/* roulang page: index */
:root{
  --bg:#04070f;
  --bg-soft:#070d1b;
  --surface:#0b1322;
  --surface-2:#101a2d;
  --line:rgba(56,189,248,.14);
  --line-strong:rgba(56,189,248,.32);
  --text:#f1f5f9;
  --text-2:#b7c3d6;
  --muted:#7d8ba3;
  --cyan:#22d3ee;
  --cyan-deep:#0891b2;
  --lime:#a3e635;
  --gold:#fbbf24;
  --rose:#f43f5e;
  --r-xl:22px;
  --r-lg:16px;
  --r-md:12px;
  --r-sm:9px;
  --sh-soft:0 10px 30px rgba(0,0,0,.45);
  --sh-glow:0 0 0 1px rgba(34,211,238,.22), 0 14px 44px rgba(8,145,178,.22);
  --container:1200px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Segoe UI",system-ui,-apple-system,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;border:0}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.28;letter-spacing:-.012em}
p{margin:0}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:8px}
::selection{background:rgba(34,211,238,.35)}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(4,7,15,.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:18px;min-height:72px}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.brand-mark{
  width:40px;height:40px;flex:0 0 auto;display:grid;place-items:center;
  border-radius:13px;font-size:20px;
  background:linear-gradient(145deg,#0e7490,#22d3ee);
  box-shadow:0 0 20px rgba(34,211,238,.4);
}
.brand-text{display:flex;flex-direction:column;font-size:15px;font-weight:800;line-height:1.15}
.brand-text em{font-style:normal;font-size:10.5px;font-weight:600;letter-spacing:.09em;text-transform:uppercase;color:var(--muted);margin-top:2px}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  padding:9px 14px;border-radius:10px;font-size:14.5px;font-weight:600;
  color:var(--text-2);white-space:nowrap;border:1px solid transparent;
  transition:color .2s,background .2s,border-color .2s;
}
.nav-link:hover{color:#fff;background:rgba(34,211,238,.09)}
.nav-link.is-active{color:#fff;background:rgba(34,211,238,.13);border-color:var(--line-strong)}
.header-actions{display:flex;align-items:center;gap:9px;flex:0 0 auto}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;cursor:pointer;
  border:1px solid var(--line-strong);background:rgba(34,211,238,.07);
  align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--cyan);border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--cyan);border-radius:2px;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 20px;border-radius:12px;font-size:14.5px;font-weight:700;
  cursor:pointer;border:1px solid transparent;white-space:nowrap;
  transition:transform .16s var(--ease),box-shadow .22s var(--ease),background .22s,color .22s,border-color .22s;
}
.btn:active{transform:translateY(1px) scale(.99)}
.btn-solid{background:linear-gradient(135deg,#0891b2,#22d3ee);color:#04121a;box-shadow:0 0 18px rgba(34,211,238,.34)}
.btn-solid:hover{box-shadow:0 0 30px rgba(34,211,238,.55);transform:translateY(-1px)}
.btn-ghost{color:var(--cyan);border-color:var(--line-strong);background:rgba(34,211,238,.05)}
.btn-ghost:hover{background:rgba(34,211,238,.14);color:#fff}
.btn-primary{
  background:linear-gradient(135deg,#22d3ee,#a3e635);
  color:#04121a;box-shadow:0 10px 32px rgba(34,211,238,.32);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 40px rgba(163,230,53,.35)}
.btn-outline{color:var(--text);border-color:var(--line-strong);background:rgba(255,255,255,.02)}
.btn-outline:hover{border-color:var(--cyan);color:#fff;background:rgba(34,211,238,.1)}
.btn-lg{padding:14px 28px;font-size:15.5px;border-radius:14px}
.btn-block{width:100%}

/* ---------- Shared bits ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:7px;
  font-size:11.5px;font-weight:700;letter-spacing:.11em;text-transform:uppercase;
  color:var(--cyan);background:rgba(34,211,238,.09);
  border:1px solid var(--line-strong);border-radius:999px;padding:5px 13px;
}
.section{padding:74px 0;position:relative}
.section-alt{background:linear-gradient(180deg,#04070f,#070d1b 45%,#04070f)}
.section-line{border-top:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:34px}
.section-head h2{font-size:clamp(1.45rem,2.7vw,2.05rem);margin:16px 0 12px}
.section-head p{color:var(--text-2);font-size:15.5px;line-height:1.72}
.section-head--wide{max-width:none}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:11.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;
  padding:4px 10px;border-radius:999px;
  background:rgba(163,230,53,.12);border:1px solid rgba(163,230,53,.34);color:var(--lime);
}
.badge--cyan{background:rgba(34,211,238,.12);border-color:var(--line-strong);color:var(--cyan)}
.badge--gold{background:rgba(251,191,36,.12);border-color:rgba(251,191,36,.34);color:var(--gold)}
.badge--rose{background:rgba(244,63,94,.13);border-color:rgba(244,63,94,.34);color:#fb7185}
.empty-state{color:var(--muted);font-size:15px;padding:22px 0}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:70px 0 54px;background:#04070f}
.hero-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:.3;filter:saturate(1.15) contrast(1.05);
}
.hero-veil{
  position:absolute;inset:0;
  background:
    radial-gradient(110% 85% at 12% 6%,rgba(8,145,178,.34),transparent 58%),
    radial-gradient(80% 70% at 92% 82%,rgba(163,230,53,.12),transparent 62%),
    linear-gradient(180deg,rgba(4,7,15,.72),#04070f 94%);
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.35fr .92fr;gap:40px;align-items:start}
.hero h1{font-size:clamp(1.75rem,3.7vw,2.85rem);margin:18px 0 18px;letter-spacing:-.02em}
.hero-lead{color:var(--text-2);font-size:16px;line-height:1.75;max-width:640px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin:26px 0 22px}
.hero-tags{display:flex;flex-wrap:wrap;gap:9px}
.hero-tags li{
  font-size:12.5px;font-weight:600;color:var(--text-2);
  border:1px solid var(--line);border-radius:999px;padding:6px 13px;
  background:rgba(255,255,255,.025);
}
.hero-panel{
  border:1px solid var(--line-strong);border-radius:var(--r-xl);
  background:linear-gradient(165deg,rgba(16,26,45,.92),rgba(6,11,22,.94));
  padding:24px;box-shadow:var(--sh-glow);
}
.hero-panel h2{font-size:15px;letter-spacing:.04em;text-transform:uppercase;color:var(--cyan);font-weight:700}
.panel-list{margin-top:16px;display:grid;gap:1px;background:var(--line);border-radius:var(--r-md);overflow:hidden}
.panel-row{display:flex;align-items:baseline;justify-content:space-between;gap:14px;background:#0a1220;padding:12px 14px}
.panel-row dt{font-size:13.5px;color:var(--muted)}
.panel-row dd{margin:0;font-size:14.5px;font-weight:700;color:#fff}
.panel-note{margin-top:14px;font-size:12.5px;color:var(--muted);line-height:1.6}

.metric-bar{
  position:relative;z-index:2;margin-top:44px;
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--line);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
}
.metric{padding:20px 18px;background:#070d1b}
.metric strong{display:block;font-size:1.5rem;font-weight:800;color:#fff;letter-spacing:-.02em}
.metric span{display:block;font-size:13px;color:var(--muted);margin-top:4px}

/* ---------- Spec quick view ---------- */
.spec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.spec-item{
  border:1px solid var(--line);border-radius:var(--r-lg);
  background:linear-gradient(160deg,rgba(16,26,45,.7),rgba(7,13,27,.7));
  padding:20px 20px 18px;
  transition:border-color .22s,transform .22s var(--ease);
}
.spec-item:hover{border-color:var(--line-strong);transform:translateY(-3px)}
.spec-item span{display:block;font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);font-weight:700}
.spec-item strong{display:block;font-size:1.05rem;margin:9px 0 7px;color:#fff}
.spec-item p{font-size:13.5px;color:var(--text-2);line-height:1.65}

/* ---------- Feature blocks ---------- */
.feature-wrap{display:grid;gap:1px;background:var(--line);border-radius:var(--r-xl);overflow:hidden;border:1px solid var(--line)}
.feature-row{display:grid;grid-template-columns:78px 1fr;gap:22px;background:#070d1b;padding:28px 26px}
.feature-row:nth-child(even){background:#091120}
.feature-index{
  font-size:1.6rem;font-weight:800;color:transparent;
  -webkit-text-stroke:1px rgba(34,211,238,.55);
  line-height:1.1;
}
.feature-row h3{font-size:1.02rem;font-weight:700;color:#fff;line-height:1.5;letter-spacing:0}
.feature-row p{margin-top:11px;font-size:14.5px;color:var(--text-2);line-height:1.72}
.feature-row .badge{margin-top:14px}

/* ---------- Scenario matrix ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.scene-card{
  border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;
  background:linear-gradient(155deg,rgba(34,211,238,.06),rgba(7,13,27,.85));
  transition:border-color .22s,box-shadow .22s,transform .22s var(--ease);
}
.scene-card:hover{border-color:var(--line-strong);box-shadow:var(--sh-glow);transform:translateY(-3px)}
.scene-icon{font-size:22px;line-height:1}
.scene-card h3{font-size:1rem;margin:14px 0 9px}
.scene-card p{font-size:14px;color:var(--text-2);line-height:1.68}

/* ---------- News stream + hot rank ---------- */
.news-layout{display:grid;grid-template-columns:1.6fr .9fr;gap:34px;align-items:start}
.stream-item{
  display:grid;grid-template-columns:190px 1fr;gap:18px;
  padding:18px 0;border-bottom:1px solid var(--line);
}
.stream-item:first-child{padding-top:0}
.stream-thumb{
  border-radius:var(--r-md);overflow:hidden;border:1px solid var(--line);
  aspect-ratio:16/10;background:#0a1220;
}
.stream-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.stream-thumb:hover img{transform:scale(1.06)}
.stream-body h3{font-size:1.02rem;margin:10px 0 8px;line-height:1.5}
.stream-body h3 a:hover{color:var(--cyan)}
.stream-body p{font-size:14px;color:var(--text-2);line-height:1.68}
.stream-meta{margin-top:9px;font-size:12.5px;color:var(--muted);display:flex;gap:12px;flex-wrap:wrap}

.hot-rank{border:1px solid var(--line);border-radius:var(--r-lg);background:#070d1b;padding:22px}
.hot-rank h3{font-size:1rem;margin-bottom:16px}
.rank-list{display:grid;gap:12px}
.rank-item{display:grid;grid-template-columns:26px 1fr;gap:12px;align-items:start}
.rank-no{
  font-size:13px;font-weight:800;color:var(--cyan);
  border:1px solid var(--line-strong);border-radius:8px;
  width:26px;height:26px;display:grid;place-items:center;background:rgba(34,211,238,.08);
}
.rank-item a{font-size:14px;font-weight:600;line-height:1.5;color:var(--text)}
.rank-item a:hover{color:var(--cyan)}
.rank-item span{display:block;font-size:12px;color:var(--muted);margin-top:4px}

.channel-box{margin-top:24px;padding-top:20px;border-top:1px solid var(--line)}
.channel-box h3{font-size:14px;letter-spacing:.06em;text-transform:uppercase;color:var(--cyan);margin-bottom:13px}
.channel-list{display:grid;gap:9px}
.channel-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:14px;font-weight:600;padding:11px 14px;border-radius:var(--r-md);
  border:1px solid var(--line);background:rgba(34,211,238,.045);
  transition:border-color .2s,background .2s,transform .2s var(--ease);
}
.channel-list a:hover{border-color:var(--line-strong);background:rgba(34,211,238,.12);transform:translateX(3px)}
.channel-list a i{font-style:normal;color:var(--cyan);font-weight:800}

/* ---------- Topic strip ---------- */
.topic-strip-wrap{position:relative;border:1px solid var(--line);border-radius:var(--r-xl);overflow:hidden;background:#050a14}
.topic-strip-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.16}
.topic-strip{position:relative;z-index:2;display:flex;gap:14px;overflow-x:auto;padding:26px 24px;scrollbar-width:thin}
.topic-strip::-webkit-scrollbar{height:6px}
.topic-strip::-webkit-scrollbar-thumb{background:rgba(34,211,238,.35);border-radius:99px}
.topic-card{
  flex:0 0 250px;border:1px solid var(--line);border-radius:var(--r-lg);
  background:rgba(9,17,32,.88);padding:18px;
}
.topic-card h3{font-size:.98rem;margin-bottom:9px}
.topic-card p{font-size:13.5px;color:var(--text-2);line-height:1.65}
.topic-card .badge{margin-bottom:12px}

/* ---------- Latest grid ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.post-card{
  display:flex;flex-direction:column;border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;background:#070d1b;
  transition:transform .25s var(--ease),border-color .25s,box-shadow .25s;
}
.post-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--sh-soft)}
.post-card figure{margin:0;aspect-ratio:16/9;overflow:hidden;background:#0a1220}
.post-card figure img{width:100%;height:100%;object-fit:cover;transition:transform .45s var(--ease)}
.post-card:hover figure img{transform:scale(1.06)}
.post-card .post-body{padding:18px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-card h3{font-size:.99rem;line-height:1.5}
.post-card h3 a:hover{color:var(--cyan)}
.post-card p{font-size:13.5px;color:var(--text-2);line-height:1.66}
.post-card .post-meta{margin-top:auto;font-size:12px;color:var(--muted)}

/* ---------- Ranking table ---------- */
.rank-table{border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden}
.rank-row{
  display:grid;grid-template-columns:56px 1fr 110px 100px;
  gap:14px;align-items:center;padding:16px 20px;background:#070d1b;
  border-bottom:1px solid var(--line);
}
.rank-row:last-child{border-bottom:0}
.rank-row:nth-child(even){background:#091120}
.rank-row .rk{font-size:13px;font-weight:800;color:var(--cyan)}
.rank-row .rk-title{font-size:14.5px;font-weight:600}
.rank-row .rk-title a:hover{color:var(--cyan)}
.rank-row .rk-num{font-size:13.5px;color:var(--text-2);text-align:right}
.rank-row .rk-trend{font-size:12.5px;font-weight:700;color:var(--lime);text-align:right}

