/* roulang page: index */
:root{
  --bg-0:#04070F;
  --bg-1:#071229;
  --bg-2:#0A1A38;
  --line:rgba(56,189,248,.20);
  --line-2:rgba(56,189,248,.38);
  --txt:#F8FAFC;
  --txt-soft:#A8C0DC;
  --txt-dim:#7A93B4;
  --brand:#2563EB;
  --brand-2:#38BDF8;
  --brand-3:#60A5FA;
  --ok:#34D399;
  --warn:#FBBF24;
  --radius-s:10px;
  --radius:16px;
  --radius-l:22px;
  --shadow-glow:0 0 24px rgba(56,189,248,.28);
  --shadow-card:0 18px 48px -22px rgba(2,10,26,.9);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:
    radial-gradient(1200px 620px at 82% -8%, rgba(37,99,235,.24), transparent 62%),
    radial-gradient(900px 520px at -6% 14%, rgba(56,189,248,.16), transparent 60%),
    linear-gradient(180deg,var(--bg-0) 0%, var(--bg-1) 52%, var(--bg-0) 100%);
  color:var(--txt);
  font-family:'Segoe UI',Roboto,'Helvetica Neue',Arial,'Noto Sans',sans-serif;
  line-height:1.62;
  letter-spacing:.1px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--brand-2);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.grid-dots::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(96,165,250,.14) 1px, transparent 1px);
  background-size:26px 26px;
  mask-image:linear-gradient(180deg, rgba(0,0,0,.55), transparent 80%);
  pointer-events:none;
}
/* header */
.site-header{
  position:sticky;top:0;z-index:60;
  backdrop-filter:blur(14px);
  background:rgba(4,7,15,.82);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;gap:18px;min-height:70px}
.brand{display:flex;align-items:center;gap:11px;min-width:0}
.brand-mark{
  width:42px;height:42px;flex:0 0 42px;border-radius:12px;
  display:grid;place-items:center;font-weight:800;font-size:15px;
  background:linear-gradient(145deg,var(--brand),var(--brand-2));
  color:#04070F;box-shadow:var(--shadow-glow);
}
.brand-text{min-width:0}
.brand-line1{font-size:13.5px;font-weight:800;line-height:1.2;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.brand-line2{font-size:11px;color:var(--txt-dim);letter-spacing:.5px;text-transform:uppercase}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
  padding:9px 13px;border-radius:10px;font-size:13.5px;font-weight:600;color:var(--txt-soft);
  border:1px solid transparent;transition:.22s;
}
.nav-links a:hover{color:#fff;background:rgba(56,189,248,.09);border-color:var(--line)}
.nav-links a.active{color:#fff;background:rgba(37,99,235,.24);border-color:var(--line-2)}
.nav-cta{display:flex;align-items:center;gap:10px;margin-left:10px}
.btn-ghost{
  font-size:13.5px;font-weight:700;padding:9px 14px;border-radius:10px;
  border:1px solid var(--line-2);color:var(--brand-3);background:transparent;transition:.22s;white-space:nowrap;
}
.btn-ghost:hover{color:#fff;border-color:var(--brand-2);box-shadow:0 0 16px rgba(56,189,248,.24)}
.btn-solid{
  font-size:13.5px;font-weight:800;padding:10px 17px;border-radius:10px;white-space:nowrap;
  background:linear-gradient(120deg,var(--brand),var(--brand-2));color:#04070F;
  box-shadow:0 0 20px rgba(56,189,248,.36);transition:.22s;border:none;display:inline-block;
}
.btn-solid:hover{transform:translateY(-2px);box-shadow:0 0 28px rgba(56,189,248,.55)}
.btn-solid:active{transform:translateY(0)}
.nav-toggle{display:none;margin-left:auto;background:transparent;border:1px solid var(--line);border-radius:10px;padding:9px 12px;color:var(--txt)}
.mobile-panel{display:none;border-top:1px solid var(--line);background:rgba(4,7,15,.96)}
.mobile-panel.open{display:block}
.mobile-panel a{display:block;padding:13px 20px;font-size:14.5px;font-weight:600;color:var(--txt-soft);border-bottom:1px solid rgba(56,189,248,.09)}
.mobile-panel a.active{color:#fff;background:rgba(37,99,235,.2)}
.mobile-actions{display:flex;gap:10px;padding:14px 20px 20px}
.mobile-actions .btn-ghost,.mobile-actions .btn-solid{flex:1;text-align:center}
/* hero */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.34}
.hero-veil{position:absolute;inset:0;background:linear-gradient(105deg,rgba(4,7,15,.94) 12%,rgba(7,18,41,.80) 52%,rgba(4,7,15,.66) 100%)}
.hero-inner{position:relative;padding:62px 0 58px}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:800;letter-spacing:1.2px;text-transform:uppercase;
  padding:7px 13px;border-radius:999px;border:1px solid var(--line-2);background:rgba(37,99,235,.18);color:var(--brand-2);
}
.hero h1{
  font-size:clamp(26px,4.4vw,46px);line-height:1.22;font-weight:900;margin:20px 0 16px;max-width:880px;
  background:linear-gradient(100deg,#FFFFFF 12%,#BFDBFE 58%,#38BDF8 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{max-width:780px;color:var(--txt-soft);font-size:15.5px;margin:0 0 26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.hero-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-top:34px}
.stat{
  border:1px solid var(--line);border-radius:var(--radius);padding:16px 15px;
  background:linear-gradient(160deg,rgba(10,26,56,.78),rgba(7,18,41,.42));
  backdrop-filter:blur(8px);
}
.stat b{display:block;font-size:20px;font-weight:900;color:#fff}
.stat span{font-size:12.4px;color:var(--txt-dim)}
/* section base */
.section{padding:60px 0;position:relative}
.section-alt{background:linear-gradient(180deg,rgba(7,18,41,.62),rgba(4,7,15,.30));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{max-width:780px;margin-bottom:30px}
.sec-kicker{font-size:12px;font-weight:800;letter-spacing:1.6px;text-transform:uppercase;color:var(--brand-2)}
.sec-title{font-size:clamp(21px,2.9vw,31px);font-weight:900;line-height:1.3;margin:9px 0 12px;color:#fff}
.sec-desc{color:var(--txt-soft);font-size:15px;margin:0}
.glass{
  border:1px solid var(--line);border-radius:var(--radius-l);
  background:linear-gradient(158deg,rgba(10,26,56,.72),rgba(7,18,41,.34));
  backdrop-filter:blur(10px);box-shadow:var(--shadow-card);
}
.cat-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.cat-card{padding:24px;transition:.25s;display:flex;flex-direction:column;gap:12px}
.cat-card:hover{transform:translateY(-5px);border-color:var(--line-2);box-shadow:0 0 30px rgba(56,189,248,.16)}
.cat-ico{width:46px;height:46px;border-radius:13px;display:grid;place-items:center;background:rgba(37,99,235,.22);border:1px solid var(--line-2);color:var(--brand-2);font-size:19px}
.cat-card h3{font-size:17.5px;font-weight:800;margin:0;color:#fff}
.cat-card p{font-size:14px;color:var(--txt-soft);margin:0;flex:1}
.link-arrow{font-size:13.5px;font-weight:800;color:var(--brand-2);display:inline-flex;align-items:center;gap:7px}
.link-arrow:hover{gap:11px;transition:.22s}
/* value grid */
.val-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.val-item{display:flex;gap:15px;padding:20px;border:1px solid var(--line);border-radius:var(--radius);background:rgba(7,18,41,.44);transition:.25s}
.val-item:hover{border-color:var(--line-2);background:rgba(10,26,56,.6)}
.val-ico{width:42px;height:42px;flex:0 0 42px;border-radius:12px;display:grid;place-items:center;background:linear-gradient(140deg,rgba(37,99,235,.35),rgba(56,189,248,.18));color:#BFDBFE;font-size:17px}
.val-item h4{font-size:15.6px;font-weight:800;margin:0 0 6px;color:#fff}
.val-item p{font-size:13.8px;color:var(--txt-soft);margin:0}
/* chart */
.chart-wrap{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.chart-card{padding:22px;border:1px solid var(--line);border-radius:var(--radius-l);background:rgba(7,18,41,.5)}
.chart-card h4{font-size:14.6px;font-weight:800;margin:0 0 4px;color:#fff}
.chart-card .muted{font-size:12.6px;color:var(--txt-dim);margin:0 0 14px}
.meter{height:9px;border-radius:999px;background:rgba(56,189,248,.14);overflow:hidden;margin-bottom:10px}
.meter i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--brand),var(--brand-2))}
.meter-row{font-size:12.8px;color:var(--txt-soft);display:flex;justify-content:space-between;gap:10px;margin-bottom:13px}
/* resource */
.res-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.res-card{padding:20px;border:1px solid var(--line);border-radius:var(--radius);background:rgba(10,26,56,.42);transition:.25s}
.res-card:hover{transform:translateY(-4px);border-color:var(--line-2)}
.res-card i{font-size:19px;color:var(--brand-2);margin-bottom:11px;display:block}
.res-card h4{font-size:14.8px;font-weight:800;margin:0 0 6px;color:#fff}
.res-card p{font-size:13.4px;color:var(--txt-soft);margin:0}
/* article list */
.article-layout{display:grid;grid-template-columns:1.62fr 1fr;gap:22px;align-items:start}
.art-list{display:flex;flex-direction:column;gap:14px}
.art-row{display:flex;gap:16px;padding:16px;border:1px solid var(--line);border-radius:var(--radius);background:rgba(7,18,41,.46);transition:.25s}
.art-row:hover{border-color:var(--line-2);background:rgba(10,26,56,.62);transform:translateX(4px)}
.art-thumb{width:126px;height:86px;flex:0 0 126px;border-radius:11px;overflow:hidden;border:1px solid var(--line)}
.art-thumb img{width:100%;height:100%;object-fit:cover}
.art-body h3{font-size:15.4px;font-weight:800;margin:0 0 7px;color:#fff;line-height:1.4}
.art-body p{font-size:13.3px;color:var(--txt-soft);margin:0 0 8px}
.art-meta{font-size:12px;color:var(--txt-dim);display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.badge-cat{font-size:11px;font-weight:800;letter-spacing:.6px;text-transform:uppercase;padding:4px 9px;border-radius:999px;background:rgba(37,99,235,.22);border:1px solid var(--line-2);color:var(--brand-2)}
.side-box{padding:20px;border:1px solid var(--line);border-radius:var(--radius-l);background:rgba(10,26,56,.46);margin-bottom:18px}
.side-box h4{font-size:15px;font-weight:800;margin:0 0 14px;color:#fff}
.side-item{display:flex;gap:11px;padding:11px 0;border-bottom:1px dashed rgba(56,189,248,.16)}
.side-item:last-child{border-bottom:none;padding-bottom:0}
.side-rank{width:26px;height:26px;flex:0 0 26px;border-radius:8px;display:grid;place-items:center;font-size:12px;font-weight:900;background:rgba(37,99,235,.26);color:#BFDBFE}
.side-item strong{display:block;font-size:13.6px;font-weight:700;color:#E2E8F0;line-height:1.4}
.side-item span{font-size:11.8px;color:var(--txt-dim)}
.empty-note{padding:26px;text-align:center;color:var(--txt-dim);font-size:14px;border:1px dashed var(--line);border-radius:var(--radius)}
/* form */
.form-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:24px;align-items:start}
.field{margin-bottom:14px}
.field label{display:block;font-size:12.8px;font-weight:700;color:var(--txt-soft);margin-bottom:7px}
.field input,.field select{
  width:100%;padding:12px 14px;border-radius:11px;border:1px solid var(--line);
  background:rgba(4,7,15,.66);color:#fff;font-size:14px;transition:.22s;
}
.field input::placeholder{color:#5C7492}
.field input:focus,.field select:focus{border-color:var(--brand-2);box-shadow:0 0 0 3px rgba(56,189,248,.16);outline:none}
.form-note{font-size:12.4px;color:var(--txt-dim);margin-top:12px}
/* faq */
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{border:1px solid var(--line);border-radius:var(--radius);background:rgba(7,18,41,.46);overflow:hidden}
.faq-q{width:100%;text-align:left;padding:17px 19px;background:transparent;border:none;font-size:15px;font-weight:800;color:#fff;display:flex;justify-content:space-between;gap:14px;align-items:center;cursor:pointer}
.faq-q i{color:var(--brand-2);transition:.25s}
.faq-item.open .faq-q i{transform:rotate(180deg)}
.faq-a{display:none;padding:0 19px 18px;font-size:13.9px;color:var(--txt-soft)}
.faq-item.open .faq-a{display:block}
/* footer */
.site-footer{border-top:1px solid var(--line);background:rgba(4,7,15,.9);padding:50px 0 26px;margin-top:10px}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:26px}
.foot-brand{display:flex;align-items:center;gap:11px;margin-bottom:14px}
.foot-col h5{font-size:13.4px;font-weight:800;color:#fff;margin:0 0 14px;text-transform:uppercase;letter-spacing:.8px}
.foot-col p,.foot-col a{font-size:13.4px;color:var(--txt-soft);display:block;margin-bottom:9px}
.foot-col a:hover{color:var(--brand-2)}
.foot-bottom{margin-top:34px;padding-top:20px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:12.6px;color:var(--txt-dim)}
.age-badge{display:inline-flex;align-items:center;gap:7px;font-size:12px;font-weight:800;padding:5px 11px;border-radius:999px;border:1px solid rgba(220,38,38,.5);background:rgba(220,38,38,.14);color:#FCA5A5}
.pay-row{display:flex;gap:9px;flex-wrap:wrap;margin-top:12px}
.pay-pill{font-size:11.8px;font-weight:700;padding:6px 11px;border-radius:999px;border:1px solid var(--line);background:rgba(37,99,235,.14);color:var(--txt-soft)}
/* fab */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;width:58px;height:58px;border-radius:50%;
  display:grid;place-items:center;font-size:22px;color:#04070F;
  background:linear-gradient(140deg,var(--brand),var(--brand-2));
  box-shadow:0 0 22px rgba(56,189,248,.5);opacity:.86;transition:.25s;animation:fabFloat 3.4s ease-in-out infinite;
}
.fab:hover{opacity:1;transform:scale(1.1) rotate(360deg)}
.fab:active{transform:scale(.94) translateY(3px)}
.fab-dot{position:absolute;top:2px;right:2px;width:13px;height:13px;border-radius:50%;background:#EF4444;border:2px solid #fff}
@keyframes fabFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}
/* responsive */
@media (max-width:1024px){
  .nav-links{display:none}
  .nav-cta{display:none}
  .nav-toggle{display:inline-block}
  .cat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .res-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .article-layout{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .val-grid{grid-template-columns:1fr}
  .chart-wrap{grid-template-columns:1fr}
  .section{padding:48px 0}
  .art-row{flex-direction:column}
  .art-thumb{width:100%;height:170px;flex:0 0 auto}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .cat-grid{grid-template-columns:1fr}
  .res-grid{grid-template-columns:1fr}
  .hero-inner{padding:44px 0 42px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn-solid,.hero-actions .btn-ghost{text-align:center}
  .foot-grid{grid-template-columns:1fr}
  .fab{width:52px;height:52px;bottom:86px;left:12px}
}

