/* roulang page: index */
:root{
  --bg-0:#030712;
  --bg-1:#081229;
  --bg-2:#0B1A38;
  --glass:linear-gradient(160deg, rgba(22,46,92,.62) 0%, rgba(7,16,36,.58) 100%);
  --glass-soft:linear-gradient(160deg, rgba(22,46,92,.44) 0%, rgba(7,16,36,.40) 100%);
  --line:rgba(56,189,248,.16);
  --line-strong:rgba(96,165,250,.34);
  --brand:#2563EB;
  --brand-2:#38BDF8;
  --brand-3:#60A5FA;
  --text:#F8FAFC;
  --body:#B6C6E0;
  --muted:#94A3B8;
  --dim:#64748B;
  --gold:#FBBF24;
  --green:#22C55E;
  --pink:#F43F5E;
  --radius:18px;
  --radius-sm:12px;
  --radius-lg:26px;
  --shadow:0 20px 55px rgba(2,10,30,.6);
  --glow:0 0 26px rgba(56,189,248,.35);
  --font:'Be Vietnam Pro', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font);
  background-color:var(--bg-0);
  color:var(--body);
  font-size:16px;
  line-height:1.65;
  overflow-x:hidden;
  background-image:
    radial-gradient(1200px 620px at 10% -6%, rgba(37,99,235,.30), transparent 62%),
    radial-gradient(900px 520px at 92% 6%, rgba(56,189,248,.18), transparent 60%),
    linear-gradient(180deg,#030712 0%, #061027 46%, #030712 100%);
  background-attachment:fixed;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background-image:
    linear-gradient(rgba(56,189,248,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(56,189,248,.05) 1px, transparent 1px);
  background-size:58px 58px;
  -webkit-mask-image:radial-gradient(circle at 50% 0%, #000 0%, transparent 74%);
  mask-image:radial-gradient(circle at 50% 0%, #000 0%, transparent 74%);
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand-3);text-decoration:none;transition:color .25s ease}
a:hover{color:var(--brand-2)}
button{font-family:inherit}
h1,h2,h3,h4{color:var(--text);font-weight:800;line-height:1.25;letter-spacing:-.4px}
h1{font-size:clamp(1.65rem,4.1vw,2.85rem);line-height:1.2}
h2{font-size:clamp(1.35rem,2.7vw,2.1rem)}
h3{font-size:clamp(1.02rem,1.7vw,1.2rem)}
p{color:var(--body);line-height:1.68}
:focus-visible{outline:2px solid var(--brand-2);outline-offset:3px;border-radius:6px}

.container-x{width:100%;max-width:1240px;margin:0 auto;padding:0 20px;position:relative;z-index:2}
main{position:relative;z-index:1}
section{position:relative}

/* ============ HEADER ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:rgba(4,10,24,.72);
  -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(56,189,248,.13);
  transition:background .3s ease, box-shadow .3s ease;
}
.site-header.scrolled{background:rgba(3,8,20,.94);box-shadow:0 14px 42px rgba(0,0,0,.55)}
.nav-wrap{display:flex;align-items:center;gap:16px;height:72px;width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:36px;height:36px;flex:0 0 36px;border-radius:11px;
  display:flex;align-items:center;justify-content:center;font-size:1rem;
  background:linear-gradient(140deg,#1D4ED8,#38BDF8);
  box-shadow:0 6px 20px rgba(56,189,248,.38);
}
.brand-text{
  font-weight:900;font-size:1.02rem;letter-spacing:-.4px;white-space:nowrap;
  background:linear-gradient(100deg,#F8FAFC 8%,#7DD3FC 58%,#38BDF8 100%);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
}
.main-nav{display:flex;align-items:center;gap:26px;margin-left:34px;flex:1 1 auto}
.nav-link{
  position:relative;padding:6px 0;font-size:.92rem;font-weight:600;
  color:#B6C6E0;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--brand-2),var(--brand));
  transform:scaleX(0);transform-origin:left;transition:transform .28s ease;
}
.nav-link:hover{color:var(--text)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--brand-2)}
.nav-link.active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto;flex-shrink:0}
.btn-ghost{
  padding:9px 18px;border-radius:999px;font-size:.88rem;font-weight:700;
  color:#CFE4FF;border:1px solid rgba(96,165,250,.42);background:transparent;
  transition:all .25s ease;white-space:nowrap;
}
.btn-ghost:hover{color:#fff;border-color:var(--brand-2);box-shadow:0 0 18px rgba(56,189,248,.35);background:rgba(56,189,248,.08)}
.btn-solid{
  padding:9px 20px;border-radius:999px;font-size:.88rem;font-weight:800;
  color:#04101f;background:linear-gradient(135deg,#7DD3FC,#38BDF8 40%,#2563EB 100%);
  box-shadow:0 8px 24px rgba(37,99,235,.45);transition:all .25s ease;white-space:nowrap;
}
.btn-solid:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(56,189,248,.6);color:#04101f}
.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:42px;height:42px;border-radius:12px;border:1px solid rgba(96,165,250,.3);
  background:rgba(56,189,248,.07);cursor:pointer;padding:0 11px;
}
.nav-toggle span{display:block;height:2px;border-radius:2px;background:#9FD8FF;transition:.28s ease}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ============ BUTTONS ============ */
.btn-glow{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:15px 32px;border-radius:999px;border:0;cursor:pointer;
  font-size:.98rem;font-weight:800;color:#03101f;letter-spacing:.1px;
  background:linear-gradient(135deg,#7DD3FC 0%,#38BDF8 42%,#2563EB 100%);
  box-shadow:0 12px 34px rgba(37,99,235,.5), 0 0 0 1px rgba(125,211,252,.5) inset;
  transition:transform .28s cubic-bezier(.2,.7,.3,1), box-shadow .28s ease;
}
.btn-glow:hover{transform:translateY(-3px);color:#03101f;box-shadow:0 18px 44px rgba(56,189,248,.62)}
.btn-glow:active{transform:translateY(0) scale(.98)}
.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:15px 30px;border-radius:999px;cursor:pointer;
  font-size:.98rem;font-weight:700;color:#D8EBFF;
  background:rgba(56,189,248,.07);border:1px solid rgba(96,165,250,.45);
  transition:all .28s ease;
}
.btn-outline:hover{color:#fff;border-color:var(--brand-2);background:rgba(56,189,248,.14);box-shadow:0 0 24px rgba(56,189,248,.32)}

.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:999px;
  font-size:.74rem;font-weight:800;letter-spacing:1.2px;text-transform:uppercase;
  color:#9FD8FF;background:rgba(56,189,248,.10);
  border:1px solid rgba(96,165,250,.32);
}
.tag{
  display:inline-block;padding:4px 11px;border-radius:8px;
  font-size:.72rem;font-weight:700;letter-spacing:.4px;
  color:#9FD8FF;background:rgba(56,189,248,.10);border:1px solid rgba(96,165,250,.26);
}
.tag-gold{color:#FDE68A;background:rgba(251,191,36,.10);border-color:rgba(251,191,36,.3)}
.tag-green{color:#86EFAC;background:rgba(34,197,94,.10);border-color:rgba(34,197,94,.3)}
.tag-red{color:#FDA4AF;background:rgba(244,63,94,.10);border-color:rgba(244,63,94,.3)}

/* ============ HERO ============ */
.hero{
  position:relative;padding:142px 0 78px;overflow:hidden;
  border-bottom:1px solid rgba(56,189,248,.12);
}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.42}
.hero-veil{
  position:absolute;inset:0;z-index:1;
  background:
    linear-gradient(100deg, rgba(3,8,20,.96) 0%, rgba(3,8,20,.84) 42%, rgba(4,12,30,.58) 100%),
    radial-gradient(700px 420px at 88% 20%, rgba(37,99,235,.4), transparent 68%);
}
.hero-inner{max-width:900px}
.hero h1{margin:20px 0 18px}
.hero-lead{font-size:1.03rem;max-width:780px;color:#C6D6EC}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.count-bar{
  margin-top:38px;display:flex;flex-wrap:wrap;align-items:center;gap:18px;
  padding:16px 22px;border-radius:var(--radius);
  background:var(--glass-soft);
  border:1px solid rgba(96,165,250,.26);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  max-width:660px;
}
.count-left{display:flex;align-items:center;gap:10px;font-size:.88rem;font-weight:700;color:#CFE4FF}
.live-dot{
  width:9px;height:9px;border-radius:50%;background:#38BDF8;flex:0 0 9px;
  box-shadow:0 0 0 0 rgba(56,189,248,.7);animation:ping 1.8s infinite;
}
@keyframes ping{
  0%{box-shadow:0 0 0 0 rgba(56,189,248,.7)}
  70%{box-shadow:0 0 0 12px rgba(56,189,248,0)}
  100%{box-shadow:0 0 0 0 rgba(56,189,248,0)}
}
.count-timer{display:flex;gap:8px;margin-left:auto}
.cd-cell{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  min-width:58px;padding:7px 10px;border-radius:11px;
  background:rgba(56,189,248,.1);border:1px solid rgba(96,165,250,.26);
}
.cd-cell b{font-size:1.12rem;color:#fff;font-weight:800;line-height:1;font-variant-numeric:tabular-nums}
.cd-cell i{font-style:normal;font-size:.64rem;color:var(--muted);letter-spacing:.6px;text-transform:uppercase;margin-top:3px}

/* ============ SECTIONS ============ */
.sec{padding:76px 0}
.sec-alt{
  background:linear-gradient(180deg, rgba(8,20,44,.62), rgba(3,8,20,.18));
  border-top:1px solid rgba(56,189,248,.09);
  border-bottom:1px solid rgba(56,189,248,.09);
}
.sec-head{max-width:820px;margin-bottom:40px}
.sec-head h2{margin:16px 0 14px}
.sec-head p{font-size:.98rem}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}

/* ============ METRICS ============ */
.metrics-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.metric{
  position:relative;padding:26px 24px;border-radius:var(--radius);
  background:var(--glass);border:1px solid var(--line);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  overflow:hidden;transition:transform .3s ease, border-color .3s ease, box-shadow .3s ease;
}
.metric::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:linear-gradient(180deg,#38BDF8,#2563EB);
}
.metric:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:0 18px 44px rgba(37,99,235,.28)}
.metric-num{font-size:clamp(1.7rem,3.4vw,2.3rem);font-weight:900;color:#fff;letter-spacing:-1px;line-height:1.1}
.metric-num span{color:var(--brand-2);font-size:.6em}
.metric-lb{margin-top:8px;font-size:.87rem;color:var(--muted);line-height:1.5}

/* ============ PRODUCT / HALLS ============ */
.hall-card{
  height:100%;padding:26px 24px;border-radius:var(--radius);
  background:var(--glass);border:1px solid var(--line);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  transition:transform .3s ease, border-color .3s ease, box-shadow .3s ease;
}
.hall-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:0 20px 48px rgba(37,99,235,.3)}
.hall-ico{
  width:48px;height:48px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  font-size:1.35rem;margin-bottom:16px;
  background:linear-gradient(140deg, rgba(56,189,248,.24), rgba(37,99,235,.14));
  border:1px solid rgba(96,165,250,.3);
}
.hall-card h3{margin-bottom:10px;font-size:1.06rem}
.hall-card p{font-size:.9rem;color:var(--muted);line-height:1.62}

/* ============ RANK LIST ============ */
.rank-list{list-style:none;display:flex;flex-direction:column;gap:12px}
.rank-row{
  display:flex;align-items:flex-start;gap:18px;
  padding:20px 22px;border-radius:var(--radius);
  background:var(--glass-soft);border:1px solid var(--line);
  transition:transform .28s ease, border-color .28s ease, background .28s ease;
}
.rank-row:hover{transform:translateX(6px);border-color:var(--line-strong);background:var(--glass)}
.rank-no{
  flex:0 0 52px;width:52px;height:52px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  font-weight:900;font-size:1.08rem;color:#04101f;
  background:linear-gradient(140deg,#7DD3FC,#38BDF8);
  box-shadow:0 8px 22px rgba(56,189,248,.32);
}
.rank-body{flex:1 1 auto;min-width:0}
.rank-body h3{font-size:1.02rem;margin-bottom:6px}
.rank-body p{font-size:.88rem;color:var(--muted);margin-bottom:9px}
.rank-tags{display:flex;flex-wrap:wrap;gap:7px}
.rank-score{
  flex:0 0 auto;font-size:1.12rem;font-weight:900;color:var(--gold);
  align-self:center;letter-spacing:-.3px;
}

/* ============ PROMO ============ */
.promo-card{
  height:100%;display:flex;flex-direction:column;
  padding:26px 24px;border-radius:var(--radius-lg);
  background:linear-gradient(160deg, rgba(29,78,216,.34), rgba(6,14,32,.62));
  border:1px solid rgba(96,165,250,.28);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  transition:transform .3s ease, box-shadow .3s ease;
}
.promo-card:hover{transform:translateY(-5px);box-shadow:0 22px 52px rgba(37,99,235,.34)}
.promo-card h3{margin:14px 0 10px;font-size:1.12rem}
.promo-card p{font-size:.9rem;color:#BFD2EA;flex:1 1 auto}
.progress{height:6px;border-radius:99px;background:rgba(255,255,255,.1);overflow:hidden;margin:18px 0 10px}
.progress span{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,#38BDF8,#2563EB)}
.progress-meta{display:flex;justify-content:space-between;font-size:.76rem;color:var(--muted);font-weight:600}

/* ============ COMPARE ============ */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.compare-col{padding:28px 26px;border-radius:var(--radius-lg);border:1px solid var(--line);background:var(--glass-soft)}
.compare-col.good{border-color:rgba(34,197,94,.28);background:linear-gradient(160deg, rgba(6,78,59,.28), rgba(6,14,32,.5))}
.compare-col.bad{border-color:rgba(244,63,94,.24);background:linear-gradient(160deg, rgba(80,10,25,.26), rgba(6,14,32,.5))}
.compare-col h3{margin-bottom:18px;display:flex;align-items:center;gap:10px}
.compare-col ul{list-style:none;display:flex;flex-direction:column;gap:12px}
.compare-col li{display:flex;gap:11px;font-size:.9rem;color:#C6D6EC;line-height:1.55}
.compare-col li b{flex:0 0 20px;font-size:.95rem;line-height:1.45}
.good li b{color:#4ADE80}
.bad li b{color:#FB7185}

/* ============ TIMELINE ============ */
.timeline{position:relative;padding-left:26px}
.timeline::before{
  content:"";position:absolute;left:6px;top:6px;bottom:6px;width:2px;
  background:linear-gradient(180deg,#38BDF8,rgba(37,99,235,.15));
}
.tl-item{position:relative;padding:0 0 28px 12px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-26px;top:6px;width:14px;height:14px;border-radius:50%;
  background:#081229;border:2px solid var(--brand-2);box-shadow:0 0 14px rgba(56,189,248,.6);
}
.tl-date{font-size:.74rem;font-weight:800;letter-spacing:1px;text-transform:uppercase;color:var(--brand-2)}
.tl-item h3{font-size:1rem;margin:7px 0 6px}
.tl-item p{font-size:.88rem;color:var(--muted)}

/* ============ UPDATES ============ */
.log-row{
  display:flex;gap:18px;padding:18px 0;border-bottom:1px dashed rgba(56,189,248,.16);
  align-items:flex-start;
}
.log-row:last-child{border-bottom:0}
.log-ver{
  flex:0 0 84px;font-size:.76rem;font-weight:800;color:#9FD8FF;
  letter-spacing:.8px;text-transform:uppercase;padding-top:3px;
}
.log-body h3{font-size:.98rem;margin-bottom:6px}
.log-body p{font-size:.87rem;color:var(--muted)}