/* ---------- Payments / partners ---------- */
.pay-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.pay-item{
  border:1px solid var(--line);border-radius:var(--r-lg);padding:20px;
  background:linear-gradient(160deg,rgba(16,26,45,.75),rgba(6,11,22,.8));
  text-align:left;
}
.pay-item strong{display:block;font-size:15px;color:#fff;margin-bottom:6px}
.pay-item span{font-size:13px;color:var(--muted)}

/* ---------- Social proof ---------- */
.proof-bar{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);
  border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
}
.proof-item{background:#070d1b;padding:24px 20px}
.proof-item strong{display:block;font-size:1.65rem;font-weight:800;color:#fff;letter-spacing:-.02em}
.proof-item span{display:block;font-size:13px;color:var(--muted);margin-top:5px}

/* ---------- Testimonials ---------- */
.bubble-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.bubble{
  border:1px solid var(--line);border-radius:var(--r-lg);padding:20px;
  background:rgba(9,17,32,.82);
}
.bubble p{font-size:14.2px;color:var(--text-2);line-height:1.72}
.bubble footer{display:flex;align-items:center;gap:11px;margin-top:16px}
.avatar{
  width:36px;height:36px;border-radius:50%;display:grid;place-items:center;
  font-size:13px;font-weight:800;color:#04121a;
  background:linear-gradient(140deg,#22d3ee,#a3e635);
}
.bubble footer b{display:block;font-size:13.5px;color:#fff}
.bubble footer em{font-style:normal;font-size:12px;color:var(--muted)}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:920px}
.faq-item{border:1px solid var(--line);border-radius:var(--r-lg);background:#070d1b;overflow:hidden}
.faq-item summary{
  cursor:pointer;list-style:none;padding:18px 22px;font-size:15px;font-weight:700;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:20px;color:var(--cyan);font-weight:700;line-height:1}
.faq-item[open] summary::after{content:"–"}
.faq-item summary:hover{color:var(--cyan)}
.faq-item p{padding:0 22px 20px;font-size:14.4px;color:var(--text-2);line-height:1.72}

/* ---------- Final CTA + subscribe ---------- */
.section-cta{padding:80px 0 88px}
.cta-wrap{
  display:grid;grid-template-columns:1.35fr .95fr;gap:34px;align-items:center;
  border:1px solid var(--line-strong);border-radius:var(--r-xl);
  background:
    radial-gradient(80% 120% at 8% 10%,rgba(8,145,178,.28),transparent 60%),
    linear-gradient(160deg,#091120,#050a14);
  padding:38px;
}
.cta-main h2{font-size:clamp(1.4rem,2.6vw,1.95rem);margin:16px 0 13px}
.cta-main p{color:var(--text-2);font-size:15px;line-height:1.72}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.subscribe-card{border:1px solid var(--line);border-radius:var(--r-lg);background:rgba(6,11,22,.86);padding:24px}
.subscribe-card h3{font-size:1.02rem;margin-bottom:10px}
.subscribe-card p{font-size:13.5px;color:var(--text-2);line-height:1.65}
.field{margin:16px 0 12px}
.field input{
  width:100%;padding:13px 15px;border-radius:var(--r-md);
  background:#050a14;border:1px solid var(--line-strong);color:#fff;font-size:14.5px;
  transition:border-color .2s,box-shadow .2s;
}
.field input::placeholder{color:var(--muted)}
.field input:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(34,211,238,.16)}
.subscribe-card small{display:block;margin-top:12px;font-size:12px;color:var(--muted);line-height:1.6}

/* ---------- Footer ---------- */
.site-footer{border-top:1px solid var(--line);background:#03060d;padding:56px 0 30px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:30px}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.footer-col h4{font-size:13px;letter-spacing:.1em;text-transform:uppercase;color:var(--cyan);margin-bottom:16px}
.footer-col p{font-size:13.6px;color:var(--text-2);line-height:1.72}
.footer-list{display:grid;gap:10px}
.footer-list a{font-size:13.8px;color:var(--text-2)}
.footer-list a:hover{color:var(--cyan)}
.footer-bottom{
  margin-top:40px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12.6px;color:var(--muted);
}
.age-badge{
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line-strong);border-radius:8px;padding:3px 9px;
  font-size:12px;font-weight:800;color:var(--cyan);
}

/* ---------- FAB ---------- */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:70;
  width:58px;height:58px;border-radius:50%;
  display:grid;place-items:center;font-size:24px;
  background:rgba(7,7,13,.82);
  backdrop-filter:blur(10px);
  border:2px solid transparent;
  background-image:linear-gradient(rgba(7,13,27,.9),rgba(7,13,27,.9)),
    linear-gradient(135deg,#22d3ee,#a3e635);
  background-origin:border-box;background-clip:padding-box,border-box;
  box-shadow:0 0 20px rgba(34,211,238,.45);
  transition:transform .2s var(--ease),box-shadow .25s;
  animation:fabPulse 3.4s ease-in-out infinite;
}
.fab:hover{transform:scale(1.1) rotate(6deg);box-shadow:0 0 30px rgba(34,211,238,.75)}
.fab:active{transform:scale(.95)}
.fab-dot{
  position:absolute;top:2px;right:2px;width:12px;height:12px;border-radius:50%;
  background:var(--lime);box-shadow:0 0 0 3px rgba(4,7,15,.9);
  animation:dotBlink 1.6s ease-in-out infinite;
}
@keyframes fabPulse{0%,100%{box-shadow:0 0 18px rgba(34,211,238,.4)}50%{box-shadow:0 0 30px rgba(34,211,238,.7)}}
@keyframes dotBlink{0%,100%{opacity:1}50%{opacity:.35}}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:30px}
  .metric-bar{grid-template-columns:repeat(2,1fr)}
  .spec-grid{grid-template-columns:repeat(2,1fr)}
  .scene-grid{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .pay-grid{grid-template-columns:repeat(2,1fr)}
  .news-layout{grid-template-columns:1fr;gap:28px}
  .proof-bar{grid-template-columns:repeat(2,1fr)}
  .cta-wrap{grid-template-columns:1fr;gap:28px;padding:30px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
  .bubble-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:900px){
  .nav-toggle{display:inline-flex}
  .main-nav{
    position:absolute;left:0;right:0;top:100%;
    display:none;flex-direction:column;align-items:stretch;gap:2px;
    margin:0;padding:12px 20px 18px;
    background:rgba(5,9,18,.99);
    border-bottom:1px solid var(--line);
    box-shadow:0 18px 40px rgba(0,0,0,.6);
  }
  .main-nav.is-open{display:flex}
  .nav-link{padding:13px 14px;font-size:15px;border-radius:10px}
  .header-inner{min-height:66px;gap:12px}
}
@media (max-width:768px){
  .section{padding:56px 0}
  .hero{padding:50px 0 40px}
  .feature-row{grid-template-columns:1fr;gap:12px;padding:24px 20px}
  .stream-item{grid-template-columns:1fr}
  .stream-thumb{aspect-ratio:16/9}
  .rank-row{grid-template-columns:44px 1fr;row-gap:8px}
  .rank-row .rk-num,.rank-row .rk-trend{text-align:left;grid-column:2}
  .cta-wrap{padding:24px}
}
@media (max-width:560px){
  .container{padding:0 16px}
  .brand-text{font-size:13.5px}
  .brand-text em{display:none}
  .btn{padding:10px 16px;font-size:13.8px}
  .btn-lg{padding:12px 20px;font-size:14.5px}
  .header-actions .btn-ghost{padding:9px 12px;font-size:13px}
  .spec-grid,.scene-grid,.grid-3,.pay-grid,.bubble-grid{grid-template-columns:1fr}
  .metric-bar,.proof-bar{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .cta-actions{flex-direction:column;align-items:stretch}
  .cta-actions .btn{width:100%}
  .fab{width:52px;height:52px;left:14px;bottom:84px;font-size:22px}
  .topic-card{flex:0 0 220px}
}

