-size:.8rem;color:var(--txt-dim);padding:12px 16px;background:rgba(9,18,40,.7);}
/* ===== MISTAKES ===== */
.mistakes{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.mistake{
  border:1px solid rgba(244,63,94,.28);border-radius:var(--radius);
  background:linear-gradient(160deg,rgba(244,63,94,.09),rgba(9,18,40,.55));
  padding:22px 20px;
}
.mistake h3{font-size:1rem;display:flex;gap:10px;align-items:flex-start;}
.mistake h3 i{color:var(--danger);margin-top:4px;}
.mistake p{font-size:.88rem;color:var(--txt-mut);margin:0 0 .7em;}
.mistake .fix{font-size:.85rem;color:#a7f3d0;}
.mistake .fix b{color:#4ade80;}
/* ===== FAQ ===== */
.faq{display:grid;gap:12px;max-width:960px;}
.faq details{
  border:1px solid var(--line-soft);border-radius:var(--radius);
  background:rgba(9,18,40,.6);overflow:hidden;transition:border-color .2s ease;
}
.faq details[open]{border-color:var(--line);box-shadow:var(--glow);}
.faq summary{
  cursor:pointer;list-style:none;padding:18px 52px 18px 20px;position:relative;
  font-weight:700;font-size:.98rem;color:#fff;
}
.faq summary::-webkit-details-marker{display:none;}
.faq summary::after{
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;right:20px;top:50%;transform:translateY(-50%);
  color:var(--cyan);font-size:.85rem;transition:transform .25s ease;
}
.faq details[open] summary::after{content:"\f068";}
.faq .ans{padding:0 20px 20px;color:var(--txt-mut);font-size:.93rem;}
/* ===== CATEGORY MATRIX ===== */
.matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.matrix-card{
  display:block;border:1px solid var(--line-soft);border-radius:var(--radius);
  padding:24px 22px;background:linear-gradient(160deg,rgba(15,28,56,.8),rgba(8,18,41,.5));
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.matrix-card:hover{transform:translateY(-4px);border-color:var(--cyan);box-shadow:var(--glow);}
.matrix-card span.k{
  font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--volt);font-weight:800;
}
.matrix-card h3{margin:10px 0 .4em;font-size:1.08rem;color:#fff;}
.matrix-card p{margin:0;font-size:.88rem;color:var(--txt-mut);}
/* ===== CTA BAND ===== */
.cta-band{
  position:relative;overflow:hidden;border:1px solid var(--line);border-radius:var(--radius-l);
  padding:44px 40px;background:linear-gradient(110deg,rgba(37,99,235,.30),rgba(34,211,238,.16));
  box-shadow:var(--shadow);
}
.cta-band h2{margin-bottom:.35em;}
.cta-band p{color:#dbeafe;max-width:66ch;margin-bottom:24px;}
.cta-band .hero-cta{margin-bottom:0;}
/* ===== FAB ===== */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  display:inline-flex;align-items:center;gap:10px;
  min-height:56px;padding:11px 20px 11px 14px;border-radius:999px;
  background:rgba(7,7,13,.82);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border:1px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.86),rgba(7,7,13,.86)),
    linear-gradient(120deg,#22d3ee,#a3e635 55%,#38bdf8);
  background-origin:border-box;background-clip:padding-box,border-box;
  box-shadow:0 0 20px rgba(6,182,212,.45);
  color:#e2e8f0;font-size:.82rem;font-weight:800;text-decoration:none;
  opacity:.8;transition:opacity .25s ease,transform .25s ease,box-shadow .25s ease;
  animation:fabPulse 3.6s ease-in-out infinite;
}
.fab i{
  width:34px;height:34px;border-radius:50%;display:grid;place-items:center;
  background:linear-gradient(140deg,#22d3ee,#2563eb);color:#04122b;font-size:.95rem;
  transition:transform .45s ease;
}
.fab:hover{opacity:1;transform:translateY(-3px);box-shadow:0 0 34px rgba(6,182,212,.7);color:#fff;}
.fab:hover i{transform:rotate(360deg);}
.fab:active{transform:scale(.95) translateY(2px);background-image:linear-gradient(rgba(7,7,13,.9),rgba(7,7,13,.9)),linear-gradient(120deg,#ec4899,#22d3ee);}
.fab .dot{
  position:absolute;top:6px;right:10px;width:11px;height:11px;border-radius:50%;
  background:#ec4899;box-shadow:0 0 0 2px #030712;
  animation:dotBlink 1.6s ease-in-out infinite;
}
@keyframes fabPulse{0%,100%{box-shadow:0 0 18px rgba(6,182,212,.35);}50%{box-shadow:0 0 30px rgba(6,182,212,.6);}}
@keyframes dotBlink{0%,100%{opacity:1;}50%{opacity:.35;}}
/* ===== FOOTER ===== */
.site-footer{
  border-top:1px solid var(--line-soft);
  background:linear-gradient(180deg,rgba(3,7,18,.6),rgba(8,18,41,.85));
  padding:56px 0 26px;margin-top:20px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:.88rem;color:var(--txt-mut);max-width:44ch;}
.footer-col h4{
  font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--holo);margin-bottom:14px;
}
.footer-col a{display:block;font-size:.88rem;color:var(--txt-mut);padding:6px 0;}
.footer-col a:hover{color:var(--volt);}
.footer-note{
  margin-top:38px;padding-top:20px;border-top:1px solid var(--line-soft);
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;
  font-size:.8rem;color:var(--txt-dim);
}
.badge-18{
  display:inline-grid;place-items:center;width:34px;height:34px;border-radius:50%;
  border:1px solid var(--line);color:var(--cyan);font-size:.72rem;font-weight:800;
}
/* ===== RESPONSIVE ===== */
@media (max-width:1200px){
  .nav-menu a{padding:9px 11px;font-size:.82rem;}
  .brand-text b{max-width:210px;}
}
@media (max-width:1024px){
  .bento{grid-template-columns:1fr;}
  .article-shell{grid-template-columns:1fr;}
  .side-stack{position:static;}
  .points-grid{grid-template-columns:repeat(2,1fr);}
  .mistakes{grid-template-columns:1fr;}
  .matrix{grid-template-columns:1fr 1fr;}
  .split{grid-template-columns:1fr;gap:26px;}
  .nav-menu{display:none;}
  .nav-actions{display:none;}
  .menu-toggle{display:inline-grid;place-items:center;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px;}
}
@media (max-width:767px){
  .section{padding:52px 0;}
  .article-hero{padding:36px 0 42px;}
  .bento-main{padding:24px 20px;}
  .article-body{padding:24px 18px;}
  .points-grid{grid-template-columns:1fr;}
  .matrix{grid-template-columns:1fr;}
  .cta-band{padding:30px 22px;}
  .cta-bar{flex-direction:column;align-items:flex-start;}
  .fab{bottom:86px;padding:10px 16px 10px 12px;font-size:.76rem;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-note{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .brand-text b{max-width:150px;font-size:.85rem;}
  .brand-text span{font-size:.6rem;}
  .hero-cta a{width:100%;justify-content:center;}
  .article-body h2{padding-left:11px;}
  h1{font-size:1.5rem;}
}