/* ============ CHANNELS ============ */
.channel-card{
  display:block;height:100%;border-radius:var(--radius-lg);overflow:hidden;
  background:var(--glass);border:1px solid var(--line);
  transition:transform .32s ease, border-color .32s ease, box-shadow .32s ease;
}
.channel-card:hover{transform:translateY(-6px);border-color:var(--line-strong);box-shadow:0 22px 52px rgba(37,99,235,.32)}
.channel-thumb{position:relative;aspect-ratio:16/9;overflow:hidden}
.channel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.channel-card:hover .channel-thumb img{transform:scale(1.07)}
.channel-thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(3,8,20,.1),rgba(3,8,20,.82))}
.channel-body{padding:22px}
.channel-body h3{font-size:1.05rem;margin-bottom:9px;color:var(--text)}
.channel-body p{font-size:.88rem;color:var(--muted);margin-bottom:14px}
.channel-more{font-size:.84rem;font-weight:800;color:var(--brand-2);letter-spacing:.4px}
.channel-card:hover .channel-more{color:#BAE6FD}

/* ============ NEWS ============ */
.news-card{
  display:block;height:100%;border-radius:var(--radius);overflow:hidden;
  background:var(--glass-soft);border:1px solid var(--line);
  transition:transform .3s ease, border-color .3s ease, box-shadow .3s ease;
}
.news-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:0 20px 46px rgba(37,99,235,.28)}
.news-thumb{aspect-ratio:16/9;overflow:hidden;background:#071127}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.news-card:hover .news-thumb img{transform:scale(1.06)}
.news-body{padding:18px 18px 20px}
.news-cat{font-size:.7rem;font-weight:800;letter-spacing:.9px;text-transform:uppercase;color:var(--brand-2)}
.news-body h3{font-size:.98rem;margin:9px 0 9px;line-height:1.42;color:var(--text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-body p{font-size:.85rem;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:12px}
.news-time{font-size:.76rem;color:var(--dim);font-weight:600}
.empty-note{
  padding:28px;border-radius:var(--radius);text-align:center;
  background:var(--glass-soft);border:1px dashed rgba(96,165,250,.3);
  color:var(--muted);font-size:.92rem;
}
.side-panel{padding:24px;border-radius:var(--radius);background:var(--glass-soft);border:1px solid var(--line)}
.side-panel h3{font-size:1rem;margin-bottom:14px}
.side-list{list-style:none;display:flex;flex-direction:column;gap:12px}
.side-list li{font-size:.87rem;color:#C6D6EC;padding-left:18px;position:relative;line-height:1.55}
.side-list li::before{content:"▸";position:absolute;left:0;color:var(--brand-2)}

/* ============ TRUST ============ */
.trust-card{
  height:100%;padding:24px 22px;border-radius:var(--radius);
  background:var(--glass-soft);border:1px solid var(--line);
  transition:transform .3s ease, border-color .3s ease;
}
.trust-card:hover{transform:translateY(-4px);border-color:var(--line-strong)}
.trust-card h3{font-size:.98rem;margin:14px 0 9px}
.trust-card p{font-size:.87rem;color:var(--muted)}

/* ============ QUICK ANSWERS ============ */
.qa-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.qa-item{padding:22px 22px;border-radius:var(--radius);background:var(--glass-soft);border:1px solid var(--line)}
.qa-item h3{font-size:.96rem;margin-bottom:9px;color:#DDEBFF}
.qa-item p{font-size:.87rem;color:var(--muted)}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px}
.accordion-item{background:transparent;border:0;border-bottom:1px solid rgba(56,189,248,.14)}
.accordion-item:first-of-type{border-top:1px solid rgba(56,189,248,.14)}
.accordion-button{
  background:transparent;color:var(--text);font-weight:700;font-size:1rem;
  padding:22px 46px 22px 0;box-shadow:none!important;border-radius:0!important;
}
.accordion-button:not(.collapsed){color:var(--brand-2);background:transparent}
.accordion-button:focus{box-shadow:none;border:0}
.accordion-button::after{
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%2338BDF8'%3E%3Cpath d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3E%3C/svg%3E");
  background-size:14px;width:14px;height:14px;margin-left:auto;position:absolute;right:4px;
}
.accordion-button:not(.collapsed)::after{transform:rotate(-180deg)}
.accordion-body{padding:0 44px 24px 0;color:var(--muted);font-size:.92rem;line-height:1.7}

/* ============ CTA FORM ============ */
.cta-panel{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  padding:44px 40px;border:1px solid rgba(96,165,250,.3);
  background:linear-gradient(150deg, rgba(29,78,216,.36), rgba(5,12,28,.86));
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  box-shadow:var(--shadow);
}
.cta-panel::after{
  content:"";position:absolute;right:-90px;top:-90px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle, rgba(56,189,248,.32), transparent 68%);pointer-events:none;
}
.cta-panel h2{margin-bottom:12px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:22px}
.form-field{display:flex;flex-direction:column;gap:7px}
.form-field label{font-size:.78rem;font-weight:800;letter-spacing:.7px;text-transform:uppercase;color:#9FD8FF}
.form-field input,.form-field select{
  width:100%;padding:13px 16px;border-radius:12px;font-size:.92rem;font-family:inherit;
  color:#EAF3FF;background:rgba(6,14,32,.72);
  border:1px solid rgba(96,165,250,.28);transition:border-color .25s ease, box-shadow .25s ease;
}
.form-field input::placeholder{color:#64748B}
.form-field input:focus,.form-field select:focus{
  outline:none;border-color:var(--brand-2);box-shadow:0 0 0 3px rgba(56,189,248,.18)
}
.form-field select option{background:#081229;color:#EAF3FF}
.form-note{font-size:.78rem;color:var(--dim);margin-top:14px}
.form-msg{
  margin-top:16px;padding:13px 18px;border-radius:12px;font-size:.88rem;font-weight:600;
  color:#86EFAC;background:rgba(34,197,94,.1);border:1px solid rgba(34,197,94,.3);
}

/* ============ FAB ============ */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  display:inline-flex;align-items:center;gap:10px;
  padding:13px 20px;border-radius:999px;
  color:#EAF3FF;font-size:.85rem;font-weight:800;
  background:rgba(7,7,13,.82);
  -webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border:1px solid transparent;
  background-image:linear-gradient(rgba(7,10,24,.86),rgba(7,10,24,.86)),
    linear-gradient(135deg,#38BDF8,#2563EB 55%,#22D3EE);
  background-origin:border-box;background-clip:padding-box,border-box;
  box-shadow:0 0 22px rgba(6,182,212,.42);
  animation:fabPulse 3.2s ease-in-out infinite;
  transition:transform .25s ease, box-shadow .25s ease, opacity .25s ease;
  opacity:.85;
}
.fab svg{flex:0 0 auto;color:#7DD3FC}
.fab:hover{transform:scale(1.05);opacity:1;box-shadow:0 0 34px rgba(6,182,212,.68);color:#fff}
.fab:active{transform:scale(.95)}
.fab-dot{
  position:absolute;top:-3px;right:-3px;width:12px;height:12px;border-radius:50%;
  background:#F43F5E;box-shadow:0 0 12px rgba(244,63,94,.9);animation:pingSmall 1.6s infinite;
}
@keyframes pingSmall{0%{box-shadow:0 0 0 0 rgba(244,63,94,.75)}70%{box-shadow:0 0 0 9px rgba(244,63,94,0)}100%{box-shadow:0 0 0 0 rgba(244,63,94,0)}}
@keyframes fabPulse{0%,100%{box-shadow:0 0 22px rgba(6,182,212,.38)}50%{box-shadow:0 0 34px rgba(6,182,212,.62)}}

/* ============ FOOTER ============ */
.site-footer{
  position:relative;z-index:1;margin-top:20px;
  padding:62px 0 30px;
  background:linear-gradient(180deg, rgba(4,10,24,.4), rgba(2,6,16,.95));
  border-top:1px solid rgba(56,189,248,.15);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:34px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand-name{
  font-weight:900;font-size:1rem;letter-spacing:-.3px;
  background:linear-gradient(100deg,#F8FAFC,#7DD3FC);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent;
}
.footer-about{font-size:.87rem;color:var(--muted);line-height:1.68;max-width:340px}
.footer-col h4{
  font-size:.78rem;font-weight:800;letter-spacing:1.1px;text-transform:uppercase;
  color:#9FD8FF;margin-bottom:16px;
}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:.88rem;color:var(--muted)}
.footer-col a:hover{color:var(--brand-2)}
.footer-pay{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.pay-chip{
  padding:6px 12px;border-radius:9px;font-size:.74rem;font-weight:700;
  color:#CBD5E1;background:rgba(56,189,248,.07);border:1px solid rgba(96,165,250,.2);
}
.footer-bottom{
  margin-top:40px;padding-top:22px;border-top:1px solid rgba(56,189,248,.12);
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;
  font-size:.8rem;color:var(--dim);
}
.footer-bottom .age{color:var(--gold);font-weight:800}

/* ============ RESPONSIVE ============ */
@media (max-width:1199.98px){
  .main-nav{gap:20px;margin-left:26px}
  .nav-link{font-size:.87rem}
}
@media (max-width:991.98px){
  .main-nav{
    position:absolute;top:72px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:0;margin:0;
    padding:8px 20px 18px;
    background:rgba(3,9,22,.98);
    border-bottom:1px solid rgba(56,189,248,.2);
    box-shadow:0 24px 50px rgba(0,0,0,.6);
    display:none;
  }
  .main-nav.open{display:flex}
  .nav-link{padding:15px 2px;border-bottom:1px solid rgba(56,189,248,.1);font-size:.98rem}
  .nav-link::after{display:none}
  .nav-actions{margin-left:auto}
  .nav-toggle{display:flex}
  .metrics-grid{grid-template-columns:repeat(2,1fr)}
  .compare-grid{grid-template-columns:1fr}
  .qa-grid{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .hero{padding:126px 0 62px}
  .sec{padding:62px 0}
}
@media (max-width:575.98px){
  .brand-text{font-size:.86rem}
  .brand-mark{width:32px;height:32px;flex:0 0 32px;font-size:.9rem}
  .btn-ghost{padding:8px 13px;font-size:.78rem}
  .btn-solid{padding:8px 15px;font-size:.78rem}
  .nav-wrap{gap:10px;height:66px}
  .main-nav{top:66px}
  .metrics-grid{grid-template-columns:1fr}
  .hero{padding:112px 0 54px}
  .hero-cta .btn-glow,.hero-cta .btn-outline{width:100%}
  .count-bar{padding:14px 16px;gap:12px;flex-direction:column;align-items:flex-start}
  .count-timer{margin-left:0}
  .rank-row{flex-wrap:wrap;gap:12px;padding:18px 16px}
  .rank-no{flex:0 0 44px;width:44px;height:44px;font-size:.95rem}
  .rank-score{margin-left:56px}
  .cta-panel{padding:30px 22px}
  .footer-grid{grid-template-columns:1fr}
  .fab{left:12px;bottom:84px;padding:11px 16px;font-size:.78rem}
  .sec{padding:52px 0}
  .accordion-body{padding-right:12px}
}

