/* roulang page: index */
:root{
  --bg:#030712;
  --bg-soft:#081229;
  --panel:rgba(11,20,40,.74);
  --panel-2:rgba(15,27,52,.55);
  --line:rgba(96,165,250,.16);
  --line-strong:rgba(56,189,248,.42);
  --blue:#2563eb;
  --cyan:#38bdf8;
  --holo:#60a5fa;
  --text:#f8fafc;
  --muted:#94a3b8;
  --gold:#fbbf24;
  --green:#22c55e;
  --pink:#f43f5e;
  --radius-lg:22px;
  --radius:16px;
  --radius-sm:10px;
  --shadow-lg:0 24px 60px rgba(2,8,24,.62);
  --shadow:0 12px 32px rgba(2,8,24,.45);
  --glow:0 0 26px rgba(56,189,248,.32);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:'Be Vietnam Pro',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
  font-size:16px;
  line-height:1.65;
  color:var(--text);
  background:
    radial-gradient(900px 620px at 10% -12%, rgba(37,99,235,.24), transparent 62%),
    radial-gradient(760px 520px at 94% 6%, rgba(56,189,248,.14), transparent 62%),
    var(--bg);
  background-attachment:fixed;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--holo);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:var(--cyan);}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4,h5{margin:0 0 14px;font-weight:800;line-height:1.28;letter-spacing:-.01em;overflow-wrap:break-word;}
p{margin:0 0 16px;color:#cbd5e1;}
ul{margin:0 0 16px;padding-left:20px;}
li{margin-bottom:8px;color:#cbd5e1;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px;}

.container-x{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;}
.section{padding:76px 0;position:relative;}
.section-tight{padding:56px 0;}
.section-alt{background:linear-gradient(180deg,rgba(8,18,41,.72),rgba(3,7,18,.2));border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.sec-head{max-width:760px;margin-bottom:40px;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:11.5px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--cyan);background:rgba(56,189,248,.1);
  border:1px solid var(--line-strong);border-radius:999px;padding:6px 14px;margin-bottom:16px;
}
.sec-head h2{font-size:clamp(24px,3vw,36px);margin-bottom:14px;}
.sec-head p{font-size:16px;color:var(--muted);margin-bottom:0;}

.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 26px;border-radius:999px;font-weight:700;font-size:15px;
  border:1px solid transparent;cursor:pointer;transition:transform .18s ease,box-shadow .22s ease,background .22s ease,color .22s ease;
  white-space:nowrap;
}
.btn-x i{font-size:14px;}
.btn-glow{
  background:linear-gradient(135deg,#2563eb,#38bdf8);
  color:#03101f;box-shadow:0 0 22px rgba(56,189,248,.4);
}
.btn-glow:hover{color:#03101f;transform:translateY(-2px);box-shadow:0 0 34px rgba(56,189,248,.62);}
.btn-outline-x{
  background:rgba(56,189,248,.06);color:#e2f2ff;border-color:var(--line-strong);
}
.btn-outline-x:hover{background:rgba(56,189,248,.16);color:#fff;transform:translateY(-2px);}
.btn-ghost-x{
  background:transparent;color:#cbd5e1;border-color:transparent;padding:10px 16px;font-weight:600;
}
.btn-ghost-x:hover{color:#fff;background:rgba(56,189,248,.1);}
.btn-x:active{transform:translateY(0) scale(.98);}

.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1030;
  background:rgba(3,7,18,.84);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:18px;height:74px;}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0;}
.brand-mark{
  width:42px;height:42px;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(135deg,#2563eb,#38bdf8);color:#03101f;font-weight:800;font-size:17px;
  box-shadow:var(--glow);flex-shrink:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:15.5px;color:#fff;font-weight:800;letter-spacing:.01em;}
.brand-text span{font-size:10px;color:var(--muted);letter-spacing:.14em;text-transform:uppercase;font-weight:600;}
.main-nav{margin-left:auto;display:flex;align-items:center;gap:4px;}
.main-nav a{
  padding:9px 14px;border-radius:10px;font-size:14.5px;font-weight:600;color:#c3d3e6;
  border:1px solid transparent;transition:all .2s ease;
}
.main-nav a:hover{background:rgba(56,189,248,.1);color:#fff;}
.main-nav a.active{color:#fff;background:rgba(56,189,248,.14);border-color:var(--line-strong);}
.nav-actions{display:flex;align-items:center;gap:8px;margin-left:14px;}
.nav-actions .btn-x{padding:10px 18px;font-size:14px;}
.nav-toggle{
  display:none;margin-left:auto;background:rgba(56,189,248,.08);border:1px solid var(--line-strong);
  color:#dbeafe;width:44px;height:44px;border-radius:12px;cursor:pointer;font-size:17px;
}
@media (max-width:1199px){
  .main-nav a{padding:8px 10px;font-size:13.5px;}
}
@media (max-width:991px){
  .main-nav{
    position:absolute;top:74px;left:0;right:0;flex-direction:column;align-items:stretch;
    background:rgba(3,7,18,.97);border-bottom:1px solid var(--line);
    padding:14px 20px 20px;gap:6px;display:none;
  }
  .main-nav.open{display:flex;}
  .main-nav a{padding:12px 14px;font-size:15px;}
  .nav-toggle{display:grid;place-items:center;}
  .nav-actions{margin-left:0;}
  .brand-text span{display:none;}
}
@media (max-width:520px){
  .header-inner{height:66px;gap:10px;}
  .brand-mark{width:36px;height:36px;font-size:15px;border-radius:11px;}
  .brand-text strong{font-size:13.5px;}
  .nav-actions .btn-x{padding:9px 12px;font-size:12.5px;}
  .main-nav{top:66px;}
}

.hero{position:relative;padding:142px 0 72px;overflow:hidden;}
.hero-bg{position:absolute;inset:0;background:url('/assets/images/6345b8dc3778748d.jpg') center/cover no-repeat;opacity:.3;}
.hero-veil{position:absolute;inset:0;background:
  linear-gradient(180deg,rgba(3,7,18,.86) 0%,rgba(3,7,18,.72) 45%,rgba(3,7,18,.97) 100%),
  radial-gradient(760px 460px at 82% 22%,rgba(37,99,235,.34),transparent 68%);}
.hero .container-x{position:relative;z-index:2;}
.hero-grid{max-width:860px;}
.hero h1{
  font-size:clamp(28px,4.4vw,50px);
  line-height:1.2;margin-bottom:20px;
  background:linear-gradient(120deg,#ffffff 12%,#a5e4ff 58%,#60a5fa 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{font-size:16.5px;color:#c9d8ea;max-width:760px;margin-bottom:26px;}
.hero-points{list-style:none;padding:0;margin:0 0 30px;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 26px;max-width:820px;}
.hero-points li{display:flex;gap:11px;align-items:flex-start;font-size:15px;color:#dbe7f5;margin:0;}
.hero-points i{color:var(--cyan);font-size:15px;margin-top:5px;flex-shrink:0;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.trust-bar{
  display:flex;flex-wrap:wrap;gap:12px 26px;align-items:center;
  padding:14px 20px;border:1px solid var(--line);border-radius:var(--radius);
  background:rgba(8,18,41,.62);backdrop-filter:blur(10px);max-width:860px;
}
.trust-bar span{display:inline-flex;align-items:center;gap:8px;font-size:13.5px;color:#b9cadf;font-weight:500;}
.trust-bar i{color:var(--cyan);}
@media (max-width:768px){
  .hero{padding:120px 0 56px;}
  .hero-points{grid-template-columns:1fr;gap:10px;}
  .trust-bar{gap:10px 18px;padding:12px 16px;}
  .trust-bar span{font-size:12.5px;}
}