/* roulang page: category1 */
:root{
  --bg-0:#030712;
  --bg-1:#081229;
  --bg-2:#0d1b3a;
  --panel:rgba(17,29,54,0.72);
  --panel-solid:#0f1c38;
  --glass:rgba(56,189,248,0.07);
  --line:rgba(96,165,250,0.22);
  --line-soft:rgba(96,165,250,0.12);
  --txt:#f8fafc;
  --txt-mut:#94a3b8;
  --txt-dim:#64748b;
  --blue:#2563eb;
  --cyan:#38bdf8;
  --holo:#60a5fa;
  --volt:#22d3ee;
  --gold:#fbbf24;
  --radius-s:10px;
  --radius:16px;
  --radius-l:24px;
  --shadow:0 18px 50px -22px rgba(2,8,20,0.95);
  --glow:0 0 24px rgba(56,189,248,0.35);
  --glow-strong:0 0 34px rgba(56,189,248,0.55);
  --ff:'Segoe UI',system-ui,-apple-system,'Helvetica Neue',Arial,'Noto Sans',sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;padding:0;
  font-family:var(--ff);
  font-size:16px;line-height:1.62;
  color:var(--txt);
  background:
    radial-gradient(1200px 600px at 80% -5%,rgba(37,99,235,0.28),transparent 60%),
    radial-gradient(900px 500px at 5% 12%,rgba(34,211,238,0.14),transparent 55%),
    linear-gradient(180deg,var(--bg-0) 0%,var(--bg-1) 45%,var(--bg-0) 100%);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5,h6{margin:0 0 .55em;font-weight:800;line-height:1.24;letter-spacing:-.01em;color:var(--txt);}
h1{font-size:clamp(1.85rem,3.5vw,2.8rem);}
h2{font-size:clamp(1.45rem,2.5vw,2.05rem);}
h3{font-size:1.13rem;}
h4{font-size:1rem;}
p{margin:0 0 1em;color:var(--txt-mut);line-height:1.66;}
ul,ol{margin:0 0 1em;padding-left:1.15em;color:var(--txt-mut);}
li{margin-bottom:.45em;line-height:1.62;}
img{max-width:100%;display:block;height:auto;}
a{color:var(--cyan);text-decoration:none;transition:color .2s ease,opacity .2s ease,border-color .2s ease;}
a:hover{color:var(--volt);}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--volt);outline-offset:3px;}
.container{width:100%;max-width:1220px;margin:0 auto;padding:0 20px;}
.section{padding:76px 0;position:relative;}
.section--tight{padding:52px 0;}
.section--line{border-top:1px solid var(--line-soft);}
.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:rgba(56,189,248,.09);
  border:1px solid var(--line);border-radius:999px;
  padding:7px 16px;margin-bottom:18px;
}
.lead{font-size:1.04rem;color:var(--txt-mut);max-width:74ch;}
.section-head{max-width:780px;margin-bottom:38px;}
.section-head h2{margin-bottom:.35em;}
.section-head p{color:var(--txt-mut);margin-bottom:0;}
.section-head--split{display:flex;flex-wrap:wrap;gap:26px;align-items:flex-end;justify-content:space-between;max-width:none;}
.section-head--split .section-head-txt{max-width:700px;}
/* ===== HEADER / NAV ===== */
.site-header{
  position:sticky;top:0;z-index:900;
  background:rgba(3,7,18,.84);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line-soft);
}
.nav-wrap{display:flex;align-items:center;gap:20px;min-height:74px;}
.brand{display:flex;align-items:center;gap:12px;flex:0 1 auto;min-width:0;text-decoration:none;}
.brand-mark{
  width:44px;height:44px;flex:0 0 44px;border-radius:13px;
  display:grid;place-items:center;
  background:linear-gradient(145deg,#2563eb,#38bdf8 60%,#22d3ee);
  box-shadow:var(--glow);
  color:#04122b;font-weight:900;font-size:1.05rem;
}
.brand-text{display:flex;flex-direction:column;min-width:0;}
.brand-text b{
  font-size:.95rem;font-weight:800;color:var(--txt);
  line-height:1.2;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:280px;
}
.brand-text span{font-size:.68rem;color:var(--txt-dim);letter-spacing:.1em;text-transform:uppercase;}
.nav-menu{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-menu a{
  font-size:.86rem;font-weight:600;color:var(--txt-mut);
  padding:9px 14px;border-radius:10px;white-space:nowrap;
  border:1px solid transparent;transition:all .2s ease;
}
.nav-menu a:hover{color:var(--txt);background:rgba(56,189,248,.08);border-color:var(--line-soft);}
.nav-menu a.active{color:var(--volt);background:rgba(34,211,238,.1);border-color:var(--line);}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:8px;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;
  padding:9px 18px;border-radius:11px;font-size:.84rem;font-weight:700;
  color:var(--cyan);border:1px solid var(--line);background:transparent;white-space:nowrap;
  transition:all .2s ease;cursor:pointer;
}
.btn-ghost:hover{color:var(--txt);border-color:var(--cyan);background:rgba(56,189,248,.1);}
.btn-solid{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:10px 20px;border-radius:11px;font-size:.84rem;font-weight:800;
  color:#04122b;white-space:nowrap;cursor:pointer;border:none;
  background:linear-gradient(135deg,#38bdf8,#22d3ee 55%,#2563eb);
  box-shadow:var(--glow);
  transition:transform .2s ease,box-shadow .2s ease;
}
.btn-solid:hover{transform:translateY(-2px);box-shadow:var(--glow-strong);color:#04122b;}
.menu-toggle{
  display:none;margin-left:6px;width:46px;height:46px;border-radius:12px;
  border:1px solid var(--line);background:rgba(56,189,248,.07);color:var(--cyan);
  font-size:1.1rem;cursor:pointer;align-items:center;justify-content:center;
}
.mobile-drawer{
  display:none;border-top:1px solid var(--line-soft);
  background:rgba(3,7,18,.97);padding:14px 20px 20px;
}
.mobile-drawer.open{display:block;}
.mobile-drawer a{
  display:block;padding:12px 14px;border-radius:10px;color:var(--txt-mut);
  font-weight:600;font-size:.92rem;border:1px solid transparent;
}
.mobile-drawer a:hover,.mobile-drawer a.active{color:var(--volt);background:rgba(34,211,238,.08);border-color:var(--line-soft);}
/* ===== HERO ===== */
.hero{
  position:relative;overflow:hidden;
  padding:84px 0 66px;
  border-bottom:1px solid var(--line-soft);
}
.hero-bg{
  position:absolute;inset:0;z-index:0;
  background-image:url('/assets/images/b34c4ed85e044e24.jpg');
  background-size:cover;background-position:center;
  opacity:.30;filter:saturate(1.15) contrast(1.05);
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(3,7,18,.62) 0%,rgba(3,7,18,.88) 70%,var(--bg-0) 100%),
    radial-gradient(700px 340px at 78% 22%,rgba(56,189,248,.28),transparent 68%);
}
.hero .container{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:1.32fr .95fr;gap:46px;align-items:start;}
.crumb{font-size:.78rem;color:var(--txt-dim);margin-bottom:16px;letter-spacing:.02em;}
.crumb a{color:var(--txt-dim);}
.crumb a:hover{color:var(--cyan);}
.crumb span{margin:0 6px;color:var(--line);}
.hero h1{margin-bottom:.42em;}
.hero h1 .accent{
  background:linear-gradient(120deg,#38bdf8,#22d3ee 45%,#60a5fa);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{font-size:1.05rem;color:var(--txt-mut);max-width:66ch;margin-bottom:26px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px;}
.btn-hero{
  display:inline-flex;align-items:center;gap:10px;
  padding:15px 30px;border-radius:14px;font-size:.95rem;font-weight:800;
  color:#04122b;background:linear-gradient(135deg,#22d3ee,#38bdf8 50%,#2563eb);
  box-shadow:var(--glow-strong);transition:transform .2s ease,box-shadow .2s ease;
}
.btn-hero:hover{transform:translateY(-3px);box-shadow:0 0 40px rgba(56,189,248,.7);color:#04122b;}
.btn-outline{
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 26px;border-radius:14px;font-size:.93rem;font-weight:700;
  color:var(--cyan);border:1px solid var(--line);background:rgba(56,189,248,.06);
  transition:all .2s ease;
}
.btn-outline:hover{color:var(--txt);border-color:var(--cyan);background:rgba(56,189,248,.13);}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;}
.tag{
  display:inline-flex;align-items:center;gap:7px;
  font-size:.76rem;font-weight:700;letter-spacing:.03em;
  color:var(--holo);background:rgba(96,165,250,.08);
  border:1px solid var(--line-soft);border-radius:999px;padding:7px 14px;
}
.tag i{font-size:.72rem;color:var(--volt);}
/* voucher */
.voucher{
  position:relative;
  border-radius:var(--radius-l);
  padding:26px 24px 24px;
  background:linear-gradient(160deg,rgba(17,29,54,.94),rgba(8,18,41,.92));
  border:1px solid var(--line);
  box-shadow:var(--shadow),0 0 34px rgba(56,189,248,.18) inset;
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
}
.voucher::before{
  content:"";position:absolute;inset:0;border-radius:var(--radius-l);pointer-events:none;
  background:linear-gradient(120deg,rgba(56,189,248,.16),transparent 45%,rgba(34,211,238,.14));
  mix-blend-mode:screen;
}
.voucher-tag{
  display:inline-block;font-size:.68rem;font-weight:800;letter-spacing:.16em;text-transform:uppercase;
  color:#04122b;background:linear-gradient(135deg,#38bdf8,#22d3ee);
  border-radius:999px;padding:6px 14px;margin-bottom:14px;
}
.voucher-title{font-size:1.42rem;font-weight:900;color:var(--txt);margin-bottom:8px;line-height:1.25;}
.voucher-note{font-size:.88rem;color:var(--txt-mut);margin-bottom:18px;}
.voucher-list{list-style:none;padding:0;margin:0 0 18px;}
.voucher-list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:.88rem;color:var(--txt-mut);
  padding:10px 0;border-bottom:1px dashed var(--line-soft);
}
.voucher-list li:last-child{border-bottom:none;}
.voucher-list b{color:var(--txt);font-weight:800;}
.voucher-list i{color:var(--volt);margin-top:3px;font-size:.8rem;}
.voucher-code{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:.82rem;color:var(--txt-dim);letter-spacing:.08em;
  border:1px dashed var(--line);border-radius:12px;padding:11px 14px;margin-bottom:16px;
  background:rgba(3,7,18,.5);
}
.voucher-code b{color:var(--cyan);font-size:1rem;letter-spacing:.16em;}
.voucher .btn-hero{width:100%;justify-content:center;padding:14px 22px;font-size:.9rem;}
.voucher-foot{display:block;margin-top:12px;font-size:.76rem;color:var(--txt-dim);text-align:center;}
/* ===== STATS BAND ===== */
.stats-band{border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);background:rgba(8,18,41,.55);}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line-soft);border-radius:var(--radius);overflow:hidden;}
.stat{background:rgba(10,22,46,.92);padding:26px 22px;}
.stat-num{
  font-size:1.75rem;font-weight:900;letter-spacing:-.02em;
  background:linear-gradient(120deg,#38bdf8,#22d3ee 60%,#60a5fa);
  -webkit-background-clip:text;background-clip:text;color:transparent;
  display:block;margin-bottom:6px;
}
.stat-label{font-size:.82rem;color:var(--txt-mut);line-height:1.5;}
/* ===== CARDS / GRIDS ===== */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.panel{