/* roulang page: category1 */
:root{
        --bg-0:#030712;
        --bg-1:#081229;
        --bg-2:#0B1A38;
        --glass:linear-gradient(160deg, rgba(22,46,92,.62) 0%, rgba(7,16,36,.58) 100%);
        --glass-soft:linear-gradient(160deg, rgba(22,46,92,.44) 0%, rgba(7,16,36,.40) 100%);
        --line:rgba(56,189,248,.16);
        --line-strong:rgba(96,165,250,.34);
        --brand:#2563EB;
        --brand-2:#38BDF8;
        --brand-3:#60A5FA;
        --text:#F8FAFC;
        --body:#B6C6E0;
        --muted:#94A3B8;
        --dim:#64748B;
        --gold:#FBBF24;
        --green:#22C55E;
        --pink:#F43F5E;
        --radius:18px;
        --radius-sm:12px;
        --radius-lg:26px;
        --shadow:0 20px 55px rgba(2,10,30,.6);
        --glow:0 0 26px rgba(56,189,248,.35);
        --font:'Be Vietnam Pro', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
    }
    html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
    body{
        font-family:var(--font);
        background-color:var(--bg-0);
        color:var(--body);
        font-size:16px;
        line-height:1.65;
        overflow-x:hidden;
        background-image:
            radial-gradient(1200px 620px at 10% -6%, rgba(37,99,235,.30), transparent 62%),
            radial-gradient(900px 520px at 92% 6%, rgba(56,189,248,.18), transparent 60%),
            linear-gradient(180deg,#030712 0%, #061027 46%, #030712 100%);
        background-attachment:fixed;
    }
    body::before{
        content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
        background-image:
            linear-gradient(rgba(56,189,248,.05) 1px, transparent 1px),
            linear-gradient(90deg, rgba(56,189,248,.05) 1px, transparent 1px);
        background-size:58px 58px;
        -webkit-mask-image:radial-gradient(circle at 50% 0%, #000 0%, transparent 74%);
        mask-image:radial-gradient(circle at 50% 0%, #000 0%, transparent 74%);
    }
    img{max-width:100%;display:block;height:auto}
    a{color:var(--brand-3);text-decoration:none;transition:color .25s ease}
    a:hover{color:var(--brand-2)}
    button{font-family:inherit}
    .container-x{width:100%;max-width:1240px;margin:0 auto;padding:0 20px;position:relative;z-index:2}
    main{position:relative;z-index:1}
    section{position:relative}
    /* HEADER */
    .site-header{
        position:fixed;top:0;left:0;right:0;z-index:1000;
        background:rgba(4,10,24,.72);
        -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
        border-bottom:1px solid rgba(56,189,248,.13);
        transition:background .3s ease, box-shadow .3s ease;
    }
    .site-header.scrolled{background:rgba(3,8,20,.94);box-shadow:0 14px 42px rgba(0,0,0,.55)}
    .nav-wrap{display:flex;align-items:center;gap:16px;height:72px;width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
    .brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
    .brand-mark{
        width:36px;height:36px;flex:0 0 36px;border-radius:11px;
        display:flex;align-items:center;justify-content:center;font-size:1rem;
        background:linear-gradient(140deg,#1D4ED8,#38BDF8);
        box-shadow:0 6px 20px rgba(56,189,248,.38);
    }
    .brand-text{
        font-weight:900;font-size:1.02rem;letter-spacing:-.4px;white-space:nowrap;
        background:linear-gradient(100deg,#F8FAFC 8%,#7DD3FC 58%,#38BDF8 100%);
        -webkit-background-clip:text;background-clip:text;
        -webkit-text-fill-color:transparent;color:transparent;
    }
    .main-nav{display:flex;align-items:center;gap:26px;margin-left:34px;flex:1 1 auto}
    .nav-link{
        position:relative;padding:6px 0;font-size:.92rem;font-weight:600;
        color:#B6C6E0;white-space:nowrap;
    }
    .nav-link::after{
        content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;border-radius:2px;
        background:linear-gradient(90deg,var(--brand-2),var(--brand));
        transform:scaleX(0);transform-origin:left;transition:transform .28s ease;
    }
    .nav-link:hover{color:var(--text)}
    .nav-link:hover::after{transform:scaleX(1)}
    .nav-link.active{color:var(--brand-2)}
    .nav-link.active::after{transform:scaleX(1)}
    .nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto;flex-shrink:0}
    .btn-ghost{
        padding:9px 18px;border-radius:999px;font-size:.88rem;font-weight:700;
        color:#CFE4FF;border:1px solid rgba(96,165,250,.42);background:transparent;
        transition:all .25s ease;white-space:nowrap;
    }
    .btn-ghost:hover{color:#fff;border-color:var(--brand-2);box-shadow:0 0 18px rgba(56,189,248,.35);background:rgba(56,189,248,.08)}
    .btn-solid{
        padding:9px 20px;border-radius:999px;font-size:.88rem;font-weight:800;
        color:#04101f;background:linear-gradient(135deg,#7DD3FC,#38BDF8 40%,#2563EB 100%);
        box-shadow:0 8px 24px rgba(37,99,235,.45);transition:all .25s ease;white-space:nowrap;
    }
    .btn-solid:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(56,189,248,.6);color:#04101f}
    .nav-toggle{
        display:none;flex-direction:column;justify-content:center;gap:5px;
        width:42px;height:42px;border-radius:12px;border:1px solid rgba(96,165,250,.3);
        background:rgba(56,189,248,.07);cursor:pointer;padding:0 11px;
    }
    .nav-toggle span{display:block;height:2px;border-radius:2px;background:#9FD8FF;transition:.28s ease}
    .nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
    .nav-toggle.is-open span:nth-child(2){opacity:0}
    .nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
    /* BUTTONS */
    .btn-glow{
        display:inline-flex;align-items:center;justify-content:center;gap:10px;
        padding:15px 32px;border-radius:999px;border:0;cursor:pointer;
        font-size:.98rem;font-weight:800;color:#03101f;letter-spacing:.1px;
        background:linear-gradient(135deg,#7DD3FC 0%,#38BDF8 42%,#2563EB 100%);
        box-shadow:0 12px 34px rgba(37,99,235,.5), 0 0 0 1px rgba(125,211,252,.5) inset;
        transition:transform .28s cubic-bezier(.2,.7,.3,1), box-shadow .28s ease;
    }
    .btn-glow:hover{transform:translateY(-3px);color:#03101f;box-shadow:0 18px 44px rgba(56,189,248,.62)}
    .btn-glow:active{transform:translateY(0) scale(.98)}
    .btn-outline{
        display:inline-flex;align-items:center;justify-content:center;gap:10px;
        padding:15px 30px;border-radius:999px;cursor:pointer;
        font-size:.98rem;font-weight:700;color:#D8EBFF;
        background:rgba(56,189,248,.07);border:1px solid rgba(96,165,250,.45);
        transition:all .28s ease;
    }
    .btn-outline:hover{color:#fff;border-color:var(--brand-2);background:rgba(56,189,248,.14);box-shadow:0 0 24px rgba(56,189,248,.32)}
    .eyebrow{
        display:inline-flex;align-items:center;gap:8px;
        padding:7px 16px;border-radius:999px;
        font-size:.74rem;font-weight:800;letter-spacing:1.2px;text-transform:uppercase;
        color:#9FD8FF;background:rgba(56,189,248,.10);
        border:1px solid rgba(56,189,248,.28);
    }
    /* GLASS CARD */
    .glass{
        background:var(--glass);
        border:1px solid var(--line);
        border-radius:var(--radius);
        box-shadow:var(--shadow);
        -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
    }
    .glass-soft{
        background:var(--glass-soft);
        border:1px solid rgba(56,189,248,.12);
        border-radius:var(--radius-sm);
        -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
    }
    .section-pad{padding:88px 0}
    .section-head{margin-bottom:44px}
    .section-head h2{
        font-size:clamp(1.5rem,3vw,2.15rem);font-weight:900;color:var(--text);
        letter-spacing:-.6px;line-height:1.22;margin:14px 0 12px;
    }
    .section-head p{color:var(--muted);max-width:760px;margin:0;font-size:.98rem}
    .tag{
        display:inline-flex;align-items:center;gap:7px;
        padding:5px 13px;border-radius:999px;font-size:.72rem;font-weight:800;
        letter-spacing:.6px;text-transform:uppercase;color:#9FE6B8;
        background:rgba(34,197,94,.12);border:1px solid rgba(34,197,94,.32);
    }
    .tag-blue{color:#9FD8FF;background:rgba(56,189,248,.12);border-color:rgba(56,189,248,.32)}
    .tag-gold{color:#FDE68A;background:rgba(251,191,36,.12);border-color:rgba(251,191,36,.32)}
    .tag-pink{color:#FECDD3;background:rgba(244,63,94,.12);border-color:rgba(244,63,94,.32)}
    /* HERO */
    .page-hero{
        position:relative;padding:150px 0 76px;overflow:hidden;
    }
    .page-hero-bg{
        position:absolute;inset:0;z-index:0;
        background-image:linear-gradient(180deg,rgba(3,7,18,.55),rgba(3,7,18,.94)),url('/assets/images/b9c158631216a72a.jpg');
        background-size:cover;background-position:center;
        opacity:.55;
    }
    .page-hero .container-x{position:relative;z-index:2}
    .page-hero h1{
        font-size:clamp(1.85rem,4.4vw,3rem);font-weight:900;color:var(--text);
        letter-spacing:-1px;line-height:1.16;margin:18px 0 18px;
        max-width:900px;
    }
    .page-hero .lede{
        font-size:1.04rem;color:var(--body);max-width:720px;margin-bottom:26px;
    }
    .hero-cta{display:flex;flex-wrap:wrap;gap:14px}
    .hero-stats{
        display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:44px;
    }
    .stat-cell{
        padding:20px 22px;border-radius:var(--radius-sm);
        background:var(--glass-soft);border:1px solid var(--line);
    }
    .stat-cell .num{
        font-size:1.7rem;font-weight:900;line-height:1;
        background:linear-gradient(120deg,#7DD3FC,#2563EB);
        -webkit-background-clip:text;background-clip:text;
        -webkit-text-fill-color:transparent;color:transparent;
        display:block;margin-bottom:6px;
    }
    .stat-cell .lbl{font-size:.82rem;color:var(--muted);font-weight:600}
    /* CRITERIA / PERKS GRID */
    .perk-grid{
        display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px;
    }
    .perk-card{
        padding:28px 26px;border-radius:var(--radius);
        background:var(--glass);border:1px solid var(--line);
        transition:transform .3s ease, border-color .3s ease, box-shadow .3s ease;
    }
    .perk-card:hover{
        transform:translateY(-5px);
        border-color:var(--line-strong);
        box-shadow:0 24px 48px rgba(37,99,235,.28);
    }
    .perk-icon{
        width:48px;height:48px;border-radius:13px;
        display:flex;align-items:center;justify-content:center;
        font-size:1.15rem;color:#7DD3FC;
        background:rgba(56,189,248,.10);
        border:1px solid rgba(56,189,248,.28);
        margin-bottom:18px;
    }
    .perk-card h3{font-size:1.05rem;font-weight:800;color:var(--text);margin:0 0 9px}
    .perk-card p{font-size:.92rem;color:var(--muted);margin:0}
    /* RANK TABLE-LIKE STRIP */
    .rank-strip{
        display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));
        gap:0;border-radius:var(--radius);overflow:hidden;
        border:1px solid var(--line);
    }
    .rank-cell{
        padding:26px 24px;
        background:var(--glass-soft);
        border-right:1px solid rgba(56,189,248,.10);
        transition:background .3s ease;
    }
    .rank-cell:last-child{border-right:0}
    .rank-cell:hover{background:rgba(56,189,248,.09)}
    .rank-cell .rank-top{
        display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;
    }
    .rank-badge{
        width:32px;height:32px;border-radius:10px;
        display:flex;align-items:center;justify-content:center;
        font-size:.82rem;font-weight:900;color:#03101f;
        background:linear-gradient(135deg,#FCD34D,#F59E0B);
    }
    .rank-cell h4{font-size:.98rem;font-weight:800;color:var(--text);margin:0 0 6px}
    .rank-cell .meta{font-size:.82rem;color:var(--muted);margin:0}
    /* COMPARISON */
    .compare-grid{display:grid;grid-template-columns:1fr;gap:16px}
    .compare-row{
        display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:16px;align-items:center;
        padding:20px 24px;border-radius:var(--radius-sm);
        background:var(--glass-soft);border:1px solid var(--line);
    }
    .compare-row .c-name{font-weight:800;color:var(--text);font-size:.98rem}
    .compare-row .c-val{font-size:.9rem;color:var(--muted)}
    .compare-row .c-val strong{color:#9FD8FF;font-weight:800}
    /* SCENARIO / STEPS */
    .step-list{display:grid;grid-template-columns:1fr;gap:18px;counter-reset:step}
    .step-item{
        display:grid;grid-template-columns:56px 1fr;gap:20px;align-items:start;
        padding:24px 26px;border-radius:var(--radius);
        background:var(--glass-soft);border:1px solid var(--line);
    }
    .step-item::before{
        counter-increment:step;content:counter(step);
        width:56px;height:56px;border-radius:16px;
        display:flex;align-items:center;justify-content:center;
        font-size:1.3rem;font-weight:900;color:#7DD3FC;
        background:rgba(56,189,248,.10);
        border:1px solid rgba(56,189,248,.30);
    }
    .step-item h3{font-size:1.02rem;font-weight:800;color:var(--text);margin:0 0 8px}
    .step-item p{font-size:.92rem;color:var(--muted);margin:0}
    /* PROMO */
    .promo-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px}
    .promo-card{
        padding:28px 26px;border-radius:var(--radius);
        background:var(--glass);border:1px solid var(--line);
        position:relative;overflow:hidden;
    }
    .promo-card::after{
        content:"";position:absolute;top:-40px;right:-40px;width:130px;height:130px;
        border-radius:50%;background:radial-gradient(circle,rgba(56,189,248,.22),transparent 70%);
    }
    .promo-card .code-box{
        display:inline-flex;align-items:center;gap:8px;
        padding:8px 16px;border-radius:10px;margin-top:16px;
        font-weight:900;font-size:.9rem;letter-spacing:1px;color:#FDE68A;
        background:rgba(251,191,36,.10);border:1px dashed rgba(251,191,36,.42);
    }
    .promo-card h3{font-size:1.08rem;font-weight:800;color:var(--text);margin:0 0 10px}
    .promo-card p{font-size:.92rem;color:var(--muted);margin:0}
    /* CMS LIST */
    .news-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));gap:22px}
    .news-card{
        border-radius:var(--radius);overflow:hidden;
        background:var(--glass);border:1px solid var(--line);
        transition:transform .3s ease, border-color .3s ease, box-shadow .3s ease;
        display:flex;flex-direction:column;
    }
    .news-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:0 24px 48px rgba(37,99,235,.26)}
    .news-thumb{aspect-ratio:16/9;overflow:hidden;background:#0B1A38}
    .news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
    .news-card:hover .news-thumb img{transform:scale(1.05)}
    .news-body{padding:20px 22px;display:flex;flex-direction:column;flex:1}
    .news-meta{display:flex;align-items:center;gap:10px;font-size:.76rem;color:var(--dim);margin-bottom:10px}
    .news-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--dim)}
    .news-body h3{font-size:1rem;font-weight:800;color:var(--text);line-height:1.4;margin:0 0 10px}
    .news-body h3 a{color:var(--text)}
    .news-body h3 a:hover{color:var(--brand-2)}
    .news-body p{font-size:.9rem;color:var(--muted);margin:0 0 16px;flex:1}
    .news-more{font-size:.86rem;font-weight:700;color:var(--brand-2);display:inline-flex;align-items:center;gap:6px}
    .empty-note{
        grid-column:1/-1;text-align:center;padding:44px 20px;border-radius:var(--radius);
        background:var(--glass-soft);border:1px dashed rgba(56,189,248,.28);color:var(--muted);
    }
    /* TRUST / SECURITY */
    .trust-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px}
    .trust-item{
        padding:22px 22px;border-radius:var(--radius-sm);
        background:var(--glass-soft);border:1px solid var(--line);
        display:flex;gap:14px;align-items:flex-start;
    }
    .trust-item i{font-size:1.3rem;color:#22C55E;margin-top:2px}
    .trust-item h4{font-size:.95rem;font-weight:800;color:var(--text);margin:0 0 6px}
    .trust-item p{font-size:.86rem;color:var(--muted);margin:0}
    /* FAQ */
    .faq-wrap{display:grid;gap:14px;max-width:900px}
    .faq-item{
        border-radius:var(--radius-sm);overflow:hidden;
        background:var(--glass-soft);border:1px solid var(--line);
    }
    .faq-q{
        width:100%;text-align:left;padding:20px 24px;background:transparent;border:0;cursor:pointer;
        display:flex;align-items:center;justify-content:space-between;gap:16px;
        font-size:.98rem;font-weight:700;color:var(--text);transition:color .25s ease;
    }
    .faq-q:hover{color:var(--brand-2)}
    .faq-q i{transition:transform .3s ease;color:var(--brand-2);flex-shrink:0}
    .faq-item.open .faq-q i{transform:rotate(180deg)}
    .faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;padding:0 24px}
    .faq-item.open .faq-a{max-height:400px;padding-bottom:22px}
    .faq-a p{font-size:.92rem;color:var(--muted);margin:0}
    /* CTA FORM */
    .cta-block{
        border-radius:var(--radius-lg);overflow:hidden;position:relative;
        padding:56px 44px;
        background:linear-gradient(140deg, rgba(37,99,235,.28), rgba(8,18,41,.9));
        border:1px solid var(--line-strong);
    }
    .cta-block h2{font-size:clamp(1.4rem,3vw,1.9rem);font-weight:900;color:var(--text);margin:0 0 12px;letter-spacing:-.5px}
    .cta-block p{color:var(--body);max-width:620px;margin:0 0 26px}
    .cta-form{display:flex;flex-wrap:wrap;gap:12px;max-width:640px}
    .cta-form input{
        flex:1 1 220px;padding:15px 18px;border-radius:999px;
        background:rgba(3,10,26,.72);border:1px solid rgba(96,165,250,.34);
        color:var(--text);font-size:.94rem;outline:none;transition:border-color .25s ease, box-shadow .25s ease;
    }
    .cta-form input::placeholder{color:var(--dim)}
    .cta-form input:focus{border-color:var(--brand-2);box-shadow:0 0 0 3px rgba(56,189,248,.18)}
    /* FOOTER */
    .site-footer{
        margin-top:60px;padding:64px 0 28px;
        background:linear-gradient(180deg, rgba(4,10,24,.35), rgba(3,7,18,.95));
        border-top:1px solid rgba(56,189,248,.14);
    }
    .footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
    .footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px}
    .footer-brand-name{font-weight:900;font-size:1rem;color:var(--text)}
    .footer-about{font-size:.9rem;color:var(--muted);margin:0 0 18px;max-width:420px}
    .footer-pay{display:flex;flex-wrap:wrap;gap:8px}
    .pay-chip{
        padding:6px 13px;border-radius:8px;font-size:.76rem;font-weight:700;color:#B6C6E0;
        background:rgba(56,189,248,.07);border:1px solid rgba(56,189,248,.20);
    }
    .footer-col h4{font-size:.9rem;font-weight:800;color:var(--text);margin:0 0 16px;letter-spacing:.3px}
    .footer-col ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
    .footer-col a{font-size:.88rem;color:var(--muted)}
    .footer-col a:hover{color:var(--brand-2)}
    .footer-bottom{
        margin-top:44px;padding-top:22px;border-top:1px solid rgba(56,189,248,.12);
        display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
        font-size:.82rem;color:var(--dim);
    }
    .footer-bottom .age{
        padding:4px 12px;border-radius:999px;font-weight:800;color:#FDE68A;
        background:rgba(251,191,36,.10);border:1px solid rgba(251,191,36,.28);
    }
    /* FAB */
    .fab{
        position:fixed;left:16px;bottom:96px;z-index:50;
        width:58px;height:58px;border-radius:50%;
        display:flex;align-items:center;justify-content:center;
        font-size:1.2rem;color:#03101f;cursor:pointer;border:0;
        background:linear-gradient(135deg,#7DD3FC,#38BDF8 45%,#2563EB);
        box-shadow:0 0 22px rgba(56,189,248,.5), 0 10px 30px rgba(2,10,30,.55);
        opacity:.82;transition:transform .28s ease, opacity .28s ease, box-shadow .28s ease;
        animation:fabFloat 3.2s ease-in-out infinite;
    }
    .fab:hover{opacity:1;transform:scale(1.1);box-shadow:0 0 34px rgba(56,189,248,.72)}
    .fab:active{transform:scale(.94) translateY(2px)}
    .fab .dot{
        position:absolute;top:4px;right:4px;width:13px;height:13px;border-radius:50%;
        background:#F43F5E;border:2px solid #030712;
        animation:fabPulse 1.6s ease-in-out infinite;
    }
    @keyframes fabFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}
    @keyframes fabPulse{0%,100%{box-shadow:0 0 0 0 rgba(244,63,94,.6)}50%{box-shadow:0 0 0 6px rgba(244,63,94,0)}}
    /* RESPONSIVE */
    @media (max-width:1024px){
        .main-nav{gap:18px;margin-left:20px}
        .nav-link{font-size:.86rem}
        .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
    }
    @media (max-width:860px){
        .nav-toggle{display:flex}
        .main-nav{
            position:absolute;top:72px;left:0;right:0;
            flex-direction:column;align-items:stretch;gap:0;
            margin:0;padding:14px 20px 20px;
            background:rgba(3,8,20,.98);
            -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
            border-bottom:1px solid rgba(56,189,248,.16);
            transform:translateY(-110%);opacity:0;pointer-events:none;
            transition:transform .32s ease, opacity .32s ease;
        }
        .main-nav.is-open{transform:translateY(0);opacity:1;pointer-events:auto}
        .nav-link{padding:13px 0;border-bottom:1px solid rgba(56,189,248,.08)}
        .nav-link::after{display:none}
        .page-hero{padding:126px 0 60px}
        .section-pad{padding:64px 0}
        .compare-row{grid-template-columns:1fr;gap:8px}
        .hero-stats{grid-template-columns:1fr}
    }
    @media (max-width:520px){
        .container-x{padding:0 16px}
        .nav-wrap{padding:0 16px}
        .brand-text{font-size:.9rem}
        .btn-ghost,.btn-solid{padding:8px 14px;font-size:.82rem}
        .page-hero h1{font-size:1.6rem}
        .btn-glow,.btn-outline{padding:13px 22px;font-size:.9rem;width:100%}
        .hero-cta{flex-direction:column;align-items:stretch}
        .footer-grid{grid-template-columns:1fr}
        .step-item{grid-template-columns:1fr;gap:12px}
        .cta-block{padding:40px 22px}
        .cta-form input{flex:1 1 100%}
        .fab{width:52px;height:52px;bottom:84px}
    }