.glass{
  background:var(--panel);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow);
}
.stat-strip{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;margin-top:-46px;position:relative;z-index:5;}
.stat-card{padding:22px 20px;text-align:left;}
.stat-card .num{font-size:clamp(22px,2.6vw,30px);font-weight:800;color:#fff;line-height:1.1;margin-bottom:6px;}
.stat-card .num em{font-style:normal;color:var(--cyan);}
.stat-card .lbl{font-size:13px;color:var(--muted);line-height:1.5;}
@media (max-width:900px){.stat-strip{grid-template-columns:repeat(2,minmax(0,1fr));margin-top:-30px;}}
@media (max-width:520px){.stat-strip{grid-template-columns:1fr;gap:12px;}}

.split{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center;}
.split.rev{grid-template-columns:.95fr 1.05fr;}
.split-media{position:relative;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-lg);}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.split-media .badge-float{
  position:absolute;left:16px;bottom:16px;background:rgba(3,7,18,.85);border:1px solid var(--line-strong);
  color:#e2f2ff;font-size:12.5px;font-weight:600;padding:8px 14px;border-radius:999px;backdrop-filter:blur(8px);
}
.feature-list{list-style:none;padding:0;margin:0;}
.feature-list li{display:flex;gap:13px;padding:13px 0;border-bottom:1px dashed rgba(96,165,250,.16);font-size:15px;color:#cfdcec;margin:0;}
.feature-list li:last-child{border-bottom:none;}
.feature-list i{color:var(--cyan);margin-top:5px;flex-shrink:0;}
@media (max-width:900px){
  .split,.split.rev{grid-template-columns:1fr;gap:30px;}
  .split.rev .split-media{order:-1;}
}

.fn-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:2px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;}
.fn-item{background:rgba(6,13,30,.92);padding:28px 24px;transition:background .25s ease;}
.fn-item:hover{background:rgba(12,25,52,.95);}
.fn-item i{font-size:20px;color:var(--cyan);margin-bottom:14px;display:block;}
.fn-item h3{font-size:17px;margin-bottom:9px;}
.fn-item p{font-size:14.5px;color:var(--muted);margin:0;line-height:1.6;}
@media (max-width:900px){.fn-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (max-width:600px){.fn-grid{grid-template-columns:1fr;}}

.scene-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;}
.scene{padding:24px 20px;border-radius:var(--radius);background:var(--panel-2);border:1px solid var(--line);transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;}
.scene:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--glow);}
.scene .idx{font-size:12px;font-weight:800;letter-spacing:.14em;color:var(--cyan);text-transform:uppercase;margin-bottom:10px;display:block;}
.scene h3{font-size:16px;margin-bottom:8px;}
.scene p{font-size:14px;color:var(--muted);margin:0;}
@media (max-width:900px){.scene-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (max-width:520px){.scene-grid{grid-template-columns:1fr;}}

.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:26px;position:relative;}
.step{position:relative;padding:28px 24px 24px;border-radius:var(--radius-lg);background:var(--panel-2);border:1px solid var(--line);}
.step .num-badge{
  width:42px;height:42px;border-radius:13px;display:grid;place-items:center;font-weight:800;font-size:17px;
  background:linear-gradient(135deg,#2563eb,#38bdf8);color:#03101f;margin-bottom:16px;box-shadow:var(--glow);
}
.step h3{font-size:17px;margin-bottom:9px;}
.step p{font-size:14.5px;color:var(--muted);margin:0;}
@media (max-width:900px){.steps{grid-template-columns:1fr;gap:16px;}}

.pay-block{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0;border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;background:rgba(6,13,30,.7);}
.pay-col{padding:30px 26px;border-right:1px solid var(--line);}
.pay-col:last-child{border-right:none;}
.pay-col h3{font-size:16.5px;line-height:1.45;margin-bottom:12px;color:#e8f4ff;}
.pay-col p{font-size:14.5px;color:var(--muted);margin-bottom:14px;}
.pay-col ul{padding-left:18px;margin:0;}
.pay-col li{font-size:14px;color:#c3d3e6;}
.pay-badges{display:flex;flex-wrap:wrap;gap:9px;margin-top:18px;}
.pay-badges span{
  font-size:12.5px;font-weight:700;padding:7px 13px;border-radius:999px;
  background:rgba(56,189,248,.1);border:1px solid var(--line-strong);color:#cbeaff;
}
@media (max-width:900px){
  .pay-block{grid-template-columns:1fr;}
  .pay-col{border-right:none;border-bottom:1px solid var(--line);}
  .pay-col:last-child{border-bottom:none;}
}

.app-band{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center;}
.app-shot{position:relative;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line-strong);box-shadow:var(--shadow-lg);}
.app-shot img{width:100%;aspect-ratio:16/11;object-fit:cover;}
.app-shot .fps{
  position:absolute;top:14px;right:14px;background:rgba(3,7,18,.86);border:1px solid var(--line-strong);
  color:var(--cyan);font-size:12.5px;font-weight:700;padding:7px 13px;border-radius:999px;letter-spacing:.04em;
}
.spec-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:24px;}
.spec{padding:16px 18px;border-radius:var(--radius);background:var(--panel-2);border:1px solid var(--line);}
.spec strong{display:block;font-size:15px;color:#fff;margin-bottom:5px;}
.spec span{font-size:13.5px;color:var(--muted);}
@media (max-width:900px){
  .app-band{grid-template-columns:1fr;gap:30px;}
  .spec-row{grid-template-columns:1fr;}
}

.cat-wall{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.cat-card{display:block;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);background:rgba(8,18,41,.7);transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;color:inherit;}
.cat-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:var(--glow);color:inherit;}
.cat-card img{width:100%;aspect-ratio:16/10;object-fit:cover;opacity:.9;transition:opacity .24s ease;}
.cat-card:hover img{opacity:1;}
.cat-card .cat-body{padding:22px 22px 24px;}
.cat-card .cat-tag{font-size:11.5px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--cyan);display:block;margin-bottom:9px;}
.cat-card h3{font-size:18px;margin-bottom:9px;color:#fff;}
.cat-card p{font-size:14.5px;color:var(--muted);margin:0;}
.cat-card .go{display:inline-flex;align-items:center;gap:8px;margin-top:16px;font-size:14px;font-weight:700;color:var(--cyan);}
@media (max-width:900px){.cat-wall{grid-template-columns:1fr;gap:16px;}}

.reward-band{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center;}
.reward-cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
.reward{padding:22px 20px;border-radius:var(--radius);border:1px solid var(--line);background:linear-gradient(160deg,rgba(37,99,235,.16),rgba(8,18,41,.7));}
.reward .amt{font-size:22px;font-weight:800;color:var(--gold);margin-bottom:6px;}
.reward .txt{font-size:13.5px;color:#c3d3e6;line-height:1.55;}
.progress-wrap{margin-top:26px;}
.progress-wrap .plabel{display:flex;justify-content:space-between;font-size:13.5px;color:var(--muted);margin-bottom:9px;}
.progress-bar-x{height:10px;border-radius:999px;background:rgba(56,189,248,.12);overflow:hidden;border:1px solid var(--line);}
.progress-bar-x i{display:block;height:100%;width:72%;border-radius:999px;background:linear-gradient(90deg,#2563eb,#38bdf8);box-shadow:0 0 16px rgba(56,189,248,.6);}
@media (max-width:900px){
  .reward-band{grid-template-columns:1fr;gap:28px;}
  .reward-cards{grid-template-columns:1fr;}
}