/* roulang page: article */
:root{
  --bg:#04070f;
  --bg-soft:#070d1b;
  --surface:#0b1322;
  --surface-2:#101a2d;
  --line:rgba(56,189,248,.14);
  --line-strong:rgba(56,189,248,.32);
  --text:#f1f5f9;
  --text-2:#b7c3d6;
  --muted:#7d8ba3;
  --cyan:#22d3ee;
  --cyan-deep:#0891b2;
  --lime:#a3e635;
  --gold:#fbbf24;
  --rose:#f43f5e;
  --r-xl:22px;
  --r-lg:16px;
  --r-md:12px;
  --r-sm:9px;
  --sh-soft:0 10px 30px rgba(0,0,0,.45);
  --sh-glow:0 0 0 1px rgba(34,211,238,.22), 0 14px 44px rgba(8,145,178,.22);
  --container:1200px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Segoe UI",system-ui,-apple-system,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;border:0}
a{color:inherit;text-decoration:none}
button,input,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.28;font-weight:800;letter-spacing:-.01em}
p{margin:0}
::selection{background:rgba(34,211,238,.32)}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(4,7,15,.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:18px;min-height:72px}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.brand-mark{
  width:40px;height:40px;flex:0 0 auto;display:grid;place-items:center;
  border-radius:13px;font-size:20px;
  background:linear-gradient(145deg,#0e7490,#22d3ee);
  box-shadow:0 0 20px rgba(34,211,238,.4);
}
.brand-text{display:flex;flex-direction:column;font-size:15px;font-weight:800;line-height:1.15}
.brand-text em{font-style:normal;font-size:10.5px;font-weight:600;letter-spacing:.09em;text-transform:uppercase;color:var(--muted);margin-top:2px}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  padding:9px 14px;border-radius:10px;font-size:14.5px;font-weight:600;
  color:var(--text-2);white-space:nowrap;border:1px solid transparent;
  transition:color .2s,background .2s,border-color .2s;
}
.nav-link:hover{color:#fff;background:rgba(34,211,238,.09)}
.nav-link.is-active{color:#fff;background:rgba(34,211,238,.13);border-color:var(--line-strong)}
.header-actions{display:flex;align-items:center;gap:9px;flex:0 0 auto}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;cursor:pointer;
  border:1px solid var(--line-strong);background:rgba(34,211,238,.07);
  align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--cyan);border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--cyan);border-radius:2px;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 20px;border-radius:12px;font-size:14.5px;font-weight:700;
  cursor:pointer;border:1px solid transparent;white-space:nowrap;
  transition:transform .16s var(--ease),box-shadow .22s var(--ease),background .22s,color .22s,border-color .22s;
}
.btn:active{transform:translateY(1px) scale(.99)}
.btn-solid{background:linear-gradient(135deg,#0891b2,#22d3ee);color:#04121a;box-shadow:0 0 18px rgba(34,211,238,.34)}
.btn-solid:hover{box-shadow:0 0 30px rgba(34,211,238,.55);transform:translateY(-1px)}
.btn-ghost{color:var(--cyan);border-color:var(--line-strong);background:rgba(34,211,238,.05)}
.btn-ghost:hover{background:rgba(34,211,238,.14);color:#fff}
.btn-primary{
  background:linear-gradient(135deg,#22d3ee,#a3e635);
  color:#04121a;box-shadow:0 10px 32px rgba(34,211,238,.32);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 40px rgba(163,230,53,.35)}
.btn-outline{color:var(--text);border-color:var(--line-strong);background:rgba(255,255,255,.02)}
.btn-outline:hover{border-color:var(--cyan);color:#fff;background:rgba(34,211,238,.1)}
.btn-lg{padding:14px 28px;font-size:15.5px;border-radius:14px}
.btn-block{width:100%}
/* ---------- Shared bits ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:7px;
  font-size:11.5px;font-weight:700;letter-spacing:.11em;text-transform:uppercase;
  color:var(--cyan);background:rgba(34,211,238,.09);
  border:1px solid var(--line-strong);border-radius:999px;padding:5px 13px;
}
.section{padding:74px 0;position:relative}
.section-alt{background:linear-gradient(180deg,#04070f,#070d1b 45%,#04070f)}
.section-line{border-top:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:34px}
.section-head h2{font-size:clamp(1.45rem,2.7vw,2.05rem);margin:16px 0 12px}
.section-head p{color:var(--text-2);font-size:15.5px;line-height:1.72}
.section-head--wide{max-width:none}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:11.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;
  padding:4px 10px;border-radius:999px;
  background:rgba(163,230,53,.12);border:1px solid rgba(163,230,53,.34);color:var(--lime);
}
.badge--cyan{background:rgba(34,211,238,.12);border-color:var(--line-strong);color:var(--cyan)}
.badge--gold{background:rgba(251,191,36,.12);border-color:rgba(251,191,36,.34);color:var(--gold)}
.badge--rose{background:rgba(244,63,94,.13);border-color:rgba(244,63,94,.34);color:#fb7185}
/* ---------- Article hero ---------- */
.article-hero{position:relative;overflow:hidden;padding:34px 0 46px;border-bottom:1px solid var(--line)}
.hero-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:.28;filter:saturate(1.15) contrast(1.05);
}
.hero-veil{
  position:absolute;inset:0;
  background:
    radial-gradient(110% 85% at 12% 6%,rgba(8,145,178,.34),transparent 58%),
    radial-gradient(80% 70% at 92% 82%,rgba(163,230,53,.12),transparent 62%),
    linear-gradient(180deg,rgba(4,7,15,.7),#04070f 95%);
}
.article-hero-inner{position:relative;z-index:2;max-width:900px}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:18px}
.crumbs a{color:var(--text-2);border-bottom:1px solid transparent;transition:color .2s,border-color .2s}
.crumbs a:hover{color:var(--cyan);border-color:var(--line-strong)}
.crumbs span.sep{color:rgba(125,139,163,.6)}
.article-hero h1{font-size:clamp(1.6rem,3.4vw,2.6rem);margin:16px 0 16px;letter-spacing:-.022em}
.article-hero .lead{color:var(--text-2);font-size:16.5px;line-height:1.75;max-width:780px}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;
  margin-top:22px;font-size:13.5px;color:var(--muted);
}
.article-meta span{display:inline-flex;align-items:center;gap:7px}
.article-meta b{color:var(--text);font-weight:700}
.hero-figure{
  position:relative;z-index:2;margin-top:34px;
  border:1px solid var(--line);border-radius:var(--r-xl);overflow:hidden;
  box-shadow:var(--sh-glow);
}
.hero-figure img{width:100%;aspect-ratio:16/7;object-fit:cover}
.hero-figure figcaption{
  padding:12px 18px;font-size:13px;color:var(--muted);
  background:rgba(11,19,34,.85);border-top:1px solid var(--line);
}
/* ---------- Article body ---------- */
.article-section{padding-top:56px}
.article-shell{max-width:900px}
.pull-quote{
  margin:0 0 34px;padding:24px 26px;
  border-left:3px solid var(--cyan);
  background:linear-gradient(120deg,rgba(34,211,238,.1),rgba(163,230,53,.05));
  border-radius:0 var(--r-lg) var(--r-lg) 0;
  font-size:17px;line-height:1.68;color:#e2ecf8;font-weight:600;
}
.pull-quote cite{display:block;margin-top:12px;font-style:normal;font-size:13px;font-weight:600;color:var(--muted)}
.article-body{font-size:16.5px;line-height:1.75;color:var(--text-2)}
.article-body > * + *{margin-top:18px}
.article-body h2{
  font-size:clamp(1.28rem,2.4vw,1.68rem);color:var(--text);
  margin:40px 0 14px;padding-left:14px;border-left:3px solid var(--cyan);
}
.article-body h3{font-size:1.14rem;color:var(--text);margin:28px 0 10px}
.article-body h4{font-size:1rem;color:var(--text);margin:22px 0 8px}
.article-body p{margin:0}
.article-body strong,.article-body b{color:#fff}
.article-body a{color:var(--cyan);border-bottom:1px dashed rgba(34,211,238,.5)}
.article-body a:hover{color:var(--lime);border-color:rgba(163,230,53,.6)}
.article-body ul,.article-body ol{margin:0;padding-left:22px}
.article-body li + li{margin-top:9px}
.article-body li::marker{color:var(--cyan)}
.article-body img{border-radius:var(--r-lg);border:1px solid var(--line);margin:24px 0;box-shadow:var(--sh-soft)}
.article-body blockquote{
  margin:26px 0;padding:20px 24px;border-radius:var(--r-lg);
  background:var(--surface);border:1px solid var(--line);border-left:3px solid var(--lime);
  color:#dbe6f4;font-size:16px;
}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:14.5px;display:block;overflow-x:auto}
.article-body th,.article-body td{padding:11px 14px;border:1px solid var(--line);text-align:left;white-space:nowrap}
.article-body th{background:rgba(34,211,238,.09);color:#fff;font-weight:700}
.article-body tr:nth-child(even) td{background:rgba(255,255,255,.015)}
.article-body code{background:rgba(34,211,238,.1);border:1px solid var(--line);border-radius:6px;padding:1px 7px;font-size:14px;color:var(--cyan)}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0}
.article-empty{
  margin-top:26px;padding:34px;border-radius:var(--r-lg);
  background:var(--surface);border:1px dashed var(--line-strong);text-align:left;
}
.article-empty h2{font-size:1.2rem;margin-bottom:10px}
.article-empty p{color:var(--text-2);margin-bottom:18px}
/* ---------- Feature list ---------- */
.feature-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px 22px}
.feature-item{
  padding:22px 22px 20px;border-radius:var(--r-lg);
  background:linear-gradient(160deg,rgba(16,26,45,.9),rgba(11,19,34,.7));
  border:1px solid var(--line);
  transition:transform .22s var(--ease),border-color .22s,box-shadow .22s;
}
.feature-item:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:var(--sh-glow)}
.feature-item .idx{
  display:inline-grid;place-items:center;width:34px;height:34px;border-radius:10px;
  font-size:13px;font-weight:800;color:#04121a;background:linear-gradient(135deg,#22d3ee,#a3e635);
  margin-bottom:13px;
}
.feature-item h3{font-size:1.05rem;margin-bottom:8px}
.feature-item p{color:var(--text-2);font-size:14.8px;line-height:1.7}
/* ---------- Stats ---------- */
.stat-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-bottom:30px}
.stat{
  padding:20px 18px;border-radius:var(--r-lg);background:var(--surface);
  border:1px solid var(--line);
}
.stat b{display:block;font-size:1.6rem;font-weight:800;color:var(--cyan);letter-spacing:-.02em}
.stat span{display:block;margin-top:5px;font-size:12.5px;color:var(--muted);text-transform:uppercase;letter-spacing:.07em;font-weight:700}
.spec-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 30px;list-style:none;padding:0;margin:0}
.spec-list li{
  display:flex;justify-content:space-between;gap:16px;
  padding:13px 0;border-bottom:1px dashed var(--line);font-size:14.8px;color:var(--text-2);
}
.spec-list li b{color:#fff;font-weight:700;text-align:right}
/* ---------- Payment ---------- */
.pay-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-bottom:26px}
.pay-card{
  padding:18px 16px;border-radius:var(--r-md);text-align:left;
  background:rgba(34,211,238,.06);border:1px solid var(--line);
  transition:background .2s,border-color .2s,transform .2s var(--ease);
}
.pay-card:hover{background:rgba(34,211,238,.13);border-color:var(--line-strong);transform:translateY(-2px)}
.pay-card strong{display:block;font-size:14.5px;color:#fff}
.pay-card small{display:block;margin-top:5px;font-size:12.5px;color:var(--muted)}
.note-strip{
  display:flex;flex-wrap:wrap;gap:10px;font-size:13.5px;color:var(--text-2);
  padding:16px 18px;border-radius:var(--r-md);
  background:linear-gradient(120deg,rgba(163,230,53,.1),rgba(34,211,238,.06));
  border:1px solid rgba(163,230,53,.25);
}
/* ---------- Timeline ---------- */
.timeline{display:grid;gap:0;border-left:2px solid var(--line-strong);margin-left:10px}
.timeline-item{position:relative;padding:0 0 26px 26px}
.timeline-item:last-child{padding-bottom:0}
.timeline-item::before{
  content:"";position:absolute;left:-9px;top:6px;width:16px;height:16px;border-radius:50%;
  background:var(--bg);border:2px solid var(--cyan);box-shadow:0 0 12px rgba(34,211,238,.5);
}
.timeline-item h3{font-size:1.02rem;margin-bottom:7px}
.timeline-item p{color:var(--text-2);font-size:14.8px;line-height:1.7}
.timeline-item time{display:inline-block;margin-bottom:8px;font-size:12px;font-weight:700;letter-spacing:.07em;text-transform:uppercase;color:var(--lime)}
/* ---------- Category entries ---------- */
.channel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.channel-card{
  display:flex;flex-direction:column;gap:10px;
  padding:24px 22px;border-radius:var(--r-lg);
  background:linear-gradient(165deg,rgba(16,26,45,.95),rgba(8,13,25,.85));
  border:1px solid var(--line);
  transition:transform .22s var(--ease),border-color .22s,box-shadow .22s;
}
.channel-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--sh-glow)}
.channel-card h3{font-size:1.08rem}
.channel-card p{color:var(--text-2);font-size:14.6px;line-height:1.7;flex:1}
.channel-card .go{font-size:13.5px;font-weight:700;color:var(--cyan);display:inline-flex;align-items:center;gap:7px}
.channel-card:hover .go{color:var(--lime)}
/* ---------- FAQ ---------- */
.faq-list{max-width:900px}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;transition:border-color .2s,background .2s;
}
.faq-item + .faq-item{margin-top:12px}
.faq-item[open]{border-color:var(--line-strong);background:var(--surface-2)}
.faq-item summary{
  cursor:pointer;list-style:none;padding:18px 22px;
  font-size:15.5px;font-weight:700;color:var(--text-2);
  display:flex;align-items:flex-start;gap:12px;transition:color .2s;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{
  content:"+";flex:0 0 auto;width:22px;height:22px;border-radius:7px;
  display:grid;place-items:center;font-size:15px;line-height:1;
  color:var(--cyan);background:rgba(34,211,238,.12);border:1px solid var(--line-strong);
}
.faq-item[open] summary{color:#fff}
.faq-item[open] summary::before{content:"–";color:#04121a;background:linear-gradient(135deg,#22d3ee,#a3e635);border-color:transparent}
.faq-item .answer{padding:0 22px 20px 56px;color:var(--text-2);font-size:15px;line-height:1.72}
/* ---------- CTA band ---------- */
.cta-band{
  position:relative;overflow:hidden;
  padding:52px 0;
  background:
    radial-gradient(90% 130% at 8% 0%,rgba(8,145,178,.36),transparent 60%),
    linear-gradient(135deg,#0b1322,#101a2d 60%,#071320);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.cta-inner{display:grid;grid-template-columns:1.4fr .9fr;gap:32px;align-items:center}
.cta-inner h2{font-size:clamp(1.4rem,2.6vw,1.95rem);margin:14px 0 14px}
.cta-inner p{color:var(--text-2);font-size:15.5px;line-height:1.72;max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.cta-panel{
  padding:24px;border-radius:var(--r-xl);
  background:rgba(4,7,15,.55);border:1px solid var(--line-strong);
  box-shadow:var(--sh-glow);
}
.cta-panel ul{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.cta-panel li{display:flex;gap:10px;align-items:flex-start;font-size:14.6px;color:var(--text-2)}
.cta-panel li b{color:#fff;font-weight:700}
.cta-panel li::before{content:"🐟";flex:0 0 auto;font-size:14px}
/* ---------- Related list ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.post-card{
  display:flex;flex-direction:column;overflow:hidden;
  border-radius:var(--r-lg);background:var(--surface);border:1px solid var(--line);
  transition:transform .22s var(--ease),border-color .22s,box-shadow .22s;
}
.post-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--sh-glow)}
.post-card .thumb{aspect-ratio:16/9;overflow:hidden;background:var(--surface-2)}
.post-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.post-card:hover .thumb img{transform:scale(1.06)}
.post-card .body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:9px;flex:1}
.post-card h3{font-size:1.02rem;line-height:1.45}
.post-card p{font-size:14.2px;color:var(--text-2);line-height:1.68;flex:1}
.post-card .more{font-size:13px;font-weight:700;color:var(--cyan)}
.single-more{display:flex;justify-content:flex-start;margin-top:26px}
/* ---------- Footer ---------- */
.site-footer{background:#03060c;border-top:1px solid var(--line);padding:56px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:30px}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:14px}
.footer-col h4{font-size:13px;text-transform:uppercase;letter-spacing:.09em;color:#fff;margin-bottom:14px}
.footer-col p{color:var(--muted);font-size:14px;line-height:1.72}
.footer-list{display:flex;flex-direction:column;gap:9px}
.footer-list a{color:var(--text-2);font-size:14.2px;transition:color .2s,transform .2s}
.footer-list a:hover{color:var(--cyan);transform:translateX(3px)}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
  margin-top:38px;padding-top:20px;border-top:1px solid var(--line);
  font-size:13px;color:var(--muted);
}
.age-badge{
  display:inline-grid;place-items:center;padding:2px 9px;border-radius:999px;
  font-size:11.5px;font-weight:800;color:var(--gold);
  border:1px solid rgba(251,191,36,.4);background:rgba(251,191,36,.1);
}
/* ---------- FAB ---------- */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  display:inline-flex;align-items:center;gap:10px;
  padding:12px 18px 12px 14px;border-radius:999px;
  background:rgba(7,7,13,.82);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.86),rgba(7,7,13,.86)),
    linear-gradient(120deg,#22d3ee,#a3e635);
  background-origin:border-box;background-clip:padding-box,border-box;
  box-shadow:0 0 20px rgba(34,211,238,.42);
  font-size:13.5px;font-weight:700;color:#eaf6ff;
  opacity:.78;transition:opacity .2s,transform .2s var(--ease),box-shadow .25s;
  animation:fabPulse 2.8s ease-in-out infinite;
}
.fab:hover{opacity:1;transform:translateY(-3px) scale(1.04);box-shadow:0 0 30px rgba(163,230,53,.5)}
.fab:active{transform:scale(.95)}
.fab-ico{font-size:17px;animation:fabFlicker 3.2s linear infinite}
.fab-dot{position:absolute;top:-3px;right:-3px;width:11px;height:11px;border-radius:50%;background:var(--rose);box-shadow:0 0 10px rgba(244,63,94,.85);animation:dotPulse 1.6s ease-in-out infinite}
@keyframes fabPulse{0%,100%{box-shadow:0 0 18px rgba(34,211,238,.35)}50%{box-shadow:0 0 28px rgba(34,211,238,.6)}}
@keyframes fabFlicker{0%,92%,100%{opacity:1}94%{opacity:.35}97%{opacity:.7}}
@keyframes dotPulse{0%,100%{transform:scale(1);opacity:1}50%{transform:scale(1.35);opacity:.55}}
/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr}
  .feature-grid{grid-template-columns:1fr}
  .stat-row,.pay-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .channel-grid,.post-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-inner{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .nav-toggle{display:inline-flex}
  .main-nav{
    position:absolute;top:72px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:6px;
    padding:14px 20px 20px;margin:0;
    background:rgba(4,7,15,.98);
    border-bottom:1px solid var(--line);
    transform:translateY(-8px);opacity:0;visibility:hidden;pointer-events:none;
    transition:opacity .2s var(--ease),transform .2s var(--ease),visibility .2s;
  }
  .main-nav.is-open{transform:translateY(0);opacity:1;visibility:visible;pointer-events:auto}
  .nav-link{padding:12px 14px;font-size:15px}
}
@media (max-width:768px){
  .section{padding:54px 0}
  .article-hero{padding:24px 0 34px}
  .spec-list{grid-template-columns:1fr}
  .hero-figure img{aspect-ratio:16/10}
  .cta-band{padding:40px 0}
  .fab{bottom:88px;padding:11px 16px 11px 13px;font-size:12.5px}
}
@media (max-width:520px){
  .header-actions .btn-ghost{display:none}
  .brand-text{font-size:13.6px}
  .brand-text em{font-size:9.5px}
  .stat-row,.pay-grid,.channel-grid,.post-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .article-body{font-size:16px}
  .article-body table{font-size:13.6px}
  .pull-quote{padding:18px 18px;font-size:15.6px}
  .feature-item{padding:18px}
  .btn-lg{padding:13px 22px;font-size:14.6px}
}