/* roulang page: article */
:root{
  --bg-0:#030712;
  --bg-1:#081229;
  --bg-2:#0B1A38;
  --glass:linear-gradient(160deg, rgba(22,46,92,.62) 0%, rgba(7,16,36,.58) 100%);
  --glass-soft:linear-gradient(160deg, rgba(22,46,92,.44) 0%, rgba(7,16,36,.40) 100%);
  --line:rgba(56,189,248,.16);
  --line-strong:rgba(96,165,250,.34);
  --brand:#2563EB;
  --brand-2:#38BDF8;
  --brand-3:#60A5FA;
  --text:#F8FAFC;
  --body:#B6C6E0;
  --muted:#94A3B8;
  --dim:#64748B;
  --gold:#FBBF24;
  --green:#22C55E;
  --pink:#F43F5E;
  --radius:18px;
  --radius-sm:12px;
  --radius-lg:26px;
  --shadow:0 20px 55px rgba(2,10,30,.6);
  --glow:0 0 26px rgba(56,189,248,.35);
  --font:'Be Vietnam Pro', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--font);
  background-color:var(--bg-0);
  color:var(--body);
  font-size:16px;
  line-height:1.65;
  overflow-x:hidden;
  background-image:
    radial-gradient(1200px 620px at 10% -6%, rgba(37,99,235,.30), transparent 62%),
    radial-gradient(900px 520px at 92% 6%, rgba(56,189,248,.18), transparent 60%),
    linear-gradient(180deg,#030712 0%, #061027 46%, #030712 100%);
  background-attachment:fixed;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background-image:
    linear-gradient(rgba(56,189,248,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(56,189,248,.05) 1px, transparent 1px);
  background-size:58px 58px;
  -webkit-mask-image:radial-gradient(circle at 50% 0%, #000 0%, transparent 74%);
  mask-image:radial-gradient(circle at 50% 0%, #000 0%, transparent 74%);
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand-3);text-decoration:none;transition:color .25s ease}
a:hover{color:var(--brand-2)}
button{font-family:inherit}
.container-x{width:100%;max-width:1240px;margin:0 auto;padding:0 20px;position:relative;z-index:2}
main{position:relative;z-index:1}
section{position:relative}
/* ============ HEADER ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:rgba(4,10,24,.72);
  -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(56,189,248,.13);
  transition:background .3s ease, box-shadow .3s ease;
}
.site-header.scrolled{background:rgba(3,8,20,.94);box-shadow:0 14px 42px rgba(0,0,0,.55)}
.nav-wrap{display:flex;align-items:center;gap:16px;height:72px;width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:36px;height:36px;flex:0 0 36px;border-radius:11px;
  display:flex;align-items:center;justify-content:center;font-size:1rem;
  background:linear-gradient(140deg,#1D4ED8,#38BDF8);
  box-shadow:0 6px 20px rgba(56,189,248,.38);
}
.brand-text{
  font-weight:900;font-size:1.02rem;letter-spacing:-.4px;white-space:nowrap;
  background:linear-gradient(100deg,#F8FAFC 8%,#7DD3FC 58%,#38BDF8 100%);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
}
.main-nav{display:flex;align-items:center;gap:26px;margin-left:34px;flex:1 1 auto}
.nav-link{
  position:relative;padding:6px 0;font-size:.92rem;font-weight:600;
  color:#B6C6E0;white-space:nowrap;
}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--brand-2),var(--brand));
  transform:scaleX(0);transform-origin:left;transition:transform .28s ease;
}
.nav-link:hover{color:var(--text)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--brand-2)}
.nav-link.active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto;flex-shrink:0}
.btn-ghost{
  padding:9px 18px;border-radius:999px;font-size:.88rem;font-weight:700;
  color:#CFE4FF;border:1px solid rgba(96,165,250,.42);background:transparent;
  transition:all .25s ease;white-space:nowrap;
}
.btn-ghost:hover{color:#fff;border-color:var(--brand-2);box-shadow:0 0 18px rgba(56,189,248,.35);background:rgba(56,189,248,.08)}
.btn-solid{
  padding:9px 20px;border-radius:999px;font-size:.88rem;font-weight:800;
  color:#04101f;background:linear-gradient(135deg,#7DD3FC,#38BDF8 40%,#2563EB 100%);
  box-shadow:0 8px 24px rgba(37,99,235,.45);transition:all .25s ease;white-space:nowrap;
}
.btn-solid:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(56,189,248,.6);color:#04101f}
.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:42px;height:42px;border-radius:12px;border:1px solid rgba(96,165,250,.3);
  background:rgba(56,189,248,.07);cursor:pointer;padding:0 11px;
}
.nav-toggle span{display:block;height:2px;border-radius:2px;background:#9FD8FF;transition:.28s ease}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
/* ============ BUTTONS ============ */
.btn-glow{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:15px 32px;border-radius:999px;border:0;cursor:pointer;
  font-size:.98rem;font-weight:800;color:#03101f;letter-spacing:.1px;
  background:linear-gradient(135deg,#7DD3FC 0%,#38BDF8 42%,#2563EB 100%);
  box-shadow:0 12px 34px rgba(37,99,235,.5), 0 0 0 1px rgba(125,211,252,.5) inset;
  transition:transform .28s cubic-bezier(.2,.7,.3,1), box-shadow .28s ease;
}
.btn-glow:hover{transform:translateY(-3px);color:#03101f;box-shadow:0 18px 44px rgba(56,189,248,.62)}
.btn-glow:active{transform:translateY(0) scale(.98)}
.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:15px 30px;border-radius:999px;cursor:pointer;
  font-size:.98rem;font-weight:700;color:#D8EBFF;
  background:rgba(56,189,248,.07);border:1px solid rgba(96,165,250,.45);
  transition:all .28s ease;
}
.btn-outline:hover{color:#fff;border-color:var(--brand-2);background:rgba(56,189,248,.14);box-shadow:0 0 24px rgba(56,189,248,.32)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:999px;
  font-size:.74rem;font-weight:800;letter-spacing:1.2px;text-transform:uppercase;
  color:#7DD3FC;background:rgba(56,189,248,.09);
  border:1px solid rgba(56,189,248,.22);
}
/* ============ ARTICLE HERO ============ */
.article-hero{
  padding:150px 0 64px;
  background:radial-gradient(900px 460px at 78% 20%, rgba(37,99,235,.24), transparent 58%),
             radial-gradient(700px 400px at 10% 0%, rgba(56,189189,248,.16), transparent 60%);
  border-bottom:1px solid rgba(56,189,248,.1);
  overflow:hidden;
}
.article-hero::after{
  content:"";position:absolute;inset:0;z-index:0;opacity:.16;
  background:url('/assets/images/b9c158631216a72a.jpg') center/cover no-repeat;
  -webkit-mask-image:linear-gradient(180deg, rgba(0,0,0,.9), transparent 90%);
  mask-image:linear-gradient(180deg, rgba(0,0,0,.9), transparent 90%);
}
.article-hero .container-x{position:relative;z-index:2}
.breadcrumb-x{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:.82rem;color:var(--muted);margin-bottom:20px}
.breadcrumb-x a{color:#9FD8FF}
.breadcrumb-x span.sep{color:var(--dim)}
.article-title{
  font-size:clamp(1.6rem, 3.4vw, 2.7rem);
  font-weight:900;line-height:1.24;letter-spacing:-.6px;color:var(--text);
  margin:16px 0 18px;max-width:900px;
}
.article-lede{font-size:1.04rem;max-width:820px;color:var(--body);margin-bottom:26px}
.article-meta{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.meta-chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:999px;font-size:.8rem;font-weight:600;
  color:#CFE4FF;background:var(--glass-soft);border:1px solid var(--line);
}
.meta-chip strong{color:var(--brand-2);font-weight:800}
/* ============ ARTICLE LAYOUT ============ */
.article-body{padding:64px 0 40px}
.layout-grid{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:44px;align-items:start}
.article-main{min-width:0}
.article-content{max-width:760px}
.article-content h2{
  font-size:clamp(1.3rem,2.2vw,1.7rem);font-weight:800;color:var(--text);
  line-height:1.32;margin:52px 0 18px;letter-spacing:-.4px;
  padding-left:16px;border-left:4px solid var(--brand-2);
}
.article-content h3{
  font-size:1.16rem;font-weight:700;color:#E4F1FF;margin:34px 0 14px;line-height:1.4;
}
.article-content p{margin-bottom:18px;color:var(--body);line-height:1.75}
.article-content ul,.article-content ol{margin:0 0 22px;padding-left:22px}
.article-content li{margin-bottom:10px;color:var(--body);line-height:1.7}
.article-content li::marker{color:var(--brand-2);font-weight:700}
.article-content strong{color:#EAF4FF;font-weight:700}
.article-content a{color:var(--brand-2);text-decoration:underline;text-decoration-color:rgba(56,189,248,.35);text-underline-offset:3px}
.article-content a:hover{color:#fff;text-decoration-color:#fff}
.article-content blockquote{
  margin:26px 0;padding:20px 24px;border-left:4px solid var(--gold);
  background:var(--glass-soft);border-radius:var(--radius-sm);color:#DCE8FA;font-style:italic;
}
.article-content img{border-radius:var(--radius);margin:26px 0;box-shadow:var(--shadow);border:1px solid var(--line)}
.article-content table{width:100%;border-collapse:collapse;margin:26px 0;font-size:.93rem;display:block;overflow-x:auto}
.article-content th,.article-content td{padding:13px 16px;border:1px solid var(--line);text-align:left}
.article-content th{background:rgba(56,189,248,.1);color:#EAF4FF;font-weight:700}
.article-content tr:nth-child(even) td{background:rgba(11,26,56,.4)}
.article-content h4{font-size:1.02rem;font-weight:700;color:#E4F1FF;margin:24px 0 10px}
/* 内容未找到状态 */
.not-found{
  padding:40px 0;text-align:left;max-width:640px;
}
.not-found .nf-icon{font-size:2.4rem;margin-bottom:14px}
.not-found h2{font-size:1.5rem;font-weight:800;color:var(--text);margin-bottom:12px}
.not-found p{color:var(--body);margin-bottom:22px}
/* ============ SIDEBAR ============ */
.side-col{position:sticky;top:96px;display:flex;flex-direction:column;gap:22px}
.side-card{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow);
}
.side-card h3{
  font-size:1rem;font-weight:800;color:var(--text);margin-bottom:16px;
  padding-bottom:12px;border-bottom:1px solid var(--line);letter-spacing:-.2px;
}
.side-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:14px}
.side-list li{display:flex;gap:12px;align-items:flex-start}
.side-list .num{
  flex:0 0 30px;height:30px;border-radius:9px;display:flex;align-items:center;justify-content:center;
  font-size:.8rem;font-weight:800;color:#03101f;
  background:linear-gradient(135deg,#7DD3FC,#38BDF8);
}
.side-list .txt{font-size:.9rem;color:var(--body);line-height:1.5}
.side-list .txt strong{color:#EAF4FF;display:block;font-size:.93rem;margin-bottom:2px}
.side-cta{
  background:linear-gradient(160deg, rgba(37,99,235,.42) 0%, rgba(7,16,36,.7) 100%);
  border:1px solid var(--line-strong);border-radius:var(--radius);
  padding:24px;text-align:center;box-shadow:var(--shadow);
}
.side-cta .sc-ic{font-size:2rem;margin-bottom:10px}
.side-cta h3{font-size:1.05rem;font-weight:800;color:var(--text);margin-bottom:10px}
.side-cta p{font-size:.88rem;color:var(--body);margin-bottom:18px;line-height:1.6}
.side-cta .btn-glow{width:100%;padding:13px 18px;font-size:.9rem}
.side-pay{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:16px}
.side-pay span{
  font-size:.72rem;font-weight:700;padding:5px 12px;border-radius:999px;
  color:#CFE4FF;background:rgba(56,189,248,.1);border:1px solid var(--line);
}
/* ============ 通用板块 ============ */
.sec{padding:70px 0}
.sec-tight{padding:52px 0}
.sec-head{margin-bottom:38px;max-width:760px}
.sec-head h2{
  font-size:clamp(1.4rem,2.6vw,2rem);font-weight:900;color:var(--text);
  letter-spacing:-.6px;line-height:1.25;margin:14px 0 12px;
}
.sec-head p{color:var(--body);font-size:.98rem;margin:0}
.sec-divider{height:1px;background:linear-gradient(90deg, transparent, rgba(56,189,248,.28), transparent)}
/* 指标看板 */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.metric-card{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 20px;transition:transform .3s ease, border-color .3s ease;
}
.metric-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--glow)}
.metric-num{
  font-size:1.85rem;font-weight:900;letter-spacing:-1px;line-height:1.1;