/* roulang page: article */
:root{
  --bg-0:#04070F;
  --bg-1:#071229;
  --bg-2:#0A1A38;
  --line:rgba(56,189,248,.20);
  --line-2:rgba(56,189,248,.38);
  --txt:#F8FAFC;
  --txt-soft:#A8C0DC;
  --txt-dim:#7A93B4;
  --brand:#2563EB;
  --brand-2:#38BDF8;
  --brand-3:#60A5FA;
  --ok:#34D399;
  --warn:#FBBF24;
  --radius-s:10px;
  --radius:16px;
  --radius-l:22px;
  --shadow-glow:0 0 24px rgba(56,189,248,.28);
  --shadow-card:0 18px 48px -22px rgba(2,10,26,.9);
}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:
    radial-gradient(1200px 620px at 82% -8%, rgba(37,99,235,.24), transparent 62%),
    radial-gradient(900px 520px at -6% 14%, rgba(56,189,248,.16), transparent 60%),
    linear-gradient(180deg,var(--bg-0) 0%, var(--bg-1) 52%, var(--bg-0) 100%);
  color:var(--txt);
  font-family:'Segoe UI',Roboto,'Helvetica Neue',Arial,'Noto Sans',sans-serif;
  line-height:1.62;
  letter-spacing:.1px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--brand-2);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
/* header */
.site-header{
  position:sticky;top:0;z-index:60;
  backdrop-filter:blur(14px);
  background:rgba(4,7,15,.82);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;gap:18px;min-height:70px}
.brand{display:flex;align-items:center;gap:11px;min-width:0}
.brand-mark{
  width:42px;height:42px;flex:0 0 42px;border-radius:12px;
  display:grid;place-items:center;font-weight:800;font-size:15px;
  background:linear-gradient(145deg,var(--brand),var(--brand-2));
  color:#04070F;box-shadow:var(--shadow-glow);
}
.brand-text{min-width:0}
.brand-line1{font-size:13.5px;font-weight:800;line-height:1.2;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.brand-line2{font-size:11px;color:var(--txt-dim);letter-spacing:.5px;text-transform:uppercase}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
  padding:9px 13px;border-radius:10px;font-size:13.5px;font-weight:600;color:var(--txt-soft);
  border:1px solid transparent;transition:.22s;
}
.nav-links a:hover{color:#fff;background:rgba(56,189,248,.09);border-color:var(--line)}
.nav-links a.active{color:#fff;background:rgba(37,99,235,.24);border-color:var(--line-2)}
.nav-cta{display:flex;align-items:center;gap:10px;margin-left:10px}
.btn-ghost{
  font-size:13.5px;font-weight:700;padding:9px 14px;border-radius:10px;
  border:1px solid var(--line-2);color:var(--brand-3);background:transparent;transition:.22s;white-space:nowrap;
}
.btn-ghost:hover{color:#fff;border-color:var(--brand-2);box-shadow:0 0 16px rgba(56,189,248,.24)}
.btn-solid{
  font-size:13.5px;font-weight:800;padding:10px 17px;border-radius:10px;white-space:nowrap;
  background:linear-gradient(120deg,var(--brand),var(--brand-2));color:#04070F;
  box-shadow:0 0 20px rgba(56,189,248,.36);transition:.22s;border:none;display:inline-block;
}
.btn-solid:hover{transform:translateY(-2px);box-shadow:0 0 28px rgba(56,189,248,.55)}
.btn-solid:active{transform:translateY(0)}
.nav-toggle{display:none;margin-left:auto;background:transparent;border:1px solid var(--line);border-radius:10px;padding:9px 12px;color:var(--txt)}
.mobile-panel{display:none;border-top:1px solid var(--line);background:rgba(4,7,15,.96)}
.mobile-panel.open{display:block}
.mobile-panel a{display:block;padding:13px 20px;font-size:14.5px;font-weight:600;color:var(--txt-soft);border-bottom:1px solid rgba(56,189,248,.09)}
.mobile-panel a.active{color:#fff;background:rgba(37,99,235,.2)}
.mobile-actions{display:flex;gap:10px;padding:14px 20px 20px}
.mobile-actions .btn-ghost,.mobile-actions .btn-solid{flex:1;text-align:center}
/* section base */
.section{padding:60px 0;position:relative}
.section-alt{background:linear-gradient(180deg,rgba(7,18,41,.62),rgba(4,7,15,.30));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-title{font-size:clamp(21px,2.9vw,31px);font-weight:900;line-height:1.3;margin:9px 0 12px;color:#fff}
.eyebrow{font-size:12px;font-weight:800;letter-spacing:1.4px;text-transform:uppercase;color:var(--brand-2)}
.lead{color:var(--txt-soft);font-size:15.4px;max-width:760px}
/* article layout */
.article-wrap{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:34px;align-items:start}
.article-shell{
  border:1px solid var(--line);border-radius:var(--radius-l);
  background:linear-gradient(180deg,rgba(10,26,56,.62),rgba(4,7,15,.5));
  box-shadow:var(--shadow-card);overflow:hidden;
}
.article-hero-media{position:relative;height:300px;overflow:hidden;border-bottom:1px solid var(--line)}
.article-hero-media img{width:100%;height:100%;object-fit:cover;opacity:.72}
.article-hero-media .media-veil{position:absolute;inset:0;background:linear-gradient(180deg,rgba(4,7,15,.2),rgba(4,7,15,.92))}
.article-head{padding:26px 30px 22px;border-bottom:1px solid var(--line)}
.article-meta{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:14px}
.chip{
  display:inline-flex;align-items:center;gap:7px;font-size:11.5px;font-weight:800;letter-spacing:.6px;text-transform:uppercase;
  padding:6px 12px;border-radius:999px;border:1px solid var(--line-2);background:rgba(37,99,235,.18);color:var(--brand-2);
}
.chip-muted{border-color:var(--line);background:rgba(122,147,180,.12);color:var(--txt-soft)}
.article-head h1{
  font-size:clamp(24px,3.4vw,38px);line-height:1.26;font-weight:900;margin:4px 0 12px;
  background:linear-gradient(100deg,#FFFFFF 14%,#BFDBFE 60%,#38BDF8 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.article-head .article-lead{color:var(--txt-soft);font-size:15.4px;margin:0}
.article-body{padding:30px}
.article-body p{margin:0 0 18px;color:#D6E4F5;font-size:15.6px;line-height:1.72}
.article-body h2{font-size:clamp(19px,2.4vw,26px);font-weight:900;color:#fff;margin:34px 0 14px;line-height:1.34;padding-left:14px;border-left:3px solid var(--brand-2)}
.article-body h3{font-size:17.5px;font-weight:800;color:#fff;margin:26px 0 10px}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:22px;color:#D6E4F5}
.article-body li{margin-bottom:9px;font-size:15.4px;line-height:1.66}
.article-body a{color:var(--brand-2);font-weight:700;border-bottom:1px solid rgba(56,189,248,.36)}
.article-body a:hover{color:#fff;border-color:var(--brand-2)}
.article-body img{border-radius:var(--radius);border:1px solid var(--line);margin:22px 0}
.article-body blockquote{
  margin:26px 0;padding:20px 24px;border-radius:var(--radius);
  border-left:3px solid var(--brand-2);
  background:linear-gradient(120deg,rgba(37,99,235,.20),rgba(4,7,15,.25));
  color:#E2EEFB;font-size:16px;font-weight:600;font-style:italic;
}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:14.4px}
.article-body th,.article-body td{border:1px solid var(--line);padding:11px 13px;text-align:left}
.article-body th{background:rgba(37,99,235,.20);color:#fff;font-weight:800}
.article-body td{color:#CFE0F2}
/* pull quote */
.pull-quote{
  margin:30px 0;padding:26px 28px;border-radius:var(--radius-l);
  border:1px solid var(--line-2);
  background:linear-gradient(120deg,rgba(37,99,235,.26),rgba(56,189,248,.10));
  box-shadow:var(--shadow-glow);
}
.pull-quote p{margin:0;font-size:17px;font-weight:700;color:#fff;line-height:1.6}
.pull-quote span{display:block;margin-top:12px;font-size:12.5px;letter-spacing:1px;text-transform:uppercase;color:var(--brand-2);font-weight:800}
/* sidebar */
.side-stack{display:flex;flex-direction:column;gap:20px;position:sticky;top:88px}
.side-card{
  border:1px solid var(--line);border-radius:var(--radius);padding:22px;
  background:linear-gradient(180deg,rgba(10,26,56,.6),rgba(4,7,15,.4));
  box-shadow:var(--shadow-card);
}
.side-card h4{font-size:16px;font-weight:900;color:#fff;margin:0 0 12px}
.side-card p{font-size:14px;color:var(--txt-soft);margin:0 0 14px}
.side-list{display:flex;flex-direction:column;gap:9px;margin:0;padding:0;list-style:none}
.side-list li{display:flex;gap:9px;align-items:flex-start;font-size:13.8px;color:var(--txt-soft)}
.side-list i{color:var(--brand-2);margin-top:4px;font-size:12px}
.side-cta{display:flex;flex-direction:column;gap:10px;margin-top:6px}
.side-cta .btn-solid,.side-cta .btn-ghost{text-align:center;width:100%}
.pay-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:4px}
.pay-pill{
  font-size:12px;font-weight:800;padding:6px 11px;border-radius:999px;
  border:1px solid var(--line-2);color:var(--brand-3);background:rgba(37,99,235,.14);
}
/* value / info blocks */
.info-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.info-card{
  border:1px solid var(--line);border-radius:var(--radius);padding:22px;
  background:rgba(7,18,41,.46);transition:.25s;display:flex;flex-direction:column;gap:10px;
}
.info-card:hover{transform:translateY(-5px);border-color:var(--line-2);box-shadow:0 0 26px rgba(56,189,248,.16)}
.info-ico{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:rgba(37,99,235,.24);border:1px solid var(--line-2);color:var(--brand-2);font-size:17px;
}
.info-card h3{font-size:16.6px;font-weight:800;color:#fff;margin:0}
.info-card p{font-size:14px;color:var(--txt-soft);margin:0}
/* stat band */
.stat-band{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.stat-box{
  border:1px solid var(--line);border-radius:var(--radius);padding:20px;text-align:left;
  background:linear-gradient(160deg,rgba(10,26,56,.7),rgba(4,7,15,.4));
}
.stat-box b{display:block;font-size:clamp(20px,2.6vw,28px);font-weight:900;color:#fff}
.stat-box span{font-size:12.6px;color:var(--txt-dim);text-transform:uppercase;letter-spacing:.8px;font-weight:700}
/* steps */
.step-row{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.step-item{border-top:2px solid var(--line-2);padding-top:16px}
.step-item b{display:block;font-size:13px;color:var(--brand-2);letter-spacing:1.2px;font-weight:900;margin-bottom:8px}
.step-item h4{font-size:15.4px;font-weight:800;color:#fff;margin:0 0 6px}
.step-item p{font-size:13.8px;color:var(--txt-soft);margin:0}
/* faq */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px}
.faq-item{border:1px solid var(--line);border-radius:var(--radius);background:rgba(7,18,41,.48);overflow:hidden}
.faq-q{
  width:100%;text-align:left;background:transparent;border:none;cursor:pointer;
  padding:17px 20px;font-size:15.4px;font-weight:800;color:#fff;display:flex;justify-content:space-between;gap:14px;align-items:center;
}
.faq-q i{color:var(--brand-2);transition:.25s}
.faq-item.open .faq-q i{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;padding:0 20px}
.faq-item.open .faq-a{max-height:340px;padding-bottom:18px}
.faq-a p{margin:0;font-size:14.6px;color:var(--txt-soft)}
/* cms list */
.cms-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.cms-card{
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  background:rgba(7,18,41,.5);transition:.25s;display:flex;flex-direction:column;
}
.cms-card:hover{transform:translateY(-5px);border-color:var(--line-2);box-shadow:0 0 26px rgba(56,189,248,.16)}
.cms-thumb{height:170px;overflow:hidden;border-bottom:1px solid var(--line)}
.cms-thumb img{width:100%;height:100%;object-fit:cover;transition:.4s}
.cms-card:hover .cms-thumb img{transform:scale(1.06)}
.cms-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:9px;flex:1}
.cms-body span{font-size:12px;color:var(--txt-dim);letter-spacing:.6px;text-transform:uppercase;font-weight:700}
.cms-body h3{font-size:16.2px;font-weight:800;color:#fff;margin:0;line-height:1.42}
.cms-body p{font-size:13.8px;color:var(--txt-soft);margin:0;flex:1}
/* cta band */
.cta-band{
  border:1px solid var(--line-2);border-radius:var(--radius-l);padding:34px;
  background:linear-gradient(115deg,rgba(37,99,235,.32),rgba(56,189,248,.12) 60%,rgba(4,7,15,.4));
  box-shadow:var(--shadow-glow);
}
.cta-band h2{font-size:clamp(20px,2.7vw,29px);font-weight:900;color:#fff;margin:0 0 12px}
.cta-band p{color:var(--txt-soft);font-size:15px;margin:0 0 20px;max-width:680px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
/* not found */
.notfound{padding:70px 30px;text-align:center}
.notfound h1{font-size:clamp(22px,3vw,32px);font-weight:900;color:#fff;margin:0 0 12px}
.notfound p{color:var(--txt-soft);margin:0 0 20px}
/* footer */
.site-footer{border-top:1px solid var(--line);background:linear-gradient(180deg,rgba(4,7,15,.6),rgba(2,5,12,.95));padding-top:52px;margin-top:20px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:28px}
.foot-col h5{font-size:14px;font-weight:900;color:#fff;margin:0 0 14px;letter-spacing:.4px}
.foot-col p{font-size:13.6px;color:var(--txt-dim);line-height:1.68;margin:0 0 14px}
.foot-col a{display:block;font-size:13.8px;color:var(--txt-soft);padding:6px 0;transition:.2s}
.foot-col a:hover{color:var(--brand-2);transform:translateX(3px)}
.foot-brand{display:flex;align-items:center;gap:11px;margin-bottom:14px}
.foot-brand .brand-mark{width:40px;height:40px;flex:0 0 40px}
.foot-brand .brand-line1{font-size:13px}
.foot-brand .brand-line2{font-size:10.6px}
.age-badge{
  display:inline-flex;align-items:center;gap:8px;font-size:12.4px;font-weight:800;
  padding:8px 13px;border-radius:999px;border:1px solid var(--line-2);color:var(--warn);background:rgba(251,191,36,.10);
}
.foot-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  border-top:1px solid var(--line);margin-top:34px;padding:20px 0 26px;font-size:12.6px;color:var(--txt-dim);
}
/* fab */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  width:56px;height:56px;border-radius:999px;display:grid;place-items:center;
  background:rgba(7,7,13,.82);backdrop-filter:blur(12px);
  border:2px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.86),rgba(7,7,13,.86)),linear-gradient(135deg,#38BDF8,#2563EB);
  background-origin:border-box;background-clip:padding-box,border-box;
  color:#38BDF8;font-size:20px;box-shadow:0 0 20px rgba(6,182,212,.45);transition:.25s;
}
.fab:hover{transform:scale(1.1);box-shadow:0 0 30px rgba(56,189,248,.7)}
.fab:active{transform:scale(.95)}
.fab .dot{position:absolute;top:6px;right:8px;width:11px;height:11px;border-radius:999px;background:#F43F5E;box-shadow:0 0 10px rgba(244,63,94,.9);animation:pulse 1.6s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
@media (max-width:1024px){
  .article-wrap{grid-template-columns:minmax(0,1fr)}
  .side-stack{position:static}
  .info-grid,.cms-grid,.step-row,.stat-band{grid-template-columns:repeat(2,minmax(0,1fr))}
  .foot-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .nav-links{display:none}
  .nav-cta{display:none}
  .nav-toggle{display:block}
}
@media (max-width:768px){
  .article-body{padding:22px 18px}
  .article-head{padding:20px 18px}
  .article-hero-media{height:220px}
  .cta-band{padding:24px}
}
@media (max-width:520px){
  .info-grid,.cms-grid,.step-row,.stat-band{grid-template-columns:minmax(0,1fr)}
  .foot-grid{grid-template-columns:minmax(0,1fr)}
  .section{padding:42px 0}
  .fab{bottom:88px;left:14px}
}