  border-radius:var(--radius);
  background:linear-gradient(165deg,rgba(17,29,54,.82),rgba(8,18,41,.78));
  border:1px solid var(--line-soft);
  padding:26px 24px;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
}
.panel:hover{transform:translateY(-4px);border-color:var(--line);box-shadow:0 22px 44px -26px rgba(56,189,248,.55);}
.panel h3{margin-bottom:.5em;}
.panel p{margin-bottom:0;font-size:.93rem;}
.panel-icon{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;
  background:rgba(56,189,248,.1);border:1px solid var(--line);
  color:var(--volt);font-size:1.05rem;margin-bottom:16px;
}
.panel-index{
  font-size:.72rem;font-weight:800;letter-spacing:.14em;color:var(--txt-dim);
  text-transform:uppercase;display:block;margin-bottom:10px;
}
/* split content (image + text) */
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:44px;align-items:center;}
.split-media{
  border-radius:var(--radius-l);overflow:hidden;border:1px solid var(--line-soft);
  box-shadow:var(--shadow);position:relative;
}
.split-media img{width:100%;height:100%;object-fit:cover;}
.split-media figcaption{
  position:absolute;left:0;right:0;bottom:0;
  padding:16px 18px;font-size:.8rem;color:var(--txt-mut);
  background:linear-gradient(180deg,transparent,rgba(3,7,18,.92));
}
.rule-list{list-style:none;padding:0;margin:22px 0 0;}
.rule-list li{
  display:flex;gap:14px;align-items:flex-start;
  padding:16px 0;border-top:1px solid var(--line-soft);
}
.rule-list li:first-child{border-top:none;padding-top:0;}
.rule-num{
  flex:0 0 34px;width:34px;height:34px;border-radius:11px;display:grid;place-items:center;
  font-size:.86rem;font-weight:900;color:#04122b;
  background:linear-gradient(140deg,#38bdf8,#22d3ee);
  box-shadow:0 0 18px rgba(56,189,248,.4);
}
.rule-body b{display:block;color:var(--txt);font-size:.98rem;margin-bottom:4px;}
.rule-body span{font-size:.9rem;color:var(--txt-mut);}
/* ===== STEPS ===== */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;margin-top:8px;}
.step{
  position:relative;border-radius:var(--radius);
  background:linear-gradient(170deg,rgba(17,29,54,.86),rgba(8,18,41,.8));
  border:1px solid var(--line-soft);padding:24px 20px;
  transition:border-color .25s ease,transform .25s ease;
}
.step:hover{border-color:var(--line);transform:translateY(-4px);}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:12px;margin-bottom:14px;
  font-weight:900;font-size:.92rem;color:var(--volt);
  border:1px solid var(--line);background:rgba(34,211,238,.09);
}
.step h3{font-size:1rem;margin-bottom:.45em;}
.step p{font-size:.86rem;margin-bottom:0;}
/* ===== RANK TABLE ===== */
.table-wrap{
  overflow-x:auto;border:1px solid var(--line-soft);border-radius:var(--radius);
  background:rgba(8,18,41,.62);
}
table.rank-table{width:100%;border-collapse:collapse;min-width:640px;margin:0;}
table.rank-table th,table.rank-table td{
  padding:15px 18px;text-align:left;font-size:.9rem;
  border-bottom:1px solid var(--line-soft);color:var(--txt-mut);
}
table.rank-table th{
  font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--cyan);background:rgba(56,189,248,.07);font-weight:800;
}
table.rank-table td:first-child{color:var(--txt);font-weight:700;}
table.rank-table tbody tr:hover{background:rgba(56,189,248,.06);}
table.rank-table tbody tr:last-child td{border-bottom:none;}
.meter{display:flex;gap:4px;}
.meter i{width:14px;height:8px;border-radius:3px;background:rgba(96,165,250,.18);display:block;}
.meter i.on{background:linear-gradient(90deg,#22d3ee,#38bdf8);box-shadow:0 0 10px rgba(56,189,248,.55);}
/* ===== SCENARIOS ===== */
.scene{
  border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--line-soft);background:rgba(10,22,46,.8);
  transition:transform .25s ease,border-color .25s ease;
}
.scene:hover{transform:translateY(-5px);border-color:var(--line);}
.scene img{width:100%;height:170px;object-fit:cover;opacity:.9;}
.scene-body{padding:20px 20px 24px;}
.scene-body h3{font-size:1.02rem;margin-bottom:.5em;}
.scene-body p{font-size:.88rem;margin-bottom:0;}
.scene-tagline{
  display:inline-block;font-size:.7rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;
  color:var(--volt);background:rgba(34,211,238,.1);border:1px solid var(--line);
  border-radius:999px;padding:5px 12px;margin-bottom:12px;
}
/* ===== RESULTS ===== */
.result-band{
  border-radius:var(--radius-l);border:1px solid var(--line);
  background:linear-gradient(150deg,rgba(17,29,54,.9),rgba(3,7,18,.88));
  padding:36px 32px;box-shadow:var(--shadow);
}
.result-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-top:24px;}
.result-item b{
  display:block;font-size:1.5rem;font-weight:900;margin-bottom:6px;
  background:linear-gradient(120deg,#22d3ee,#38bdf8 60%,#60a5fa);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.result-item span{font-size:.88rem;color:var(--txt-mut);}
.audience{list-style:none;padding:0;margin:22px 0 0;display:grid;grid-template-columns:repeat(2,1fr);gap:12px;}
.audience li{
  display:flex;gap:10px;align-items:flex-start;font-size:.9rem;color:var(--txt-mut);
  background:rgba(56,189,248,.05);border:1px solid var(--line-soft);
  border-radius:var(--radius-s);padding:13px 16px;margin:0;
}
.audience i{color:var(--volt);margin-top:3px;font-size:.82rem;}
/* ===== FAQ ===== */
.faq-list{display:grid;gap:14px;}
.faq-list details{
  border:1px solid var(--line-soft);border-radius:var(--radius);
  background:rgba(10,22,46,.72);padding:0;overflow:hidden;
  transition:border-color .2s ease,background .2s ease;
}
.faq-list details[open]{border-color:var(--line);background:rgba(13,27,58,.85);}
.faq-list summary{
  cursor:pointer;list-style:none;padding:19px 22px;
  font-weight:700;font-size:.98rem;color:var(--txt);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-list summary::-webkit-details-marker{display:none;}
.faq-list summary::after{
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
  font-size:.72rem;color:var(--volt);transition:transform .25s ease;
}
.faq-list details[open] summary::after{transform:rotate(45deg);}
.faq-list .faq-answer{padding:0 22px 20px;font-size:.92rem;color:var(--txt-mut);}
.faq-list .faq-answer p{margin-bottom:0;font-size:.92rem;}
/* ===== CTA ===== */
.cta-band{
  border-radius:var(--radius-l);
  border:1px solid var(--line);
  background:
    radial-gradient(600px 260px at 15% 10%,rgba(56,189,248,.2),transparent 62%),
    linear-gradient(140deg,rgba(17,29,54,.94),rgba(3,7,18,.92));
  padding:46px 40px;text-align:center;box-shadow:var(--shadow);
}
.cta-band h2{margin-bottom:.35em;}
.cta-band p{max-width:70ch;margin:0 auto 26px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;}
.cta-note{margin-top:20px;font-size:.78rem;color:var(--txt-dim);}
/* ===== FAB ===== */
.fab{
  position:fixed;left:1rem;bottom:6rem;z-index:50;
  width:56px;height:56px;border-radius:999px;
  display:grid;place-items:center;
  color:var(--volt);font-size:1.15rem;
  background:rgba(7,7,13,.8);
  border:1px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.86),rgba(7,7,13,.86)),linear-gradient(135deg,#22d3ee,#3b82f6 55%,#a855f7);
  background-origin:border-box;background-clip:padding-box,border-box;
  box-shadow:0 0 20px rgba(6,182,212,.45);
  opacity:.78;
  transition:opacity .25s ease,box-shadow .25s ease,transform .25s ease;
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
}
.fab:hover{opacity:1;box-shadow:0 0 32px rgba(6,182,212,.75);transform:scale(1.08);color:#e0f7ff;}
.fab:active{transform:scale(.94);}
.fab .fab-dot{
  position:absolute;top:4px;right:4px;width:12px;height:12px;border-radius:999px;
  background:#f43f5e;box-shadow:0 0 10px rgba(244,63,94,.9);
  animation:pulse 1.6s infinite;
}
@keyframes pulse{0%,100%{transform:scale(1);opacity:1;}50%{transform:scale(1.22);opacity:.72;}}
/* ===== FOOTER ===== */
.site-footer{
  border-top:1px solid var(--line-soft);
  background:linear-gradient(180deg,rgba(3,7,18,.6),rgba(3,7,18,.98));
  padding:56px 0 30px;margin-top:20px;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;}
.footer-brand p{font-size:.87rem;color:var(--txt-mut);margin-top:16px;max-width:44ch;}
.footer-col h4{
  font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--cyan);
  margin-bottom:16px;font-weight:800;
}
.footer-col a{display:block;font-size:.88rem;color:var(--txt-mut);padding:6px 0;}
.footer-col a:hover{color:var(--volt);}
.footer-note{
  margin-top:40px;padding-top:22px;border-top:1px solid var(--line-soft);
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;
  font-size:.78rem;color:var(--txt-dim);
}
.badge-18{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:34px;height:24px;padding:0 8px;border-radius:7px;
  border:1px solid var(--line);color:var(--volt);font-weight:800;font-size:.72rem;
}
/* ===== RESPONSIVE ===== */
@media screen and (max-width:1080px){
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .steps{grid-template-columns:repeat(3,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media screen and (max-width:992px){
  .nav-menu{display:none;}
  .menu-toggle{display:inline-flex;}
  .nav-actions{margin-left:auto;}
  .grid-2,.grid-3,.grid-4{grid-template-columns:repeat(2,1fr);}
  .split{grid-template-columns:1fr;gap:28px;}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .section{padding:60px 0;}
  .hero{padding:64px 0 52px;}
}
@media screen and (max-width:768px){
  .brand-text b{max-width:180px;font-size:.88rem;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .result-grid{grid-template-columns:1fr;}
  .result-band{padding:28px 22px;}
  .cta-band{padding:34px 22px;}
  .audience{grid-template-columns:1fr;}
}
@media screen and (max-width:620px){
  .brand-text{display:none;}
  .nav-wrap{gap:10px;min-height:66px;}
  .btn-ghost{padding:8px 12px;font-size:.74rem;}
  .btn-solid{padding:9px 13px;font-size:.74rem;}
  .menu-toggle{width:42px;height:42px;}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr;}
  .stats-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .section{padding:50px 0;}
  .hero h1{font-size:1.62rem;}
  .hero-sub,.lead{font-size:.96rem;}
  .btn-hero,.btn-outline{width:100%;justify-content:center;}
  .voucher{padding:20px 18px;}
  .fab{width:52px;height:52px;bottom:5.5rem;left:.75rem;}
}