  background:linear-gradient(120deg,#7DD3FC,#38BDF8 55%,#2563EB);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent;
}
.metric-label{font-size:.85rem;color:var(--muted);margin-top:6px;font-weight:600}
/* 服务矩阵 */
.matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.mx-card{
  position:relative;overflow:hidden;
  background:var(--glass);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;transition:transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.mx-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,var(--brand-2),var(--brand));
  transform:scaleX(0);transform-origin:left;transition:transform .35s ease;
}
.mx-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:var(--shadow)}
.mx-card:hover::before{transform:scaleX(1)}
.mx-ic{
  width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  font-size:1.4rem;margin-bottom:16px;
  background:linear-gradient(140deg, rgba(56,189,248,.2), rgba(37,99,235,.14));
  border:1px solid var(--line-strong);
}
.mx-card h3{font-size:1.06rem;font-weight:800;color:var(--text);margin-bottom:10px}
.mx-card p{font-size:.91rem;color:var(--body);margin:0;line-height:1.65}
/* 结果对比 */
.compare{width:100%;border-collapse:separate;border-spacing:0;font-size:.92rem}
.compare thead th{
  background:linear-gradient(160deg, rgba(37,99,235,.34), rgba(7,16,36,.6));
  color:#EAF4FF;font-weight:800;padding:16px 18px;text-align:left;
  border-bottom:1px solid var(--line-strong);
}
.compare thead th:first-child{border-radius:var(--radius) 0 0 0}
.compare thead th:last-child{border-radius:0 var(--radius) 0 0}
.compare tbody td{padding:15px 18px;border-bottom:1px solid var(--line);color:var(--body);vertical-align:middle}
.compare tbody tr{transition:background .25s ease}
.compare tbody tr:hover{background:rgba(56,189,248,.06)}
.compare .pos{color:var(--green);font-weight:700}
.compare .neg{color:var(--pink);font-weight:700}
.compare-wrap{overflow-x:auto;background:var(--glass-soft);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.badge-pill{
  display:inline-flex;align-items:center;gap:6px;padding:5px 13px;border-radius:999px;
  font-size:.74rem;font-weight:800;letter-spacing:.3px;
}
.badge-pill.green{color:#052e16;background:linear-gradient(135deg,#4ADE80,#22C55E)}
.badge-pill.gold{color:#3b2604;background:linear-gradient(135deg,#FDE68A,#FBBF24)}
.badge-pill.blue{color:#04101f;background:linear-gradient(135deg,#7DD3FC,#38BDF8)}
/* 里程碑 / 时间线 */
.timeline{position:relative;padding-left:34px}
.timeline::before{
  content:"";position:absolute;left:11px;top:6px;bottom:6px;width:2px;
  background:linear-gradient(180deg, var(--brand-2), rgba(56,189,248,.08));
}
.tl-item{position:relative;margin-bottom:30px}
.tl-item:last-child{margin-bottom:0}
.tl-item::before{
  content:"";position:absolute;left:-30px;top:5px;width:14px;height:14px;border-radius:50%;
  background:var(--bg-1);border:2px solid var(--brand-2);box-shadow:0 0 12px rgba(56,189,248,.6);
}
.tl-item h4{font-size:1rem;font-weight:800;color:var(--text);margin-bottom:6px}
.tl-item p{font-size:.9rem;color:var(--body);margin:0}
.tl-item .tl-time{font-size:.76rem;font-weight:700;color:var(--brand-2);letter-spacing:.6px;text-transform:uppercase;margin-bottom:4px}
/* 资讯列表 */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.news-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--glass);border:1px solid var(--line);border-radius:var(--radius);
  transition:transform .3s ease, box-shadow .3s ease, border-color .3s ease;height:100%;
}
.news-card:hover{transform:translateY(-6px);border-color:var(--line-strong);box-shadow:var(--shadow)}
.news-thumb{position:relative;aspect-ratio:16/10;overflow:hidden}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.news-card:hover .news-thumb img{transform:scale(1.06)}
.news-thumb .tag{
  position:absolute;top:12px;left:12px;z-index:2;
  font-size:.7rem;font-weight:800;letter-spacing:.5px;padding:5px 12px;border-radius:999px;
  color:#04101f;background:linear-gradient(135deg,#7DD3FC,#38BDF8);
}
.news-body{padding:20px;display:flex;flex-direction:column;flex:1 1 auto}
.news-body h3{font-size:1.02rem;font-weight:800;color:var(--text);line-height:1.4;margin-bottom:10px}
.news-body p{font-size:.89rem;color:var(--body);margin:0 0 16px;flex:1 1 auto}
.news-link{font-size:.85rem;font-weight:800;color:var(--brand-2);display:inline-flex;align-items:center;gap:6px}
.news-card:hover .news-link{color:#fff;gap:10px}
/* 平台保障 */
.guard-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.guard-item{
  background:var(--glass-soft);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 20px;text-align:left;transition:border-color .3s ease, transform .3s ease;
}
.guard-item:hover{border-color:var(--line-strong);transform:translateY(-4px)}
.guard-item .gi-ic{font-size:1.7rem;margin-bottom:12px}
.guard-item h4{font-size:.98rem;font-weight:800;color:var(--text);margin-bottom:8px}
.guard-item p{font-size:.86rem;color:var(--muted);margin:0;line-height:1.6}
/* 快速解答 */
.quick-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.quick-item{
  border-left:3px solid var(--brand-2);padding:4px 0 4px 18px;
}
.quick-item h4{font-size:.98rem;font-weight:800;color:var(--text);margin-bottom:8px}
.quick-item p{font-size:.89rem;color:var(--body);margin:0}
/* FAQ */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:900px}
.faq-item{
  background:var(--glass);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:border-color .3s ease;
}
.faq-item[open]{border-color:var(--line-strong)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 24px;
  font-size:.99rem;font-weight:700;color:var(--text);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";flex:0 0 auto;font-size:1.3rem;font-weight:400;color:var(--brand-2);
  transition:transform .3s ease;line-height:1;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item .faq-a{padding:0 24px 22px;font-size:.92rem;color:var(--body);line-height:1.72}
/* 转化区 */
.cta-band{
  position:relative;overflow:hidden;
  background:linear-gradient(140deg, rgba(37,99,235,.34), rgba(7,16,36,.72));
  border:1px solid var(--line-strong);border-radius:var(--radius-lg);
  padding:48px 44px;box-shadow:var(--shadow);
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle, rgba(56,189,248,.32), transparent 70%);
}
.cta-band h2{font-size:clamp(1.4rem,2.6vw,2rem);font-weight:900;color:var(--text);letter-spacing:-.5px;margin-bottom:14px;line-height:1.28;position:relative;z-index:2}
.cta-band p{font-size:.98rem;color:var(--body);max-width:640px;margin-bottom:26px;position:relative;z-index:2}
.cta-form{display:flex;flex-wrap:wrap;gap:12px;max-width:560px;position:relative;z-index:2}
.cta-form input{
  flex:1 1 220px;padding:14px 18px;border-radius:999px;
  background:rgba(3,8,20,.6);border:1px solid var(--line-strong);color:var(--text);
  font-size:.93rem;outline:none;transition:border-color .25s ease, box-shadow .25s ease;
}
.cta-form input::placeholder{color:var(--dim)}
.cta-form input:focus{border-color:var(--brand-2);box-shadow:0 0 0 3px rgba(56,189,248,.2)}
.cta-note{font-size:.8rem;color:var(--muted);margin-top:16px;position:relative;z-index:2}
/* 相关阅读 */
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.rel-card{
  background:var(--glass-soft);border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;transition:transform .3s ease, border-color .3s ease;
}
.rel-card:hover{transform:translateY(-4px);border-color:var(--line-strong)}
.rel-card .rc-cat{font-size:.74rem;font-weight:800;letter-spacing:.6px;text-transform:uppercase;color:var(--brand-2);margin-bottom:10px;display:block}
.rel-card h3{font-size:.98rem;font-weight:800;color:var(--text);line-height:1.42;margin-bottom:0}
/* ============ FOOTER ============ */
.site-footer{
  position:relative;z-index:2;margin-top:40px;
  background:linear-gradient(180deg, rgba(3,8,20,.6), rgba(3,7,18,.98));
  border-top:1px solid rgba(56,189,248,.14);padding:56px 0 26px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px;margin-bottom:38px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand-name{
  font-weight:900;font-size:1rem;color:var(--text);letter-spacing:-.3px;
}
.footer-about{font-size:.88rem;color:var(--muted);line-height:1.7;margin-bottom:18px}
.footer-pay{display:flex;flex-wrap:wrap;gap:8px}
.pay-chip{
  font-size:.72rem;font-weight:700;padding:5px 12px;border-radius:999px;
  color:#CFE4FF;background:rgba(56,189,248,.09);border:1px solid var(--line);
}
.footer-col h4{font-size:.92rem;font-weight:800;color:var(--text);margin-bottom:16px;letter-spacing:-.2px}
.footer-col ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:.87rem;color:var(--muted)}
.footer-col a:hover{color:var(--brand-2)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  padding-top:22px;border-top:1px solid rgba(56,189,248,.12);
  font-size:.8rem;color:var(--dim);
}
.footer-bottom .age{font-weight:700;color:var(--muted)}
/* ============ FAB ============ */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:900;
  width:56px;height:56px;border-radius:50%;border:0;cursor:pointer;
  display:flex;align-items:center;justify-content:center;font-size:1.35rem;
  background:linear-gradient(135deg,#7DD3FC,#38BDF8 45%,#2563EB);
  box-shadow:0 0 22px rgba(56,189,248,.5);opacity:.85;
  animation:fabFloat 3.2s ease-in-out infinite;
  transition:transform .25s ease, opacity .25s ease;
}
.fab:hover{opacity:1;transform:scale(1.1)}
.fab:active{transform:scale(.95)}
.fab::after{
  content:"";position:absolute;top:2px;right:2px;width:13px;height:13px;border-radius:50%;
  background:var(--pink);box-shadow:0 0 0 2px rgba(3,7,18,.9);
  animation:fabPulse 1.8s ease-in-out infinite;
}
@keyframes fabFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}
@keyframes fabPulse{0%,100%{opacity:1}50%{opacity:.35}}
/* ============ RESPONSIVE ============ */
@media (max-width:1100px){
  .layout-grid{grid-template-columns:minmax(0,1fr) 300px;gap:32px}
  .metrics{grid-template-columns:repeat(2,1fr)}
  .guard-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:992px){
  .main-nav{
    position:fixed;top:72px;left:0;right:0;
    flex-direction:column;align-items:flex-start;gap:0;
    background:rgba(3,8,20,.98);
    -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
    border-bottom:1px solid var(--line);
    padding:0 20px;max-height:0;overflow:hidden;transition:max-height .35s ease, padding .35s ease;
  }
  .main-nav.open{max-height:420px;padding:14px 20px 22px}
  .nav-link{width:100%;padding:13px 0;font-size:1rem;border-bottom:1px solid rgba(56,189,248,.08)}
  .nav-link::after{display:none}
  .nav-toggle{display:flex}
  .layout-grid{grid-template-columns:1fr}
  .side-col{position:static}
  .matrix{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .quick-grid{grid-template-columns:repeat(2,1fr)}
  .rel-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:768px){
  .article-hero{padding:128px 0 48px}
  .sec{padding:52px 0}
  .cta-band{padding:36px 26px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
  .compare thead th,.compare tbody td{padding:12px 14px;font-size:.86rem}
  .quick-grid{grid-template-columns:1fr}
}
@media (max-width:520px){
  body{font-size:15px}
  .article-title{font-size:1.5rem}
  .metrics,.matrix,.guard-grid,.news-grid,.rel-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .brand-text{font-size:.9rem;white-space:normal}
  .nav-actions .btn-ghost{padding:8px 12px;font-size:.8rem}
  .nav-actions .btn-solid{padding:8px 13px;font-size:.8rem}
  .cta-form input{flex:1 1 100%}
  .cta-form .btn-glow{width:100%}
  .fab{left:12px;bottom:80px;width:52px;height:52px}
}