/* roulang page: category1 */
:root{
  --bg-0:#04070F;
  --bg-1:#071229;
  --bg-2:#0A1A38;
  --line:rgba(56,189,248,.20);
  --line-2:rgba(56,189,248,.38);
  --txt:#F8FAFC;
  --txt-soft:#A8C0DC;
  --txt-dim:#7A93B4;
  --brand:#2563EB;
  --brand-2:#38BDF8;
  --brand-3:#60A5FA;
  --ok:#34D399;
  --warn:#FBBF24;
  --radius-s:10px;
  --radius:16px;
  --radius-l:22px;
  --shadow-glow:0 0 24px rgba(56,189,248,.28);
  --shadow-card:0 18px 48px -22px rgba(2,10,26,.9);
}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:
    radial-gradient(1200px 620px at 82% -8%, rgba(37,99,235,.24), transparent 62%),
    radial-gradient(900px 520px at -6% 14%, rgba(56,189,248,.16), transparent 60%),
    linear-gradient(180deg,var(--bg-0) 0%, var(--bg-1) 52%, var(--bg-0) 100%);
  color:var(--txt);
  font-family:'Segoe UI',Roboto,'Helvetica Neue',Arial,'Noto Sans',sans-serif;
  line-height:1.62;
  letter-spacing:.1px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--brand-2);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
/* header */
.site-header{
  position:sticky;top:0;z-index:60;
  backdrop-filter:blur(14px);
  background:rgba(4,7,15,.82);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;gap:18px;min-height:70px}
.brand{display:flex;align-items:center;gap:11px;min-width:0}
.brand-mark{
  width:42px;height:42px;flex:0 0 42px;border-radius:12px;
  display:grid;place-items:center;font-weight:800;font-size:15px;
  background:linear-gradient(145deg,var(--brand),var(--brand-2));
  color:#04070F;box-shadow:var(--shadow-glow);
}
.brand-text{min-width:0}
.brand-line1{font-size:13.5px;font-weight:800;line-height:1.2;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;display:block}
.brand-line2{font-size:11px;color:var(--txt-dim);letter-spacing:.5px;text-transform:uppercase;display:block}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
  padding:9px 13px;border-radius:10px;font-size:13.5px;font-weight:600;color:var(--txt-soft);
  border:1px solid transparent;transition:.22s;
}
.nav-links a:hover{color:#fff;background:rgba(56,189,248,.09);border-color:var(--line)}
.nav-links a.active{color:#fff;background:rgba(37,99,235,.24);border-color:var(--line-2)}
.nav-cta{display:flex;align-items:center;gap:10px;margin-left:10px}
.btn-ghost{
  font-size:13.5px;font-weight:700;padding:9px 14px;border-radius:10px;
  border:1px solid var(--line-2);color:var(--brand-3);background:transparent;transition:.22s;white-space:nowrap;
}
.btn-ghost:hover{color:#fff;border-color:var(--brand-2);box-shadow:0 0 16px rgba(56,189,248,.24)}
.btn-solid{
  font-size:13.5px;font-weight:800;padding:10px 17px;border-radius:10px;white-space:nowrap;
  background:linear-gradient(120deg,var(--brand),var(--brand-2));color:#04070F;
  box-shadow:0 0 20px rgba(56,189,248,.36);transition:.22s;border:none;display:inline-block;
}
.btn-solid:hover{transform:translateY(-2px);box-shadow:0 0 28px rgba(56,189,248,.55)}
.btn-solid:active{transform:translateY(0)}
.nav-toggle{display:none;margin-left:auto;background:transparent;border:1px solid var(--line);border-radius:10px;padding:9px 12px;color:var(--txt);cursor:pointer}
.mobile-panel{display:none;border-top:1px solid var(--line);background:rgba(4,7,15,.96)}
.mobile-panel.open{display:block}
.mobile-panel a{display:block;padding:13px 20px;font-size:14.5px;font-weight:600;color:var(--txt-soft);border-bottom:1px solid rgba(56,189,248,.09)}
.mobile-panel a.active{color:#fff;background:rgba(37,99,235,.2)}
.mobile-actions{display:flex;gap:10px;padding:14px 20px 20px}
.mobile-actions .btn-ghost,.mobile-actions .btn-solid{flex:1;text-align:center}
/* hero */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.30}
.hero-veil{position:absolute;inset:0;background:linear-gradient(105deg,rgba(4,7,15,.95) 10%,rgba(7,18,41,.82) 54%,rgba(4,7,15,.70) 100%)}
.hero-inner{position:relative;padding:58px 0 54px}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:800;letter-spacing:1.2px;text-transform:uppercase;
  padding:7px 13px;border-radius:999px;border:1px solid var(--line-2);background:rgba(37,99,235,.18);color:var(--brand-2);
}
.hero h1{
  font-size:clamp(25px,4.2vw,44px);line-height:1.24;font-weight:900;margin:18px 0 16px;max-width:900px;color:#fff;
}
.hero h1 span{
  background:linear-gradient(100deg,#FFFFFF 10%,#BFDBFE 58%,#38BDF8 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{max-width:800px;color:var(--txt-soft);font-size:15.5px;margin:0 0 24px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:32px;align-items:start}
/* route map */
.route-box{
  border:1px solid var(--line);border-radius:var(--radius-l);
  background:linear-gradient(160deg,rgba(10,26,56,.72),rgba(4,7,15,.60));
  padding:22px;box-shadow:var(--shadow-card);
}
.route-box h3{font-size:15px;font-weight:800;margin:0 0 16px;color:#fff;letter-spacing:.3px}
.route-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:14px}
.route-list li{display:flex;gap:14px;align-items:flex-start}
.route-node{
  flex:0 0 34px;width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  font-size:12px;font-weight:800;color:#04070F;background:linear-gradient(140deg,var(--brand-2),var(--brand-3));
}
.route-body{min-width:0}
.route-body strong{display:block;font-size:14px;font-weight:800;color:#fff;margin-bottom:3px}
.route-body span{font-size:12.8px;color:var(--txt-soft);line-height:1.5}
.route-sub{
  margin-top:18px;padding-top:16px;border-top:1px dashed var(--line-2);display:flex;flex-direction:column;gap:10px;
}
.route-sub input{
  width:100%;padding:11px 13px;border-radius:var(--radius-s);
  background:rgba(4,7,15,.72);border:1px solid var(--line);color:var(--txt);font-size:13.6px;
}
.route-sub input::placeholder{color:var(--txt-dim)}
.route-sub .btn-solid{width:100%;text-align:center}
.route-sub small{font-size:11.6px;color:var(--txt-dim);line-height:1.5}
/* section base */
.section{padding:58px 0;position:relative}
.section-alt{background:linear-gradient(180deg,rgba(7,18,41,.62),rgba(4,7,15,.30));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{max-width:760px;margin-bottom:30px}
.sec-eyebrow{font-size:11.8px;font-weight:800;letter-spacing:1.4px;text-transform:uppercase;color:var(--brand-2)}
.sec-title{font-size:clamp(20px,2.8vw,30px);font-weight:900;line-height:1.3;margin:9px 0 12px;color:#fff}
.sec-desc{font-size:14.8px;color:var(--txt-soft);margin:0}
/* metrics */
.metric-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.metric{
  padding:20px;border-radius:var(--radius);border:1px solid var(--line);
  background:linear-gradient(155deg,rgba(10,26,56,.62),rgba(4,7,15,.44));
  box-shadow:var(--shadow-card);
}
.metric b{display:block;font-size:clamp(21px,2.6vw,29px);font-weight:900;color:#fff;line-height:1.15}
.metric span{display:block;margin-top:6px;font-size:12.6px;color:var(--txt-soft)}
/* value */
.val-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.val-item{display:flex;gap:15px;padding:20px;border:1px solid var(--line);border-radius:var(--radius);background:rgba(7,18,41,.44);transition:.25s}
.val-item:hover{border-color:var(--line-2);background:rgba(10,26,56,.6);transform:translateY(-3px)}
.val-ico{
  flex:0 0 42px;width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  background:rgba(56,189,248,.14);color:var(--brand-2);font-size:17px;
}
.val-item h4{font-size:15.5px;font-weight:800;margin:0 0 6px;color:#fff}
.val-item p{font-size:13.8px;color:var(--txt-soft);margin:0}
/* compare */
.cmp-wrap{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.cmp-col{border:1px solid var(--line);border-radius:var(--radius-l);padding:24px;background:rgba(7,18,41,.46)}
.cmp-col.good{border-color:var(--line-2);background:linear-gradient(165deg,rgba(37,99,235,.20),rgba(4,7,15,.50))}
.cmp-col h3{font-size:16.5px;font-weight:800;margin:0 0 14px;color:#fff}
.cmp-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:11px}
.cmp-list li{display:flex;gap:10px;font-size:13.9px;color:var(--txt-soft)}
.cmp-list i{font-size:13px;margin-top:4px}
.cmp-col.good .cmp-list i{color:var(--ok)}
.cmp-col .cmp-list i{color:var(--txt-dim)}
/* steps */
.step-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.step{padding:22px;border:1px solid var(--line);border-radius:var(--radius);background:rgba(7,18,41,.44);position:relative;transition:.25s}
.step:hover{border-color:var(--line-2);transform:translateY(-4px)}
.step-num{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  font-size:13px;font-weight:900;color:#04070F;background:linear-gradient(140deg,var(--brand-2),var(--brand-3));margin-bottom:13px;
}
.step h4{font-size:15px;font-weight:800;margin:0 0 7px;color:#fff}
.step p{font-size:13.5px;color:var(--txt-soft);margin:0}
/* device cards */
.dev-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.dev-card{
  border:1px solid var(--line);border-radius:var(--radius-l);overflow:hidden;background:rgba(7,18,41,.44);
  display:flex;flex-direction:column;transition:.25s;
}
.dev-card:hover{border-color:var(--line-2);transform:translateY(-5px);box-shadow:var(--shadow-glow)}
.dev-card img{width:100%;height:168px;object-fit:cover}
.dev-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.dev-body h3{font-size:16.5px;font-weight:800;margin:0;color:#fff}
.dev-body p{font-size:13.8px;color:var(--txt-soft);margin:0;flex:1}
.badge-row{display:flex;flex-wrap:wrap;gap:8px}
.badge{
  font-size:11.6px;font-weight:700;padding:5px 10px;border-radius:999px;
  border:1px solid var(--line);background:rgba(56,189,248,.10);color:var(--brand-2);
}
.badge.ok{border-color:rgba(52,211,153,.35);background:rgba(52,211,153,.12);color:var(--ok)}
.badge.warn{border-color:rgba(251,191,36,.35);background:rgba(251,191,36,.12);color:var(--warn)}
/* milestone */
.mile-list{display:flex;flex-direction:column;gap:0}
.mile{display:grid;grid-template-columns:120px 1fr;gap:22px;padding:22px 0;border-bottom:1px solid var(--line)}
.mile:last-child{border-bottom:none}
.mile-key{font-size:12.6px;font-weight:800;letter-spacing:.6px;text-transform:uppercase;color:var(--brand-2)}
.mile-body h4{font-size:15.6px;font-weight:800;margin:0 0 6px;color:#fff}
.mile-body p{font-size:13.8px;color:var(--txt-soft);margin:0}
/* news */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.news-card{
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:rgba(7,18,41,.44);
  display:flex;flex-direction:column;transition:.25s;
}
.news-card:hover{border-color:var(--line-2);transform:translateY(-4px)}
.news-card img{width:100%;height:150px;object-fit:cover}
.news-body{padding:18px;display:flex;flex-direction:column;gap:9px;flex:1}
.news-meta{font-size:11.6px;color:var(--txt-dim);display:flex;gap:10px;flex-wrap:wrap}
.news-body h3{font-size:15px;font-weight:800;margin:0;color:#fff;line-height:1.45}
.news-body p{font-size:13.4px;color:var(--txt-soft);margin:0;flex:1}
.empty-note{font-size:14px;color:var(--txt-dim);padding:26px;border:1px dashed var(--line-2);border-radius:var(--radius);text-align:center}
/* trust */
.trust-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.trust-item{padding:22px;border:1px solid var(--line);border-radius:var(--radius);background:rgba(7,18,41,.42);text-align:left}
.trust-item i{font-size:20px;color:var(--brand-2);margin-bottom:12px;display:block}
.trust-item h4{font-size:15.2px;font-weight:800;margin:0 0 7px;color:#fff}
.trust-item p{font-size:13.6px;color:var(--txt-soft);margin:0}
/* pay */
.pay-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.pay-pill{
  font-size:12.4px;font-weight:700;padding:8px 14px;border-radius:999px;
  border:1px solid var(--line-2);background:rgba(56,189,248,.10);color:var(--brand-2);
}
/* faq */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:900px}
.faq-item{border:1px solid var(--line);border-radius:var(--radius);background:rgba(7,18,41,.42);overflow:hidden}
.faq-item summary{
  list-style:none;cursor:pointer;padding:17px 20px;font-size:14.8px;font-weight:700;color:#fff;
  display:flex;justify-content:space-between;gap:14px;align-items:center;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;font-size:12px;color:var(--brand-2);transition:.22s}
.faq-item[open] summary::after{content:"\f068"}
.faq-item p{margin:0;padding:0 20px 18px;font-size:13.9px;color:var(--txt-soft)}
/* cta */
.cta-band{
  border:1px solid var(--line-2);border-radius:var(--radius-l);padding:34px;
  background:linear-gradient(140deg,rgba(37,99,235,.26),rgba(4,7,15,.62));
  display:grid;grid-template-columns:1.3fr .7fr;gap:26px;align-items:center;box-shadow:var(--shadow-card);
}
.cta-band h2{font-size:clamp(20px,2.6vw,28px);font-weight:900;margin:0 0 12px;color:#fff;line-height:1.32}
.cta-band p{font-size:14.4px;color:var(--txt-soft);margin:0 0 20px}
.cta-form{display:flex;flex-direction:column;gap:11px}
.cta-form input{
  padding:12px 14px;border-radius:var(--radius-s);background:rgba(4,7,15,.75);
  border:1px solid var(--line);font-size:13.8px;color:var(--txt);
}
.cta-form input::placeholder{color:var(--txt-dim)}
.cta-form .btn-solid{text-align:center}
.cta-form small{font-size:11.6px;color:var(--txt-dim);line-height:1.5}
/* footer */
.site-footer{border-top:1px solid var(--line);background:linear-gradient(180deg,rgba(4,7,15,.92),rgba(7,18,41,.72));padding:44px 0 22px;margin-top:10px}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:26px}
.foot-brand{display:flex;align-items:center;gap:11px;margin-bottom:14px}
.foot-brand .brand-mark{width:40px;height:40px;flex:0 0 40px}
.foot-col h5{font-size:13px;font-weight:800;text-transform:uppercase;letter-spacing:.9px;color:#fff;margin:0 0 13px}
.foot-col p{font-size:13.4px;color:var(--txt-soft);margin:0 0 14px}
.foot-col a{display:block;font-size:13.4px;color:var(--txt-soft);padding:5px 0;transition:.2s}
.foot-col a:hover{color:var(--brand-2);padding-left:5px}
.age-badge{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:700;
  padding:7px 12px;border-radius:999px;border:1px solid rgba(251,191,36,.35);
  background:rgba(251,191,36,.12);color:var(--warn);margin-top:6px;
}
.foot-bottom{
  margin-top:26px;padding-top:18px;border-top:1px solid var(--line);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:12.4px;color:var(--txt-dim);
}
/* fab */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;width:56px;height:56px;border-radius:50%;
  display:grid;place-items:center;font-size:19px;color:#04070F;opacity:.85;
  background:linear-gradient(145deg,var(--brand-2),var(--brand-3));
  border:2px solid rgba(255,255,255,.35);
  box-shadow:0 0 22px rgba(56,189,248,.5);
  animation:fabFloat 3.4s ease-in-out infinite;transition:.25s;
}
.fab:hover{opacity:1;transform:scale(1.1) rotate(360deg);box-shadow:0 0 30px rgba(56,189,248,.8)}
.fab:active{transform:scale(.94) translateY(3px)}
.fab .dot{position:absolute;top:-3px;right:-3px;width:14px;height:14px;border-radius:50%;background:#EF4444;border:2px solid #fff}
@keyframes fabFloat{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}
/* reveal */
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease, transform .6s ease}
.reveal.in{opacity:1;transform:none}
/* responsive */
@media(max-width:1024px){
  .nav-links{display:none}
  .nav-cta{display:none}
  .nav-toggle{display:block}
  .hero-grid{grid-template-columns:1fr}
  .metric-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .val-grid{grid-template-columns:1fr}
  .step-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .dev-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .trust-row{grid-template-columns:1fr}
  .cmp-wrap{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-band{grid-template-columns:1fr}
}
@media(max-width:768px){
  .section{padding:44px 0}
  .hero-inner{padding:44px 0 40px}
  .hero h1{font-size:26px}
  .mile{grid-template-columns:1fr;gap:8px}
}
@media(max-width:520px){
  .container{padding:0 15px}
  .metric-grid{grid-template-columns:1fr}
  .step-grid{grid-template-columns:1fr}
  .dev-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr;gap:22px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn-solid,.hero-actions .btn-ghost{text-align:center;width:100%}
  .cta-band{padding:24px}
  .brand-line1{font-size:12.4px;white-space:normal}
}