/* roulang page: category2 */
:root{
  --bg-0:#030712;
  --bg-1:#081229;
  --bg-2:#0d1b3a;
  --panel:rgba(17,29,54,0.72);
  --panel-solid:#0f1c38;
  --glass:rgba(56,189,248,0.07);
  --line:rgba(96,165,250,0.22);
  --line-soft:rgba(96,165,250,0.12);
  --txt:#f8fafc;
  --txt-mut:#94a3b8;
  --txt-dim:#64748b;
  --blue:#2563eb;
  --cyan:#38bdf8;
  --holo:#60a5fa;
  --volt:#22d3ee;
  --gold:#fbbf24;
  --radius-s:10px;
  --radius:16px;
  --radius-l:24px;
  --shadow:0 18px 50px -22px rgba(2,8,20,0.95);
  --glow:0 0 24px rgba(56,189,248,0.35);
  --glow-strong:0 0 34px rgba(56,189,248,0.55);
  --ff:'Segoe UI',system-ui,-apple-system,'Helvetica Neue',Arial,'Noto Sans',sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;padding:0;
  font-family:var(--ff);
  font-size:16px;line-height:1.65;
  color:var(--txt);
  background:
    radial-gradient(1200px 600px at 80% -5%,rgba(37,99,235,0.28),transparent 60%),
    radial-gradient(900px 500px at 5% 12%,rgba(34,211,238,0.14),transparent 55%),
    linear-gradient(180deg,var(--bg-0) 0%,var(--bg-1) 45%,var(--bg-0) 100%);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--cyan);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:var(--volt);}
p{margin:0 0 1.05rem;}
h1,h2,h3,h4{font-weight:800;line-height:1.25;color:var(--txt);margin:0 0 .55rem;letter-spacing:-.01em;}
h1{font-size:2.5rem;}
h2{font-size:1.85rem;}
h3{font-size:1.12rem;}
h4{font-size:.95rem;}
ul,ol{margin:0 0 1rem;padding-left:1.15rem;}
li{margin-bottom:.4rem;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--volt);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:1220px;margin:0 auto;padding:0 20px;}
.section{padding:74px 0;position:relative;}
.section--tight{padding:52px 0;}
.section--line{border-top:1px solid var(--line-soft);}
.section--alt{background:linear-gradient(180deg,rgba(13,27,58,.55),rgba(3,7,18,0));}
.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:rgba(56,189,248,.09);
  border:1px solid var(--line);border-radius:999px;
  padding:7px 16px;margin-bottom:18px;
}
.eyebrow i{font-size:.72rem;}
.lead{font-size:1.04rem;color:var(--txt-mut);max-width:74ch;}
.section-head{max-width:760px;margin-bottom:38px;}
.section-head h2{margin-bottom:.35em;}
.section-head p{color:var(--txt-mut);margin-bottom:0;}
.text-mut{color:var(--txt-mut);}
.divider{height:1px;background:var(--line-soft);border:0;margin:0;}