.shot-rail{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.shot{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);position:relative;background:#050b1a;}
.shot img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .35s ease;}
.shot:hover img{transform:scale(1.05);}
.shot figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:16px 18px;font-size:13.5px;font-weight:600;color:#e6f2ff;
  background:linear-gradient(180deg,transparent,rgba(3,7,18,.92));
}
@media (max-width:900px){.shot-rail{grid-template-columns:1fr;}}

.voice-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.voice{padding:26px 24px;border-radius:var(--radius-lg);background:var(--panel-2);border:1px solid var(--line);}
.voice .stars{color:var(--gold);font-size:13.5px;letter-spacing:2px;margin-bottom:12px;display:block;}
.voice p{font-size:14.5px;color:#cfdcec;margin-bottom:16px;}
.voice .who{display:flex;align-items:center;gap:11px;}
.voice .who b{display:block;font-size:14px;color:#fff;}
.voice .who small{font-size:12.5px;color:var(--muted);}
.avatar-x{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;font-weight:800;font-size:14px;color:#03101f;background:linear-gradient(135deg,#38bdf8,#2563eb);flex-shrink:0;}
@media (max-width:900px){.voice-grid{grid-template-columns:1fr;}}

.tier-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;align-items:stretch;}
.tier{padding:30px 26px;border-radius:var(--radius-lg);border:1px solid var(--line);background:rgba(6,13,30,.8);display:flex;flex-direction:column;transition:border-color .22s ease,transform .22s ease;}
.tier:hover{border-color:var(--line-strong);transform:translateY(-4px);}
.tier.hot{border-color:rgba(251,191,36,.5);background:linear-gradient(170deg,rgba(251,191,36,.1),rgba(6,13,30,.85));box-shadow:0 0 34px rgba(251,191,36,.14);}
.tier .tname{font-size:13px;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--cyan);margin-bottom:12px;}
.tier.hot .tname{color:var(--gold);}
.tier h3{font-size:19px;margin-bottom:8px;}
.tier .price{font-size:24px;font-weight:800;color:#fff;margin-bottom:18px;}
.tier ul{list-style:none;padding:0;margin:0 0 22px;}
.tier li{display:flex;gap:10px;font-size:14px;color:#c3d3e6;padding:8px 0;border-bottom:1px dashed rgba(96,165,250,.14);}
.tier li:last-child{border-bottom:none;}
.tier li i{color:var(--cyan);margin-top:5px;flex-shrink:0;}
.tier .btn-x{margin-top:auto;width:100%;}
@media (max-width:900px){.tier-grid{grid-template-columns:1fr;}}

.safety-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.safety{padding:24px 20px;border-radius:var(--radius);background:var(--panel-2);border:1px solid var(--line);text-align:left;}
.safety i{font-size:20px;color:var(--cyan);margin-bottom:12px;display:block;}
.safety h3{font-size:15.5px;margin-bottom:8px;}
.safety p{font-size:13.5px;color:var(--muted);margin:0;}
@media (max-width:900px){.safety-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (max-width:520px){.safety-grid{grid-template-columns:1fr;}}

.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.news-card{display:flex;flex-direction:column;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);background:rgba(8,18,41,.68);transition:transform .24s ease,border-color .24s ease,box-shadow .24s ease;}
.news-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow);}
.news-card .news-thumb{display:block;overflow:hidden;}
.news-card .news-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .35s ease;}
.news-card:hover .news-thumb img{transform:scale(1.05);}
.news-body{padding:20px 20px 22px;display:flex;flex-direction:column;flex:1;}
.news-meta{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:11px;}
.news-meta .tag{font-size:11.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--cyan);background:rgba(56,189,248,.1);border:1px solid var(--line-strong);border-radius:999px;padding:4px 11px;}
.news-meta .date{font-size:12.5px;color:var(--muted);}
.news-card h3{font-size:16.5px;margin-bottom:10px;line-height:1.45;}
.news-card h3 a{color:#fff;}
.news-card h3 a:hover{color:var(--cyan);}
.news-card p{font-size:14px;color:var(--muted);margin:0;}
.empty-note{padding:28px;border:1px dashed var(--line-strong);border-radius:var(--radius);color:var(--muted);text-align:center;font-size:15px;}
@media (max-width:900px){.news-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (max-width:640px){.news-grid{grid-template-columns:1fr;}}

.faq-list{max-width:900px;margin:0 auto;}
.faq-item{border:1px solid var(--line);border-radius:var(--radius);background:rgba(8,18,41,.6);margin-bottom:12px;overflow:hidden;transition:border-color .22s ease;}
.faq-item[open]{border-color:var(--line-strong);}
.faq-item summary{
  cursor:pointer;padding:19px 22px;font-size:15.5px;font-weight:700;color:#fff;list-style:none;
  display:flex;justify-content:space-between;align-items:center;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:'\f078';font-family:'Font Awesome 6 Free';font-weight:900;font-size:12px;color:var(--cyan);transition:transform .25s ease;flex-shrink:0;}
.faq-item[open] summary::after{transform:rotate(180deg);}
.faq-item .faq-body{padding:0 22px 20px;font-size:14.5px;color:#c3d3e6;line-height:1.68;}

.cta-final{position:relative;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line-strong);padding:56px 44px;text-align:center;background:linear-gradient(140deg,rgba(37,99,235,.24),rgba(8,18,41,.9));box-shadow:var(--shadow-lg);}
.cta-final h2{font-size:clamp(23px,3vw,34px);margin-bottom:14px;}
.cta-final p{max-width:700px;margin:0 auto 26px;color:#c9d8ea;}
.cta-final .cta-row{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;}
@media (max-width:600px){.cta-final{padding:38px 22px;}}

.site-footer{border-top:1px solid var(--line);background:linear-gradient(180deg,rgba(8,18,41,.7),rgba(3,7,18,.98));padding:60px 0 26px;margin-top:20px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:38px;margin-bottom:40px;}
.footer-col h4{font-size:14px;letter-spacing:.1em;text-transform:uppercase;color:#fff;margin-bottom:16px;}
.footer-col p{font-size:14px;color:var(--muted);}
.footer-col ul{list-style:none;padding:0;margin:0;}
.footer-col li{margin-bottom:10px;}
.footer-col li a{font-size:14px;color:#b9cadf;}
.footer-col li a:hover{color:var(--cyan);}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px;}
.footer-bottom{border-top:1px solid var(--line);padding-top:22px;display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;}
.footer-bottom p{margin:0;font-size:13px;color:#7f92a8;}
.footer-bottom .legal{display:flex;flex-wrap:wrap;gap:18px;font-size:13px;}
.badge-18{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:9px;border:1px solid var(--line-strong);color:var(--cyan);font-size:12px;font-weight:800;}
@media (max-width:900px){.footer-grid{grid-template-columns:1fr 1fr;gap:28px;}}
@media (max-width:560px){.footer-grid{grid-template-columns:1fr;}}