/* roulang page: category2 */
:root{
  --bg-0:#04070F;
  --bg-1:#071229;
  --bg-2:#0A1A38;
  --line:rgba(56,189,248,.20);
  --line-2:rgba(56,189,248,.38);
  --txt:#F8FAFC;
  --txt-soft:#A8C0DC;
  --txt-dim:#7A93B4;
  --brand:#2563EB;
  --brand-2:#38BDF8;
  --brand-3:#60A5FA;
  --ok:#34D399;
  --warn:#FBBF24;
  --radius-s:10px;
  --radius:16px;
  --radius-l:22px;
  --shadow-glow:0 0 24px rgba(56,189,248,.28);
  --shadow-card:0 18px 48px -22px rgba(2,10,26,.9);
}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:
    radial-gradient(1200px 620px at 82% -8%, rgba(37,99,235,.24), transparent 62%),
    radial-gradient(900px 520px at -6% 14%, rgba(56,189,248,.16), transparent 60%),
    linear-gradient(180deg,var(--bg-0) 0%, var(--bg-1) 52%, var(--bg-0) 100%);
  color:var(--txt);
  font-family:'Segoe UI',Roboto,'Helvetica Neue',Arial,'Noto Sans',sans-serif;
  line-height:1.62;
  letter-spacing:.1px;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--brand-2);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.grid-dots{position:relative}
.grid-dots::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(96,165,250,.14) 1px, transparent 1px);
  background-size:26px 26px;
  mask-image:linear-gradient(180deg, rgba(0,0,0,.55), transparent 80%);
  pointer-events:none;
}
/* header */
.site-header{
  position:sticky;top:0;z-index:60;
  backdrop-filter:blur(14px);
  background:rgba(4,7,15,.82);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;gap:18px;min-height:70px}
.brand{display:flex;align-items:center;gap:11px;min-width:0}
.brand-mark{
  width:42px;height:42px;flex:0 0 42px;border-radius:12px;
  display:grid;place-items:center;font-weight:800;font-size:15px;
  background:linear-gradient(145deg,var(--brand),var(--brand-2));
  color:#04070F;box-shadow:var(--shadow-glow);
}
.brand-text{min-width:0}
.brand-line1{font-size:13.5px;font-weight:800;line-height:1.2;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.brand-line2{font-size:11px;color:var(--txt-dim);letter-spacing:.5px;text-transform:uppercase}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
  padding:9px 13px;border-radius:10px;font-size:13.5px;font-weight:600;color:var(--txt-soft);
  border:1px solid transparent;transition:.22s;
}
.nav-links a:hover{color:#fff;background:rgba(56,189,248,.09);border-color:var(--line)}
.nav-links a.active{color:#fff;background:rgba(37,99,235,.24);border-color:var(--line-2)}
.nav-cta{display:flex;align-items:center;gap:10px;margin-left:10px}
.btn-ghost{
  font-size:13.5px;font-weight:700;padding:9px 14px;border-radius:10px;
  border:1px solid var(--line-2);color:var(--brand-3);background:transparent;transition:.22s;white-space:nowrap;
}
.btn-ghost:hover{color:#fff;border-color:var(--brand-2);box-shadow:0 0 16px rgba(56,189,248,.24)}
.btn-solid{
  font-size:13.5px;font-weight:800;padding:10px 17px;border-radius:10px;white-space:nowrap;
  background:linear-gradient(120deg,var(--brand),var(--brand-2));color:#04070F;
  box-shadow:0 0 20px rgba(56,189,248,.36);transition:.22s;border:none;display:inline-block;
}
.btn-solid:hover{transform:translateY(-2px);box-shadow:0 0 28px rgba(56,189,248,.55)}
.btn-solid:active{transform:translateY(0)}
.btn-line{
  font-size:14px;font-weight:700;padding:11px 18px;border-radius:12px;border:1px solid var(--line-2);
  color:#fff;background:rgba(10,26,56,.5);transition:.22s;display:inline-flex;align-items:center;gap:8px;
}
.btn-line:hover{background:rgba(37,99,235,.28);box-shadow:0 0 22px rgba(56,189,248,.2)}
.nav-toggle{display:none;margin-left:auto;background:transparent;border:1px solid var(--line);border-radius:10px;padding:9px 12px;color:var(--txt)}
.mobile-panel{display:none;border-top:1px solid var(--line);background:rgba(4,7,15,.96)}
.mobile-panel.open{display:block}
.mobile-panel a{display:block;padding:13px 20px;font-size:14.5px;font-weight:600;color:var(--txt-soft);border-bottom:1px solid rgba(56,189,248,.09)}
.mobile-panel a.active{color:#fff;background:rgba(37,99,235,.2)}
.mobile-actions{display:flex;gap:10px;padding:14px 20px 20px}
.mobile-actions .btn-ghost,.mobile-actions .btn-solid{flex:1;text-align:center}
/* breadcrumb */
.crumb{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:12.5px;color:var(--txt-dim);padding:16px 0 0}
.crumb a{color:var(--brand-3)}
.crumb span.dot{opacity:.5}
/* category hero */
.cat-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.cat-hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.32}
.cat-hero-veil{position:absolute;inset:0;background:linear-gradient(104deg,rgba(4,7,15,.95) 10%,rgba(7,18,41,.80) 55%,rgba(4,7,15,.68) 100%)}
.cat-hero-inner{position:relative;padding:44px 0 52px}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:800;letter-spacing:1.2px;text-transform:uppercase;
  padding:7px 13px;border-radius:999px;border:1px solid var(--line-2);background:rgba(37,99,235,.18);color:var(--brand-2);
}
.cat-hero h1{
  font-size:clamp(25px,4.2vw,43px);line-height:1.22;font-weight:900;margin:20px 0 16px;max-width:900px;
  background:linear-gradient(100deg,#FFFFFF 12%,#BFDBFE 58%,#38BDF8 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.cat-hero .lead{max-width:800px;color:var(--txt-soft);font-size:15.5px;margin:0 0 26px}
.cat-hero-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.tab-bar{display:flex;flex-wrap:wrap;gap:10px;margin-top:32px}
.tab-bar a{
  font-size:13px;font-weight:700;padding:9px 15px;border-radius:999px;border:1px solid var(--line);
  color:var(--txt-soft);background:rgba(10,26,56,.5);transition:.22s;
}
.tab-bar a:hover{color:#fff;border-color:var(--line-2);box-shadow:0 0 18px rgba(56,189,248,.18)}
.tab-bar a.current{background:linear-gradient(120deg,rgba(37,99,235,.4),rgba(56,189,248,.28));color:#fff;border-color:var(--line-2)}
/* metric board */
.metric-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.metric{
  padding:20px;border:1px solid var(--line);border-radius:var(--radius);background:rgba(7,18,41,.5);
  backdrop-filter:blur(10px);transition:.25s;
}
.metric:hover{border-color:var(--line-2);box-shadow:0 0 26px rgba(56,189,248,.16);transform:translateY(-4px)}
.metric .num{font-size:26px;font-weight:900;color:#fff;line-height:1.16}
.metric .num small{font-size:13px;font-weight:800;color:var(--brand-2);margin-left:3px}
.metric .lbl{font-size:13px;color:var(--txt-soft);margin-top:7px}
.metric .bar{height:5px;border-radius:999px;background:rgba(56,189,248,.14);margin-top:13px;overflow:hidden}
.metric .bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--brand),var(--brand-2))}
/* section */
.section{padding:60px 0;position:relative}
.section-alt{background:linear-gradient(180deg,rgba(7,18,41,.62),rgba(4,7,15,.30));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{max-width:760px;margin-bottom:30px}
.sec-kicker{font-size:12px;font-weight:800;letter-spacing:1.4px;text-transform:uppercase;color:var(--brand-2)}
.sec-title{font-size:clamp(21px,2.9vw,31px);font-weight:900;line-height:1.3;margin:9px 0 12px;color:#fff}
.sec-sub{color:var(--txt-soft);font-size:15px;margin:0}
/* glass card */
.glass{
  background:linear-gradient(160deg,rgba(10,26,56,.72),rgba(7,18,41,.5));
  border:1px solid var(--line);border-radius:var(--radius);backdrop-filter:blur(12px);
  box-shadow:var(--shadow-card);
}
/* benefit cards */
.benefit-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.benefit{padding:24px;display:flex;flex-direction:column;gap:12px;transition:.25s}
.benefit:hover{transform:translateY(-5px);border-color:var(--line-2);box-shadow:0 0 30px rgba(56,189,248,.16)}
.benefit .ico{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;font-size:19px;
  background:linear-gradient(145deg,rgba(37,99,235,.34),rgba(56,189,248,.22));color:var(--brand-2);border:1px solid var(--line-2);
}
.benefit h3{font-size:16.6px;font-weight:800;margin:0;color:#fff}
.benefit p{font-size:14px;color:var(--txt-soft);margin:0}
.benefit .amt{font-size:15px;font-weight:900;color:var(--warn)}
/* scene split */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:34px;align-items:center}