/* ===== HEADER / NAV ===== */
.site-header{
  position:sticky;top:0;z-index:900;
  background:rgba(3,7,18,.82);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line-soft);
}
.nav-wrap{display:flex;align-items:center;gap:22px;min-height:74px;}
.brand{display:flex;align-items:center;gap:12px;flex:0 1 auto;min-width:0;}
.brand-mark{
  width:44px;height:44px;flex:0 0 44px;border-radius:13px;
  display:grid;place-items:center;
  background:linear-gradient(145deg,#2563eb,#38bdf8 60%,#22d3ee);
  box-shadow:var(--glow);
  color:#04122b;font-weight:900;font-size:1.05rem;
}
.brand-text{display:flex;flex-direction:column;min-width:0;}
.brand-text b{
  font-size:.95rem;font-weight:800;color:var(--txt);
  line-height:1.2;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:280px;
}
.brand-text span{font-size:.68rem;color:var(--txt-dim);letter-spacing:.1em;text-transform:uppercase;}
.nav-menu{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-menu a{
  font-size:.86rem;font-weight:600;color:var(--txt-mut);
  padding:9px 14px;border-radius:10px;white-space:nowrap;
  border:1px solid transparent;transition:all .2s ease;
}
.nav-menu a:hover{color:var(--txt);background:rgba(56,189,248,.08);border-color:var(--line-soft);}
.nav-menu a.active{color:var(--volt);background:rgba(34,211,238,.1);border-color:var(--line);}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:8px;}
.btn-ghost{
  padding:9px 18px;border-radius:11px;font-size:.84rem;font-weight:700;
  color:var(--cyan);border:1px solid var(--line);background:transparent;white-space:nowrap;
  transition:all .2s ease;cursor:pointer;display:inline-flex;align-items:center;gap:8px;
}
.btn-ghost:hover{color:var(--txt);border-color:var(--cyan);background:rgba(56,189,248,.1);}
.btn-solid{
  padding:10px 20px;border-radius:11px;font-size:.84rem;font-weight:800;
  color:#04122b;white-space:nowrap;cursor:pointer;display:inline-flex;align-items:center;gap:8px;
  background:linear-gradient(135deg,#38bdf8,#22d3ee 55%,#2563eb);
  box-shadow:var(--glow);border:none;
  transition:transform .2s ease,box-shadow .2s ease;
}
.btn-solid:hover{transform:translateY(-2px);box-shadow:var(--glow-strong);color:#04122b;}
.btn-solid:active{transform:translateY(0);}
.menu-toggle{
  display:none;margin-left:auto;width:46px;height:46px;border-radius:12px;
  border:1px solid var(--line);background:rgba(56,189,248,.07);color:var(--cyan);
  font-size:1.1rem;cursor:pointer;transition:all .2s ease;
}
.menu-toggle:hover{background:rgba(56,189,248,.16);color:var(--txt);}
.mobile-drawer{
  display:none;border-top:1px solid var(--line-soft);
  background:rgba(3,7,18,.97);padding:14px 20px 20px;
}
.mobile-drawer.open{display:block;}
.mobile-drawer a{
  display:block;padding:12px 14px;border-radius:10px;color:var(--txt-mut);
  font-weight:600;font-size:.92rem;border:1px solid transparent;
}
.mobile-drawer a:hover,.mobile-drawer a.active{color:var(--volt);background:rgba(34,211,238,.08);border-color:var(--line-soft);}
.mobile-drawer .drawer-actions{display:flex;gap:10px;margin-top:12px;}
.mobile-drawer .drawer-actions a{flex:1;text-align:center;}