/* roulang page: category3 */
:root{
  --bg-0:#030712;
  --bg-1:#081229;
  --bg-2:#0B1A38;
  --glass:linear-gradient(160deg, rgba(22,46,92,.62) 0%, rgba(7,16,36,.58) 100%);
  --glass-soft:linear-gradient(160deg, rgba(22,46,92,.44) 0%, rgba(7,16,36,.40) 100%);
  --line:rgba(56,189,248,.16);
  --line-strong:rgba(96,165,250,.34);
  --brand:#2563EB;
  --brand-2:#38BDF8;
  --brand-3:#60A5FA;
  --text:#F8FAFC;
  --body:#B6C6E0;
  --muted:#94A3B8;
  --dim:#64748B;
  --gold:#FBBF24;
  --green:#22C55E;
  --pink:#F43F5E;
  --radius:18px;
  --radius-sm:12px;
  --radius-lg:26px;
  --shadow:0 20px 55px rgba(2,10,30,.6);
  --glow:0 0 26px rgba(56,189,248,.35);
  --font:'Be Vietnam Pro', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  background-color:var(--bg-0);
  color:var(--body);
  font-size:16px;
  line-height:1.65;
  overflow-x:hidden;
  background-image:
    radial-gradient(1200px 620px at 10% -6%, rgba(37,99,235,.30), transparent 62%),
    radial-gradient(900px 520px at 92% 6%, rgba(56,189,248,.18), transparent 60%),
    linear-gradient(180deg,#030712 0%, #061027 46%, #030712 100%);
  background-attachment:fixed;
}
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:0;
  background-image:
    linear-gradient(rgba(56,189,248,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(56,189,248,.05) 1px, transparent 1px);
  background-size:58px 58px;
  -webkit-mask-image:radial-gradient(circle at 50% 0%, #000 0%, transparent 74%);
  mask-image:radial-gradient(circle at 50% 0%, #000 0%, transparent 74%);
}
h1,h2,h3,h4{margin:0;color:var(--text);font-weight:800;line-height:1.25;letter-spacing:-.4px}
p{margin:0 0 14px}
ul{margin:0;padding:0;list-style:none}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand-3);text-decoration:none;transition:color .25s ease}
a:hover{color:var(--brand-2)}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--brand-2);outline-offset:3px;border-radius:8px}
.container-x{width:100%;max-width:1240px;margin:0 auto;padding:0 20px;position:relative;z-index:2}
main{position:relative;z-index:1}
section{position:relative;padding:86px 0}
.section-alt{
  background:linear-gradient(180deg, rgba(8,18,41,.55) 0%, rgba(3,7,18,.25) 100%);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.sec-head{max-width:780px;margin-bottom:38px;text-align:left}
.sec-head h2{font-size:clamp(1.5rem,3.1vw,2.25rem);margin:14px 0 12px}
.sec-head p{font-size:1rem;color:var(--body);margin:0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:999px;
  font-size:.72rem;font-weight:800;letter-spacing:1.3px;text-transform:uppercase;
  color:#9FD8FF;background:rgba(56,189,248,.10);
  border:1px solid rgba(96,165,250,.32);
}
.anchor-pos{display:block;position:relative;top:-110px;visibility:hidden}
/* ============ HEADER ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:rgba(4,10,24,.72);
  -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(56,189,248,.13);
  transition:background .3s ease, box-shadow .3s ease;
}
.site-header.scrolled{background:rgba(3,8,20,.94);box-shadow:0 14px 42px rgba(0,0,0,.55)}
.nav-wrap{display:flex;align-items:center;gap:16px;height:72px;width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:36px;height:36px;flex:0 0 36px;border-radius:11px;
  display:flex;align-items:center;justify-content:center;font-size:1rem;
  background:linear-gradient(140deg,#1D4ED8,#38BDF8);
  box-shadow:0 6px 20px rgba(56,189,248,.38);
}
.brand-text{
  font-weight:900;font-size:1.02rem;letter-spacing:-.4px;white-space:nowrap;
  background:linear-gradient(100deg,#F8FAFC 8%,#7DD3FC 58%,#38BDF8 100%);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
}
.main-nav{display:flex;align-items:center;gap:26px;margin-left:34px;flex:1 1 auto}
.nav-link{position:relative;padding:6px 0;font-size:.92rem;font-weight:600;color:#B6C6E0;white-space:nowrap}
.nav-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--brand-2),var(--brand));
  transform:scaleX(0);transform-origin:left;transition:transform .28s ease;
}
.nav-link:hover{color:var(--text)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--brand-2)}
.nav-link.active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto;flex-shrink:0}
.btn-ghost{
  padding:9px 18px;border-radius:999px;font-size:.88rem;font-weight:700;
  color:#CFE4FF;border:1px solid rgba(96,165,250,.42);background:transparent;
  transition:all .25s ease;white-space:nowrap;
}
.btn-ghost:hover{color:#fff;border-color:var(--brand-2);box-shadow:0 0 18px rgba(56,189,248,.35);background:rgba(56,189,248,.08)}
.btn-solid{
  padding:9px 20px;border-radius:999px;font-size:.88rem;font-weight:800;
  color:#04101f;background:linear-gradient(135deg,#7DD3FC,#38BDF8 40%,#2563EB 100%);
  box-shadow:0 8px 24px rgba(37,99,235,.45);transition:all .25s ease;white-space:nowrap;
}
.btn-solid:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(56,189,248,.6);color:#04101f}
.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:42px;height:42px;border-radius:12px;border:1px solid rgba(96,165,250,.3);
  background:rgba(56,189,248,.07);cursor:pointer;padding:0 11px;
}
.nav-toggle span{display:block;height:2px;border-radius:2px;background:#9FD8FF;transition:.28s ease}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
/* ============ BUTTONS ============ */
.btn-glow{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:15px 32px;border-radius:999px;border:0;cursor:pointer;
  font-size:.98rem;font-weight:800;color:#03101f;letter-spacing:.1px;
  background:linear-gradient(135deg,#7DD3FC 0%,#38BDF8 42%,#2563EB 100%);
  box-shadow:0 12px 34px rgba(37,99,235,.5), 0 0 0 1px rgba(125,211,252,.5) inset;
  transition:transform .28s cubic-bezier(.2,.7,.3,1), box-shadow .28s ease;
}
.btn-glow:hover{transform:translateY(-3px);color:#03101f;box-shadow:0 18px 44px rgba(56,189,248,.62)}
.btn-glow:active{transform:translateY(0) scale(.98)}
.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  padding:15px 30px;border-radius:999px;cursor:pointer;
  font-size:.98rem;font-weight:700;color:#D8EBFF;
  background:rgba(56,189,248,.07);border:1px solid rgba(96,165,250,.45);
  transition:all .28s ease;
}
.btn-outline:hover{color:#fff;border-color:var(--brand-2);background:rgba(56,189,248,.14);box-shadow:0 0 24px rgba(56,189,248,.32)}
/* ============ HERO ============ */
.cat-hero{padding-top:130px;padding-bottom:64px}
.hero-shell{display:grid;grid-template-columns:1.12fr .88fr;gap:38px;align-items:start}
.hero-copy h1{font-size:clamp(1.72rem,3.6vw,2.62rem);margin:18px 0 16px}
.hero-copy h1 span.hl{
  background:linear-gradient(100deg,#7DD3FC,#38BDF8 45%,#60A5FA 100%);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent;
}
.hero-lead{font-size:1.03rem;color:#C6D6EE;max-width:640px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px}
.status-bar{
  display:flex;flex-wrap:wrap;gap:10px 26px;margin-top:30px;padding:16px 20px;
  border-radius:var(--radius);background:var(--glass-soft);
  border:1px solid var(--line);box-shadow:var(--shadow);
}
.status-item{display:flex;align-items:center;gap:9px;font-size:.86rem;font-weight:600;color:#CFE4FF}
.dot-live{width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 0 4px rgba(34,197,94,.16);animation:pulse 1.9s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.55;transform:scale(.86)}}
.icon-matrix{
  display:grid;grid-template-columns:repeat(3,1fr);gap:12px;padding:22px;
  border-radius:var(--radius-lg);background:var(--glass);
  border:1px solid var(--line);box-shadow:var(--shadow);
}
.matrix-tile{
  display:flex;flex-direction:column;gap:6px;padding:16px 12px;border-radius:var(--radius-sm);
  background:rgba(3,10,26,.55);border:1px solid rgba(96,165,250,.2);
  transition:transform .3s ease, border-color .3s ease, box-shadow .3s ease;
}
.matrix-tile:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--glow)}
.matrix-ico{font-size:1.35rem;line-height:1}
.matrix-tile b{font-size:.86rem;color:#E6F2FF;font-weight:700}
.matrix-tile small{font-size:.72rem;color:var(--muted);letter-spacing:.3px}
.matrix-note{margin-top:14px;font-size:.82rem;color:var(--muted);text-align:left}
/* ============ STATS ============ */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stat-card{
  padding:24px 22px;border-radius:var(--radius);background:var(--glass);
  border:1px solid var(--line);box-shadow:var(--shadow);transition:transform .3s ease,border-color .3s ease;
}
.stat-card:hover{transform:translateY(-5px);border-color:var(--line-strong)}
.stat-num{font-size:2rem;font-weight:900;letter-spacing:-1px;color:#fff;line-height:1.1}
.stat-num em{font-style:normal;font-size:1rem;color:var(--brand-2);font-weight:800;margin-left:4px}
.stat-label{margin-top:8px;font-size:.85rem;color:var(--muted)}
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:34px;align-items:center;margin-top:44px}
.split-media img{border-radius:var(--radius-lg);border:1px solid var(--line);box-shadow:var(--shadow);width:100%;object-fit:cover}
.tick-list li{position:relative;padding-left:26px;margin-bottom:12px;font-size:.95rem;color:#C6D6EE}
.tick-list li::before{
  content:"✓";position:absolute;left:0;top:0;width:18px;height:18px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;font-size:.68rem;font-weight:900;
  color:#04101f;background:linear-gradient(135deg,#7DD3FC,#38BDF8);
}
/* ============ GAME CARDS ============ */
.gcard{
  height:100%;border-radius:var(--radius);overflow:hidden;background:var(--glass-soft);
  border:1px solid var(--line);transition:transform .32s ease,border-color .32s ease,box-shadow .32s ease;
  display:flex;flex-direction:column;
}
.gcard:hover{transform:translateY(-6px);border-color:var(--line-strong);box-shadow:0 22px 50px rgba(2,10,30,.65)}
.gcard-media{position:relative;aspect-ratio:16/9;overflow:hidden}
.gcard-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.gcard:hover .gcard-media img{transform:scale(1.06)}
.gcard-tag{
  position:absolute;top:12px;left:12px;padding:5px 12px;border-radius:999px;
  font-size:.68rem;font-weight:800;letter-spacing:.8px;text-transform:uppercase;
  color:#04101f;background:linear-gradient(135deg,#7DD3FC,#38BDF8);
}
.gcard-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.gcard-body h3{font-size:1.08rem}
.gcard-body p{font-size:.9rem;color:var(--muted);margin:0}
.gcard-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:6px}
.chip{
  padding:5px 12px;border-radius:999px;font-size:.72rem;font-weight:700;
  color:#9FD8FF;background:rgba(56,189,248,.10);border:1px solid rgba(96,165,250,.28);
}
.chip-gold{color:#FDE68A;background:rgba(251,191,36,.10);border-color:rgba(251,191,36,.3)}
/* ============ RANK LIST ============ */
.rank-list{display:flex;flex-direction:column;gap:12px}
.rank-row{
  display:grid;grid-template-columns:58px 1.5fr 1fr 1fr auto;gap:16px;align-items:center;
  padding:16px 22px;border-radius:var(--radius);background:var(--glass-soft);
  border:1px solid var(--line);transition:transform .28s ease,border-color .28s ease,background .28s ease;
}
.rank-row:hover{transform:translateX(6px);border-color:var(--line-strong);background:var(--glass)}
.rank-no{
  width:44px;height:44px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  font-weight:900;font-size:1rem;color:#04101f;background:linear-gradient(140deg,#7DD3FC,#2563EB);
  box-shadow:0 8px 22px rgba(37,99,235,.4);
}
.rank-main b{display:block;font-size:.98rem;color:#EAF3FF;font-weight:700}
.rank-main small{font-size:.78rem;color:var(--muted)}
.rank-cell{font-size:.85rem;color:#C6D6EE}
.rank-cell i{font-style:normal;display:block;font-size:.72rem;color:var(--dim);text-transform:uppercase;letter-spacing:.6px}
.rank-badge{
  padding:7px 14px;border-radius:999px;font-size:.74rem;font-weight:800;white-space:nowrap;
  color:#BBF7D0;background:rgba(34,197,94,.12);border:1px solid rgba(34,197,94,.32);
}
.rank-badge.hot{color:#FECDD3;background:rgba(244,63,94,.12);border-color:rgba(244,63,94,.34)}
/* ============ CODE OFFERS ============ */
.code-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.code-card{
  position:relative;padding:26px 24px;border-radius:var(--radius-lg);
  background:var(--glass);border:1px solid var(--line);box-shadow:var(--shadow);
  display:flex;flex-direction:column;gap:12px;transition:transform .3s ease,border-color .3s ease;
}
.code-card:hover{transform:translateY(-6px);border-color:var(--line-strong)}
.code-card::before{
  content:"";position:absolute;inset:0;border-radius:var(--radius-lg);pointer-events:none;
  background:linear-gradient(140deg, rgba(56,189,248,.16), transparent 55%);
}
.code-value{font-size:1.75rem;font-weight:900;letter-spacing:-.8px;color:#fff}
.code-value span{font-size:.9rem;color:var(--brand-2);font-weight:800}
.code-card h3{font-size:1.05rem}
.code-card ul li{position:relative;padding-left:18px;font-size:.88rem;color:var(--muted);margin-bottom:8px}
.code-card ul li::before{content:"•";position:absolute;left:2px;color:var(--brand-2);font-weight:900}
.code-cta{
  margin-top:auto;display:inline-flex;align-items:center;justify-content:center;
  padding:12px 20px;border-radius:999px;font-size:.88rem;font-weight:800;
  color:#D8EBFF;background:rgba(56,189,248,.10);border:1px solid rgba(96,165,250,.4);
  transition:all .25s ease;
}
.code-cta:hover{color:#04101f;background:linear-gradient(135deg,#7DD3FC,#38BDF8);border-color:transparent}
/* ============ FLOW ============ */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.flow-step{
  padding:24px 22px;border-radius:var(--radius);background:var(--glass-soft);
  border:1px solid var(--line);position:relative;transition:transform .3s ease,border-color .3s ease;
}
.flow-step:hover{transform:translateY(-5px);border-color:var(--line-strong)}
.flow-step::after{
  content:"";position:absolute;top:38px;right:-12px;width:24px;height:2px;
  background:linear-gradient(90deg,var(--brand-2),transparent);
}
.flow-step:last-child::after{display:none}
.flow-no{
  width:38px;height:38px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  font-weight:900;color:#04101f;background:linear-gradient(140deg,#7DD3FC,#38BDF8);margin-bottom:14px;
}
.flow-step h3{font-size:1rem;margin-bottom:8px}
.flow-step p{font-size:.88rem;color:var(--muted);margin:0}
/* ============ NEWS ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.news-card{
  display:flex;flex-direction:column;gap:10px;padding:24px 22px;border-radius:var(--radius);
  background:var(--glass-soft);border:1px solid var(--line);transition:transform .3s ease,border-color .3s ease;
}
.news-card:hover{transform:translateY(-6px);border-color:var(--line-strong)}
.news-chip{
  align-self:flex-start;padding:5px 12px;border-radius:999px;font-size:.7rem;font-weight:800;
  letter-spacing:.7px;text-transform:uppercase;color:#9FD8FF;
  background:rgba(56,189,248,.10);border:1px solid rgba(96,165,250,.28);
}
.news-title{font-size:1.02rem;color:#EAF3FF;line-height:1.4}
.news-desc{font-size:.88rem;color:var(--muted);margin:0}
.news-meta{font-size:.76rem;color:var(--dim);margin-top:auto}
.news-empty{
  padding:26px 24px;border-radius:var(--radius);background:var(--glass-soft);
  border:1px dashed rgba(96,165,250,.35);color:var(--muted);font-size:.92rem;
}
/* ============ FAQ ============ */
.faq-wrap{display:grid;grid-template-columns:.85fr 1.15fr;gap:34px;align-items:start}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{
  border-radius:var(--radius);background:var(--glass-soft);border:1px solid var(--line);
  overflow:hidden;transition:border-color .28s ease,background .28s ease;
}
.faq-item[open]{border-color:var(--line-strong);background:var(--glass)}
.faq-item summary{
  cursor:pointer;list-style:none;padding:18px 22px;font-size:.98rem;font-weight:700;color:#EAF3FF;
  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:1.15rem;font-weight:900;color:var(--brand-2);transition:transform .28s ease;
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-body{padding:0 22px 20px;font-size:.92rem;color:var(--muted)}
/* ============ CTA BAND ============ */
.cta-band{
  background-image:linear-gradient(120deg, rgba(3,7,18,.92) 0%, rgba(6,20,46,.88) 52%, rgba(3,7,18,.94) 100%), url('/assets/images/b9c158631216a72a.jpg');
  background-size:cover;background-position:center;
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.cta-shell{display:grid;grid-template-columns:1fr 1fr;gap:38px;align-items:start}
.form-card{
  padding:28px 26px;border-radius:var(--radius-lg);background:var(--glass);
  border:1px solid var(--line);box-shadow:var(--shadow);
}
.form-row{margin-bottom:16px}
.form-row label{display:block;font-size:.82rem;font-weight:700;color:#CFE4FF;margin-bottom:7px}
.form-control,.form-select{
  width:100%;padding:13px 16px;border-radius:var(--radius-sm);font-size:.92rem;font-family:inherit;
  color:#EAF3FF;background:rgba(3,10,26,.7);border:1px solid rgba(96,165,250,.28);
  transition:border-color .25s ease,box-shadow .25s ease;
}
.form-control::placeholder{color:#5C7796}
.form-control:focus,.form-select:focus{
  outline:none;border-color:var(--brand-2);box-shadow:0 0 0 3px rgba(56,189,248,.18);
  background:rgba(3,10,26,.9);color:#EAF3FF;
}
.form-select option{background:#081229;color:#EAF3FF}
.form-check{display:flex;gap:10px;align-items:flex-start;font-size:.82rem;color:var(--muted);margin:16px 0 18px}
.form-check input{width:18px;height:18px;margin-top:2px;accent-color:#38BDF8;flex:0 0 18px}
.form-note{font-size:.78rem;color:var(--dim);margin:14px 0 0}
.cta-points li{position:relative;padding-left:28px;margin-bottom:14px;font-size:.95rem;color:#C6D6EE}
.cta-points li::before{
  content:"🛡️";position:absolute;left:0;top:1px;font-size:.9rem;
}
/* ============ FAB ============ */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  display:flex;align-items:center;gap:10px;padding:12px 18px;border-radius:999px;
  background:rgba(7,7,13,.82);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);
  border:1px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.86),rgba(7,7,13,.86)),
                   linear-gradient(135deg,#A3E635,#06B6D4);
  background-origin:border-box;background-clip:padding-box,border-box;
  box-shadow:0 0 20px rgba(6,182,212,.45);
  font-size:.84rem;font-weight:800;color:#D8EBFF;
  opacity:.78;transition:opacity .28s ease,transform .28s ease,box-shadow .28s ease;
  animation:fabPulse 3.2s ease-in-out infinite;
}
.fab:hover{opacity:1;transform:scale(1.06);color:#fff;box-shadow:0 0 30px rgba(56,189,248,.6)}
.fab:active{transform:scale(.95)}
.fab-ico{font-size:1.05rem;animation:fabFlicker 2.4s infinite}
.fab-dot{
  position:absolute;top:-3px;right:-3px;width:11px;height:11px;border-radius:50%;
  background:#F43F5E;box-shadow:0 0 0 3px rgba(3,7,18,.85);
}
@keyframes fabPulse{0%,100%{box-shadow:0 0 18px rgba(6,182,212,.35)}50%{box-shadow:0 0 28px rgba(56,189,248,.6)}}
@keyframes fabFlicker{0%,92%,100%{opacity:1}94%{opacity:.35}96%{opacity:1}98%{opacity:.5}}
/* ============ FOOTER ============ */
.site-footer{
  position:relative;z-index:2;margin-top:0;padding:64px 0 26px;
  background:linear-gradient(180deg, rgba(3,7,18,.4) 0%, rgba(2,6,16,.96) 60%);
  border-top:1px solid var(--line);
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:34px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand-name{
  font-size:1rem;font-weight:900;letter-spacing:-.3px;
  background:linear-gradient(100deg,#F8FAFC,#7DD3FC);-webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
}
.footer-about{font-size:.88rem;color:var(--muted);max-width:400px}
.footer-pay{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.pay-chip{
  padding:6px 14px;border-radius:999px;font-size:.74rem;font-weight:700;
  color:#9FD8FF;background:rgba(56,189,248,.08);border:1px solid rgba(96,165,250,.24);
}
.footer-col h4{font-size:.9rem;color:#EAF3FF;margin-bottom:16px;letter-spacing:.2px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{font-size:.87rem;color:var(--muted)}
.footer-col ul li a:hover{color:var(--brand-2)}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(56,189,248,.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:.79rem;color:var(--dim);
}
.footer-bottom .age{color:#FDE68A;font-weight:700}
/* ============ RESPONSIVE ============ */
@media (max-width:1024px){
  .main-nav{gap:18px;margin-left:20px}
  .nav-link{font-size:.86rem}
  .hero-shell{grid-template-columns:1fr;gap:30px}
  .split{grid-template-columns:1fr}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .code-grid{grid-template-columns:repeat(2,1fr)}
  .flow{grid-template-columns:repeat(2,1fr)}
  .flow-step::after{display:none}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .faq-wrap{grid-template-columns:1fr}
  .cta-shell{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .rank-row{grid-template-columns:48px 1.4fr 1fr auto}
  .rank-row .rank-hide{display:none}
}
@media (max-width:768px){
  section{padding:66px 0}
  .cat-hero{padding-top:112px}
  .nav-wrap{height:64px}
  .main-nav{
    position:absolute;top:64px;left:0;right:0;flex-direction:column;align-items:flex-start;gap:0;
    background:rgba(3,8,20,.98);border-bottom:1px solid var(--line);
    padding:0 20px;max-height:0;overflow:hidden;transition:max-height .35s ease,padding .35s ease;
    margin-left:0;
  }
  .main-nav.open{max-height:340px;padding:14px 20px 20px}
  .nav-link{width:100%;padding:12px 0;font-size:.95rem}
  .nav-link::after{display:none}
  .nav-toggle{display:flex}
  .btn-ghost,.btn-solid{padding:8px 14px;font-size:.8rem}
  .stat-grid{grid-template-columns:1fr 1fr;gap:14px}
  .code-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .rank-row{grid-template-columns:44px 1fr auto;gap:12px;padding:14px 16px}
  .rank-row .rank-cell{display:none}
  .fab{bottom:88px;left:12px;padding:10px 15px;font-size:.8rem}
}
@media (max-width:520px){
  .container-x{padding:0 16px}
  .hero-copy h1{font-size:1.6rem}
  .icon-matrix{grid-template-columns:repeat(2,1fr);padding:16px}
  .stat-grid{grid-template-columns:1fr}
  .flow{grid-template-columns:1fr}
  .status-bar{gap:10px 16px;padding:14px 16px}
  .status-item{font-size:.8rem}
  .btn-glow,.btn-outline{width:100%;padding:14px 20px}
  .hero-cta{gap:10px}
  .rank-badge{display:none}
}