.split-visual{position:relative;border-radius:var(--radius-l);overflow:hidden;border:1px solid var(--line)}
.split-visual img{width:100%;aspect-ratio:16/11;object-fit:cover}
.split-visual .veil{position:absolute;inset:0;background:linear-gradient(180deg,rgba(4,7,15,.1),rgba(4,7,15,.72))}
.split-visual .cap{
  position:absolute;left:18px;bottom:16px;right:18px;font-size:13px;font-weight:700;color:#E2F2FF;
}
.scene-list{list-style:none;padding:0;margin:20px 0 0;display:grid;gap:13px}
.scene-list li{display:flex;gap:12px;align-items:flex-start;font-size:14.4px;color:var(--txt-soft)}
.scene-list li i{color:var(--ok);margin-top:4px}
/* steps */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;counter-reset:step}
.step{padding:22px 20px;position:relative;transition:.25s}
.step:hover{border-color:var(--line-2);transform:translateY(-4px)}
.step .idx{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;font-weight:900;font-size:14px;
  background:linear-gradient(145deg,var(--brand),var(--brand-2));color:#04070F;margin-bottom:13px;
}
.step h4{font-size:15.4px;font-weight:800;margin:0 0 7px;color:#fff}
.step p{font-size:13.6px;color:var(--txt-soft);margin:0}
/* compare table */
.cmp-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:rgba(7,18,41,.42)}
table.cmp{width:100%;border-collapse:collapse;min-width:620px}
table.cmp th,table.cmp td{padding:15px 18px;text-align:left;font-size:14px;border-bottom:1px solid rgba(56,189,248,.12)}
table.cmp thead th{background:rgba(37,99,235,.2);color:#fff;font-weight:800;font-size:13.4px;letter-spacing:.4px}
table.cmp tbody td{color:var(--txt-soft)}
table.cmp tbody tr:hover{background:rgba(56,189,248,.06)}
table.cmp td strong{color:#fff}
.pill-ok{font-size:12px;font-weight:800;padding:4px 10px;border-radius:999px;background:rgba(52,211,153,.16);color:var(--ok);border:1px solid rgba(52,211,153,.34)}
.pill-dim{font-size:12px;font-weight:800;padding:4px 10px;border-radius:999px;background:rgba(122,147,180,.14);color:var(--txt-dim);border:1px solid rgba(122,147,180,.28)}
/* timeline */
.timeline{display:grid;gap:14px}
.tl-item{display:grid;grid-template-columns:120px 1fr;gap:18px;padding:18px 20px;border-left:2px solid var(--line-2);background:rgba(7,18,41,.4);border-radius:0 var(--radius) var(--radius) 0;transition:.24s}
.tl-item:hover{background:rgba(10,26,56,.62)}
.tl-item .when{font-size:13px;font-weight:800;color:var(--brand-2)}
.tl-item h4{margin:0 0 6px;font-size:15.4px;font-weight:800;color:#fff}
.tl-item p{margin:0;font-size:13.8px;color:var(--txt-soft)}
/* news list */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.news-card{overflow:hidden;display:flex;flex-direction:column;transition:.25s}
.news-card:hover{transform:translateY(-5px);border-color:var(--line-2);box-shadow:0 0 30px rgba(56,189,248,.16)}
.news-thumb{position:relative;aspect-ratio:16/9;overflow:hidden}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:.4s}
.news-card:hover .news-thumb img{transform:scale(1.06)}
.news-thumb .veil{position:absolute;inset:0;background:linear-gradient(180deg,transparent 38%,rgba(4,7,15,.8))}
.news-body{padding:18px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-body h3{font-size:15.6px;font-weight:800;margin:0;color:#fff;line-height:1.44}
.news-body p{font-size:13.6px;color:var(--txt-soft);margin:0;flex:1}
.tag{display:inline-flex;align-items:center;gap:6px;font-size:11.5px;font-weight:800;letter-spacing:.6px;text-transform:uppercase;padding:4px 10px;border-radius:999px;background:rgba(37,99,235,.22);color:var(--brand-2);border:1px solid var(--line-2)}
.meta{display:flex;gap:12px;font-size:12.3px;color:var(--txt-dim)}
.news-empty{padding:26px;border:1px dashed var(--line-2);border-radius:var(--radius);color:var(--txt-soft);font-size:14px}
/* security */
.sec-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.sec-card{padding:20px;display:flex;flex-direction:column;gap:10px}
.sec-card i{font-size:20px;color:var(--brand-2)}
.sec-card h4{font-size:14.8px;font-weight:800;margin:0;color:#fff}
.sec-card p{font-size:13.4px;color:var(--txt-soft);margin:0}
/* faq */
.faq-list{display:grid;gap:12px}
.faq-item{border:1px solid var(--line);border-radius:var(--radius);background:rgba(7,18,41,.44);overflow:hidden}
.faq-item summary{
  list-style:none;cursor:pointer;padding:17px 20px;font-size:15px;font-weight:800;color:#fff;
  display:flex;justify-content:space-between;gap:14px;align-items:center;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary i{color:var(--brand-2);transition:.24s}
.faq-item[open] summary i{transform:rotate(45deg)}
.faq-item .ans{padding:0 20px 18px;font-size:14px;color:var(--txt-soft)}
/* CTA */
.cta-box{
  padding:34px;display:grid;grid-template-columns:1.4fr 1fr;gap:28px;align-items:center;
  border-radius:var(--radius-l);border:1px solid var(--line-2);
  background:linear-gradient(120deg,rgba(37,99,235,.30),rgba(56,189,248,.16));
  box-shadow:0 0 40px rgba(56,189,248,.14);
}
.cta-box h2{font-size:clamp(20px,2.6vw,28px);font-weight:900;margin:0 0 12px;color:#fff}
.cta-box p{margin:0 0 20px;color:#DCEBFA;font-size:14.6px}
.cta-form{display:grid;gap:12px}
.cta-form input{
  width:100%;padding:12px 14px;border-radius:12px;border:1px solid var(--line-2);
  background:rgba(4,7,15,.6);color:#fff;font-size:14px;
}
.cta-form input::placeholder{color:var(--txt-dim)}
.cta-form input:focus{border-color:var(--brand-2);box-shadow:0 0 0 3px rgba(56,189,248,.18);outline:none}
.cta-note{font-size:12.4px;color:var(--txt-dim);margin:0}
/* footer */
.site-footer{
  border-top:1px solid var(--line);margin-top:20px;
  background:linear-gradient(180deg,rgba(7,18,41,.72),rgba(4,7,15,.96));
  padding:52px 0 24px;
}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:30px}
.foot-brand{display:flex;align-items:center;gap:11px;margin-bottom:14px}
.foot-col h5{font-size:13px;font-weight:800;text-transform:uppercase;letter-spacing:1px;color:#fff;margin:0 0 14px}
.foot-col p,.foot-col a{display:block;font-size:13.6px;color:var(--txt-soft);margin:0 0 10px}
.foot-col a:hover{color:var(--brand-2)}
.pay-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.pay-pill{font-size:12px;font-weight:700;padding:5px 11px;border-radius:8px;border:1px solid var(--line);color:var(--brand-3);background:rgba(10,26,56,.5)}
.age-badge{display:inline-flex;align-items:center;gap:7px;font-size:12.4px;font-weight:800;padding:7px 12px;border-radius:999px;border:1px solid rgba(251,191,36,.4);color:var(--warn);background:rgba(251,191,36,.08);margin-top:8px}
.foot-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;margin-top:34px;padding-top:20px;
  border-top:1px solid var(--line);font-size:12.6px;color:var(--txt-dim);
}
/* fab */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;width:58px;height:58px;border-radius:50%;
  display:grid;place-items:center;background:rgba(7,7,13,.82);backdrop-filter:blur(10px);
  border:2px solid var(--brand-2);color:var(--brand-2);font-size:21px;
  box-shadow:0 0 22px rgba(56,189,248,.45);transition:.25s;opacity:.8;
}
.fab:hover{opacity:1;transform:scale(1.1)}
.fab:active{transform:scale(.95) translateY(2px)}
.fab .dot{
  position:absolute;top:2px;right:2px;width:12px;height:12px;border-radius:50%;
  background:#EF4444;border:2px solid #0A0A0A;
}
/* responsive */
@media (max-width:1024px){
  .nav-links,.nav-cta{display:none}
  .nav-toggle{display:inline-block}
  .metric-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .benefit-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .sec-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .split{grid-template-columns:1fr}
  .cta-box{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:768px){
  .benefit-grid,.steps,.sec-grid,.news-grid{grid-template-columns:1fr}
  .tl-item{grid-template-columns:1fr;gap:8px}
  .metric-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cat-hero-inner{padding:34px 0 40px}
  .section{padding:44px 0}
}
@media (max-width:520px){
  .metric-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .brand-line1{font-size:12.4px;white-space:normal}
  .cta-box{padding:24px}
  .fab{width:52px;height:52px;font-size:19px;bottom:90px}
}