/* ===== HERO ===== */
.hero{position:relative;overflow:hidden;padding:78px 0 66px;border-bottom:1px solid var(--line-soft);}
.hero-bg{
  position:absolute;inset:0;z-index:0;
  background-image:url('/assets/images/b34c4ed85e044e24.jpg');
  background-size:cover;background-position:center;
  opacity:.30;filter:saturate(1.15) contrast(1.05);
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(3,7,18,.62) 0%,rgba(3,7,18,.88) 70%,var(--bg-0) 100%),
    radial-gradient(700px 340px at 78% 22%,rgba(56,189,248,.28),transparent 68%);
}
.hero .container{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:46px;align-items:start;}
.hero h1{margin-bottom:.45em;}
.hero h1 .accent{
  background:linear-gradient(120deg,#38bdf8,#22d3ee 45%,#60a5fa);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{font-size:1.04rem;color:var(--txt-mut);max-width:66ch;margin-bottom:24px;}
.hero-points{list-style:none;padding:0;margin:0 0 28px;display:grid;gap:10px;max-width:640px;}
.hero-points li{
  display:flex;gap:12px;align-items:flex-start;
  font-size:.95rem;color:var(--txt);
  background:var(--glass);border:1px solid var(--line-soft);
  border-radius:var(--radius-s);padding:11px 14px;margin:0;
}
.hero-points i{color:var(--volt);margin-top:4px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.btn-hero{
  display:inline-flex;align-items:center;gap:10px;
  padding:15px 30px;border-radius:14px;font-size:.95rem;font-weight:800;
  color:#04122b;background:linear-gradient(135deg,#22d3ee,#38bdf8 50%,#2563eb);
  box-shadow:var(--glow-strong);border:none;cursor:pointer;
  transition:transform .22s ease,box-shadow .22s ease,filter .22s ease;
}
.btn-hero:hover{transform:translateY(-3px);filter:brightness(1.06);color:#04122b;}
.btn-hero--line{
  background:transparent;color:var(--cyan);border:1px solid var(--line);box-shadow:none;
}
.btn-hero--line:hover{color:var(--txt);border-color:var(--cyan);background:rgba(56,189,248,.1);}
.hero-trust{display:flex;flex-wrap:wrap;gap:10px;font-size:.78rem;color:var(--txt-dim);}
.chip{
  display:inline-flex;align-items:center;gap:7px;
  border:1px solid var(--line-soft);border-radius:999px;
  padding:6px 13px;font-size:.75rem;font-weight:600;color:var(--txt-mut);
  background:rgba(56,189,248,.05);
}
.chip i{color:var(--cyan);}

/* hero panel + countdown ring */
.hero-panel{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  padding:28px 24px 24px;
  box-shadow:var(--shadow);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.ring-wrap{display:flex;align-items:center;gap:20px;flex-wrap:wrap;}
.ring{position:relative;width:132px;height:132px;flex:0 0 132px;}
.ring svg{width:100%;height:100%;transform:rotate(-90deg);}
.ring-track{fill:none;stroke:rgba(96,165,250,.18);stroke-width:9;}
.ring-bar{
  fill:none;stroke:url(#ringGrad);stroke-width:9;stroke-linecap:round;
  stroke-dasharray:326.7;stroke-dashoffset:0;
  transition:stroke-dashoffset 1s linear;
  filter:drop-shadow(0 0 8px rgba(56,189,248,.6));
}
.ring-center{
  position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;
}
.ring-center b{font-size:1.5rem;font-weight:900;color:var(--txt);letter-spacing:.02em;}
.ring-label{font-size:.6rem;text-transform:uppercase;letter-spacing:.14em;color:var(--txt-dim);}
.panel-meta{flex:1 1 160px;min-width:150px;}
.panel-meta h3{font-size:1rem;margin-bottom:.35rem;}
.panel-meta p{font-size:.86rem;color:var(--txt-mut);margin:0;}
.panel-stats{
  margin-top:22px;padding-top:20px;border-top:1px solid var(--line-soft);
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;
}
.panel-stats div span{display:block;font-size:.7rem;text-transform:uppercase;letter-spacing:.1em;color:var(--txt-dim);}
.panel-stats div b{font-size:1.2rem;color:var(--volt);font-weight:900;}

/* ===== CARDS / GRIDS ===== */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.glass-card{
  background:var(--panel);
  border:1px solid var(--line-soft);
  border-radius:var(--radius);
  padding:24px 22px;
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  box-shadow:var(--shadow);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
  height:100%;
}
.glass-card:hover{transform:translateY(-4px);border-color:var(--line);box-shadow:0 22px 55px -20px rgba(56,189,248,.35);}
.glass-card h3{margin-bottom:.5rem;}
.glass-card p{color:var(--txt-mut);font-size:.93rem;margin-bottom:0;}
.icon-box{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(145deg,rgba(56,189,248,.22),rgba(37,99,235,.28));
  border:1px solid var(--line);color:var(--volt);font-size:1.05rem;margin-bottom:16px;
}
.card-label{
  display:inline-block;font-size:.68rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;
  color:var(--gold);border:1px solid rgba(251,191,36,.32);border-radius:999px;
  padding:4px 11px;margin-bottom:14px;background:rgba(251,191,36,.07);
}
.media-card{overflow:hidden;border-radius:var(--radius);border:1px solid var(--line-soft);background:var(--panel-solid);box-shadow:var(--shadow);height:100%;display:flex;flex-direction:column;transition:transform .25s ease,border-color .25s ease;}
.media-card:hover{transform:translateY(-4px);border-color:var(--line);}
.media-card img{width:100%;height:180px;object-fit:cover;opacity:.92;}
.media-body{padding:20px;flex:1;}
.media-body h3{font-size:1.05rem;margin-bottom:.4rem;}
.media-body p{font-size:.9rem;color:var(--txt-mut);margin-bottom:0;}

/* ===== RULE / RANK LIST ===== */
.chi-structure{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-bottom:38px;}
.chi-box{
  border:1px solid var(--line);border-radius:var(--radius);
  background:linear-gradient(160deg,rgba(56,189,248,.09),rgba(9,17,36,.7));
  padding:22px 20px;
}
.chi-box .num{font-size:2rem;font-weight:900;color:var(--holo);line-height:1;margin-bottom:8px;}
.chi-box h3{font-size:1rem;margin-bottom:.3rem;}
.chi-box p{font-size:.86rem;color:var(--txt-mut);margin:0;}
.rank-list{list-style:none;padding:0;margin:0;display:grid;gap:10px;}
.rank-list li{
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  padding:14px 18px;border-radius:var(--radius-s);
  background:rgba(15,28,56,.62);border:1px solid var(--line-soft);
  transition:border-color .2s ease,transform .2s ease;margin:0;
}
.rank-list li:hover{border-color:var(--line);transform:translateX(4px);}
.rank-badge{
  flex:0 0 32px;width:32px;height:32px;border-radius:9px;display:grid;place-items:center;
  font-size:.85rem;font-weight:900;color:#04122b;
  background:linear-gradient(140deg,#38bdf8,#22d3ee);
}
.rank-list b{font-size:.96rem;color:var(--txt);min-width:170px;}
.rank-list span{font-size:.86rem;color:var(--txt-mut);}