/* roulang page: category1 */
:root{
      --bg:#04070f;
      --bg-soft:#070d1b;
      --surface:#0b1322;
      --surface-2:#101a2d;
      --line:rgba(56,189,248,.14);
      --line-strong:rgba(56,189,248,.32);
      --text:#f1f5f9;
      --text-2:#b7c3d6;
      --muted:#7d8ba3;
      --cyan:#22d3ee;
      --cyan-deep:#0891b2;
      --lime:#a3e635;
      --gold:#fbbf24;
      --rose:#f43f5e;
      --r-xl:22px;
      --r-lg:16px;
      --r-md:12px;
      --r-sm:9px;
      --sh-soft:0 10px 30px rgba(0,0,0,.45);
      --sh-glow:0 0 0 1px rgba(34,211,238,.22),0 14px 44px rgba(8,145,178,.22);
      --container:1200px;
      --ease:cubic-bezier(.22,.61,.36,1);
    }

    *,
    *::before,
    *::after{box-sizing:border-box}
    html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
    body{
      margin:0;
      font-family:"Segoe UI",system-ui,-apple-system,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
      background:
        radial-gradient(circle at 80% 0%,rgba(8,145,178,.12),transparent 34rem),
        var(--bg);
      color:var(--text);
      font-size:16px;
      line-height:1.65;
      -webkit-font-smoothing:antialiased;
      overflow-x:hidden;
    }
    img{max-width:100%;display:block;height:auto;border:0}
    a{color:inherit;text-decoration:none}
    button,input{font:inherit;color:inherit}
    button{cursor:pointer}
    p,h1,h2,h3,h4{margin-top:0}
    p:last-child{margin-bottom:0}
    ul{margin:0;padding:0;list-style:none}
    ::selection{background:rgba(34,211,238,.32);color:#fff}
    :focus-visible{outline:3px solid rgba(163,230,53,.72);outline-offset:3px}
    .container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
    .skip-link{
      position:fixed;top:10px;left:10px;z-index:200;transform:translateY(-160%);
      padding:10px 14px;border-radius:10px;background:var(--cyan);color:#04121a;font-weight:800;
      transition:transform .2s var(--ease);
    }
    .skip-link:focus{transform:translateY(0)}

    .site-header{
      position:sticky;top:0;z-index:90;
      background:rgba(4,7,15,.88);
      backdrop-filter:blur(14px);
      -webkit-backdrop-filter:blur(14px);
      border-bottom:1px solid var(--line);
    }
    .header-inner{display:flex;align-items:center;gap:18px;min-height:72px;position:relative}
    .brand{display:flex;align-items:center;gap:11px;flex:0 0 auto}
    .brand-mark{
      width:40px;height:40px;flex:0 0 auto;display:grid;place-items:center;
      border-radius:13px;font-size:20px;
      background:linear-gradient(145deg,#0e7490,#22d3ee);
      box-shadow:0 0 20px rgba(34,211,238,.4);
    }
    .brand-text{display:flex;flex-direction:column;font-size:15px;font-weight:800;line-height:1.15}
    .brand-text em{
      font-style:normal;font-size:10.5px;font-weight:600;letter-spacing:.09em;
      text-transform:uppercase;color:var(--muted);margin-top:2px;
    }
    .main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
    .nav-link{
      padding:9px 14px;border-radius:10px;font-size:14.5px;font-weight:600;
      color:var(--text-2);white-space:nowrap;border:1px solid transparent;
      transition:color .2s,background .2s,border-color .2s;
    }
    .nav-link:hover{color:#fff;background:rgba(34,211,238,.09)}
    .nav-link.is-active{color:#fff;background:rgba(34,211,238,.13);border-color:var(--line-strong)}
    .header-actions{display:flex;align-items:center;gap:9px;flex:0 0 auto}
    .nav-toggle{
      display:none;width:44px;height:44px;border-radius:12px;
      border:1px solid var(--line-strong);background:rgba(34,211,238,.07);
      align-items:center;justify-content:center;
    }
    .nav-toggle span{display:block;width:18px;height:2px;background:var(--cyan);border-radius:2px;position:relative}
    .nav-toggle span::before,
    .nav-toggle span::after{
      content:"";position:absolute;left:0;width:18px;height:2px;
      background:var(--cyan);border-radius:2px;transition:transform .2s,top .2s;
    }
    .nav-toggle span::before{top:-6px}
    .nav-toggle span::after{top:6px}
    .nav-toggle[aria-expanded="true"] span{background:transparent}
    .nav-toggle[aria-expanded="true"] span::before{top:0;transform:rotate(45deg)}
    .nav-toggle[aria-expanded="true"] span::after{top:0;transform:rotate(-45deg)}

    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      padding:11px 20px;border-radius:12px;font-size:14.5px;font-weight:700;
      cursor:pointer;border:1px solid transparent;white-space:nowrap;
      transition:transform .16s var(--ease),box-shadow .22s var(--ease),background .22s,color .22s,border-color .22s;
    }
    .btn:active{transform:translateY(1px) scale(.99)}
    .btn-solid{background:linear-gradient(135deg,#0891b2,#22d3ee);color:#04121a;box-shadow:0 0 18px rgba(34,211,238,.34)}
    .btn-solid:hover{box-shadow:0 0 30px rgba(34,211,238,.55);transform:translateY(-1px)}
    .btn-ghost{color:var(--cyan);border-color:var(--line-strong);background:rgba(34,211,238,.05)}
    .btn-ghost:hover{background:rgba(34,211,238,.14);color:#fff}
    .btn-primary{background:linear-gradient(135deg,#22d3ee,#a3e635);color:#04121a;box-shadow:0 10px 32px rgba(34,211,238,.32)}
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 40px rgba(163,230,53,.35)}
    .btn-outline{color:var(--text);border-color:var(--line-strong);background:rgba(255,255,255,.02)}
    .btn-outline:hover{border-color:var(--cyan);color:#fff;background:rgba(34,211,238,.1)}
    .btn-lg{padding:14px 28px;font-size:15.5px;border-radius:14px}

    .eyebrow{
      display:inline-flex;align-items:center;gap:7px;
      font-size:11.5px;font-weight:700;letter-spacing:.11em;text-transform:uppercase;
      color:var(--cyan);background:rgba(34,211,238,.09);
      border:1px solid var(--line-strong);border-radius:999px;padding:5px 13px;
    }
    .badge{
      display:inline-flex;align-items:center;gap:6px;font-size:11.5px;font-weight:700;
      letter-spacing:.06em;text-transform:uppercase;padding:4px 10px;border-radius:999px;
      background:rgba(163,230,53,.12);border:1px solid rgba(163,230,53,.34);color:var(--lime);
    }
    .badge--cyan{background:rgba(34,211,238,.12);border-color:var(--line-strong);color:var(--cyan)}
    .badge--gold{background:rgba(251,191,36,.12);border-color:rgba(251,191,36,.34);color:var(--gold)}
    .badge--rose{background:rgba(244,63,94,.13);border-color:rgba(244,63,94,.34);color:#fb7185}

    .hero{position:relative;overflow:hidden;padding:72px 0 58px;background:#04070f}
    .hero-bg{
      position:absolute;inset:0;background-image:url("/assets/images/6eb70d4f9c83c049.jpg");
      background-size:cover;background-position:center;opacity:.31;
      filter:saturate(1.18) contrast(1.06);transform:scale(1.02);
    }
    .hero-veil{
      position:absolute;inset:0;
      background:
        radial-gradient(110% 85% at 10% 6%,rgba(8,145,178,.4),transparent 58%),
        radial-gradient(80% 70% at 92% 82%,rgba(163,230,53,.13),transparent 62%),
        linear-gradient(180deg,rgba(4,7,15,.72),#04070f 95%);
    }
    .hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:minmax(0,1.3fr) minmax(330px,.78fr);gap:44px;align-items:start}
    .hero h1{font-size:clamp(1.85rem,3.75vw,3rem);line-height:1.15;margin:18px 0 20px;letter-spacing:-.025em;max-width:850px}
    .hero-lead{color:var(--text-2);font-size:16px;line-height:1.75;max-width:700px}
    .hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin:28px 0 22px}
    .hero-tags{display:flex;flex-wrap:wrap;gap:9px}
    .hero-tag{
      padding:7px 12px;border-radius:999px;border:1px solid var(--line);
      background:rgba(11,19,34,.72);color:var(--text-2);font-size:12.5px;font-weight:600;
    }
    .live-board{
      position:relative;overflow:hidden;
      border:1px solid var(--line-strong);border-radius:var(--r-xl);
      background:linear-gradient(160deg,rgba(16,26,45,.96),rgba(7,13,27,.96));
      box-shadow:var(--sh-glow);
    }
    .live-board::before{
      content:"";position:absolute;inset:0;pointer-events:none;
      background:linear-gradient(120deg,rgba(34,211,238,.1),transparent 38%,rgba(163,230,53,.07));
    }
    .live-board-head{
      position:relative;display:flex;align-items:center;justify-content:space-between;gap:12px;
      padding:20px 20px 16px;border-bottom:1px solid var(--line);
    }
    .live-board-head strong{font-size:15px}
    .live-status{display:inline-flex;align-items:center;gap:7px;color:var(--lime);font-size:11.5px;font-weight:800;text-transform:uppercase}
    .live-status::before{
      content:"";width:8px;height:8px;border-radius:50%;background:var(--lime);
      box-shadow:0 0 0 5px rgba(163,230,53,.12);
      animation:pulseDot 1.8s ease-in-out infinite;
    }
    .live-grid{position:relative;display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}
    .live-metric{padding:22px 20px;border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
    .live-metric:nth-child(2n){border-right:0}
    .live-metric:nth-child(n+3){border-bottom:0}
    .live-metric span{display:block;color:var(--muted);font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:.05em}
    .live-metric strong{display:block;margin-top:7px;font-size:clamp(1.35rem,2.8vw,2rem);line-height:1.1;color:#fff}
    .live-metric em{display:block;margin-top:7px;color:var(--text-2);font-style:normal;font-size:12.5px}
    .live-board-foot{
      position:relative;padding:17px 20px;border-top:1px solid var(--line);
      display:flex;align-items:center;justify-content:space-between;gap:12px;
      color:var(--text-2);font-size:12.5px;
    }
    .live-board-foot strong{color:var(--cyan)}

    .section{padding:78px 0;position:relative}
    .section-alt{background:linear-gradient(180deg,#04070f,#070d1b 48%,#04070f)}
    .section-line{border-top:1px solid var(--line)}
    .section-head{max-width:790px;margin-bottom:36px}
    .section-head h2{font-size:clamp(1.5rem,2.8vw,2.15rem);line-height:1.25;margin:16px 0 12px;letter-spacing:-.015em}
    .section-head p{color:var(--text-2);font-size:15.5px;line-height:1.72}
    .section-head--wide{max-width:none}

    .performance-layout{display:grid;grid-template-columns:minmax(0,.82fr) minmax(0,1.18fr);gap:42px;align-items:center}
    .performance-copy p{color:var(--text-2)}
    .performance-copy ul{margin-top:24px;display:grid;gap:13px}
    .performance-copy li{display:grid;grid-template-columns:22px 1fr;gap:10px;color:var(--text-2);font-size:14.5px}
    .performance-copy li::before{
      content:"✓";display:grid;place-items:center;width:22px;height:22px;border-radius:7px;
      background:rgba(163,230,53,.13);color:var(--lime);font-weight:900;font-size:12px;margin-top:1px;
    }
    .feature-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
    .feature-card{
      padding:22px;border:1px solid var(--line);border-radius:var(--r-lg);
      background:linear-gradient(145deg,rgba(16,26,45,.92),rgba(11,19,34,.82));
      transition:transform .24s var(--ease),border-color .24s,box-shadow .24s;
    }
    .feature-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--sh-soft)}
    .feature-icon{
      width:42px;height:42px;display:grid;place-items:center;border-radius:13px;
      margin-bottom:17px;background:rgba(34,211,238,.1);border:1px solid var(--line-strong);
      color:var(--cyan);font-size:18px;font-weight:900;
    }
    .feature-card h3{font-size:17px;margin-bottom:8px}
    .feature-card p{color:var(--text-2);font-size:14px;line-height:1.65}
    .feature-card .badge{margin-top:16px}

    .device-showcase{display:grid;grid-template-columns:minmax(0,1.06fr) minmax(0,.94fr);gap:42px;align-items:center}
    .device-frame{
      position:relative;overflow:hidden;border-radius:var(--r-xl);
      border:1px solid var(--line-strong);background:var(--surface);
      box-shadow:var(--sh-soft);
    }
    .device-frame::after{
      content:"";position:absolute;inset:0;
      background:linear-gradient(180deg,transparent 45%,rgba(4,7,15,.8));
      pointer-events:none;
    }
    .device-frame img{width:100%;aspect-ratio:16/10;object-fit:cover}
    .device-note{
      position:absolute;left:22px;right:22px;bottom:20px;z-index:2;
      display:flex;align-items:center;justify-content:space-between;gap:16px;
    }
    .device-note strong{display:block;font-size:15px}
    .device-note span{display:block;color:var(--text-2);font-size:12.5px;margin-top:3px}
    .device-score{
      width:62px;height:62px;flex:0 0 auto;border-radius:50%;display:grid;place-items:center;
      background:rgba(4,7,15,.82);border:1px solid rgba(163,230,53,.5);
      color:var(--lime);font-size:12px;font-weight:900;text-align:center;line-height:1.05;
    }
    .device-list{display:grid;gap:0}
    .device-row{
      display:grid;grid-template-columns:150px 1fr auto;gap:18px;align-items:center;
      padding:17px 0;border-bottom:1px solid var(--line);
    }
    .device-row:first-child{border-top:1px solid var(--line)}
    .device-row strong{font-size:14.5px}
    .device-row p{font-size:13.5px;color:var(--text-2)}
    .device-row span{font-size:12px;color:var(--lime);font-weight:800;white-space:nowrap}