/* roulang page: category3 */
:root{
  --bg-0:#04070F;
  --bg-1:#071229;
  --bg-2:#0A1A38;
  --line:rgba(56,189,248,.20);
  --line-2:rgba(56,189,248,.38);
  --txt:#F8FAFC;
  --txt-soft:#A8C0DC;
  --txt-dim:#7A93B4;
  --brand:#2563EB;
  --brand-2:#38BDF8;
  --brand-3:#60A5FA;
  --ok:#34D399;
  --warn:#FBBF24;
  --radius-s:10px;
  --radius:16px;
  --radius-l:22px;
  --shadow-glow:0 0 24px rgba(56,189,248,.28);
  --shadow-card:0 18px 48px -22px rgba(2,10,26,.9);
}

/* ===== base / reset ===== */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:
    radial-gradient(1200px 620px at 82% -8%, rgba(37,99,235,.24), transparent 62%),
    radial-gradient(900px 520px at -6% 14%, rgba(56,189,248,.16), transparent 60%),
    linear-gradient(180deg,var(--bg-0) 0%, var(--bg-1) 52%, var(--bg-0) 100%);
  color:var(--txt);
  font-family:'Segoe UI',Roboto,'Helvetica Neue',Arial,'Noto Sans',sans-serif;
  line-height:1.62;
  letter-spacing:.1px;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,h5{margin:0 0 10px;line-height:1.28}
p{margin:0 0 12px}
ul{margin:0;padding-left:20px}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{
  outline:2px solid var(--brand-2);outline-offset:3px;border-radius:6px;
}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.glass{
  background:linear-gradient(150deg, rgba(10,26,56,.72), rgba(7,18,41,.52));
  border:1px solid var(--line);
  border-radius:var(--radius);
  backdrop-filter:blur(10px);
  box-shadow:var(--shadow-card);
}