/* ===== STEPS ===== */
.step-list{list-style:none;padding:0;margin:0;display:grid;gap:16px;counter-reset:step;}
.step-list li{
  display:grid;grid-template-columns:56px 1fr;gap:18px;align-items:start;
  padding:20px;border-radius:var(--radius);
  border:1px solid var(--line-soft);background:rgba(11,22,46,.6);
  margin:0;transition:border-color .2s ease,background .2s ease;
}
.step-list li:hover{border-color:var(--line);background:rgba(15,28,56,.8);}
.step-num{
  width:52px;height:52px;border-radius:15px;display:grid;place-items:center;
  font-size:1.15rem;font-weight:900;color:var(--volt);
  background:rgba(34,211,238,.1);border:1px solid var(--line);
}
.step-list h3{font-size:1rem;margin-bottom:.3rem;}
.step-list p{font-size:.9rem;color:var(--txt-mut);margin:0;}
.step-list .tag{display:inline-block;margin-top:10px;font-size:.72rem;font-weight:700;color:var(--holo);text-transform:uppercase;letter-spacing:.1em;}

/* ===== STATS ===== */
.stats-band{
  border-radius:var(--radius-l);border:1px solid var(--line);
  background:linear-gradient(140deg,rgba(37,99,235,.22),rgba(3,7,18,.85) 60%);
  padding:34px 30px;box-shadow:var(--shadow);
}
.stats-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px;}
.stat-card{border-left:2px solid var(--cyan);padding-left:16px;}
.stat-card b{display:block;font-size:1.9rem;font-weight:900;color:var(--txt);line-height:1.1;}
.stat-card span{font-size:.82rem;color:var(--txt-mut);}
.stat-note{margin-top:22px;font-size:.82rem;color:var(--txt-dim);}

/* ===== FAQ ===== */
.faq-list{display:grid;gap:12px;}
.faq-item{
  border:1px solid var(--line-soft);border-radius:var(--radius);
  background:rgba(11,22,46,.6);overflow:hidden;
}
.faq-item[open]{border-color:var(--line);background:rgba(15,28,56,.78);}
.faq-item summary{
  cursor:pointer;list-style:none;padding:18px 20px;
  font-weight:700;font-size:.98rem;color:var(--txt);
  display:flex;justify-content:space-between;gap:16px;align-items:center;
}
.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;transition:transform .25s ease;
}
.faq-item[open] summary::after{content:"\f068";transform:rotate(180deg);}
.faq-item p{padding:0 20px 20px;margin:0;color:var(--txt-mut);font-size:.92rem;}

/* ===== CATEGORY MATRIX ===== */
.cat-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.cat-card{
  display:block;padding:24px 22px;border-radius:var(--radius);
  border:1px solid var(--line-soft);background:rgba(11,22,46,.62);
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.cat-card:hover{transform:translateY(-4px);border-color:var(--cyan);box-shadow:0 20px 45px -22px rgba(56,189,248,.5);}
.cat-card i{color:var(--volt);font-size:1.1rem;margin-bottom:12px;display:block;}
.cat-card b{display:block;font-size:1.05rem;color:var(--txt);margin-bottom:.35rem;}
.cat-card span{font-size:.88rem;color:var(--txt-mut);display:block;}

/* ===== CTA BAND ===== */
.cta-band{
  border-radius:var(--radius-l);
  border:1px solid var(--line);
  background:
    radial-gradient(600px 260px at 15% 10%,rgba(56,189,248,.24),transparent 65%),
    linear-gradient(150deg,rgba(37,99,235,.35),rgba(3,7,18,.92));
  padding:44px 34px;text-align:center;box-shadow:var(--shadow);
}
.cta-band h2{margin-bottom:.5rem;}
.cta-band p{color:var(--txt-mut);max-width:70ch;margin:0 auto 24px;}
.cta-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:14px;}

/* ===== FOOTER ===== */
.site-footer{
  border-top:1px solid var(--line-soft);
  background:linear-gradient(180deg,rgba(3,7,18,.4),rgba(3,7,18,.95));
  padding:56px 0 26px;margin-top:20px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{font-size:.88rem;color:var(--txt-mut);max-width:44ch;}
.footer-col h4{font-size:.8rem;text-transform:uppercase;letter-spacing:.14em;color:var(--cyan);margin-bottom:14px;}
.footer-col a{display:block;font-size:.88rem;color:var(--txt-mut);padding:5px 0;}
.footer-col a:hover{color:var(--volt);}
.footer-note{
  margin-top:36px;padding-top:20px;border-top:1px solid var(--line-soft);
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  font-size:.78rem;color:var(--txt-dim);
}
.badge-18{
  border:1px solid rgba(251,191,36,.42);color:var(--gold);
  border-radius:8px;padding:3px 9px;font-weight:800;font-size:.72rem;
}

/* ===== FAB ===== */
.fab-support{
  position:fixed;left:16px;bottom:96px;z-index:50;
  display:inline-flex;align-items:center;gap:10px;
  padding:12px 18px;border-radius:999px;
  background:rgba(7,7,13,.8);
  -webkit-backdrop-filter:blur(14px);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,#22d3ee,#38bdf8 55%,#2563eb);
  background-origin:border-box;background-clip:padding-box,border-box;
  box-shadow:0 0 20px rgba(6,182,212,.45);
  color:var(--txt);font-size:.82rem;font-weight:700;
  opacity:.78;min-height:52px;
  transition:transform .25s ease,opacity .25s ease,box-shadow .25s ease;
  animation:fabPulse 3.4s ease-in-out infinite;
}
.fab-support i{color:var(--volt);font-size:1rem;transition:transform .4s ease;}
.fab-support:hover{opacity:1;transform:scale(1.05);box-shadow:0 0 32px rgba(6,182,212,.7);color:var(--txt);}
.fab-support:hover i{transform:rotate(360deg);}
.fab-support:active{transform:scale(.95) translateY(2px);}
.fab-dot{
  position:absolute;top:4px;right:6px;width:9px;height:9px;border-radius:50%;
  background:#f43f5e;box-shadow:0 0 0 2px rgba(3,7,18,.9);
  animation:dotBlink 1.5s ease-in-out infinite;
}
@keyframes fabPulse{0%,100%{box-shadow:0 0 18px rgba(6,182,212,.4);}50%{box-shadow:0 0 30px rgba(6,182,212,.72);}}
@keyframes dotBlink{0%,100%{opacity:1;}50%{opacity:.3;}}

@media (prefers-reduced-motion: reduce){
  *{animation:none !important;transition:none !important;}
}