.fab{
  position:fixed;left:16px;bottom:96px;z-index:1050;
  display:inline-flex;align-items:center;gap:10px;
  padding:12px 20px 12px 16px;border-radius:999px;
  background:rgba(7,7,13,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid transparent;
  background-image:linear-gradient(rgba(7,10,22,.92),rgba(7,10,22,.92)),linear-gradient(135deg,#38bdf8,#2563eb,#f43f5e);
  background-origin:border-box;background-clip:padding-box,border-box;
  color:#e8f6ff;font-size:13.5px;font-weight:700;
  box-shadow:0 0 22px rgba(56,189,248,.42);
  opacity:.86;transition:opacity .22s ease,transform .22s ease,box-shadow .22s ease;
  min-height:56px;
}
.fab i{font-size:17px;color:var(--cyan);transition:transform .5s ease,color .3s ease;}
.fab:hover{opacity:1;transform:translateY(-3px) scale(1.03);box-shadow:0 0 34px rgba(56,189,248,.68);color:#fff;}
.fab:hover i{transform:rotate(360deg);color:#f43f5e;}
.fab:active{transform:translateY(0) scale(.96);}
.fab .dot{position:absolute;top:6px;right:9px;width:9px;height:9px;border-radius:50%;background:#f43f5e;box-shadow:0 0 10px #f43f5e;animation:pulseDot 1.6s infinite;}
@keyframes pulseDot{0%,100%{transform:scale(1);opacity:1;}50%{transform:scale(1.35);opacity:.6;}}
@media (max-width:520px){
  .fab{left:12px;bottom:88px;padding:10px 15px 10px 13px;font-size:12.5px;min-height:50px;}
  .fab .fab-text{display:none;}
}

.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease;}
.reveal.in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  .fab,.fab i{animation:none!important;}
}

/* roulang page: category1 */
:root{
  --bg:#030712;
  --bg-soft:#081229;
  --panel:rgba(11,20,40,.74);
  --panel-2:rgba(15,27,52,.55);
  --line:rgba(96,165,250,.16);
  --line-strong:rgba(56,189,248,.42);
  --blue:#2563eb;
  --cyan:#38bdf8;
  --holo:#60a5fa;
  --text:#f8fafc;
  --muted:#94a3b8;
  --gold:#fbbf24;
  --green:#22c55e;
  --pink:#f43f5e;
  --radius-lg:22px;
  --radius:16px;
  --radius-sm:10px;
  --shadow-lg:0 24px 60px rgba(2,8,24,.62);
  --shadow:0 12px 32px rgba(2,8,24,.45);
  --glow:0 0 26px rgba(56,189,248,.32);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:'Be Vietnam Pro',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
  font-size:16px;
  line-height:1.65;
  color:var(--text);
  background:
    radial-gradient(900px 620px at 10% -12%, rgba(37,99,235,.24), transparent 62%),
    radial-gradient(760px 520px at 94% 6%, rgba(56,189,248,.14), transparent 62%),
    var(--bg);
  background-attachment:fixed;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--holo);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:var(--cyan);}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{line-height:1.25;margin:0 0 14px;font-weight:800;color:#fff;}
p{margin:0 0 16px;}
.container-x{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;}
.section{padding:76px 0;position:relative;}
.section-tight{padding:56px 0;}
.section-alt{background:linear-gradient(180deg,rgba(8,18,41,.72),rgba(3,7,18,.2));border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:11.5px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--cyan);background:rgba(56,189,248,.1);
  border:1px solid var(--line-strong);border-radius:999px;padding:6px 14px;margin-bottom:16px;
}
.section-head{max-width:820px;margin-bottom:36px;}
.section-head h2{font-size:clamp(23px,3vw,34px);}
.section-head p{color:var(--muted);font-size:16px;margin:0;}
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 26px;border-radius:999px;font-weight:700;font-size:15px;
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .22s ease,background .22s ease,color .22s ease;
  white-space:nowrap;
}
.btn-x i{font-size:14px;}
.btn-x:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;}
.btn-glow{background:linear-gradient(135deg,#2563eb,#38bdf8);color:#03101f;box-shadow:0 0 22px rgba(56,189,248,.4);}
.btn-glow:hover{color:#03101f;transform:translateY(-2px);box-shadow:0 0 34px rgba(56,189,248,.62);}
.btn-outline-x{background:rgba(56,189,248,.06);color:#e2f2ff;border-color:var(--line-strong);}
.btn-outline-x:hover{background:rgba(56,189,248,.16);color:#fff;transform:translateY(-2px);}
.btn-ghost-x{background:transparent;color:#cbd5e1;border-color:transparent;padding:10px 16px;font-weight:600;}
.btn-ghost-x:hover{color:#fff;background:rgba(56,189,248,.1);}
.btn-x:active{transform:translateY(0) scale(.98);}

/* ===== Header ===== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1030;
  background:rgba(3,7,18,.84);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:18px;height:74px;}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0;}
.brand-mark{
  width:42px;height:42px;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(135deg,#2563eb,#38bdf8);color:#03101f;font-weight:800;font-size:17px;
  box-shadow:var(--glow);flex-shrink:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:15.5px;color:#fff;font-weight:800;letter-spacing:.01em;}
.brand-text span{font-size:10px;color:var(--muted);letter-spacing:.14em;text-transform:uppercase;font-weight:600;}
.main-nav{margin-left:auto;display:flex;align-items:center;gap:4px;}
.main-nav a{
  padding:9px 14px;border-radius:10px;font-size:14.5px;font-weight:600;color:#c3d3e6;
  border:1px solid transparent;transition:all .2s ease;
}
.main-nav a:hover{background:rgba(56,189,248,.1);color:#fff;}
.main-nav a.active{color:#fff;background:rgba(56,189,248,.14);border-color:var(--line-strong);}
.nav-actions{display:flex;align-items:center;gap:8px;margin-left:14px;}
.nav-actions .btn-x{padding:10px 18px;font-size:14px;}
.nav-toggle{
  display:none;margin-left:auto;background:rgba(56,189,248,.08);border:1px solid var(--line-strong);
  color:#dbeafe;width:44px;height:44px;border-radius:12px;cursor:pointer;font-size:17px;
}

/* ===== Hero ===== */
.hero-cat{position:relative;padding:132px 0 68px;overflow:hidden;}
.hero-bg{position:absolute;inset:0;background:url('/assets/images/3907d3519de7648c.jpg') center/cover no-repeat;opacity:.26;}
.hero-veil{position:absolute;inset:0;background:
  linear-gradient(180deg,rgba(3,7,18,.9) 0%,rgba(3,7,18,.74) 46%,rgba(3,7,18,.98) 100%),
  radial-gradient(720px 460px at 84% 20%,rgba(37,99,235,.34),transparent 68%);}
.hero-cat .container-x{position:relative;z-index:2;}
.hero-layout{display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);gap:44px;align-items:start;}
.hero-cat h1{
  font-size:clamp(26px,3.9vw,44px);margin-bottom:18px;
  background:linear-gradient(120deg,#ffffff 12%,#a5e4ff 58%,#60a5fa 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{font-size:16.5px;color:#c9d8ea;max-width:680px;margin-bottom:26px;}
.check-list{list-style:none;padding:0;margin:0 0 28px;display:grid;gap:11px;max-width:640px;}
.check-list li{display:flex;gap:11px;align-items:flex-start;font-size:15px;color:#dbe7f5;margin:0;}
.check-list i{color:var(--cyan);font-size:15px;margin-top:5px;flex-shrink:0;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;}
.trust-panel{
  background:var(--panel);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border:1px solid var(--line-strong);border-radius:var(--radius-lg);padding:22px;box-shadow:var(--shadow-lg);
}
.trust-panel h2{font-size:15px;letter-spacing:.06em;text-transform:uppercase;color:var(--cyan);margin-bottom:14px;}
.trust-panel img{border-radius:var(--radius);border:1px solid var(--line);width:100%;object-fit:cover;aspect-ratio:16/9;}
.trust-stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 20px;margin-top:18px;padding-top:18px;border-top:1px solid var(--line);}
.trust-stat b{display:block;font-size:23px;color:#fff;font-weight:800;letter-spacing:-.01em;}
.trust-stat span{font-size:12.5px;color:var(--muted);}