    .room-lanes{display:grid;gap:12px}
    .room-row{
      display:grid;grid-template-columns:minmax(190px,.65fr) minmax(220px,1.2fr) auto;
      gap:22px;align-items:center;padding:20px 22px;
      border:1px solid var(--line);border-radius:var(--r-lg);
      background:rgba(11,19,34,.68);
      transition:border-color .22s,transform .22s,background .22s;
    }
    .room-row:hover{transform:translateX(4px);border-color:var(--line-strong);background:rgba(16,26,45,.82)}
    .room-name{display:flex;align-items:center;gap:12px}
    .room-index{
      width:38px;height:38px;flex:0 0 auto;display:grid;place-items:center;border-radius:12px;
      background:rgba(34,211,238,.1);border:1px solid var(--line-strong);color:var(--cyan);
      font-size:13px;font-weight:900;
    }
    .room-name strong{display:block;font-size:15px}
    .room-name span{display:block;color:var(--muted);font-size:12px;margin-top:2px}
    .room-meter{height:8px;border-radius:999px;background:rgba(125,139,163,.16);overflow:hidden}
    .room-meter i{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--cyan),var(--lime))}
    .room-level{min-width:118px;text-align:right}
    .room-level strong{display:block;color:var(--gold);font-size:14px}
    .room-level span{display:block;color:var(--muted);font-size:11.5px;margin-top:3px}

    .boss-layout{display:grid;grid-template-columns:minmax(0,.88fr) minmax(0,1.12fr);gap:42px;align-items:center}
    .boss-map{
      position:relative;overflow:hidden;min-height:410px;border-radius:var(--r-xl);
      border:1px solid var(--line-strong);background:var(--surface);
      box-shadow:var(--sh-glow);
    }
    .boss-map img{width:100%;height:100%;min-height:410px;object-fit:cover;opacity:.72}
    .boss-map::after{
      content:"";position:absolute;inset:0;
      background:
        radial-gradient(circle at 70% 26%,rgba(244,63,94,.24),transparent 24%),
        linear-gradient(180deg,rgba(4,7,15,.06),rgba(4,7,15,.86));
    }
    .boss-target{
      position:absolute;z-index:2;top:24px;right:24px;
      padding:9px 12px;border-radius:999px;background:rgba(244,63,94,.16);
      border:1px solid rgba(244,63,94,.52);color:#fecdd3;font-size:11.5px;font-weight:800;
      letter-spacing:.05em;text-transform:uppercase;
    }
    .boss-map-card{
      position:absolute;z-index:2;left:24px;right:24px;bottom:24px;
      padding:18px 20px;border-radius:var(--r-lg);
      background:rgba(4,7,15,.78);border:1px solid var(--line-strong);
      backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
    }
    .boss-map-card strong{display:block;font-size:16px;margin-bottom:5px}
    .boss-map-card span{display:block;color:var(--text-2);font-size:13px}
    .boss-list{display:grid;gap:15px;margin-top:26px}
    .boss-item{
      display:grid;grid-template-columns:44px 1fr;gap:14px;padding-bottom:15px;
      border-bottom:1px solid var(--line);
    }
    .boss-item:last-child{padding-bottom:0;border-bottom:0}
    .boss-item b{
      width:44px;height:44px;display:grid;place-items:center;border-radius:14px;
      background:rgba(251,191,36,.1);border:1px solid rgba(251,191,36,.32);color:var(--gold);
    }
    .boss-item strong{display:block;font-size:15px;margin-bottom:4px}
    .boss-item p{color:var(--text-2);font-size:13.5px}

    .process-rail{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
    .process-step{position:relative;padding:30px 24px;border-right:1px solid var(--line)}
    .process-step:last-child{border-right:0}
    .process-step::before{
      content:attr(data-step);display:grid;place-items:center;width:42px;height:42px;
      border-radius:14px;margin-bottom:20px;background:rgba(34,211,238,.1);
      border:1px solid var(--line-strong);color:var(--cyan);font-weight:900;
    }
    .process-step h3{font-size:16px;margin-bottom:8px}
    .process-step p{color:var(--text-2);font-size:13.5px}

    .payment-hub{
      display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:40px;
      align-items:center;padding:32px;border-radius:var(--r-xl);
      border:1px solid var(--line-strong);
      background:
        radial-gradient(circle at 90% 10%,rgba(163,230,53,.1),transparent 36%),
        linear-gradient(145deg,rgba(16,26,45,.94),rgba(7,13,27,.94));
      box-shadow:var(--sh-soft);
    }
    .payment-hub h2{font-size:clamp(1.45rem,2.6vw,2rem);line-height:1.25;margin:16px 0 12px}
    .payment-hub p{color:var(--text-2)}
    .payment-methods{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
    .payment-chip{
      padding:17px 18px;border-radius:var(--r-md);border:1px solid var(--line);
      background:rgba(4,7,15,.5);
    }
    .payment-chip strong{display:block;font-size:14.5px;color:#fff}
    .payment-chip span{display:block;color:var(--muted);font-size:12px;margin-top:4px}
    .payment-chip--accent{border-color:rgba(163,230,53,.35);background:rgba(163,230,53,.06)}

    .spec-grid{display:grid;grid-template-columns:minmax(240px,.58fr) minmax(0,1.42fr);gap:38px;align-items:start}
    .spec-aside{position:sticky;top:96px}
    .spec-aside h2{font-size:clamp(1.5rem,2.7vw,2.05rem);line-height:1.25;margin:16px 0 12px}
    .spec-aside p{color:var(--text-2)}
    .spec-aside .badge{margin-top:20px}
    .spec-table{border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;background:rgba(11,19,34,.6)}
    .spec-row{display:grid;grid-template-columns:minmax(175px,.7fr) minmax(0,1.3fr);border-bottom:1px solid var(--line)}
    .spec-row:last-child{border-bottom:0}
    .spec-row dt,.spec-row dd{padding:18px 20px;margin:0}
    .spec-row dt{font-weight:800;color:#fff;background:rgba(34,211,238,.04)}
    .spec-row dd{color:var(--text-2);font-size:14px}

    .faq-layout{display:grid;grid-template-columns:minmax(240px,.62fr) minmax(0,1.38fr);gap:42px;align-items:start}
    .faq-intro{position:sticky;top:96px}
    .faq-intro h2{font-size:clamp(1.5rem,2.7vw,2.05rem);line-height:1.25;margin:16px 0 12px}
    .faq-intro p{color:var(--text-2)}
    .faq-list{display:grid;gap:11px}
    details{
      border:1px solid var(--line);border-radius:var(--r-md);
      background:rgba(11,19,34,.68);overflow:hidden;
      transition:border-color .2s,background .2s;
    }
    details:hover{border-color:var(--line-strong)}
    details[open]{border-color:var(--line-strong);background:rgba(16,26,45,.82)}
    summary{
      list-style:none;display:flex;align-items:center;justify-content:space-between;gap:18px;
      padding:18px 20px;font-size:15px;font-weight:800;cursor:pointer;
    }
    summary::-webkit-details-marker{display:none}
    summary::after{
      content:"+";display:grid;place-items:center;width:28px;height:28px;flex:0 0 auto;
      border-radius:9px;background:rgba(34,211,238,.1);color:var(--cyan);font-size:18px;
      border:1px solid var(--line-strong);transition:transform .2s,background .2s;
    }
    details[open] summary::after{content:"−";transform:rotate(180deg);background:rgba(163,230,53,.1);color:var(--lime)}
    .faq-answer{padding:0 20px 20px;color:var(--text-2);font-size:14px;line-height:1.7}

    .final-cta{padding:64px 0 80px}
    .cta-panel{
      position:relative;overflow:hidden;padding:42px;
      border:1px solid var(--line-strong);border-radius:var(--r-xl);
      background:
        radial-gradient(circle at 8% 20%,rgba(34,211,238,.18),transparent 36%),
        radial-gradient(circle at 94% 90%,rgba(163,230,53,.14),transparent 38%),
        linear-gradient(145deg,rgba(16,26,45,.98),rgba(7,13,27,.98));
      box-shadow:var(--sh-glow);
    }
    .cta-panel::after{
      content:"";position:absolute;right:-80px;top:-80px;width:260px;height:260px;
      border-radius:50%;border:1px solid rgba(34,211,238,.18);
      box-shadow:0 0 0 38px rgba(34,211,238,.03),0 0 0 78px rgba(34,211,238,.025);
    }
    .cta-content{position:relative;z-index:2;max-width:780px}
    .cta-content h2{font-size:clamp(1.6rem,3vw,2.35rem);line-height:1.22;margin:16px 0 13px}
    .cta-content p{color:var(--text-2);font-size:15.5px}
    .cta-panel .hero-cta{margin-bottom:0}

    .site-footer{border-top:1px solid var(--line);background:#03050b;padding:52px 0 24px}
    .footer-grid{display:grid;grid-template-columns:1.35fr .8fr .8fr 1fr;gap:34px}
    .footer-col h4{font-size:14px;margin-bottom:15px;color:#fff}
    .footer-col p{color:var(--text-2);font-size:13px;line-height:1.7}
    .footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
    .footer-list{display:grid;gap:9px}
    .footer-list a{color:var(--text-2);font-size:13px;transition:color .2s,transform .2s}
    .footer-list a:hover{color:var(--cyan);transform:translateX(2px)}
    .footer-bottom{
      margin-top:36px;padding-top:20px;border-top:1px solid var(--line);
      display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
      color:var(--muted);font-size:12px;
    }
    .age-badge{
      display:inline-grid;place-items:center;min-width:40px;height:28px;padding:0 9px;
      border-radius:999px;border:1px solid rgba(251,191,36,.4);
      color:var(--gold);font-weight:900;background:rgba(251,191,36,.08);
    }

    .support-fab{
      position:fixed;left:16px;bottom:96px;z-index:80;
      width:56px;height:56px;min-width:56px;min-height:56px;
      display:grid;place-items:center;border-radius:50%;
      color:#e8fbff;background:rgba(7,13,27,.82);
      border:1px solid transparent;
      background-image:
        linear-gradient(rgba(7,13,27,.88),rgba(7,13,27,.88)),
        linear-gradient(135deg,var(--cyan),var(--lime));
      background-origin:border-box;background-clip:padding-box,border-box;
      box-shadow:0 0 22px rgba(34,211,238,.42);
      opacity:.82;transition:transform .2s,opacity .2s,box-shadow .2s;
      animation:fabFloat 3.2s ease-in-out infinite;
    }
    .support-fab:hover{opacity:1;transform:scale(1.1) rotate(5deg);box-shadow:0 0 34px rgba(34,211,238,.72)}
    .support-fab:active{transform:scale(.95) translateY(3px)}
    .support-fab svg{width:25px;height:25px}
    .fab-dot{
      position:absolute;top:4px;right:4px;width:12px;height:12px;border-radius:50%;
      background:var(--rose);border:2px solid #fff;box-shadow:0 0 10px rgba(244,63,94,.8);
      animation:pulseDot 1.4s ease-in-out infinite;
    }

    @keyframes pulseDot{
      0%,100%{transform:scale(.88);opacity:.72}
      50%{transform:scale(1.12);opacity:1}
    }
    @keyframes fabFloat{
      0%,100%{translate:0 0}
      50%{translate:0 -6px}
    }

    @media (max-width:1080px){
      .header-inner{min-height:68px}
      .brand-text em{display:none}
      .main-nav{
        display:none;position:absolute;top:calc(100% + 10px);right:0;width:min(350px,calc(100vw - 40px));
        padding:12px;flex-direction:column;align-items:stretch;gap:5px;margin-left:0;
        border:1px solid var(--line-strong);border-radius:var(--r-lg);
        background:rgba(7,13,27,.98);box-shadow:var(--sh-soft);
      }
      .main-nav.is-open{display:flex}
      .nav-link{width:100%;padding:12px 13px}
      .nav-toggle{display:flex}
      .hero-inner{grid-template-columns:1fr;gap:34px}
      .live-board{max-width:760px}
      .performance-layout,.device-showcase,.boss-layout,.payment-hub,.spec-grid,.faq-layout{grid-template-columns:1fr}
      .spec-aside,.faq-intro{position:static}
      .process-rail{grid-template-columns:repeat(2,minmax(0,1fr))}
      .process-step:nth-child(2){border-right:0}
      .process-step:nth-child(-n+2){border-bottom:1px solid var(--line)}
    }

    @media (max-width:768px){
      .container{padding:0 16px}
      .hero{padding:54px 0 46px}
      .hero h1{font-size:clamp(1.7rem,7vw,2.35rem)}
      .hero-cta .btn{flex:1 1 210px}
      .section{padding:62px 0}
      .live-grid{grid-template-columns:1fr 1fr}
      .live-metric{padding:18px 16px}
      .feature-grid{grid-template-columns:1fr}
      .device-row{grid-template-columns:1fr auto;gap:8px 16px}
      .device-row p{grid-column:1 / -1}
      .room-row{grid-template-columns:1fr;gap:14px;padding:18px}
      .room-level{text-align:left;display:flex;align-items:center;gap:10px;min-width:0}
      .room-level span{margin-top:0}
      .boss-map,.boss-map img{min-height:350px}
      .payment-hub{padding:24px}
      .payment-methods{grid-template-columns:1fr}
      .spec-row{grid-template-columns:1fr}
      .spec-row dt{padding-bottom:8px}
      .spec-row dd{padding-top:8px}
      .cta-panel{padding:30px 24px}
      .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
    }

    @media (max-width:560px){
      .header-inner{gap:8px;min-height:62px}
      .brand{gap:8px}
      .brand-mark{width:36px;height:36px;border-radius:11px;font-size:18px}
      .brand-text{font-size:12.5px;max-width:104px}
      .header-actions{gap:5px;margin-left:auto}
      .header-actions .btn{padding:8px 10px;font-size:11.5px;border-radius:9px}
      .nav-toggle{width:38px;height:38px;border-radius:10px}
      .main-nav{width:calc(100vw - 32px);right:0}
      .hero{padding-top:44px}
      .hero h1{letter-spacing:-.01em}
      .hero-lead{font-size:14.5px}
      .hero-cta{display:grid;grid-template-columns:1fr}
      .hero-cta .btn{width:100%}
      .hero-tag{font-size:11.5px;padding:6px 10px}
      .live-grid{grid-template-columns:1fr}
      .live-metric{border-right:0}
      .live-metric:nth-child(2){border-bottom:1px solid var(--line)}
      .live-metric:nth-child(3){border-bottom:1px solid var(--line)}
      .live-board-foot{align-items:flex-start;flex-direction:column}
      .section-head h2,.spec-aside h2,.faq-intro h2,.payment-hub h2,.cta-content h2{font-size:1.45rem}
      .process-rail{grid-template-columns:1fr}
      .process-step{border-right:0;border-bottom:1px solid var(--line)}
      .process-step:last-child{border-bottom:0}
      .boss-map,.boss-map img{min-height:320px}
      .boss-map-card{left:16px;right:16px;bottom:16px;padding:15px}
      .boss-target{top:16px;right:16px}
      .payment-hub{padding:22px 18px}
      .spec-row dt,.spec-row dd{padding:15px 16px}
      summary{padding:16px;font-size:14px}
      .faq-answer{padding:0 16px 17px}
      .cta-panel{padding:26px 18px}
      .footer-grid{grid-template-columns:1fr}
      .footer-bottom{align-items:flex-start;flex-direction:column}
      .support-fab{left:14px;bottom:80px}
    }