/* ===== header ===== */
.site-header{
  position:sticky;top:0;z-index:60;
  backdrop-filter:blur(14px);
  background:rgba(4,7,15,.82);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;gap:18px;min-height:70px}
.brand{display:flex;align-items:center;gap:11px;min-width:0}
.brand-mark{
  width:42px;height:42px;flex:0 0 42px;border-radius:12px;
  display:grid;place-items:center;font-weight:800;font-size:15px;
  background:linear-gradient(145deg,var(--brand),var(--brand-2));
  color:#04070F;box-shadow:var(--shadow-glow);
}
.brand-text{min-width:0;display:flex;flex-direction:column}
.brand-line1{font-size:13.5px;font-weight:800;line-height:1.2;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.brand-line2{font-size:11px;color:var(--txt-dim);letter-spacing:.5px;text-transform:uppercase}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
  padding:9px 13px;border-radius:10px;font-size:13.5px;font-weight:600;color:var(--txt-soft);
  border:1px solid transparent;transition:.22s;white-space:nowrap;
}
.nav-links a:hover{color:#fff;background:rgba(56,189,248,.09);border-color:var(--line)}
.nav-links a.active{color:#fff;background:rgba(37,99,235,.24);border-color:var(--line-2)}
.nav-cta{display:flex;align-items:center;gap:10px;margin-left:10px}
.btn-ghost{
  font-size:13.5px;font-weight:700;padding:9px 14px;border-radius:10px;
  border:1px solid var(--line-2);color:var(--brand-3);background:transparent;transition:.22s;white-space:nowrap;display:inline-block;
}
.btn-ghost:hover{color:#fff;border-color:var(--brand-2);box-shadow:0 0 16px rgba(56,189,248,.24)}
.btn-solid{
  font-size:13.5px;font-weight:800;padding:10px 17px;border-radius:10px;white-space:nowrap;
  background:linear-gradient(120deg,var(--brand),var(--brand-2));color:#04070F;
  box-shadow:0 0 20px rgba(56,189,248,.36);transition:.22s;border:none;display:inline-block;
}
.btn-solid:hover{transform:translateY(-2px);box-shadow:0 0 28px rgba(56,189,248,.55)}
.btn-solid:active{transform:translateY(0) scale(.99)}
.nav-toggle{display:none;margin-left:auto;background:transparent;border:1px solid var(--line);border-radius:10px;padding:9px 12px;color:var(--txt);cursor:pointer}
.mobile-panel{display:none;border-top:1px solid var(--line);background:rgba(4,7,15,.96)}
.mobile-panel.open{display:block}
.mobile-panel a{display:block;padding:13px 20px;font-size:14.5px;font-weight:600;color:var(--txt-soft);border-bottom:1px solid rgba(56,189,248,.09)}
.mobile-panel a.active{color:#fff;background:rgba(37,99,235,.2)}
.mobile-actions{display:flex;gap:10px;padding:14px 20px 20px}
.mobile-actions .btn-ghost,.mobile-actions .btn-solid{flex:1;text-align:center}

/* ===== hero ===== */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line)}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.32}
.hero-veil{position:absolute;inset:0;background:linear-gradient(105deg,rgba(4,7,15,.95) 10%,rgba(7,18,41,.82) 52%,rgba(4,7,15,.66) 100%)}
.hero-inner{position:relative;padding:56px 0 56px;display:grid;grid-template-columns:1.08fr .92fr;gap:40px;align-items:center}
.crumb{font-size:12.5px;color:var(--txt-dim);margin-bottom:16px}
.crumb a{color:var(--brand-2)}
.crumb a:hover{color:#fff}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;font-size:11.5px;font-weight:800;letter-spacing:1.2px;text-transform:uppercase;
  padding:7px 13px;border-radius:999px;border:1px solid var(--line-2);background:rgba(37,99,235,.18);color:var(--brand-2);
}
.hero h1{
  font-size:clamp(26px,5vw,44px);line-height:1.2;font-weight:900;margin:18px 0 16px;
  background:linear-gradient(100deg,#FFFFFF 12%,#BFDBFE 58%,#38BDF8 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{max-width:640px;color:var(--txt-soft);font-size:15.5px;margin:0 0 24px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.btn-lg{padding:13px 22px;font-size:14.5px;border-radius:12px}
.hero-note{font-size:12.5px;color:var(--txt-dim);margin-top:16px}

/* hero panel */
.panel{padding:24px}
.panel h3{font-size:16px;font-weight:800;display:flex;align-items:center;gap:9px;margin-bottom:6px}
.panel-sub{font-size:12.8px;color:var(--txt-dim);margin-bottom:18px}
.progress-row{margin-bottom:15px}
.progress-top{display:flex;justify-content:space-between;font-size:13px;font-weight:600;color:var(--txt-soft);margin-bottom:7px}
.progress-top b{color:var(--brand-2)}
.bar{height:8px;border-radius:99px;background:rgba(56,189,248,.14);overflow:hidden}
.bar span{display:block;height:100%;border-radius:99px;background:linear-gradient(90deg,var(--brand),var(--brand-2));box-shadow:0 0 14px rgba(56,189,248,.5)}
.reward-box{
  margin-top:18px;padding:14px 16px;border-radius:var(--radius-s);
  border:1px dashed var(--line-2);background:rgba(37,99,235,.12);
  display:flex;gap:12px;align-items:center;font-size:13.2px;color:var(--txt-soft);
}
.reward-box i{color:var(--warn);font-size:19px}
.reward-box b{color:#fff}

/* ===== section ===== */
.section{padding:58px 0;position:relative}
.section-alt{background:linear-gradient(180deg,rgba(7,18,41,.62),rgba(4,7,15,.30));border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{max-width:760px;margin-bottom:30px}
.sec-tag{font-size:11.5px;font-weight:800;letter-spacing:1.4px;text-transform:uppercase;color:var(--brand-2)}
.sec-title{font-size:clamp(21px,3vw,30px);font-weight:900;line-height:1.3;margin:8px 0 10px;color:#fff}
.sec-desc{font-size:14.6px;color:var(--txt-soft);margin:0}

/* stats */
.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.stat{padding:20px;border-radius:var(--radius);border:1px solid var(--line);background:rgba(7,18,41,.5);transition:.25s}
.stat:hover{border-color:var(--line-2);background:rgba(10,26,56,.68);transform:translateY(-4px)}
.stat .num{font-size:clamp(22px,3vw,30px);font-weight:900;color:#fff;line-height:1.1}
.stat .num small{font-size:14px;color:var(--brand-2);margin-left:2px}
.stat .lb{font-size:13px;color:var(--txt-dim);margin-top:7px;display:block}

/* service matrix */
.svc-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.svc{padding:22px;border-radius:var(--radius);border:1px solid var(--line);background:linear-gradient(160deg,rgba(10,26,56,.6),rgba(4,7,15,.4));transition:.25s;display:flex;flex-direction:column;gap:10px}
.svc:hover{transform:translateY(-5px);border-color:var(--line-2);box-shadow:0 0 30px rgba(56,189,248,.16)}
.svc .ico{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;font-size:18px;
  background:rgba(37,99,235,.2);border:1px solid var(--line-2);color:var(--brand-2);
}
.svc h3{font-size:16.5px;font-weight:800;color:#fff;margin:0}
.svc p{font-size:13.8px;color:var(--txt-soft);margin:0}
.svc .tagline{font-size:12px;font-weight:800;letter-spacing:.6px;text-transform:uppercase;color:var(--ok)}