/* ===== RESPONSIVE ===== */
@media (max-width:1024px){
  h1{font-size:2.1rem;}
  h2{font-size:1.6rem;}
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr));}
  .stats-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px;}
  .nav-menu{display:none;}
  .nav-actions{display:none;}
  .menu-toggle{display:block;}
}
@media (max-width:768px){
  .section{padding:56px 0;}
  .grid-3,.grid-2,.cat-grid,.chi-structure{grid-template-columns:1fr;}
  .brand-text b{max-width:180px;font-size:.86rem;}
  .ring{width:118px;height:118px;flex:0 0 118px;}
  .step-list li{grid-template-columns:44px 1fr;gap:14px;padding:16px;}
  .step-num{width:44px;height:44px;border-radius:12px;font-size:1rem;}
  .stats-band,.cta-band{padding:28px 20px;}
  .rank-list b{min-width:0;width:100%;}
}
@media (max-width:520px){
  h1{font-size:1.68rem;}
  h2{font-size:1.35rem;}
  body{font-size:15px;}
  .container{padding:0 15px;}
  .hero{padding:52px 0 46px;}
  .grid-4,.stats-grid,.panel-stats,.footer-grid{grid-template-columns:1fr;}
  .hero-cta .btn-hero{width:100%;justify-content:center;}
  .cta-actions .btn-hero{width:100%;justify-content:center;}
  .fab-support{padding:11px 14px;bottom:84px;left:12px;font-size:0;}
  .fab-support i{font-size:1.15rem;}
  .footer-note{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category3 */
:root{
  --bg-0:#030712;
  --bg-1:#081229;
  --bg-2:#0d1b3a;
  --panel:rgba(17,29,54,0.72);
  --panel-solid:#0f1c38;
  --glass:rgba(56,189,248,0.07);
  --line:rgba(96,165,250,0.22);
  --line-soft:rgba(96,165,250,0.12);
  --txt:#f8fafc;
  --txt-mut:#94a3b8;
  --txt-dim:#64748b;
  --blue:#2563eb;
  --cyan:#38bdf8;
  --holo:#60a5fa;
  --volt:#22d3ee;
  --gold:#fbbf24;
  --radius-s:10px;
  --radius:16px;
  --radius-l:24px;
  --shadow:0 18px 50px -22px rgba(2,8,20,0.95);
  --glow:0 0 24px rgba(56,189,248,0.35);
  --glow-strong:0 0 34px rgba(56,189,248,0.55);
  --ff:'Segoe UI',system-ui,-apple-system,'Helvetica Neue',Arial,'Noto Sans',sans-serif;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;padding:0;
  font-family:var(--ff);
  font-size:16px;line-height:1.6;
  color:var(--txt);
  background:
    radial-gradient(1200px 600px at 80% -5%,rgba(37,99,235,0.28),transparent 60%),
    radial-gradient(900px 500px at 5% 12%,rgba(34,211,238,0.14),transparent 55%),
    linear-gradient(180deg,var(--bg-0) 0%,var(--bg-1) 45%,var(--bg-0) 100%);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--cyan);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:var(--volt);}
h1,h2,h3,h4{line-height:1.25;font-weight:800;letter-spacing:-.01em;color:var(--txt);}
h1{font-size:2.35rem;}
h2{font-size:1.7rem;}
h3{font-size:1.16rem;}
p{margin-top:0;}
ul{margin:0;}
button{font-family:inherit;}
.container{width:100%;max-width:1220px;margin:0 auto;padding:0 20px;}
.section{padding:74px 0;position:relative;}
.section--tight{padding:52px 0;}
.section--line{border-top:1px solid var(--line-soft);}
.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:rgba(56,189,248,.09);
  border:1px solid var(--line);border-radius:999px;
  padding:7px 16px;margin-bottom:18px;
}
.lead{font-size:1.04rem;color:var(--txt-mut);max-width:74ch;}
.section-head{max-width:780px;margin-bottom:38px;}
.section-head h2{margin-bottom:.35em;}
.section-head p{color:var(--txt-mut);margin-bottom:0;}
/* HEADER / NAV */
.site-header{
  position:sticky;top:0;z-index:900;
  background:rgba(3,7,18,.82);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line-soft);
}
.nav-wrap{display:flex;align-items:center;gap:22px;min-height:74px;}
.brand{display:flex;align-items:center;gap:12px;flex:0 1 auto;min-width:0;}
.brand-mark{
  width:44px;height:44px;flex:0 0 44px;border-radius:13px;
  display:grid;place-items:center;
  background:linear-gradient(145deg,#2563eb,#38bdf8 60%,#22d3ee);
  box-shadow:var(--glow);
  color:#04122b;font-weight:900;font-size:1.05rem;
}
.brand-text{display:flex;flex-direction:column;min-width:0;}
.brand-text b{
  font-size:.95rem;font-weight:800;color:var(--txt);
  line-height:1.2;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:280px;
}
.brand-text span{font-size:.68rem;color:var(--txt-dim);letter-spacing:.1em;text-transform:uppercase;}
.nav-menu{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-menu a{
  font-size:.86rem;font-weight:600;color:var(--txt-mut);
  padding:9px 14px;border-radius:10px;white-space:nowrap;
  border:1px solid transparent;transition:all .2s ease;
}
.nav-menu a:hover{color:var(--txt);background:rgba(56,189,248,.08);border-color:var(--line-soft);}
.nav-menu a.active{color:var(--volt);background:rgba(34,211,238,.1);border-color:var(--line);}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:8px;}
.btn-ghost{
  padding:9px 18px;border-radius:11px;font-size:.84rem;font-weight:700;
  color:var(--cyan);border:1px solid var(--line);background:transparent;white-space:nowrap;
  transition:all .2s ease;cursor:pointer;
}
.btn-ghost:hover{color:var(--txt);border-color:var(--cyan);background:rgba(56,189,248,.1);}
.btn-solid{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 20px;border-radius:11px;font-size:.84rem;font-weight:800;
  color:#04122b;white-space:nowrap;cursor:pointer;
  background:linear-gradient(135deg,#38bdf8,#22d3ee 55%,#2563eb);
  box-shadow:var(--glow);border:none;
  transition:transform .2s ease,box-shadow .2s ease;
}
.btn-solid:hover{transform:translateY(-2px);box-shadow:var(--glow-strong);color:#04122b;}
.menu-toggle{
  display:none;margin-left:auto;width:46px;height:46px;border-radius:12px;
  border:1px solid var(--line);background:rgba(56,189,248,.07);color:var(--cyan);
  font-size:1.1rem;cursor:pointer;
}
.mobile-drawer{
  display:none;border-top:1px solid var(--line-soft);
  background:rgba(3,7,18,.97);padding:14px 20px 20px;
}
.mobile-drawer.open{display:block;}
.mobile-drawer a{
  display:block;padding:12px 14px;border-radius:10px;color:var(--txt-mut);
  font-weight:600;font-size:.92rem;border:1px solid transparent;
}
.mobile-drawer a:hover,.mobile-drawer a.active{color:var(--volt);background:rgba(34,211,238,.08);border-color:var(--line-soft);}
.mobile-drawer .drawer-actions{display:flex;gap:10px;margin-top:12px;}
.mobile-drawer .drawer-actions a{flex:1;text-align:center;border:1px solid var(--line);}
/* HERO */
.cat-hero{
  position:relative;overflow:hidden;
  padding:80px 0 68px;
  border-bottom:1px solid var(--line-soft);
}
.cat-hero-bg{
  position:absolute;inset:0;z-index:0;
  background-image:url('/assets/images/31878a688e104c1b.jpg');
  background-size:cover;background-position:center;
  opacity:.26;filter:saturate(1.15) contrast(1.05);
}
.cat-hero-bg::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(3,7,18,.62) 0%,rgba(3,7,18,.88) 72%,var(--bg-0) 100%),
    radial-gradient(720px 340px at 78% 20%,rgba(56,189,248,.28),transparent 68%);
}
.cat-hero .container{position:relative;z-index:2;}
.cat-hero-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:42px;align-items:start;}
.cat-hero h1{margin-bottom:.42em;}
.cat-hero h1 .accent{
  background:linear-gradient(120deg,#38bdf8,#22d3ee 45%,#60a5fa);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.cat-hero-sub{font-size:1.05rem;color:var(--txt-mut);max-width:64ch;margin-bottom:26px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:8px;}
.btn-hero{
  display:inline-flex;align-items:center;gap:10px;
  padding:15px 30px;border-radius:14px;font-size:.95rem;font-weight:800;
  color:#04122b;background:linear-gradient(135deg,#22d3ee,#38bdf8 50%,#2563eb);
  box-shadow:var(--glow-strong);transition:transform .2s ease,box-shadow .2s ease;border:none;cursor:pointer;
}
.btn-hero:hover{transform:translateY(-3px);box-shadow:0 0 40px rgba(56,189,248,.65);color:#04122b;}
.btn-hero--line{
  background:transparent;color:var(--cyan);border:1px solid var(--line);box-shadow:none;
}
.btn-hero--line:hover{background:rgba(56,189,248,.1);border-color:var(--cyan);color:var(--txt);}
/* PANEL */
.glass-panel{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius-l);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow);
  padding:26px 24px;
}
.panel-title{
  font-size:.74rem;font-weight:800;letter-spacing:.16em;text-transform:uppercase;
  color:var(--txt-dim);margin-bottom:16px;
}
.vault-list{list-style:none;padding:0;margin:0;}
.vault-list li{
  display:flex;align-items:flex-start;gap:12px;
  padding:11px 0;border-bottom:1px dashed var(--line-soft);font-size:.92rem;color:var(--txt-mut);
}
.vault-list li:last-child{border-bottom:none;}
.vault-list i{color:var(--cyan);margin-top:4px;font-size:.85rem;}
.vault-list b{color:var(--txt);}
.metric-row{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:22px;}
.metric{
  background:var(--glass);border:1px solid var(--line-soft);
  border-radius:var(--radius);padding:14px 12px;text-align:center;
}
.metric b{display:block;font-size:1.22rem;color:var(--volt);font-weight:900;line-height:1.2;}
.metric span{font-size:.7rem;color:var(--txt-dim);text-transform:uppercase;letter-spacing:.08em;}
/* GRIDS + CARDS */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.info-card{
  background:var(--panel);
  border:1px solid var(--line-soft);
  border-radius:var(--radius-l);
  padding:26px 24px;
  transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
  height:100%;
}
.info-card:hover{transform:translateY(-5px);border-color:var(--line);box-shadow:var(--glow);}
.info-card .ic{
  width:48px;height:48px;border-radius:14px;display:grid;place-items:center;
  background:rgba(56,189,248,.1);border:1px solid var(--line);
  color:var(--cyan);font-size:1.15rem;margin-bottom:18px;
}
.info-card h3{margin-bottom:.5em;}
.info-card p{color:var(--txt-mut);font-size:.93rem;margin-bottom:0;}
.tag{
  display:inline-block;font-size:.68rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;
  padding:5px 12px;border-radius:999px;
  color:var(--volt);background:rgba(34,211,238,.1);border:1px solid var(--line);margin-bottom:14px;
}
/* STEPS */
.step-list{display:flex;flex-direction:column;gap:0;}
.step{
  display:grid;grid-template-columns:64px 1fr;gap:22px;
  padding:24px 0;border-bottom:1px solid var(--line-soft);
}
.step:last-child{border-bottom:none;}
.step-num{
  width:56px;height:56px;border-radius:16px;display:grid;place-items:center;
  font-weight:900;font-size:1.15rem;color:#04122b;
  background:linear-gradient(145deg,#38bdf8,#22d3ee);
  box-shadow:var(--glow);
}
.step h3{margin-bottom:.35em;}
.step p{color:var(--txt-mut);font-size:.94rem;margin-bottom:0;}
/* FEATURE SPLIT */
.split{display:grid;grid-template-columns:1fr 1fr;gap:46px;align-items:center;}
.split-media{
  border-radius:var(--radius-l);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow);
}
.split-media img{width:100%;object-fit:cover;aspect-ratio:16/11;}
.check-list{list-style:none;padding:0;margin:20px 0 0;}
.check-list li{
  display:flex;gap:12px;padding:9px 0;font-size:.94rem;color:var(--txt-mut);
}
.check-list i{color:var(--volt);margin-top:5px;font-size:.8rem;}
.check-list b{color:var(--txt);}
/* TABLE */
.ratio-table{
  width:100%;border-collapse:collapse;margin-top:22px;font-size:.92rem;
  background:var(--panel);border:1px solid var(--line-soft);border-radius:var(--radius);overflow:hidden;
}
.ratio-table th{
  background:rgba(56,189,248,.09);color:var(--cyan);
  font-size:.74rem;letter-spacing:.1em;text-transform:uppercase;
  padding:13px 16px;text-align:left;border-bottom:1px solid var(--line);
}
.ratio-table td{padding:13px 16px;color:var(--txt-mut);border-bottom:1px solid var(--line-soft);}
.ratio-table tr:last-child td{border-bottom:none;}
.ratio-table td b{color:var(--txt);}
/* TRUST STRIP */
.trust-strip{
  background:linear-gradient(120deg,rgba(37,99,235,.16),rgba(34,211,238,.08));
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:30px 0;
}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center;}
.trust-grid .t i{font-size:1.5rem;color:var(--cyan);margin-bottom:10px;display:block;}
.trust-grid .t b{display:block;font-size:1.05rem;color:var(--txt);}
.trust-grid .t span{font-size:.78rem;color:var(--txt-dim);}
/* FAQ */
.faq-item{
  border:1px solid var(--line-soft);border-radius:var(--radius);
  background:var(--panel);margin-bottom:14px;overflow:hidden;
}
.faq-item summary{
  cursor:pointer;list-style:none;padding:18px 22px;
  font-weight:700;font-size:.98rem;color:var(--txt);
  display:flex;justify-content:space-between;align-items:center;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;
  color:var(--cyan);font-size:.8rem;transition:transform .25s ease;
}
.faq-item[open] summary::after{transform:rotate(180deg);}
.faq-item .faq-body{padding:0 22px 20px;color:var(--txt-mut);font-size:.93rem;}
/* CTA BLOCK */
.cta-block{
  position:relative;overflow:hidden;
  border-radius:var(--radius-l);
  border:1px solid var(--line);
  background:
    radial-gradient(600px 300px at 82% 18%,rgba(56,189,248,.22),transparent 62%),
    linear-gradient(140deg,rgba(15,28,56,.95),rgba(8,18,41,.95));
  padding:54px 46px;
  box-shadow:var(--shadow);
}
.cta-block h2{margin-bottom:.4em;}
.cta-block p{color:var(--txt-mut);max-width:62ch;margin-bottom:26px;}
/* LIST */
.post-list{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.post-card{
  background:var(--panel);border:1px solid var(--line-soft);border-radius:var(--radius-l);
  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(-5px);border-color:var(--line);box-shadow:var(--glow);}
.post-card .thumb{aspect-ratio:16/10;overflow:hidden;background:var(--bg-2);}
.post-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.post-card:hover .thumb img{transform:scale(1.06);}
.post-card .body{padding:20px 22px 24px;display:flex;flex-direction:column;flex:1;}
.post-card .cat{
  font-size:.66rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;
  color:var(--cyan);margin-bottom:10px;
}
.post-card h3{font-size:1.02rem;margin-bottom:.5em;line-height:1.4;}
.post-card h3 a{color:var(--txt);}
.post-card h3 a:hover{color:var(--volt);}
.post-card p{color:var(--txt-mut);font-size:.87rem;margin-bottom:14px;flex:1;}
.post-card .meta{font-size:.74rem;color:var(--txt-dim);display:flex;gap:14px;align-items:center;}
.empty-note{
  grid-column:1/-1;text-align:center;padding:40px 20px;color:var(--txt-dim);
  border:1px dashed var(--line);border-radius:var(--radius);
}
.list-more{margin-top:30px;text-align:left;}
/* FOOTER */
.site-footer{
  background:rgba(3,7,18,.92);
  border-top:1px solid var(--line);
  padding:56px 0 28px;margin-top:20px;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;margin-bottom:38px;}
.footer-brand .brand{margin-bottom:16px;}
.footer-brand p{color:var(--txt-mut);font-size:.88rem;max-width:44ch;}
.footer-col h4{
  font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--cyan);margin-bottom:16px;font-weight:800;
}
.footer-col a{
  display:block;color:var(--txt-mut);font-size:.88rem;padding:6px 0;
}
.footer-col a:hover{color:var(--volt);}
.footer-note{
  border-top:1px solid var(--line-soft);padding-top:22px;
  display:flex;justify-content:space-between;align-items:center;gap:18px;flex-wrap:wrap;
  font-size:.78rem;color:var(--txt-dim);
}
.badge-18{
  display:inline-grid;place-items:center;
  min-width:34px;height:24px;padding:0 8px;border-radius:7px;
  background:rgba(220,38,38,.16);border:1px solid rgba(220,38,38,.5);
  color:#fca5a5;font-weight:800;font-size:.7rem;
}
/* FAB */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:950;
  width:58px;height:58px;border-radius:50%;
  display:grid;place-items:center;
  background:linear-gradient(145deg,rgba(8,18,41,.92),rgba(15,28,56,.92));
  border:2px solid var(--cyan);
  box-shadow:0 0 22px rgba(56,189,248,.45);
  color:var(--cyan);font-size:1.25rem;cursor:pointer;
  opacity:.85;transition:transform .25s ease,opacity .25s ease,box-shadow .25s ease;
  animation:fabFloat 3.4s ease-in-out infinite;
}
.fab:hover{transform:scale(1.1);opacity:1;box-shadow:0 0 34px rgba(56,189,248,.7);}
.fab:active{transform:scale(.94);}
.fab .dot{
  position:absolute;top:2px;right:2px;width:13px;height:13px;border-radius:50%;
  background:#dc2626;box-shadow:0 0 0 2px rgba(3,7,18,.9);
}
@keyframes fabFloat{0%,100%{transform:translateY(0);}50%{transform:translateY(-6px);}}
/* RESPONSIVE */
@media (max-width:1024px){
  h1{font-size:2rem;}
  .cat-hero-grid{grid-template-columns:1fr;gap:34px;}
  .grid-3,.post-list{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:30px;}
  .trust-grid{grid-template-columns:repeat(2,1fr);}
  .split{grid-template-columns:1fr;gap:30px;}
}
@media (max-width:820px){
  .nav-menu,.nav-actions{display:none;}
  .menu-toggle{display:grid;place-items:center;}
}
@media (max-width:640px){
  h1{font-size:1.62rem;}
  h2{font-size:1.34rem;}
  .section{padding:54px 0;}
  .grid-3,.grid-2,.post-list{grid-template-columns:1fr;}
  .metric-row{grid-template-columns:1fr;}
  .step{grid-template-columns:46px 1fr;gap:16px;}
  .step-num{width:44px;height:44px;border-radius:13px;font-size:1rem;}
  .cta-block{padding:36px 24px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-note{flex-direction:column;align-items:flex-start;}
  .trust-grid{grid-template-columns:1fr;gap:18px;}
  .fab{left:12px;bottom:88px;width:52px;height:52px;}
}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:6px;}