    @media (prefers-reduced-motion:reduce){
      *,*::before,*::after{
        scroll-behavior:auto !important;
        animation-duration:.01ms !important;
        animation-iteration-count:1 !important;
        transition-duration:.01ms !important;
      }
    }

/* roulang page: category3 */
:root{
  --bg:#04070f;
  --bg-soft:#070d1b;
  --surface:#0b1322;
  --surface-2:#101a2d;
  --line:rgba(56,189,248,.14);
  --line-strong:rgba(56,189,248,.32);
  --text:#f1f5f9;
  --text-2:#b7c3d6;
  --muted:#7d8ba3;
  --cyan:#22d3ee;
  --cyan-deep:#0891b2;
  --lime:#a3e635;
  --gold:#fbbf24;
  --rose:#f43f5e;
  --r-xl:22px;
  --r-lg:16px;
  --r-md:12px;
  --r-sm:9px;
  --sh-soft:0 10px 30px rgba(0,0,0,.45);
  --sh-glow:0 0 0 1px rgba(34,211,238,.22), 0 14px 44px rgba(8,145,178,.22);
  --container:1200px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Segoe UI",system-ui,-apple-system,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;border:0}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:800;letter-spacing:-.01em}
p{margin:0}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:8px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(4,7,15,.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:18px;min-height:72px}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.brand-mark{
  width:40px;height:40px;flex:0 0 auto;display:grid;place-items:center;
  border-radius:13px;font-size:20px;
  background:linear-gradient(145deg,#0e7490,#22d3ee);
  box-shadow:0 0 20px rgba(34,211,238,.4);
}
.brand-text{display:flex;flex-direction:column;font-size:15px;font-weight:800;line-height:1.15}
.brand-text em{font-style:normal;font-size:10.5px;font-weight:600;letter-spacing:.09em;text-transform:uppercase;color:var(--muted);margin-top:2px}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  padding:9px 14px;border-radius:10px;font-size:14.5px;font-weight:600;
  color:var(--text-2);white-space:nowrap;border:1px solid transparent;
  transition:color .2s,background .2s,border-color .2s;
}
.nav-link:hover{color:#fff;background:rgba(34,211,238,.09)}
.nav-link.is-active{color:#fff;background:rgba(34,211,238,.13);border-color:var(--line-strong)}
.header-actions{display:flex;align-items:center;gap:9px;flex:0 0 auto}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;cursor:pointer;
  border:1px solid var(--line-strong);background:rgba(34,211,238,.07);
  align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--cyan);border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--cyan);border-radius:2px;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 20px;border-radius:12px;font-size:14.5px;font-weight:700;
  cursor:pointer;border:1px solid transparent;white-space:nowrap;
  transition:transform .16s var(--ease),box-shadow .22s var(--ease),background .22s,color .22s,border-color .22s;
}
.btn:active{transform:translateY(1px) scale(.99)}
.btn-solid{background:linear-gradient(135deg,#0891b2,#22d3ee);color:#04121a;box-shadow:0 0 18px rgba(34,211,238,.34)}
.btn-solid:hover{box-shadow:0 0 30px rgba(34,211,238,.55);transform:translateY(-1px)}
.btn-ghost{color:var(--cyan);border-color:var(--line-strong);background:rgba(34,211,238,.05)}
.btn-ghost:hover{background:rgba(34,211,238,.14);color:#fff}
.btn-primary{
  background:linear-gradient(135deg,#22d3ee,#a3e635);
  color:#04121a;box-shadow:0 10px 32px rgba(34,211,238,.32);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 40px rgba(163,230,53,.35)}
.btn-outline{color:var(--text);border-color:var(--line-strong);background:rgba(255,255,255,.02)}
.btn-outline:hover{border-color:var(--cyan);color:#fff;background:rgba(34,211,238,.1)}
.btn-lg{padding:14px 28px;font-size:15.5px;border-radius:14px}
.btn-block{width:100%}

/* ---------- Shared bits ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:7px;
  font-size:11.5px;font-weight:700;letter-spacing:.11em;text-transform:uppercase;
  color:var(--cyan);background:rgba(34,211,238,.09);
  border:1px solid var(--line-strong);border-radius:999px;padding:5px 13px;
}
.section{padding:74px 0;position:relative}
.section-alt{background:linear-gradient(180deg,#04070f,#070d1b 45%,#04070f)}
.section-line{border-top:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:34px}
.section-head h2{font-size:clamp(1.45rem,2.7vw,2.05rem);margin:16px 0 12px}
.section-head p{color:var(--text-2);font-size:15.5px;line-height:1.72}
.section-head--wide{max-width:none}
.section-head--split{display:grid;grid-template-columns:1.1fr .9fr;gap:32px;align-items:end;max-width:none}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:11.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;
  padding:4px 10px;border-radius:999px;
  background:rgba(163,230,53,.12);border:1px solid rgba(163,230,53,.34);color:var(--lime);
}
.badge--cyan{background:rgba(34,211,238,.12);border-color:var(--line-strong);color:var(--cyan)}
.badge--gold{background:rgba(251,191,36,.12);border-color:rgba(251,191,36,.34);color:var(--gold)}
.badge--rose{background:rgba(244,63,94,.13);border-color:rgba(244,63,94,.34);color:#fb7185}
.divider{height:1px;background:var(--line);border:0;margin:0}

/* ---------- Hero + Link wall ---------- */
.hero{position:relative;overflow:hidden;padding:66px 0 54px;background:#04070f}
.hero-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:.3;filter:saturate(1.15) contrast(1.05);
}
.hero-veil{
  position:absolute;inset:0;
  background:
    radial-gradient(110% 85% at 12% 6%,rgba(8,145,178,.34),transparent 58%),
    radial-gradient(80% 70% at 92% 82%,rgba(163,230,53,.12),transparent 62%),
    linear-gradient(180deg,rgba(4,7,15,.72),#04070f 94%);
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:38px;align-items:start}
.hero h1{font-size:clamp(1.7rem,3.5vw,2.7rem);margin:18px 0 18px;letter-spacing:-.02em}
.hero-lead{color:var(--text-2);font-size:16px;line-height:1.75;max-width:660px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin:26px 0 20px}
.hero-tags{display:flex;flex-wrap:wrap;gap:9px}
.hero-tag{
  font-size:12.5px;font-weight:600;color:var(--text-2);
  border:1px solid var(--line);border-radius:999px;padding:6px 12px;
  background:rgba(11,19,34,.7);
}
.hero-tag strong{color:var(--lime);font-weight:800}

.link-wall{display:grid;gap:14px}
.coupon-main{
  position:relative;overflow:hidden;
  border-radius:var(--r-xl);padding:26px 24px 24px;
  background:linear-gradient(152deg,rgba(8,145,178,.32),rgba(8,12,24,.94) 62%);
  border:1px solid var(--line-strong);
  box-shadow:var(--sh-glow);
}
.coupon-main::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(90% 70% at 88% 6%,rgba(163,230,53,.16),transparent 62%);
}
.coupon-main > *{position:relative;z-index:2}
.coupon-label{
  display:inline-flex;align-items:center;gap:6px;
  font-size:11px;font-weight:800;letter-spacing:.12em;text-transform:uppercase;
  color:#04121a;background:linear-gradient(120deg,#a3e635,#22d3ee);
  border-radius:999px;padding:4px 12px;
}
.coupon-main h2{font-size:clamp(1.25rem,2.3vw,1.65rem);margin:14px 0 10px}
.coupon-main p{color:var(--text-2);font-size:14.6px;line-height:1.7;max-width:520px}
.coupon-code{
  margin:18px 0 18px;padding:13px 16px;border-radius:var(--r-md);
  border:1px dashed rgba(34,211,238,.42);
  background:rgba(4,7,15,.62);
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:14px;letter-spacing:.08em;color:#a5f3fc;
  display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;
}
.coupon-code small{font-family:inherit;font-size:11px;letter-spacing:.06em;color:var(--muted)}
.coupon-actions{display:flex;flex-wrap:wrap;gap:10px}
.coupon-metrics{display:flex;flex-wrap:wrap;gap:18px;margin-top:20px;padding-top:18px;border-top:1px solid var(--line)}
.coupon-metrics div{display:flex;flex-direction:column;gap:2px}
.coupon-metrics b{font-size:1.1rem;color:#fff}
.coupon-metrics span{font-size:11.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}

.coupon-list{display:grid;gap:11px}
.coupon-mini{
  display:flex;align-items:center;gap:13px;
  padding:14px 16px;border-radius:var(--r-lg);
  background:var(--surface);border:1px solid var(--line);
  transition:border-color .22s var(--ease),transform .22s var(--ease),background .22s;
}
.coupon-mini:hover{border-color:var(--line-strong);background:var(--surface-2);transform:translateX(4px)}
.coupon-mini .mini-ico{
  width:38px;height:38px;flex:0 0 auto;border-radius:11px;display:grid;place-items:center;
  font-size:17px;background:rgba(34,211,238,.1);border:1px solid var(--line);
}
.coupon-mini .mini-body{display:flex;flex-direction:column;min-width:0}
.coupon-mini .mini-body b{font-size:14.5px;font-weight:700}
.coupon-mini .mini-body span{font-size:12.5px;color:var(--muted)}
.coupon-mini .mini-state{margin-left:auto;font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--lime)}

/* ---------- Stats strip ---------- */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--line);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
}
.stat-item{background:var(--bg-soft);padding:22px 20px;display:flex;flex-direction:column;gap:6px}
.stat-item b{font-size:clamp(1.35rem,2.4vw,1.75rem);color:#fff;letter-spacing:-.02em}
.stat-item span{font-size:12.5px;color:var(--muted);line-height:1.55}
.stat-item em{font-style:normal;font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--cyan)}

/* ---------- Value prop list ---------- */
.prop-list{display:grid;gap:0;border-top:1px solid var(--line)}
.prop-item{
  display:grid;grid-template-columns:64px 1fr;gap:20px;
  padding:24px 4px;border-bottom:1px solid var(--line);
  transition:background .22s var(--ease);
}
.prop-item:hover{background:rgba(34,211,238,.035)}
.prop-num{
  font-size:1.15rem;font-weight:800;color:var(--cyan);
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.04em;
}
.prop-body h3{font-size:1.05rem;margin-bottom:8px}
.prop-body p{color:var(--text-2);font-size:14.8px;line-height:1.72;max-width:820px}

/* ---------- Platform grid ---------- */
.platform-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px}
.platform-card{
  border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);
  background:var(--surface);display:flex;flex-direction:column;
  transition:border-color .22s var(--ease),transform .22s var(--ease),box-shadow .22s var(--ease);
}
.platform-card:hover{border-color:var(--line-strong);transform:translateY(-4px);box-shadow:0 0 0 1px rgba(34,211,238,.22),0 18px 40px rgba(8,145,178,.2)}
.platform-card img{aspect-ratio:16/9;object-fit:cover;width:100%}
.platform-body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:9px}
.platform-body h3{font-size:1rem}
.platform-body p{color:var(--text-2);font-size:13.8px;line-height:1.65}
.platform-meta{font-size:12px;color:var(--muted);display:flex;gap:10px;flex-wrap:wrap;margin-top:2px}
.platform-meta span{padding:3px 9px;border-radius:999px;border:1px solid var(--line);background:rgba(4,7,15,.5)}

/* ---------- Step flow ---------- */
.step-flow{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.step{
  padding:20px 18px;border-radius:var(--r-lg);
  background:linear-gradient(180deg,rgba(16,26,45,.9),rgba(8,12,24,.9));
  border:1px solid var(--line);position:relative;
  transition:border-color .22s var(--ease),transform .22s var(--ease);
}
.step:hover{border-color:var(--line-strong);transform:translateY(-3px)}
.step-idx{
  width:30px;height:30px;border-radius:9px;display:grid;place-items:center;
  font-size:13px;font-weight:800;color:#04121a;
  background:linear-gradient(135deg,#22d3ee,#a3e635);margin-bottom:13px;
}
.step h3{font-size:.97rem;margin-bottom:7px}
.step p{font-size:13.5px;color:var(--text-2);line-height:1.65}

/* ---------- Payment ---------- */
.pay-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:14px}
.pay-card{
  padding:20px 18px;border-radius:var(--r-lg);
  background:var(--surface);border:1px solid var(--line);
  display:flex;flex-direction:column;gap:8px;
  transition:border-color .22s var(--ease),background .22s var(--ease);
}
.pay-card:hover{border-color:var(--line-strong);background:var(--surface-2)}
.pay-logo{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  font-size:12px;font-weight:800;letter-spacing:.02em;
  background:rgba(34,211,238,.1);border:1px solid var(--line-strong);color:var(--cyan);
}
.pay-card h3{font-size:.98rem}
.pay-card p{font-size:13.5px;color:var(--text-2);line-height:1.62}
.pay-card .pay-time{font-size:12px;color:var(--lime);font-weight:700;margin-top:auto}

/* ---------- Checklist ---------- */
.check-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px 26px}
.check-item{
  display:flex;gap:12px;align-items:flex-start;
  padding:14px 0;border-bottom:1px dashed rgba(56,189,248,.16);
}
.check-ico{
  width:24px;height:24px;flex:0 0 auto;border-radius:8px;display:grid;place-items:center;
  font-size:13px;background:rgba(163,230,53,.14);border:1px solid rgba(163,230,53,.3);color:var(--lime);
}
.check-item p{font-size:14.4px;color:var(--text-2);line-height:1.68}
.check-item p b{color:#fff}