/* ===== Split content ===== */
.split{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);gap:42px;align-items:start;}
.split p{color:#c6d5e8;font-size:15.5px;}
.figure-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:16px;box-shadow:var(--shadow);
}
.figure-card img{border-radius:var(--radius);width:100%;aspect-ratio:16/10;object-fit:cover;}
.figure-card figcaption{font-size:13.5px;color:var(--muted);margin-top:12px;line-height:1.6;}

.payout{list-style:none;padding:0;margin:6px 0 0;}
.payout li{
  display:grid;grid-template-columns:1.5fr repeat(3,minmax(0,.72fr));gap:10px;
  padding:13px 0;border-bottom:1px dashed var(--line);align-items:center;font-size:14.5px;
}
.payout li.head{
  color:var(--cyan);font-size:11.5px;text-transform:uppercase;letter-spacing:.11em;
  font-weight:700;border-bottom:1px solid var(--line-strong);
}
.payout .sym{color:#e8f1ff;font-weight:600;}
.payout .sym i{color:var(--gold);margin-right:7px;}
.payout .mult{color:var(--gold);font-weight:700;}
.note-box{
  margin-top:22px;padding:16px 18px;border-radius:var(--radius);
  background:rgba(56,189,248,.08);border-left:3px solid var(--cyan);
  font-size:14.5px;color:#d5e6f8;
}

/* ===== Strategy cards ===== */
.strat-grid{display:grid;grid-template-columns:1.15fr 1fr 1fr;gap:22px;}
.strat-card{
  background:linear-gradient(160deg,rgba(15,27,52,.74),rgba(8,18,41,.5));
  border:1px solid var(--line);border-radius:var(--radius);padding:26px;
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.strat-card:hover{transform:translateY(-5px);border-color:var(--line-strong);box-shadow:var(--shadow);}
.strat-card .idx{font-size:12px;letter-spacing:.2em;color:var(--cyan);font-weight:700;text-transform:uppercase;}
.strat-card h3{font-size:18px;margin:10px 0 12px;}
.strat-card p{color:var(--muted);font-size:14.5px;margin:0;}
.strat-card .hint{display:block;margin-top:14px;font-size:13px;color:var(--gold);font-weight:600;}

/* ===== Steps ===== */
.steps{list-style:none;padding:0 0 0 38px;margin:0;position:relative;}
.steps::before{content:"";position:absolute;left:13px;top:8px;bottom:8px;width:2px;background:linear-gradient(180deg,var(--cyan),rgba(56,189,248,0));}
.steps li{position:relative;padding-bottom:26px;}
.steps li:last-child{padding-bottom:0;}
.steps .dot{
  position:absolute;left:-38px;top:0;width:28px;height:28px;border-radius:50%;
  background:rgba(56,189,248,.14);border:1px solid var(--line-strong);color:var(--cyan);
  display:grid;place-items:center;font-size:12.5px;font-weight:800;
}
.steps h3{font-size:16.5px;margin-bottom:6px;}
.steps p{color:var(--muted);font-size:14.5px;margin:0;max-width:640px;}

/* ===== Modes ===== */
.mode-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.mode-card{
  border:1px solid var(--line);border-radius:var(--radius);padding:24px;
  background:rgba(11,20,40,.6);transition:border-color .2s ease,background .2s ease;
}
.mode-card:hover{border-color:var(--line-strong);background:rgba(15,27,52,.78);}
.mode-card .icon{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
  background:rgba(56,189,248,.12);color:var(--cyan);font-size:18px;margin-bottom:14px;
}
.mode-card h3{font-size:17px;margin-bottom:8px;}
.mode-card p{color:var(--muted);font-size:14.5px;margin:0;}
.mode-card .speed{display:inline-block;margin-top:14px;font-size:12px;font-weight:700;color:#03101f;background:linear-gradient(135deg,#38bdf8,#60a5fa);border-radius:999px;padding:4px 12px;}

/* ===== Winners ===== */
.win-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;margin-bottom:32px;}
.win-card{
  border:1px solid var(--line);border-radius:var(--radius);padding:20px;
  background:linear-gradient(165deg,rgba(15,27,52,.8),rgba(8,18,41,.45));
}
.win-card .who{font-size:13.5px;color:var(--muted);font-weight:600;}
.win-card .game{font-size:14px;color:#dbe7f5;margin:8px 0 14px;line-height:1.55;}
.win-card .amount{font-size:21px;font-weight:800;color:var(--gold);letter-spacing:-.01em;}
.win-media{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:32px;align-items:center;}
.win-media img{border-radius:var(--radius-lg);border:1px solid var(--line);width:100%;aspect-ratio:16/10;object-fit:cover;}
.win-media p{color:#c6d5e8;font-size:15.5px;}

/* ===== FAQ ===== */
.faq{max-width:900px;}
.faq .accordion-item{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius)!important;
  margin-bottom:14px;overflow:hidden;
}
.faq .accordion-button{
  background:transparent;color:#eaf3ff;font-weight:600;font-size:16px;padding:18px 20px;box-shadow:none;
}
.faq .accordion-button:not(.collapsed){color:var(--cyan);background:rgba(56,189,248,.07);}
.faq .accordion-button:focus{box-shadow:0 0 0 3px rgba(56,189,248,.25);border-color:transparent;}
.faq .accordion-button::after{filter:invert(1) hue-rotate(180deg);opacity:.75;}
.faq .accordion-body{color:var(--muted);font-size:15px;padding:0 20px 20px;line-height:1.7;}

/* ===== Category matrix ===== */
.cat-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.cat-card{
  display:block;border:1px solid var(--line);border-radius:var(--radius);padding:24px;
  background:rgba(11,20,40,.6);color:var(--text);transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.cat-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow);color:var(--text);}
.cat-card i{color:var(--cyan);font-size:20px;margin-bottom:12px;display:block;}
.cat-card h3{font-size:17px;margin-bottom:8px;}
.cat-card p{color:var(--muted);font-size:14.5px;margin:0;}
.cat-card .go{display:inline-flex;align-items:center;gap:8px;margin-top:14px;font-size:13.5px;font-weight:700;color:var(--cyan);}

/* ===== News ===== */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.news-card{
  display:flex;flex-direction:column;gap:10px;padding:22px;border-radius:var(--radius);
  border:1px solid var(--line);background:rgba(11,20,40,.6);color:var(--text);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.news-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow);color:var(--text);}
.news-tag{font-size:11.5px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--cyan);}
.news-card h3{font-size:16.5px;margin:0;line-height:1.45;}
.news-card p{color:var(--muted);font-size:14px;margin:0;}
.news-meta{font-size:12.5px;color:#7f92aa;margin-top:auto;}
.news-empty{color:var(--muted);font-size:15px;}

/* ===== CTA band ===== */
.cta-band{
  border:1px solid var(--line-strong);border-radius:var(--radius-lg);padding:40px;
  background:
    radial-gradient(620px 300px at 88% 12%,rgba(37,99,235,.36),transparent 68%),
    linear-gradient(160deg,rgba(15,27,52,.92),rgba(8,18,41,.7));
  display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,.6fr);gap:32px;align-items:center;
}
.cta-band h2{font-size:clamp(21px,2.6vw,30px);margin-bottom:12px;}
.cta-band p{color:#c6d5e8;margin:0;font-size:15.5px;}
.cta-actions{display:flex;flex-direction:column;gap:12px;}