/* roulang page: category2 */
:root{
  --bg-0:#030712;
  --bg-1:#081229;
  --bg-2:#0B1A38;
  --glass:linear-gradient(160deg, rgba(22,46,92,.62) 0%, rgba(7,16,36,.58) 100%);
  --glass-soft:linear-gradient(160deg, rgba(22,46,92,.44) 0%, rgba(7,16,36,.40) 100%);
  --line:rgba(56,189,248,.16);
  --line-strong:rgba(96,165,250,.34);
  --brand:#2563EB;
  --brand-2:#38BDF8;
  --brand-3:#60A5FA;
  --text:#F8FAFC;
  --body:#B6C6E0;
  --muted:#94A3B8;
  --dim:#64748B;
  --gold:#FBBF24;
  --green:#22C55E;
  --pink:#F43F5E;
  --radius:18px;
  --radius-sm:12px;
  --radius-lg:26px;
  --shadow:0 20px 55px rgba(2,10,30,.6);
  --glow:0 0 26px rgba(56,189,248,.35);
  --font:'Be Vietnam Pro', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--font);background-color:var(--bg-0);color:var(--body);font-size:16px;line-height:1.65;overflow-x:hidden;background-image:radial-gradient(1200px 620px at 10% -6%, rgba(37,99,235,.30), transparent 62%),radial-gradient(900px 520px at 92% 6%, rgba(56,189,248,.18), transparent 60%),linear-gradient(180deg,#030712 0%, #061027 46%, #030712 100%);background-attachment:fixed}
body::before{content:"";position:fixed;inset:0;pointer-events:none;z-index:0;background-image:linear-gradient(rgba(56,189,248,.05) 1px, transparent 1px),linear-gradient(90deg, rgba(56,189,248,.05) 1px, transparent 1px);background-size:58px 58px;-webkit-mask-image:radial-gradient(circle at 50% 0%, #000 0%, transparent 74%);mask-image:radial-gradient(circle at 50% 0%, #000 0%, transparent 74%)}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand-3);text-decoration:none;transition:color .25s ease}
a:hover{color:var(--brand-2)}
button{font-family:inherit}
.container-x{width:100%;max-width:1240px;margin:0 auto;padding:0 20px;position:relative;z-index:2}
main{position:relative;z-index:1}
section{position:relative}
/* HEADER */
.site-header{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(4,10,24,.72);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);border-bottom:1px solid rgba(56,189,248,.13);transition:background .3s ease, box-shadow .3s ease}
.site-header.scrolled{background:rgba(3,8,20,.94);box-shadow:0 14px 42px rgba(0,0,0,.55)}
.nav-wrap{display:flex;align-items:center;gap:16px;height:72px;width:100%;max-width:1240px;margin:0 auto;padding:0 20px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{width:36px;height:36px;flex:0 0 36px;border-radius:11px;display:flex;align-items:center;justify-content:center;font-size:1rem;background:linear-gradient(140deg,#1D4ED8,#38BDF8);box-shadow:0 6px 20px rgba(56,189,248,.38)}
.brand-text{font-weight:900;font-size:1.02rem;letter-spacing:-.4px;white-space:nowrap;background:linear-gradient(100deg,#F8FAFC 8%,#7DD3FC 58%,#38BDF8 100%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent}
.main-nav{display:flex;align-items:center;gap:26px;margin-left:34px;flex:1 1 auto}
.nav-link{position:relative;padding:6px 0;font-size:.92rem;font-weight:600;color:#B6C6E0;white-space:nowrap}
.nav-link::after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--brand-2),var(--brand));transform:scaleX(0);transform-origin:left;transition:transform .28s ease}
.nav-link:hover{color:var(--text)}
.nav-link:hover::after{transform:scaleX(1)}
.nav-link.active{color:var(--brand-2)}
.nav-link.active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto;flex-shrink:0}
.btn-ghost{padding:9px 18px;border-radius:999px;font-size:.88rem;font-weight:700;color:#CFE4FF;border:1px solid rgba(96,165,250,.42);background:transparent;transition:all .25s ease;white-space:nowrap}
.btn-ghost:hover{color:#fff;border-color:var(--brand-2);box-shadow:0 0 18px rgba(56,189,248,.35);background:rgba(56,189,248,.08)}
.btn-solid{padding:9px 20px;border-radius:999px;font-size:.88rem;font-weight:800;color:#04101f;background:linear-gradient(135deg,#7DD3FC,#38BDF8 40%,#2563EB 100%);box-shadow:0 8px 24px rgba(37,99,235,.45);transition:all .25s ease;white-space:nowrap}
.btn-solid:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(56,189,248,.6);color:#04101f}
.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:42px;height:42px;border-radius:12px;border:1px solid rgba(96,165,250,.3);background:rgba(56,189,248,.07);cursor:pointer;padding:0 11px}
.nav-toggle span{display:block;height:2px;border-radius:2px;background:#9FD8FF;transition:.28s ease}
.nav-toggle.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.is-open span:nth-child(2){opacity:0}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
/* BUTTONS */
.btn-glow{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:15px 32px;border-radius:999px;border:0;cursor:pointer;font-size:.98rem;font-weight:800;color:#03101f;letter-spacing:.1px;background:linear-gradient(135deg,#7DD3FC 0%,#38BDF8 42%,#2563EB 100%);box-shadow:0 12px 34px rgba(37,99,235,.5), 0 0 0 1px rgba(125,211,252,.5) inset;transition:transform .28s cubic-bezier(.2,.7,.3,1), box-shadow .28s ease}
.btn-glow:hover{transform:translateY(-3px);color:#03101f;box-shadow:0 18px 44px rgba(56,189,248,.62)}
.btn-glow:active{transform:translateY(0) scale(.98)}
.btn-outline{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:15px 30px;border-radius:999px;cursor:pointer;font-size:.98rem;font-weight:700;color:#D8EBFF;background:rgba(56,189,248,.07);border:1px solid rgba(96,165,250,.45);transition:all .28s ease}
.btn-outline:hover{color:#fff;border-color:var(--brand-2);background:rgba(56,189,248,.14);box-shadow:0 0 24px rgba(56,189,248,.32)}
.btn-outline:active{transform:translateY(1px) scale(.99)}
.btn-glow:focus-visible,.btn-outline:focus-visible,.btn-solid:focus-visible,.btn-ghost:focus-visible{outline:2px solid var(--brand-2);outline-offset:3px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:999px;font-size:.74rem;font-weight:800;letter-spacing:1.2px;text-transform:uppercase;color:#9FD8FF;background:rgba(56,189,248,.10);border:1px solid rgba(96,165,250,.30)}
.section-title{font-size:clamp(1.6rem,3.4vw,2.4rem);font-weight:900;color:var(--text);letter-spacing:-.7px;line-height:1.22;margin:0}
.section-sub{color:var(--muted);font-size:1rem;max-width:680px;margin:.7rem 0 0}
.section-head{margin-bottom:38px}
.text-left{text-align:left!important}
/* GLASS CARDS */
.glass-card{background:var(--glass);border:1px solid var(--line);border-radius:var(--radius);padding:26px;box-shadow:var(--shadow);position:relative;overflow:hidden;transition:transform .3s ease, border-color .3s ease, box-shadow .3s ease}
.glass-card::after{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;background:linear-gradient(160deg, rgba(125,211,252,.14), transparent 46%);opacity:0;transition:opacity .3s ease}
.glass-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:0 26px 62px rgba(2,10,30,.72), var(--glow)}
.glass-card:hover::after{opacity:1}
.soft-card{background:var(--glass-soft);border:1px solid rgba(56,189,248,.12);border-radius:var(--radius-sm);padding:20px}
/* HERO */
.cat-hero{padding:150px 0 62px;position:relative;overflow:hidden}
.cat-hero::before{content:"";position:absolute;inset:0;background-image:url('/assets/images/b9c158631216a72a.jpg');background-size:cover;background-position:center;opacity:.24;z-index:0}
.cat-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg, rgba(3,7,18,.60) 0%, rgba(3,7,18,.92) 62%, var(--bg-0) 100%);z-index:1}
.cat-hero .container-x{position:relative;z-index:3}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:start}
.hero-title{font-size:clamp(2rem,4.4vw,3.1rem);font-weight:900;line-height:1.14;letter-spacing:-1.2px;color:var(--text);margin:18px 0 0}
.hero-title .hl{background:linear-gradient(100deg,#7DD3FC,#38BDF8 45%,#2563EB);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent}
.hero-lead{font-size:1.06rem;color:#C6D6EE;margin:20px 0 0;max-width:620px;line-height:1.72}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:34px}
.stat-box{background:var(--glass-soft);border:1px solid var(--line);border-radius:var(--radius-sm);padding:16px 14px;text-align:left}
.stat-num{font-size:1.35rem;font-weight:900;color:var(--brand-2);letter-spacing:-.5px;display:block}
.stat-lbl{font-size:.78rem;color:var(--muted);font-weight:600;display:block;margin-top:4px;line-height:1.4}
/* HERO PANEL */
.hero-panel{background:var(--glass);border:1px solid var(--line-strong);border-radius:var(--radius-lg);padding:26px;box-shadow:var(--shadow)}
.hero-panel h3{font-size:1.06rem;font-weight:800;color:var(--text);margin:0 0 6px}
.hero-panel p.ph-sub{font-size:.86rem;color:var(--muted);margin:0 0 20px}
.roadmap{list-style:none;margin:0;padding:0;position:relative}
.roadmap li{position:relative;padding:0 0 20px 30px;font-size:.9rem}
.roadmap li::before{content:"";position:absolute;left:5px;top:6px;width:11px;height:11px;border-radius:50%;background:linear-gradient(140deg,#38BDF8,#2563EB);box-shadow:0 0 12px rgba(56,189,248,.7)}
.roadmap li::after{content:"";position:absolute;left:10px;top:20px;bottom:0;width:1px;background:linear-gradient(180deg,rgba(56,189,248,.5),rgba(56,189,248,0))}
.roadmap li:last-child{padding-bottom:0}
.roadmap li:last-child::after{display:none}
.rm-title{display:block;font-weight:700;color:var(--text);font-size:.9rem}
.rm-desc{display:block;color:var(--muted);font-size:.82rem;margin-top:2px}
.rm-tag{display:inline-block;margin-top:7px;font-size:.68rem;font-weight:800;letter-spacing:.6px;text-transform:uppercase;padding:3px 10px;border-radius:999px;color:#9FD8FF;background:rgba(56,189,248,.12);border:1px solid rgba(96,165,250,.3)}
.rm-tag.now{color:#04101f;background:linear-gradient(135deg,#7DD3FC,#38BDF8);border-color:transparent}
/* CATEGORY GRID */
.cat-matrix{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.chan-card{display:flex;flex-direction:column;gap:12px;text-decoration:none}
.chan-thumb{position:relative;border-radius:var(--radius-sm);overflow:hidden;border:1px solid var(--line);aspect-ratio:16/10}
.chan-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.chan-card:hover .chan-thumb img{transform:scale(1.06)}
.chan-badge{position:absolute;top:10px;left:10px;font-size:.68rem;font-weight:800;letter-spacing:.6px;text-transform:uppercase;padding:5px 11px;border-radius:999px;color:#04101f;background:linear-gradient(135deg,#7DD3FC,#38BDF8);box-shadow:0 6px 16px rgba(56,189,248,.5)}
.chan-card h3{font-size:1.1rem;font-weight:800;color:var(--text);margin:0}
.chan-card p{font-size:.88rem;color:var(--muted);margin:0;line-height:1.6}
.chan-more{font-size:.84rem;font-weight:800;color:var(--brand-2);margin-top:auto;display:inline-flex;align-items:center;gap:8px}
.chan-more i{transition:transform .3s ease}
.chan-card:hover .chan-more i{transform:translateX(5px)}
/* FEATURE / SELL LIST */
.sell-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.sell-item{display:flex;gap:16px;padding:22px;border-radius:var(--radius);background:var(--glass-soft);border:1px solid rgba(56,189,248,.14);transition:border-color .3s ease, transform .3s ease}
.sell-item:hover{border-color:var(--line-strong);transform:translateY(-3px)}
.sell-ico{width:48px;height:48px;flex:0 0 48px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:1.15rem;color:#03101f;background:linear-gradient(140deg,#7DD3FC,#2563EB);box-shadow:0 8px 22px rgba(37,99,235,.45)}
.sell-item h3{font-size:1rem;font-weight:800;color:var(--text);margin:0 0 6px}
.sell-item p{font-size:.88rem;color:var(--muted);margin:0;line-height:1.62}
/* SCENARIO / USE */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.scene-card{padding:24px;border-radius:var(--radius);background:var(--glass);border:1px solid var(--line);transition:transform .3s ease, border-color .3s ease}
.scene-card:hover{transform:translateY(-5px);border-color:var(--line-strong)}