/* ---------- Compare ---------- */
.compare{border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;background:var(--bg-soft)}
.compare-row{
  display:grid;grid-template-columns:.85fr 1fr 1fr;gap:1px;
  background:var(--line);
}
.compare-row > span{background:var(--bg-soft);padding:16px 18px;font-size:14px;color:var(--text-2);line-height:1.6}
.compare-row > span:first-child{color:#fff;font-weight:700}
.compare-head > span{
  background:var(--surface-2);font-size:11.5px;font-weight:800;
  letter-spacing:.09em;text-transform:uppercase;color:var(--muted);
}
.compare-row .good{color:var(--lime);font-weight:600}

/* ---------- Channel matrix ---------- */
.channel-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:16px}
.channel-card{
  display:block;padding:22px 20px;border-radius:var(--r-lg);
  border:1px solid var(--line);background:linear-gradient(160deg,rgba(16,26,45,.95),rgba(7,13,27,.85));
  transition:border-color .24s var(--ease),transform .24s var(--ease),box-shadow .24s var(--ease);
}
.channel-card:hover{border-color:var(--line-strong);transform:translateY(-4px);box-shadow:0 0 0 1px rgba(34,211,238,.2),0 16px 38px rgba(8,145,178,.18)}
.channel-card h3{font-size:1.05rem;margin:12px 0 8px}
.channel-card p{font-size:13.8px;color:var(--text-2);line-height:1.65}
.channel-more{display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-size:13px;font-weight:700;color:var(--cyan)}

/* ---------- Posts ---------- */
.post-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(255px,1fr));gap:16px}
.post-card{
  border-radius:var(--r-lg);border:1px solid var(--line);
  background:var(--surface);overflow:hidden;
  transition:border-color .22s var(--ease),transform .22s var(--ease);
}
.post-card:hover{border-color:var(--line-strong);transform:translateY(-4px)}
.post-card-link{display:flex;flex-direction:column;gap:10px;padding:20px 18px;height:100%}
.post-card h3{font-size:1rem;line-height:1.42}
.post-card p{font-size:13.6px;color:var(--text-2);line-height:1.62}
.post-tag{
  align-self:flex-start;font-size:11px;font-weight:700;letter-spacing:.07em;text-transform:uppercase;
  color:var(--cyan);border:1px solid var(--line-strong);border-radius:999px;padding:3px 10px;
  background:rgba(34,211,238,.08);
}
.post-date{font-size:12px;color:var(--muted);margin-top:auto}
.empty-note{color:var(--text-2);font-size:14.5px;padding:18px;border:1px dashed var(--line-strong);border-radius:var(--r-lg)}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:920px}
.faq-item{
  border:1px solid var(--line);border-radius:var(--r-md);
  background:var(--surface);overflow:hidden;
  transition:border-color .22s var(--ease);
}
.faq-item[open]{border-color:var(--line-strong);background:var(--surface-2)}
.faq-item summary{
  cursor:pointer;list-style:none;padding:17px 20px;
  font-size:15px;font-weight:700;color:#fff;
  display:flex;justify-content:space-between;gap:16px;align-items:center;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";font-size:19px;font-weight:700;color:var(--cyan);line-height:1;flex:0 0 auto;
}
.faq-item[open] summary::after{content:"–"}
.faq-item p{padding:0 20px 18px;font-size:14.5px;color:var(--text-2);line-height:1.72}

/* ---------- CTA band ---------- */
.cta-band{position:relative;overflow:hidden;border-top:1px solid var(--line);background:#04070f}
.cta-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.22}
.cta-veil{
  position:absolute;inset:0;
  background:
    radial-gradient(90% 80% at 15% 20%,rgba(8,145,178,.4),transparent 60%),
    linear-gradient(180deg,rgba(4,7,15,.85),#04070f 96%);
}
.cta-inner{position:relative;z-index:2;padding:62px 0;display:grid;grid-template-columns:1.15fr .85fr;gap:34px;align-items:center}
.cta-inner h2{font-size:clamp(1.4rem,2.6vw,1.95rem);margin-bottom:14px}
.cta-inner p{color:var(--text-2);font-size:15.5px;line-height:1.72;max-width:640px}
.cta-panel{
  border-radius:var(--r-xl);border:1px solid var(--line-strong);
  background:rgba(11,19,34,.82);padding:24px 22px;box-shadow:var(--sh-glow);
}
.cta-panel ul{display:grid;gap:11px;margin-bottom:20px}
.cta-panel li{display:flex;gap:10px;font-size:14px;color:var(--text-2);align-items:flex-start}
.cta-panel li b{color:#fff}
.tick{color:var(--lime);font-weight:800;flex:0 0 auto}

/* ---------- Footer ---------- */
.site-footer{background:#03060d;border-top:1px solid var(--line);padding:56px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:14px}
.footer-col h4{font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:#fff;margin-bottom:14px}
.footer-col p{font-size:13.8px;color:var(--text-2);line-height:1.72}
.footer-list{display:grid;gap:9px}
.footer-list a{font-size:14px;color:var(--text-2);transition:color .2s,transform .2s}
.footer-list a:hover{color:var(--cyan);transform:translateX(3px)}
.footer-bottom{
  margin-top:38px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  font-size:12.6px;color:var(--muted);
}
.age-badge{
  font-size:11px;font-weight:800;letter-spacing:.08em;
  border:1px solid rgba(244,63,94,.42);color:#fb7185;
  border-radius:999px;padding:3px 10px;background:rgba(244,63,94,.1);
}

/* ---------- FAB ---------- */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  display:inline-flex;align-items:center;gap:10px;
  min-height:56px;padding:0 18px;border-radius:999px;
  font-size:13.5px;font-weight:700;color:#e8fffb;
  border:1px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.88),rgba(7,7,13,.88)),linear-gradient(120deg,#a3e635,#22d3ee);
  background-origin:border-box;background-clip:padding-box,border-box;
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  box-shadow:0 0 20px rgba(34,211,238,.45);
  opacity:.8;
  transition:opacity .25s var(--ease),transform .25s var(--ease),box-shadow .25s var(--ease);
}
.fab:hover{opacity:1;transform:translateY(-2px);box-shadow:0 0 34px rgba(34,211,238,.7)}
.fab:active{transform:scale(.95)}
.fab-ico{font-size:18px;line-height:1}
.fab:hover .fab-ico{animation:fabFlick .7s steps(2,end) infinite}
.fab-dot{
  position:absolute;top:8px;right:12px;width:9px;height:9px;border-radius:50%;
  background:var(--lime);box-shadow:0 0 10px var(--lime);animation:fabPulse 1.6s infinite;
}
@keyframes fabFlick{0%,100%{opacity:1}50%{opacity:.35}}
@keyframes fabPulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.45;transform:scale(1.25)}}

/* ---------- Responsive ---------- */
@media (max-width:1080px){
  .hero-inner{grid-template-columns:1fr;gap:30px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
  .step-flow{grid-template-columns:repeat(3,1fr)}
  .cta-inner{grid-template-columns:1fr;gap:26px}
  .section-head--split{grid-template-columns:1fr;gap:16px;align-items:start}
}
@media (max-width:880px){
  .nav-toggle{display:inline-flex}
  .main-nav{
    position:absolute;top:100%;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:2px;
    padding:12px 20px 18px;margin-left:0;
    background:rgba(4,7,15,.98);
    border-bottom:1px solid var(--line);
    backdrop-filter:blur(14px);
    display:none;
  }
  .main-nav.is-open{display:flex}
  .nav-link{padding:13px 14px;font-size:15px}
  .stat-strip{grid-template-columns:repeat(2,1fr)}
  .check-list{grid-template-columns:1fr}
  .step-flow{grid-template-columns:repeat(2,1fr)}
  .compare-row{grid-template-columns:1fr}
  .compare-head > span:not(:first-child){display:none}
}
@media (max-width:640px){
  .section{padding:56px 0}
  .hero{padding:48px 0 40px}
  .header-inner{gap:10px;min-height:64px}
  .btn{padding:10px 15px;font-size:13.5px}
  .header-actions .btn-ghost{display:none}
  .brand-text{font-size:13.5px}
  .brand-text em{font-size:9.5px;letter-spacing:.05em}
  .coupon-main{padding:22px 18px}
  .coupon-actions .btn{flex:1 1 auto}
  .stat-strip{grid-template-columns:1fr 1fr}
  .stat-item{padding:18px 16px}
  .prop-item{grid-template-columns:44px 1fr;gap:14px;padding:20px 0}
  .step-flow{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .post-grid{grid-template-columns:1fr}
  .fab{left:12px;bottom:84px;min-height:50px;padding:0 15px;font-size:12.5px}
}
@media (max-width:400px){
  .stat-strip{grid-template-columns:1fr}
  .channel-grid,.platform-grid,.pay-grid{grid-template-columns:1fr}
}

/* roulang page: category2 */
:root{
  --bg:#04070f;
  --bg-soft:#070d1b;
  --surface:#0b1322;
  --surface-2:#101a2d;
  --line:rgba(56,189,248,.14);
  --line-strong:rgba(56,189,248,.32);
  --text:#f1f5f9;
  --text-2:#b7c3d6;
  --muted:#7d8ba3;
  --cyan:#22d3ee;
  --cyan-deep:#0891b2;
  --lime:#a3e635;
  --gold:#fbbf24;
  --rose:#f43f5e;
  --r-xl:22px;
  --r-lg:16px;
  --r-md:12px;
  --r-sm:9px;
  --sh-soft:0 10px 30px rgba(0,0,0,.45);
  --sh-glow:0 0 0 1px rgba(34,211,238,.22), 0 14px 44px rgba(8,145,178,.22);
  --container:1200px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Segoe UI",system-ui,-apple-system,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;border:0}
a{color:inherit;text-decoration:none}
button,input,select{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.26;font-weight:800;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--cyan);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(4,7,15,.86);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:18px;min-height:72px}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.brand-mark{
  width:40px;height:40px;flex:0 0 auto;display:grid;place-items:center;
  border-radius:13px;font-size:20px;
  background:linear-gradient(145deg,#0e7490,#22d3ee);
  box-shadow:0 0 20px rgba(34,211,238,.4);
}
.brand-text{display:flex;flex-direction:column;font-size:15px;font-weight:800;line-height:1.15}
.brand-text em{font-style:normal;font-size:10.5px;font-weight:600;letter-spacing:.09em;text-transform:uppercase;color:var(--muted);margin-top:2px}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  padding:9px 14px;border-radius:10px;font-size:14.5px;font-weight:600;
  color:var(--text-2);white-space:nowrap;border:1px solid transparent;
  transition:color .2s,background .2s,border-color .2s;
}
.nav-link:hover{color:#fff;background:rgba(34,211,238,.09)}
.nav-link.is-active{color:#fff;background:rgba(34,211,238,.13);border-color:var(--line-strong)}
.header-actions{display:flex;align-items:center;gap:9px;flex:0 0 auto}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;cursor:pointer;
  border:1px solid var(--line-strong);background:rgba(34,211,238,.07);
  align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--cyan);border-radius:2px;position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--cyan);border-radius:2px;
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 20px;border-radius:12px;font-size:14.5px;font-weight:700;
  cursor:pointer;border:1px solid transparent;white-space:nowrap;
  transition:transform .16s var(--ease),box-shadow .22s var(--ease),background .22s,color .22s,border-color .22s;
}
.btn:active{transform:translateY(1px) scale(.99)}
.btn-solid{background:linear-gradient(135deg,#0891b2,#22d3ee);color:#04121a;box-shadow:0 0 18px rgba(34,211,238,.34)}
.btn-solid:hover{box-shadow:0 0 30px rgba(34,211,238,.55);transform:translateY(-1px)}
.btn-ghost{color:var(--cyan);border-color:var(--line-strong);background:rgba(34,211,238,.05)}
.btn-ghost:hover{background:rgba(34,211,238,.14);color:#fff}
.btn-primary{
  background:linear-gradient(135deg,#22d3ee,#a3e635);
  color:#04121a;box-shadow:0 10px 32px rgba(34,211,238,.32);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 40px rgba(163,230,53,.35)}
.btn-outline{color:var(--text);border-color:var(--line-strong);background:rgba(255,255,255,.02)}
.btn-outline:hover{border-color:var(--cyan);color:#fff;background:rgba(34,211,238,.1)}
.btn-lg{padding:14px 28px;font-size:15.5px;border-radius:14px}

/* ---------- Shared bits ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:7px;
  font-size:11.5px;font-weight:700;letter-spacing:.11em;text-transform:uppercase;
  color:var(--cyan);background:rgba(34,211,238,.09);
  border:1px solid var(--line-strong);border-radius:999px;padding:5px 13px;
}
.section{padding:74px 0;position:relative}
.section-alt{background:linear-gradient(180deg,#04070f,#070d1b 45%,#04070f)}
.section-head{max-width:760px;margin-bottom:34px}
.section-head h2{font-size:clamp(1.45rem,2.7vw,2.05rem);margin:16px 0 12px}
.section-head p{color:var(--text-2);font-size:15.5px;line-height:1.72}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:11.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;
  padding:4px 10px;border-radius:999px;
  background:rgba(163,230,53,.12);border:1px solid rgba(163,230,53,.34);color:var(--lime);
}
.badge--cyan{background:rgba(34,211,238,.12);border-color:var(--line-strong);color:var(--cyan)}
.badge--gold{background:rgba(251,191,36,.12);border-color:rgba(251,191,36,.34);color:var(--gold)}
.badge--rose{background:rgba(244,63,94,.13);border-color:rgba(244,63,94,.34);color:#fb7185}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:64px 0 50px;background:#04070f}
.hero-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
  opacity:.3;filter:saturate(1.15) contrast(1.05);
}
.hero-veil{
  position:absolute;inset:0;
  background:
    radial-gradient(110% 85% at 12% 6%,rgba(8,145,178,.34),transparent 58%),
    radial-gradient(80% 70% at 92% 82%,rgba(163,230,53,.12),transparent 62%),
    linear-gradient(180deg,rgba(4,7,15,.72),#04070f 94%);
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.3fr .95fr;gap:42px;align-items:start}
.hero h1{font-size:clamp(1.7rem,3.6vw,2.75rem);margin:18px 0 18px}
.hero-lead{color:var(--text-2);font-size:16px;line-height:1.75;max-width:640px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin:26px 0 20px}
.hero-tags{display:flex;flex-wrap:wrap;gap:9px}
.hero-tag{
  font-size:12.5px;font-weight:600;color:var(--text-2);
  border:1px solid var(--line);border-radius:999px;padding:5px 12px;
  background:rgba(255,255,255,.03);
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:6px}
.breadcrumb a{color:var(--cyan);font-weight:600}
.breadcrumb a:hover{color:#fff}
.breadcrumb span{color:var(--muted)}