/* ===== Footer ===== */
.site-footer{background:linear-gradient(180deg,rgba(3,7,18,.4),rgba(2,6,16,.95));border-top:1px solid var(--line);padding:56px 0 26px;margin-top:20px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px;padding-bottom:34px;border-bottom:1px solid var(--line);}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:14px;}
.footer-col h4{font-size:14px;letter-spacing:.08em;text-transform:uppercase;color:#dbe7f5;margin-bottom:16px;}
.footer-col p{color:var(--muted);font-size:14px;max-width:340px;}
.footer-col ul{list-style:none;padding:0;margin:0;display:grid;gap:10px;}
.footer-col ul a{color:var(--muted);font-size:14px;}
.footer-col ul a:hover{color:var(--cyan);}
.footer-bottom{display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;padding-top:22px;}
.footer-bottom p{color:#7f92aa;font-size:13px;margin:0;}
.legal{display:flex;align-items:center;gap:16px;flex-wrap:wrap;}
.legal a{color:#9db0c8;font-size:13px;}
.legal a:hover{color:var(--cyan);}
.badge-18{
  display:inline-grid;place-items:center;width:34px;height:34px;border-radius:10px;
  border:1px solid var(--line-strong);color:var(--cyan);font-size:12px;font-weight:800;
  background:rgba(56,189,248,.08);
}

/* ===== FAB ===== */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:1050;
  width:58px;height:58px;border-radius:999px;display:grid;place-items:center;
  color:#eafcff;font-size:20px;opacity:.8;
  border:2px solid transparent;
  background-image:linear-gradient(rgba(7,12,24,.9),rgba(7,12,24,.9)),linear-gradient(135deg,#38bdf8,#2563eb);
  background-origin:border-box;background-clip:padding-box,border-box;
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  box-shadow:0 0 20px rgba(56,189,248,.45);
  animation:fabFloat 3.4s ease-in-out infinite;
  transition:transform .25s ease,box-shadow .25s ease,opacity .25s ease;
}
.fab:hover{opacity:1;transform:scale(1.08);box-shadow:0 0 32px rgba(56,189,248,.72);color:#fff;}
.fab:active{transform:scale(.94) translateY(2px);}
.fab i{transition:transform .35s ease;}
.fab:hover i{transform:rotate(12deg) scale(1.08);animation:fabFlicker 1.1s linear infinite;}
.fab-dot{
  position:absolute;top:1px;right:1px;width:13px;height:13px;border-radius:50%;
  background:#f43f5e;box-shadow:0 0 0 2px #030712;animation:dotPulse 1.6s ease-in-out infinite;
}
@keyframes fabFloat{0%,100%{transform:translateY(0);}50%{transform:translateY(-6px);}}
@keyframes fabFlicker{0%,100%{opacity:1;}50%{opacity:.55;}}
@keyframes dotPulse{0%,100%{box-shadow:0 0 0 2px #030712,0 0 0 0 rgba(244,63,94,.6);}50%{box-shadow:0 0 0 2px #030712,0 0 0 8px rgba(244,63,94,0);}}

/* ===== Responsive ===== */
@media (max-width:1100px){
  .hero-layout{grid-template-columns:1fr;gap:34px;}
  .split{grid-template-columns:1fr;gap:30px;}
  .strat-grid{grid-template-columns:1fr 1fr;}
  .win-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:992px){
  .nav-toggle{display:grid;place-items:center;order:3;margin-left:0;}
  .nav-actions{order:2;margin-left:auto;}
  .main-nav{
    position:absolute;top:74px;left:0;right:0;flex-direction:column;align-items:stretch;
    background:rgba(3,7,18,.97);border-bottom:1px solid var(--line);
    padding:14px 20px 20px;gap:6px;display:none;margin-left:0;
  }
  .main-nav.open{display:flex;}
  .main-nav a{padding:12px 14px;font-size:15px;}
  .mode-grid,.cat-grid,.news-grid{grid-template-columns:1fr 1fr;}
  .cta-band{grid-template-columns:1fr;gap:24px;padding:32px;}
  .cta-actions{flex-direction:row;flex-wrap:wrap;}
  .win-media{grid-template-columns:1fr;gap:24px;}
}
@media (max-width:768px){
  .section{padding:58px 0;}
  .hero-cat{padding:112px 0 52px;}
  .strat-grid,.mode-grid,.cat-grid,.news-grid{grid-template-columns:1fr;}
  .win-grid{grid-template-columns:1fr;}
  .trust-stats{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
}
@media (max-width:560px){
  .header-inner{height:64px;gap:10px;}
  .brand-mark{width:36px;height:36px;font-size:15px;border-radius:11px;}
  .brand-text span{display:none;}
  .brand-text strong{font-size:13.5px;}
  .nav-actions .btn-x{padding:9px 12px;font-size:12.5px;}
  .main-nav{top:64px;}
  .payout li{grid-template-columns:repeat(3,minmax(0,1fr));font-size:13.5px;}
  .payout .sym{grid-column:1 / -1;font-weight:700;}
  .payout li.head{display:none;}
  .hero-cta .btn-x{width:100%;}
  .cta-actions{flex-direction:column;}
  .cta-actions .btn-x{width:100%;}
  .fab{left:12px;bottom:84px;width:54px;height:54px;font-size:18px;}
}

/* roulang page: article */
:root{
  --bg:#030712;
  --bg-soft:#081229;
  --panel:rgba(11,20,40,.74);
  --panel-2:rgba(15,27,52,.55);
  --line:rgba(96,165,250,.16);
  --line-strong:rgba(56,189,248,.42);
  --blue:#2563eb;
  --cyan:#38bdf8;
  --holo:#60a5fa;
  --text:#f8fafc;
  --muted:#94a3b8;
  --gold:#fbbf24;
  --green:#22c55e;
  --pink:#f43f5e;
  --radius-lg:22px;
  --radius:16px;
  --radius-sm:10px;
  --shadow-lg:0 24px 60px rgba(2,8,24,.62);
  --shadow:0 12px 32px rgba(2,8,24,.45);
  --glow:0 0 26px rgba(56,189,248,.32);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:'Be Vietnam Pro',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
  font-size:16px;
  line-height:1.65;
  color:var(--text);
  background:
    radial-gradient(900px 620px at 10% -12%, rgba(37,99,235,.24), transparent 62%),
    radial-gradient(760px 520px at 94% 6%, rgba(56,189,248,.14), transparent 62%),
    var(--bg);
  background-attachment:fixed;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--holo);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:var(--cyan);}
h1,h2,h3,h4{line-height:1.25;margin:0 0 14px;font-weight:800;color:#fff;}
p{margin:0 0 16px;}
ul,ol{margin:0 0 16px;padding-left:20px;}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:8px;}
.container-x{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;}
.section{padding:76px 0;position:relative;}
.section-tight{padding:56px 0;}
.section-alt{background:linear-gradient(180deg,rgba(8,18,41,.72),rgba(3,7,18,.2));border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:11.5px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--cyan);background:rgba(56,189,248,.1);
  border:1px solid var(--line-strong);border-radius:999px;padding:6px 14px;margin-bottom:16px;
}
.section-head{max-width:800px;margin-bottom:38px;}
.section-head h2{font-size:clamp(23px,2.8vw,34px);margin-bottom:12px;}
.section-head p{color:var(--muted);font-size:15.5px;margin:0;line-height:1.7;}
.divider-x{height:1px;background:linear-gradient(90deg,transparent,var(--line-strong),transparent);margin:0;border:0;}