.scene-card .sc-num{font-size:2rem;font-weight:900;line-height:1;color:rgba(56,189,248,.34);letter-spacing:-1px}
.scene-card h3{font-size:1.02rem;font-weight:800;color:var(--text);margin:12px 0 8px}
.scene-card p{font-size:.86rem;color:var(--muted);margin:0;line-height:1.62}
/* PROCESS */
.process-line{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;counter-reset:step}
.step-card{position:relative;padding:24px 20px;border-radius:var(--radius);background:var(--glass-soft);border:1px solid rgba(56,189,248,.14)}
.step-card::before{counter-increment:step;content:"0" counter(step);position:absolute;top:-14px;left:20px;font-size:.82rem;font-weight:900;letter-spacing:1px;color:#04101f;background:linear-gradient(135deg,#7DD3FC,#38BDF8);padding:4px 12px;border-radius:999px;box-shadow:0 8px 20px rgba(56,189,248,.4)}
.step-card h3{font-size:.98rem;font-weight:800;color:var(--text);margin:14px 0 8px}
.step-card p{font-size:.84rem;color:var(--muted);margin:0;line-height:1.6}
/* COMPARE TABLE */
.cmp-wrap{overflow-x:auto;border-radius:var(--radius);border:1px solid var(--line);background:var(--glass-soft)}
table.cmp{width:100%;border-collapse:collapse;min-width:560px}
table.cmp th,table.cmp td{padding:15px 18px;text-align:left;font-size:.88rem;border-bottom:1px solid rgba(56,189,248,.1)}
table.cmp th{font-size:.76rem;letter-spacing:.9px;text-transform:uppercase;color:#9FD8FF;background:rgba(56,189,248,.08);font-weight:800}
table.cmp td{color:var(--body)}
table.cmp tr:last-child td{border-bottom:0}
table.cmp tbody tr:hover{background:rgba(56,189,248,.05)}
.tag-ok{display:inline-flex;align-items:center;gap:6px;font-size:.76rem;font-weight:800;padding:4px 11px;border-radius:999px;color:#052e1b;background:rgba(34,197,94,.85)}
.tag-warn{display:inline-flex;align-items:center;gap:6px;font-size:.76rem;font-weight:800;padding:4px 11px;border-radius:999px;color:#450a0a;background:rgba(251,191,36,.88)}
/* CONTENT LIST (CMS) */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.news-card{display:flex;flex-direction:column;overflow:hidden;border-radius:var(--radius);background:var(--glass);border:1px solid var(--line);transition:transform .3s ease, border-color .3s ease, box-shadow .3s ease}
.news-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:0 24px 58px rgba(2,10,30,.7)}
.news-thumb{aspect-ratio:16/9;overflow:hidden;background:linear-gradient(140deg,#0B1A38,#081229)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.news-card:hover .news-thumb img{transform:scale(1.05)}
.news-body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
.news-meta{display:flex;flex-wrap:wrap;gap:10px;font-size:.74rem;color:var(--dim);font-weight:600;text-transform:uppercase;letter-spacing:.6px}
.news-body h3{font-size:1rem;font-weight:800;color:var(--text);margin:0;line-height:1.45}
.news-body h3 a{color:var(--text)}
.news-body h3 a:hover{color:var(--brand-2)}
.news-body p{font-size:.85rem;color:var(--muted);margin:0;line-height:1.6}
.news-empty{padding:38px 24px;text-align:center;color:var(--muted);font-size:.95rem;border:1px dashed rgba(56,189,248,.28);border-radius:var(--radius);background:var(--glass-soft)}
/* TRUST STRIP */
.trust-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:8px}
.trust-item{display:flex;align-items:center;gap:12px;padding:18px;border-radius:var(--radius-sm);background:var(--glass-soft);border:1px solid rgba(56,189,248,.13)}
.trust-item i{font-size:1.25rem;color:var(--brand-2)}
.trust-item span{font-size:.85rem;font-weight:700;color:var(--text);line-height:1.35}
/* DETAIL SECTIONS */
.article-block{max-width:900px}
.article-block h2{font-size:clamp(1.4rem,2.8vw,2rem);font-weight:900;color:var(--text);letter-spacing:-.6px;margin:0 0 14px;line-height:1.26}
.article-block h3{font-size:1.12rem;font-weight:800;color:var(--text);margin:26px 0 10px}
.article-block p{font-size:.95rem;color:var(--body);line-height:1.72;margin:0 0 14px}
.article-block ul{padding-left:0;list-style:none;margin:0 0 16px}
.article-block ul li{position:relative;padding-left:26px;font-size:.93rem;color:var(--body);line-height:1.68;margin-bottom:9px}
.article-block ul li::before{content:"";position:absolute;left:4px;top:11px;width:8px;height:8px;border-radius:50%;background:linear-gradient(140deg,#38BDF8,#2563EB);box-shadow:0 0 8px rgba(56,189,248,.6)}
.figure-inline{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);margin:22px 0}
.figure-inline figcaption{font-size:.8rem;color:var(--dim);padding:12px 16px;background:rgba(56,189,248,.05)}
/* QUICK ANSWER */
.qa-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.qa-card{padding:20px 22px;border-radius:var(--radius-sm);background:var(--glass-soft);border:1px solid rgba(56,189,248,.13);border-left:3px solid var(--brand-2)}
.qa-card strong{display:block;color:var(--text);font-size:.94rem;font-weight:800;margin-bottom:6px}
.qa-card span{font-size:.86rem;color:var(--muted);line-height:1.6}
/* FAQ */
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{border:1px solid rgba(56,189,248,.14);border-radius:var(--radius-sm);background:var(--glass-soft);overflow:hidden;transition:border-color .3s ease}
.faq-item[open]{border-color:var(--line-strong)}
.faq-item summary{list-style:none;cursor:pointer;padding:18px 22px;font-size:.96rem;font-weight:800;color:var(--text);display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;font-size:.78rem;color:var(--brand-2);transition:transform .3s ease}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item .faq-body{padding:0 22px 20px;font-size:.9rem;color:var(--muted);line-height:1.68}
/* CTA BLOCK */
.cta-band{position:relative;overflow:hidden;border-radius:var(--radius-lg);border:1px solid var(--line-strong);padding:48px 40px;background:var(--glass);box-shadow:var(--shadow)}
.cta-band::before{content:"";position:absolute;inset:0;background-image:url('/assets/images/e7217a210e3b9590.jpg');background-size:cover;background-position:center;opacity:.18}
.cta-band::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg, rgba(3,7,18,.92), rgba(8,18,41,.78))}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.2fr .8fr;gap:34px;align-items:center}
.cta-inner h2{font-size:clamp(1.5rem,3vw,2.15rem);font-weight:900;color:var(--text);letter-spacing:-.7px;margin:0 0 12px;line-height:1.24}
.cta-inner p{font-size:.95rem;color:#C6D6EE;margin:0 0 22px;line-height:1.7}
.cta-form{background:rgba(4,10,24,.6);border:1px solid var(--line-strong);border-radius:var(--radius);padding:24px}
.cta-form h3{font-size:1rem;font-weight:800;color:var(--text);margin:0 0 4px}
.cta-form p{font-size:.82rem;color:var(--muted);margin:0 0 16px}
.cta-form label{display:block;font-size:.78rem;font-weight:700;color:#9FD8FF;letter-spacing:.5px;text-transform:uppercase;margin-bottom:6px}
.cta-form input,.cta-form select{width:100%;padding:12px 14px;border-radius:var(--radius-sm);border:1px solid rgba(96,165,250,.3);background:rgba(3,8,20,.7);color:var(--text);font-size:.9rem;margin-bottom:14px;transition:border-color .25s ease, box-shadow .25s ease}
.cta-form input:focus,.cta-form select:focus{outline:none;border-color:var(--brand-2);box-shadow:0 0 0 3px rgba(56,189,248,.18)}
.cta-form input::placeholder{color:var(--dim)}
.cta-form button{width:100%;margin-top:4px}
.form-note{font-size:.74rem;color:var(--dim);margin-top:12px;line-height:1.5}
/* SECTION SPACING */
.sec{padding:64px 0}
.sec-tight{padding:48px 0}
.sec-alt{background:linear-gradient(180deg, rgba(8,18,41,.55), rgba(3,7,18,0))}
.divider-line{height:1px;background:linear-gradient(90deg, transparent, rgba(56,189,248,.32), transparent);margin:0}
/* FOOTER */
.site-footer{position:relative;z-index:2;margin-top:70px;background:linear-gradient(180deg, rgba(3,8,20,.2), rgba(2,6,16,.95));border-top:1px solid rgba(56,189,248,.14);padding:56px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand-name{font-size:.98rem;font-weight:900;color:var(--text);letter-spacing:-.3px;line-height:1.3}
.footer-about{font-size:.84rem;color:var(--muted);line-height:1.68;margin:0 0 16px}
.footer-pay{display:flex;flex-wrap:wrap;gap:8px}
.pay-chip{font-size:.72rem;font-weight:700;padding:5px 11px;border-radius:999px;color:#9FD8FF;background:rgba(56,189,248,.09);border:1px solid rgba(96,165,250,.25)}
.footer-col h4{font-size:.82rem;font-weight:800;letter-spacing:1px;text-transform:uppercase;color:#9FD8FF;margin:0 0 14px}
.footer-col ul{list-style:none;margin:0;padding:0}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{font-size:.85rem;color:var(--muted)}
.footer-col ul li a:hover{color:var(--brand-2)}
.footer-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-top:38px;padding-top:22px;border-top:1px solid rgba(56,189,248,.12);font-size:.78rem;color:var(--dim)}
.footer-bottom .age{font-weight:800;color:#9FD8FF;padding:4px 12px;border-radius:999px;background:rgba(56,189,248,.09);border:1px solid rgba(96,165,250,.25)}
/* FAB */
.fab{position:fixed;left:16px;bottom:96px;z-index:950;width:56px;height:56px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:1.15rem;color:#03101f;background:linear-gradient(140deg,#7DD3FC,#38BDF8 45%,#2563EB);box-shadow:0 0 22px rgba(56,189,248,.5);border:1px solid rgba(125,211,252,.6);opacity:.82;transition:transform .3s ease, opacity .3s ease, box-shadow .3s ease}
.fab:hover{opacity:1;transform:scale(1.1);color:#03101f;box-shadow:0 0 32px rgba(56,189,248,.75)}
.fab:active{transform:scale(.95) translateY(2px)}
.fab .fab-dot{position:absolute;top:4px;right:4px;width:12px;height:12px;border-radius:50%;background:#F43F5E;box-shadow:0 0 0 2px rgba(255,255,255,.85);animation:pulseDot 1.6s infinite}
@keyframes pulseDot{0%,100%{transform:scale(1);opacity:1}50%{transform:scale(1.25);opacity:.7}}
/* ANIM */
@keyframes floatY{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}
.float-soft{animation:floatY 4.5s ease-in-out infinite}
/* RESPONSIVE */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .cat-matrix,.scene-grid,.news-grid,.process-line{grid-template-columns:repeat(2,1fr)}
  .trust-strip{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .cta-inner{grid-template-columns:1fr;gap:26px}
  .process-line{counter-reset:step}
}
@media (max-width:860px){
  .main-nav{position:fixed;top:72px;left:0;right:0;flex-direction:column;align-items:flex-start;gap:4px;margin-left:0;padding:14px 20px 22px;background:rgba(3,8,20,.97);border-bottom:1px solid rgba(56,189,248,.16);box-shadow:0 22px 44px rgba(0,0,0,.5);transform:translateY(-140%);opacity:0;pointer-events:none;transition:transform .34s ease, opacity .28s ease;max-height:calc(100vh - 72px);overflow-y:auto}
  .main-nav.open{transform:translateY(0);opacity:1;pointer-events:auto}
  .nav-link{width:100%;padding:12px 0;font-size:.96rem;border-bottom:1px solid rgba(56,189,248,.08)}
  .nav-link::after{display:none}
  .nav-toggle{display:flex}
  .nav-actions .btn-ghost,.nav-actions .btn-solid{padding:8px 14px;font-size:.8rem}
}
@media (max-width:768px){
  .sell-grid,.qa-grid{grid-template-columns:1fr}
  .hero-stats{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  .cat-hero{padding:126px 0 48px}
  .cat-matrix,.scene-grid,.news-grid,.process-line,.trust-strip{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .cta-band{padding:34px 22px}
  .sec{padding:48px 0}
  .brand-text{font-size:.9rem}
  .hero-cta .btn-glow,.hero-cta .btn-outline{width:100%}
  .fab{bottom:88px;left:14px;width:52px;height:52px}
  .nav-actions{gap:6px}
  .nav-actions .btn-ghost{display:none}
}
@media (max-width:400px){
  .hero-stats{grid-template-columns:1fr}
  .container-x{padding:0 16px}
}

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}