/* mission panel */
.mission-panel{
  background:linear-gradient(160deg,rgba(16,26,45,.95),rgba(7,13,27,.96));
  border:1px solid var(--line-strong);border-radius:var(--r-xl);
  box-shadow:var(--sh-glow);overflow:hidden;
}
.mission-media{position:relative}
.mission-media img{width:100%;aspect-ratio:16/9;object-fit:cover}
.mission-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(4,7,15,.05),rgba(7,13,27,.92));
}
.mission-media .badge{position:absolute;left:14px;top:14px;z-index:2}
.mission-stats{padding:18px 20px 20px}
.mission-stats h3{font-size:1.02rem;margin-bottom:14px}
.stat-row{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:11px 0;border-bottom:1px dashed rgba(56,189,248,.18);
}
.stat-row:last-child{border-bottom:0;padding-bottom:0}
.stat-label{font-size:13.5px;color:var(--text-2)}
.stat-value{font-size:14.5px;font-weight:800;color:var(--lime);text-align:right}
.stat-value--cyan{color:var(--cyan)}
.stat-value--gold{color:var(--gold)}

/* search band */
.search-band{position:relative;z-index:2;margin-top:34px;display:flex;flex-direction:column;align-items:center;gap:14px}
.search-bar{
  display:flex;width:100%;max-width:660px;gap:8px;
  background:rgba(11,19,34,.9);border:1px solid var(--line-strong);
  border-radius:999px;padding:7px 7px 7px 20px;
}
.search-bar input{
  flex:1;min-width:0;border:0;background:transparent;outline:none;font-size:14.5px;color:var(--text);
}
.search-bar input::placeholder{color:var(--muted)}
.search-bar .btn{border-radius:999px}
.quick-chips{display:flex;flex-wrap:wrap;gap:9px;justify-content:center}
.chip{
  font-size:12.5px;font-weight:600;color:var(--text-2);
  padding:6px 13px;border-radius:999px;border:1px solid var(--line);
  background:rgba(34,211,238,.05);transition:.2s;
}
.chip:hover{color:#fff;border-color:var(--line-strong);background:rgba(34,211,238,.14)}

/* ---------- Grids & cards ---------- */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}

.value-card{
  background:linear-gradient(160deg,rgba(16,26,45,.9),rgba(11,19,34,.92));
  border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px 22px;transition:transform .22s var(--ease),border-color .22s,box-shadow .22s;
}
.value-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--sh-glow)}
.value-icon{
  width:44px;height:44px;border-radius:13px;display:grid;place-items:center;font-size:20px;
  background:rgba(34,211,238,.12);border:1px solid var(--line-strong);margin-bottom:16px;
}
.value-card h3{font-size:1.05rem;margin-bottom:9px}
.value-card p{color:var(--text-2);font-size:14.5px;line-height:1.7}

/* table */
.table-wrap{
  border:1px solid var(--line);border-radius:var(--r-lg);overflow-x:auto;
  background:rgba(11,19,34,.72);
}
table{width:100%;border-collapse:collapse;min-width:720px}
thead th{
  text-align:left;font-size:12px;letter-spacing:.09em;text-transform:uppercase;
  color:var(--cyan);padding:15px 18px;background:rgba(34,211,238,.07);
  border-bottom:1px solid var(--line-strong);white-space:nowrap;
}
tbody td{
  padding:15px 18px;font-size:14.5px;color:var(--text-2);
  border-bottom:1px solid rgba(56,189,248,.1);
}
tbody tr:last-child td{border-bottom:0}
tbody tr{transition:background .2s}
tbody tr:hover{background:rgba(34,211,238,.05)}
tbody td strong{color:var(--text)}
tbody td .reward{color:var(--lime);font-weight:800}

/* room cards */
.room-card{
  border:1px solid var(--line);border-radius:var(--r-xl);overflow:hidden;
  background:linear-gradient(160deg,rgba(16,26,45,.92),rgba(11,19,34,.95));
  display:flex;flex-direction:column;
  transition:transform .24s var(--ease),border-color .24s,box-shadow .24s;
}
.room-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:var(--sh-glow)}
.room-media{position:relative}
.room-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
.room-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(4,7,15,.1),rgba(11,19,34,.85))}
.room-media .badge{position:absolute;top:14px;left:14px;z-index:2}
.room-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1}
.room-body h3{font-size:1.1rem}
.room-body p{color:var(--text-2);font-size:14.5px;line-height:1.7}
.room-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:auto;padding-top:6px}
.room-meta span{
  font-size:12.5px;font-weight:700;color:var(--text);
  background:rgba(255,255,255,.04);border:1px solid var(--line);
  border-radius:999px;padding:5px 11px;
}

/* steps */
.step-list{display:grid;gap:16px;counter-reset:step}
.step-item{
  display:grid;grid-template-columns:56px 1fr;gap:18px;align-items:start;
  background:rgba(11,19,34,.72);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:22px;
  transition:border-color .22s,background .22s;
}
.step-item:hover{border-color:var(--line-strong);background:rgba(16,26,45,.85)}
.step-index{
  width:56px;height:56px;border-radius:16px;display:grid;place-items:center;
  font-size:19px;font-weight:800;color:#04121a;
  background:linear-gradient(135deg,#22d3ee,#a3e635);
  box-shadow:0 0 20px rgba(34,211,238,.28);
}
.step-item h3{font-size:1.04rem;margin-bottom:7px}
.step-item p{color:var(--text-2);font-size:14.5px;line-height:1.7}

/* channels */
.channel-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.channel-card{
  border:1px solid var(--line);border-radius:var(--r-lg);
  background:rgba(11,19,34,.72);padding:20px;
  transition:border-color .22s,transform .22s var(--ease);
}
.channel-card:hover{border-color:var(--line-strong);transform:translateY(-3px)}
.channel-card h3{font-size:1rem;margin-bottom:8px}
.channel-card p{font-size:13.5px;color:var(--text-2);line-height:1.68}
.channel-card .limit{
  display:inline-block;margin-top:12px;font-size:12.5px;font-weight:700;color:var(--gold);
  border:1px solid rgba(251,191,36,.34);background:rgba(251,191,36,.1);
  border-radius:999px;padding:4px 11px;
}
.metric-strip{
  margin-top:24px;display:grid;grid-template-columns:repeat(3,1fr);gap:16px;
  border:1px solid var(--line);border-radius:var(--r-lg);
  background:linear-gradient(120deg,rgba(34,211,238,.08),rgba(163,230,53,.05));
  padding:22px;
}
.metric-strip div{text-align:left}
.metric-strip strong{display:block;font-size:1.5rem;color:var(--lime);line-height:1.2}
.metric-strip span{font-size:13px;color:var(--text-2)}

/* tips */
.tip-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.tip-item{
  display:flex;gap:14px;align-items:flex-start;
  border-left:2px solid var(--line-strong);padding:4px 0 4px 18px;
}
.tip-item .dot{
  width:9px;height:9px;border-radius:50%;flex:0 0 auto;margin-top:9px;
  background:linear-gradient(135deg,#22d3ee,#a3e635);
  box-shadow:0 0 10px rgba(34,211,238,.6);
}
.tip-item p{font-size:14.5px;color:var(--text-2);line-height:1.72}
.tip-item p strong{color:var(--text)}

/* posts list */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.post-card{
  display:flex;flex-direction:column;
  border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  background:rgba(11,19,34,.75);
  transition:transform .22s var(--ease),border-color .22s,box-shadow .22s;
}
.post-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--sh-glow)}
.post-media img{width:100%;aspect-ratio:16/9;object-fit:cover}
.post-body{padding:18px;display:flex;flex-direction:column;gap:10px}
.post-body h3{font-size:1rem;line-height:1.45}
.post-body p{font-size:13.8px;color:var(--text-2);line-height:1.68}
.post-meta{font-size:12px;color:var(--muted);letter-spacing:.03em;text-transform:uppercase;font-weight:700}
.empty-state{
  padding:26px;border:1px dashed var(--line-strong);border-radius:var(--r-lg);
  color:var(--text-2);text-align:center;font-size:14.5px;background:rgba(11,19,34,.6);
}

/* FAQ */
.faq-list{display:grid;gap:12px;max-width:960px}
.faq-item{
  border:1px solid var(--line);border-radius:var(--r-md);
  background:rgba(11,19,34,.72);overflow:hidden;transition:border-color .2s,background .2s;
}
.faq-item[open]{border-color:var(--line-strong);background:rgba(16,26,45,.86)}
.faq-item summary{
  cursor:pointer;list-style:none;padding:18px 20px;
  font-size:15.2px;font-weight:700;display:flex;align-items:center;gap:12px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";margin-left:auto;color:var(--cyan);font-size:20px;font-weight:700;line-height:1;
  transition:transform .22s var(--ease);
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item p{padding:0 20px 20px;color:var(--text-2);font-size:14.5px;line-height:1.72}

/* CTA */
.cta-band{
  position:relative;overflow:hidden;padding:64px 0;
  background:
    radial-gradient(80% 120% at 88% 10%,rgba(163,230,53,.16),transparent 60%),
    linear-gradient(120deg,rgba(8,145,178,.22),rgba(4,7,15,.9));
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.cta-inner{display:grid;grid-template-columns:1.4fr .9fr;gap:34px;align-items:center}
.cta-inner h2{font-size:clamp(1.4rem,2.6vw,2rem);margin-bottom:14px}
.cta-inner p{color:var(--text-2);font-size:15.5px;line-height:1.74}
.cta-actions{display:flex;flex-direction:column;gap:12px}

/* Footer */
.site-footer{
  background:linear-gradient(180deg,#04070f,#070d1b);
  border-top:1px solid var(--line);padding:58px 0 26px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:30px}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.footer-col h4{font-size:13.5px;letter-spacing:.07em;text-transform:uppercase;color:var(--cyan);margin-bottom:14px}
.footer-col p{color:var(--muted);font-size:14px;line-height:1.72}
.footer-list{display:flex;flex-direction:column;gap:10px}
.footer-list a{color:var(--text-2);font-size:14px;transition:color .2s,transform .2s}
.footer-list a:hover{color:var(--cyan);transform:translateX(3px)}
.footer-bottom{
  margin-top:38px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;align-items:center;gap:14px;
  font-size:13px;color:var(--muted);
}
.age-badge{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:38px;height:24px;border-radius:999px;font-size:11.5px;font-weight:800;
  color:#fb7185;border:1px solid rgba(244,63,94,.4);background:rgba(244,63,94,.1);
}

/* FAB */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  display:inline-flex;align-items:center;gap:10px;
  min-height:56px;padding:10px 18px 10px 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,.88),rgba(7,7,13,.88)),linear-gradient(120deg,#a3e635,#22d3ee);
  background-origin:border-box;background-clip:padding-box,border-box;
  box-shadow:0 0 20px rgba(6,182,212,.45);
  opacity:.8;transition:opacity .24s,transform .24s var(--ease),box-shadow .24s;
}
.fab:hover{opacity:1;transform:translateY(-3px);box-shadow:0 0 32px rgba(34,211,238,.7)}
.fab:active{transform:translateY(1px) scale(.97)}
.fab-icon{font-size:20px;line-height:1;display:grid;place-items:center}
.fab-text{font-size:13px;font-weight:700;color:#fff;white-space:nowrap}
.fab-badge{
  position:absolute;top:2px;right:6px;width:10px;height:10px;border-radius:50%;
  background:#22d3ee;box-shadow:0 0 10px rgba(34,211,238,.9);
  animation:pulse 1.6s infinite;
}
@keyframes pulse{
  0%,100%{transform:scale(1);opacity:1}
  50%{transform:scale(1.35);opacity:.6}
}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:32px}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .channel-grid{grid-template-columns:repeat(2,1fr)}
  .post-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .cta-inner{grid-template-columns:1fr;gap:24px}
  .cta-actions{flex-direction:row;flex-wrap:wrap}
}
@media (max-width:860px){
  .main-nav{
    position:absolute;top:72px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:2px;
    background:rgba(4,7,15,.98);border-bottom:1px solid var(--line);
    padding:12px 20px 18px;margin-left:0;
    display:none;
  }
  .main-nav.is-open{display:flex}
  .main-nav .nav-link{padding:12px 14px}
  .nav-toggle{display:inline-flex}
  .header-actions .btn-ghost{display:none}
}
@media (max-width:768px){
  .section{padding:56px 0}
  .grid-3{grid-template-columns:1fr}
  .tip-grid{grid-template-columns:1fr}
  .metric-strip{grid-template-columns:1fr;gap:18px}
  .footer-grid{grid-template-columns:1fr}
  .search-bar{flex-direction:column;border-radius:var(--r-lg);padding:14px}
  .search-bar .btn{width:100%}
}
@media (max-width:520px){
  body{font-size:15.5px}
  .header-inner{min-height:64px;gap:10px}
  .brand-text{font-size:13.5px}
  .header-actions .btn{padding:9px 14px;font-size:13.5px}
  .grid-4,.channel-grid,.post-grid{grid-template-columns:1fr}
  .hero{padding:44px 0 40px}
  .hero-cta .btn{width:100%}
  .step-item{grid-template-columns:44px 1fr;gap:14px;padding:18px}
  .step-index{width:44px;height:44px;border-radius:13px;font-size:16px}
  .topic-hint{display:none}
  .fab{left:12px;bottom:80px;padding:10px 14px}
  .fab-text{display:none}
  .fab{min-width:56px;justify-content:center}
}