/* ---------- Buttons ---------- */
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 26px;border-radius:999px;font-weight:700;font-size:15px;
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .22s ease,background .22s ease,color .22s ease;
  white-space:nowrap;
}
.btn-x i{font-size:14px;}
.btn-glow{background:linear-gradient(135deg,#2563eb,#38bdf8);color:#03101f;box-shadow:0 0 22px rgba(56,189,248,.4);}
.btn-glow:hover{color:#03101f;transform:translateY(-2px);box-shadow:0 0 34px rgba(56,189,248,.62);}
.btn-outline-x{background:rgba(56,189,248,.06);color:#e2f2ff;border-color:var(--line-strong);}
.btn-outline-x:hover{background:rgba(56,189,248,.16);color:#fff;transform:translateY(-2px);}
.btn-ghost-x{background:transparent;color:#cbd5e1;border-color:transparent;padding:10px 16px;font-weight:600;}
.btn-ghost-x:hover{color:#fff;background:rgba(56,189,248,.1);}
.btn-x:active{transform:translateY(0) scale(.98);}

/* ---------- Header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1030;
  background:rgba(3,7,18,.84);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:18px;height:74px;}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0;}
.brand-mark{
  width:42px;height:42px;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(135deg,#2563eb,#38bdf8);color:#03101f;font-weight:800;font-size:17px;
  box-shadow:var(--glow);flex-shrink:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:15.5px;color:#fff;font-weight:800;letter-spacing:.01em;}
.brand-text span{font-size:10px;color:var(--muted);letter-spacing:.14em;text-transform:uppercase;font-weight:600;}
.main-nav{margin-left:auto;display:flex;align-items:center;gap:4px;}
.main-nav a{
  padding:9px 14px;border-radius:10px;font-size:14.5px;font-weight:600;color:#c3d3e6;
  border:1px solid transparent;transition:all .2s ease;
}
.main-nav a:hover{background:rgba(56,189,248,.1);color:#fff;}
.main-nav a.active{color:#fff;background:rgba(56,189,248,.14);border-color:var(--line-strong);}
.nav-actions{display:flex;align-items:center;gap:8px;margin-left:14px;}
.nav-actions .btn-x{padding:10px 18px;font-size:14px;}
.nav-toggle{
  display:none;margin-left:auto;background:rgba(56,189,248,.08);border:1px solid var(--line-strong);
  color:#dbeafe;width:44px;height:44px;border-radius:12px;cursor:pointer;font-size:17px;
}

/* ---------- Article hero ---------- */
.article-hero{position:relative;padding:138px 0 62px;overflow:hidden;}
.article-hero-bg{position:absolute;inset:0;background:url('/assets/images/6345b8dc3778748d.jpg') center/cover no-repeat;opacity:.28;}
.article-hero-veil{position:absolute;inset:0;background:
  linear-gradient(180deg,rgba(3,7,18,.9) 0%,rgba(3,7,18,.76) 46%,rgba(3,7,18,.98) 100%),
  radial-gradient(740px 440px at 84% 20%,rgba(37,99,235,.34),transparent 68%);}
.article-hero .container-x{position:relative;z-index:2;}
.breadcrumb-x{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:20px;}
.breadcrumb-x a{color:#a9c4e2;font-weight:600;}
.breadcrumb-x a:hover{color:var(--cyan);}
.breadcrumb-x .sep{opacity:.45;}
.breadcrumb-x .current{color:#dbe7f5;max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.article-hero h1{
  font-size:clamp(26px,3.9vw,45px);line-height:1.22;margin-bottom:18px;max-width:940px;
  background:linear-gradient(120deg,#ffffff 14%,#a5e4ff 62%,#60a5fa 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.article-meta{display:flex;flex-wrap:wrap;gap:10px 22px;font-size:13.5px;color:var(--muted);margin-bottom:20px;}
.article-meta i{color:var(--cyan);margin-right:7px;}
.hero-lead{font-size:16.5px;color:#c9d8ea;max-width:800px;margin-bottom:26px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.tag-x{
  display:inline-flex;align-items:center;gap:7px;padding:6px 13px;border-radius:999px;
  font-size:12.5px;font-weight:700;color:#bfe6ff;background:rgba(56,189,248,.1);
  border:1px solid var(--line-strong);
}

/* ---------- Article body ---------- */
.article-body-wrap{padding:58px 0 24px;}
.article-main{max-width:900px;}
.post-content{font-size:16.5px;color:#d7e3f2;}
.post-content h2{font-size:clamp(21px,2.4vw,29px);margin:40px 0 16px;padding-left:16px;border-left:3px solid var(--cyan);}
.post-content h3{font-size:19px;margin:30px 0 12px;color:#e8f2ff;}
.post-content h4{font-size:17px;margin:24px 0 10px;color:#e2eeff;}
.post-content p{margin:0 0 18px;line-height:1.78;}
.post-content ul,.post-content ol{margin:0 0 20px;padding-left:22px;}
.post-content li{margin-bottom:10px;line-height:1.72;}
.post-content a{color:var(--cyan);text-decoration:underline;text-underline-offset:3px;}
.post-content strong{color:#fff;}
.post-content img{border-radius:var(--radius);margin:24px 0;border:1px solid var(--line);}
.post-content blockquote{
  margin:28px 0;padding:20px 24px;background:rgba(37,99,235,.12);
  border-left:3px solid var(--cyan);border-radius:0 var(--radius) var(--radius) 0;
  font-size:17px;color:#eaf4ff;
}
.post-content table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;}
.post-content th,.post-content td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left;}
.post-content th{color:#bfe6ff;font-weight:700;background:rgba(56,189,248,.08);}
.empty-state{
  max-width:720px;padding:38px 30px;border-radius:var(--radius-lg);
  background:var(--panel);border:1px solid var(--line);text-align:center;
}
.empty-state i{font-size:34px;color:var(--gold);margin-bottom:14px;display:block;}
.empty-state h2{font-size:22px;margin-bottom:10px;}
.empty-state p{color:var(--muted);margin-bottom:22px;}

/* ---------- Pull quote ---------- */
.pull-quote{
  position:relative;margin:0 0 34px;padding:28px 30px;border-radius:var(--radius-lg);
  background:linear-gradient(135deg,rgba(37,99,235,.24),rgba(56,189,248,.08));
  border:1px solid var(--line-strong);box-shadow:var(--shadow);
  font-size:18px;line-height:1.62;color:#eaf6ff;
}
.pull-quote i{color:var(--cyan);margin-right:10px;}
.pull-quote cite{display:block;margin-top:14px;font-size:13px;font-style:normal;color:var(--muted);letter-spacing:.02em;}

/* ---------- Takeaway grid ---------- */
.take-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
.take-item{
  display:flex;gap:14px;padding:22px;border-radius:var(--radius);
  background:var(--panel);border:1px solid var(--line);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  transition:transform .2s ease,border-color .2s ease,box-shadow .22s ease;
}
.take-item:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:var(--shadow);}
.take-item .ico{
  width:44px;height:44px;flex:0 0 44px;border-radius:13px;display:grid;place-items:center;
  background:rgba(56,189,248,.12);color:var(--cyan);border:1px solid var(--line-strong);font-size:17px;
}
.take-item h3{font-size:16px;margin-bottom:7px;}
.take-item p{font-size:14.5px;color:var(--muted);margin:0;line-height:1.66;}