/* compare */
.cmp-wrap{overflow-x:auto;border-radius:var(--radius);border:1px solid var(--line);background:rgba(7,18,41,.5)}
table.cmp{width:100%;border-collapse:collapse;min-width:620px}
table.cmp th,table.cmp td{padding:15px 18px;text-align:left;font-size:13.8px;border-bottom:1px solid rgba(56,189,248,.12)}
table.cmp thead th{font-size:12.4px;letter-spacing:.8px;text-transform:uppercase;color:var(--txt-dim);background:rgba(10,26,56,.7);font-weight:800}
table.cmp tbody td:first-child{color:#fff;font-weight:700}
table.cmp tbody tr:last-child td{border-bottom:none}
table.cmp tbody tr:hover{background:rgba(37,99,235,.08)}
.cell-yes{color:var(--ok);font-weight:700}
.cell-no{color:#F87171;font-weight:600}

/* timeline */
.tl{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;position:relative}
.tl-item{padding:22px 20px;border-radius:var(--radius);border:1px solid var(--line);background:rgba(7,18,41,.46);position:relative}
.tl-item .step{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;font-weight:900;font-size:14px;
  background:linear-gradient(140deg,var(--brand),var(--brand-2));color:#04070F;margin-bottom:12px;
}
.tl-item h4{font-size:15.4px;font-weight:800;color:#fff;margin:0 0 7px}
.tl-item p{font-size:13.5px;color:var(--txt-soft);margin:0}
.tl-item .time{display:inline-block;margin-top:11px;font-size:11.6px;font-weight:800;letter-spacing:.7px;text-transform:uppercase;color:var(--brand-2)}

/* channel matrix */
.cat-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.cat-card{
  padding:24px;transition:.25s;display:flex;flex-direction:column;gap:12px;
  border-radius:var(--radius);border:1px solid var(--line);
  background:linear-gradient(155deg,rgba(10,26,56,.66),rgba(4,7,15,.44));
}
.cat-card:hover{transform:translateY(-5px);border-color:var(--line-2);box-shadow:0 0 30px rgba(56,189,248,.16)}
.cat-card h3{font-size:17.5px;font-weight:800;margin:0;color:#fff}
.cat-card p{font-size:14px;color:var(--txt-soft);margin:0;flex:1}
.cat-card .mini{font-size:11.8px;font-weight:800;letter-spacing:1px;text-transform:uppercase;color:var(--brand-2)}
.link-arrow{font-size:13.5px;font-weight:800;color:var(--brand-2);display:inline-flex;align-items:center;gap:7px;transition:.22s}
.link-arrow:hover{gap:12px;color:#fff}
.cat-card.is-current{border-color:var(--line-2);box-shadow:0 0 26px rgba(56,189,248,.18)}

/* assurance */
.assure-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.assure{
  padding:18px;border-radius:var(--radius-s);border:1px solid var(--line);
  background:rgba(7,18,41,.46);display:flex;gap:12px;align-items:flex-start;transition:.22s;
}
.assure:hover{border-color:var(--line-2);background:rgba(10,26,56,.62)}
.assure i{color:var(--brand-2);font-size:17px;margin-top:3px}
.assure strong{display:block;font-size:14px;color:#fff}
.assure span{font-size:12.6px;color:var(--txt-dim)}
.pay-row{display:flex;flex-wrap:wrap;gap:9px;margin-top:20px}
.pay-pill{
  font-size:12.4px;font-weight:700;padding:7px 13px;border-radius:999px;
  border:1px solid var(--line-2);color:var(--txt-soft);background:rgba(37,99,235,.12);
}

/* news list */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.news-card{
  display:flex;flex-direction:column;gap:12px;border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--line);background:rgba(7,18,41,.5);transition:.25s;
}
.news-card:hover{transform:translateY(-5px);border-color:var(--line-2);box-shadow:0 0 30px rgba(56,189,248,.15)}
.news-card .thumb{aspect-ratio:16/9;overflow:hidden;background:rgba(10,26,56,.8)}
.news-card .thumb img{width:100%;height:100%;object-fit:cover;transition:.4s}
.news-card:hover .thumb img{transform:scale(1.05)}
.news-card .body{padding:0 20px 20px;display:flex;flex-direction:column;gap:9px;flex:1}
.news-meta{display:flex;flex-wrap:wrap;gap:10px;font-size:11.8px;color:var(--txt-dim)}
.news-meta .chip{
  font-weight:800;letter-spacing:.6px;text-transform:uppercase;color:var(--brand-2);
  padding:4px 10px;border-radius:999px;border:1px solid var(--line);background:rgba(37,99,235,.12);
}
.news-card h3{font-size:16px;font-weight:800;color:#fff;margin:0;line-height:1.4}
.news-card p{font-size:13.6px;color:var(--txt-soft);margin:0;flex:1}
.empty-note{
  padding:26px;border-radius:var(--radius);border:1px dashed var(--line-2);
  background:rgba(7,18,41,.4);color:var(--txt-soft);font-size:14px;text-align:center;
}
.list-foot{margin-top:26px}

/* faq */
.faq-list{display:grid;gap:12px;max-width:920px}
.faq-item{
  border:1px solid var(--line);border-radius:var(--radius);background:rgba(7,18,41,.5);overflow:hidden;transition:.22s;
}
.faq-item[open]{border-color:var(--line-2);background:rgba(10,26,56,.6)}
.faq-item summary{
  cursor:pointer;list-style:none;padding:17px 20px;font-size:15px;font-weight:700;color:#fff;
  display:flex;justify-content:space-between;align-items:center;gap:14px;
}
.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:12px;color:var(--brand-2);
  transition:.25s;flex:0 0 auto;
}
.faq-item[open] summary::after{content:"\f068"}
.faq-item .ans{padding:0 20px 18px;font-size:14px;color:var(--txt-soft)}

/* cta + form */
.cta-panel{padding:30px;display:grid;grid-template-columns:.95fr 1.05fr;gap:34px;align-items:start}
.cta-panel h2{font-size:clamp(21px,3vw,29px);font-weight:900;color:#fff;line-height:1.3}
.cta-panel p{font-size:14.4px;color:var(--txt-soft)}
.cta-list{list-style:none;padding:0;margin:16px 0 0;display:grid;gap:10px}
.cta-list li{display:flex;gap:10px;font-size:13.8px;color:var(--txt-soft)}
.cta-list i{color:var(--ok);margin-top:4px}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.field{display:flex;flex-direction:column;gap:7px}
.field.full{grid-column:1 / -1}
.field label{font-size:12.8px;font-weight:700;color:var(--txt-soft);letter-spacing:.3px}
.field input,.field select,.field textarea{
  background:rgba(4,7,15,.72);border:1px solid var(--line);border-radius:var(--radius-s);
  padding:11px 13px;font-size:14px;color:#fff;transition:.2s;width:100%;
}
.field input::placeholder,.field textarea::placeholder{color:#5E7794}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--brand-2);box-shadow:0 0 0 3px rgba(56,189,248,.16);outline:none}
.form-note{font-size:12.2px;color:var(--txt-dim);margin-top:12px}
.form-msg{
  display:none;margin-top:14px;padding:13px 16px;border-radius:var(--radius-s);
  border:1px solid rgba(52,211,153,.4);background:rgba(52,211,153,.12);color:#D1FAE5;font-size:13.6px;
}

/* footer */
.site-footer{border-top:1px solid var(--line);background:linear-gradient(180deg,rgba(7,18,41,.7),rgba(4,7,15,.96));padding:52px 0 26px;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.25fr;gap:32px}
.foot-brand{display:flex;align-items:center;gap:11px;margin-bottom:14px}
.foot-brand .brand-mark{width:40px;height:40px;flex:0 0 40px;border-radius:12px}
.foot-brand .brand-text{display:flex;flex-direction:column}
.foot-col h5{font-size:13px;font-weight:800;letter-spacing:.9px;text-transform:uppercase;color:#fff;margin-bottom:14px}
.foot-col p{font-size:13.4px;color:var(--txt-soft);margin:0 0 14px}
.foot-col a{display:block;font-size:13.6px;color:var(--txt-soft);padding:6px 0;transition:.2s}
.foot-col a:hover{color:var(--brand-2);transform:translateX(3px)}
.age-badge{
  display:inline-flex;align-items:center;gap:8px;font-size:12.4px;font-weight:700;
  padding:8px 13px;border-radius:999px;border:1px solid var(--line-2);color:var(--brand-3);background:rgba(37,99,235,.12);
}
.foot-bottom{
  margin-top:34px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:12.6px;color:var(--txt-dim);
}

/* FAB */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  display:flex;align-items:center;gap:10px;min-height:52px;
  padding:11px 18px;border-radius:999px;cursor:pointer;
  background:
    linear-gradient(rgba(7,18,41,.88),rgba(7,18,41,.88)) padding-box,
    linear-gradient(120deg,#38BDF8,#2563EB 55%,#EC4899) border-box;
  border:2px solid transparent;
  box-shadow:0 0 20px rgba(6,182,212,.45);
  transition:transform .25s, box-shadow .25s, opacity .25s;
  opacity:.78;color:#fff;font-size:13.2px;font-weight:800;white-space:nowrap;
  backdrop-filter:blur(12px);
}
.fab i{font-size:16px;color:var(--brand-2);transition:.3s}
.fab:hover{opacity:1;transform:scale(1.06);box-shadow:0 0 32px rgba(6,182,212,.7)}
.fab:hover i{color:#EC4899}
.fab:active{transform:scale(.95)}
.fab .dot{
  position:absolute;top:-2px;right:-2px;width:13px;height:13px;border-radius:50%;
  background:#EF4444;border:2px solid #04070F;animation:pulse 1.6s infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(239,68,68,.65)}
  70%{box-shadow:0 0 0 10px rgba(239,68,68,0)}
  100%{box-shadow:0 0 0 0 rgba(239,68,68,0)}
}

/* ===== responsive ===== */
@media (max-width:1024px){
  .nav-links,.nav-cta{display:none}
  .nav-toggle{display:inline-block}
  .hero-inner{grid-template-columns:1fr;gap:30px;padding:44px 0 48px}
  .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .svc-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cat-grid{grid-template-columns:1fr}
  .tl{grid-template-columns:repeat(2,minmax(0,1fr))}
  .assure-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-panel{grid-template-columns:1fr;gap:24px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:26px}
}
@media (max-width:768px){
  .section{padding:44px 0}
  .sec-head{margin-bottom:24px}
  .brand-line1{font-size:12.6px;max-width:190px}
  .form-grid{grid-template-columns:1fr}
  .foot-bottom{flex-direction:column;gap:8px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .stat-grid,.svc-grid,.assure-grid,.news-grid,.tl{grid-template-columns:1fr}
  .hero h1{font-size:26px}
  .hero-actions .btn-solid,.hero-actions .btn-ghost{width:100%;text-align:center}
  .foot-grid{grid-template-columns:1fr}
  .fab{padding:11px 14px;font-size:12.4px}
  .cta-panel{padding:22px}
}