/* ---------- Payout table ---------- */
.table-scroll{overflow-x:auto;border-radius:var(--radius);}
.payout-table{width:100%;min-width:620px;border-collapse:separate;border-spacing:0;background:var(--panel-2);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;}
.payout-table th{
  background:rgba(56,189,248,.1);color:#bfe6ff;font-size:12.5px;letter-spacing:.08em;
  text-transform:uppercase;padding:15px 18px;text-align:left;font-weight:700;
}
.payout-table td{padding:15px 18px;border-top:1px solid var(--line);font-size:15px;color:#dbe7f5;}
.payout-table tbody tr{transition:background .2s ease;}
.payout-table tbody tr:hover td{background:rgba(56,189,248,.06);}
.payout-table .sym{font-weight:700;color:#fff;}
.payout-table .mult{color:var(--gold);font-weight:800;font-variant-numeric:tabular-nums;}
.payout-table .mult small{color:var(--muted);font-weight:500;font-size:12.5px;}
.table-note{font-size:13.5px;color:var(--muted);margin-top:16px;}

/* ---------- Steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;counter-reset:step;}
.step-card{
  position:relative;padding:26px 22px 24px;border-radius:var(--radius);
  background:var(--panel);border:1px solid var(--line);
  transition:transform .2s ease,border-color .2s ease,box-shadow .22s ease;
}
.step-card:hover{transform:translateY(-3px);border-color:var(--line-strong);box-shadow:var(--shadow);}
.step-card::before{
  counter-increment:step;content:"0" counter(step);
  font-size:12.5px;font-weight:800;color:var(--cyan);letter-spacing:.18em;
}
.step-card h3{font-size:16.5px;margin:12px 0 8px;}
.step-card p{font-size:14.5px;color:var(--muted);margin:0;line-height:1.66;}

/* ---------- Split feature ---------- */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:46px;align-items:center;}
.split-media{position:relative;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line-strong);box-shadow:var(--shadow-lg);}
.split-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;}
.split-media .glow-ring{
  position:absolute;left:16px;right:16px;bottom:16px;padding:13px 16px;border-radius:14px;
  background:rgba(3,7,18,.8);border:1px solid var(--line-strong);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  font-size:13.5px;color:#cfe4f8;display:flex;align-items:center;gap:10px;
}
.split-media .glow-ring i{color:var(--green);}
.check-list{list-style:none;padding:0;margin:0 0 26px;}
.check-list li{display:flex;gap:12px;padding:12px 0;border-bottom:1px dashed var(--line);font-size:15px;color:#dbe7f5;line-height:1.66;}
.check-list li:last-child{border-bottom:0;}
.check-list i{color:var(--green);margin-top:5px;flex-shrink:0;}
.split-cta{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- Rules / budget ---------- */
.rule-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.rule-card{padding:24px 22px;border-radius:var(--radius);background:var(--panel-2);border:1px solid var(--line);}
.rule-card span.k{display:block;font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:var(--cyan);font-weight:700;margin-bottom:10px;}
.rule-card h3{font-size:16.5px;margin-bottom:8px;}
.rule-card p{font-size:14.5px;color:var(--muted);margin:0;line-height:1.66;}

/* ---------- FAQ ---------- */
.faq-x{max-width:920px;}
.faq-x .accordion-item{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius)!important;
  margin-bottom:12px;overflow:hidden;
}
.faq-x .accordion-button{
  background:transparent;color:#eaf3ff;font-weight:700;font-size:15.5px;
  padding:18px 20px;box-shadow:none;border-radius:var(--radius)!important;line-height:1.5;
}
.faq-x .accordion-button:not(.collapsed){color:#fff;background:rgba(56,189,248,.1);}
.faq-x .accordion-button:focus{box-shadow:none;border-color:var(--line-strong);}
.faq-x .accordion-button::after{filter:invert(1) hue-rotate(170deg) saturate(1.4);}
.faq-x .accordion-body{color:#a9bdd4;font-size:15px;padding:2px 20px 20px;line-height:1.72;}

/* ---------- Related cards ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.post-card{
  display:flex;flex-direction:column;border-radius:var(--radius);overflow:hidden;
  background:var(--panel);border:1px solid var(--line);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.post-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-lg);}
.post-card .thumb{aspect-ratio:16/9;overflow:hidden;}
.post-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
.post-card:hover .thumb img{transform:scale(1.06);}
.post-card .body{padding:20px;display:flex;flex-direction:column;flex:1;}
.post-card h3{font-size:17px;margin-bottom:10px;}
.post-card p{font-size:14.5px;color:var(--muted);margin:0 0 16px;line-height:1.66;}
.post-card .more{margin-top:auto;font-size:13.5px;font-weight:700;color:var(--cyan);}
.post-card .more i{margin-left:6px;transition:transform .2s ease;}
.post-card:hover .more i{transform:translateX(4px);}

/* ---------- CTA band ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);padding:46px 40px;
  background:linear-gradient(135deg,rgba(37,99,235,.34),rgba(56,189,248,.12));
  border:1px solid var(--line-strong);box-shadow:var(--shadow-lg);text-align:center;
}
.cta-band h2{font-size:clamp(22px,2.6vw,32px);margin-bottom:12px;}
.cta-band p{color:#c9d8ea;font-size:15.5px;max-width:720px;margin:0 auto 24px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;}
.cta-facts{display:flex;flex-wrap:wrap;gap:12px 28px;justify-content:center;margin-top:24px;font-size:13.5px;color:var(--muted);}
.cta-facts span{display:inline-flex;align-items:center;gap:8px;}
.cta-facts i{color:var(--cyan);}

/* ---------- Footer ---------- */
.site-footer{
  margin-top:36px;padding:58px 0 26px;
  background:linear-gradient(180deg,rgba(3,7,18,.4),rgba(3,7,18,.96));
  border-top:1px solid var(--line);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px;}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px;}
.footer-col h4{font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:#bfe6ff;margin-bottom:14px;}
.footer-col p{font-size:14px;color:var(--muted);line-height:1.72;margin:0;}
.footer-col ul{list-style:none;padding:0;margin:0;}
.footer-col li{margin-bottom:9px;}
.footer-col a{font-size:14px;color:#b9cde4;}
.footer-col a:hover{color:var(--cyan);}
.footer-bottom{
  margin-top:38px;padding-top:20px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
}
.footer-bottom p{font-size:13px;color:#7f93ab;margin:0;}
.legal{display:flex;align-items:center;gap:16px;flex-wrap:wrap;}
.legal a{font-size:13px;color:#9fb4cc;}
.legal a:hover{color:var(--cyan);}
.badge-18{
  display:inline-grid;place-items:center;width:34px;height:34px;border-radius:50%;
  border:1px solid var(--pink);color:#ffd7de;font-size:11.5px;font-weight:800;
  background:rgba(244,63,94,.14);
}

/* ---------- FAB ---------- */
.fab-neon{
  position:fixed;left:16px;bottom:96px;z-index:1050;
  display:inline-flex;align-items:center;justify-content:center;
  width:56px;height:56px;border-radius:999px;
  border:2px solid transparent;
  background-image:linear-gradient(rgba(7,12,24,.88),rgba(7,12,24,.88)),linear-gradient(135deg,#38bdf8,#2563eb);
  background-origin:border-box;background-clip:padding-box,border-box;
  color:#7dd3fc;box-shadow:0 0 20px rgba(56,189,248,.45);
  opacity:.78;transition:transform .22s ease,opacity .22s ease,box-shadow .22s ease,color .22s ease;
}
.fab-neon:hover{opacity:1;transform:scale(1.1);color:#e0f2fe;box-shadow:0 0 34px rgba(56,189,248,.72);}
.fab-neon:active{transform:scale(.94);}
.fab-neon i{font-size:20px;}
.fab-dot{
  position:absolute;top:-2px;right:-2px;width:12px;height:12px;border-radius:50%;
  background:var(--pink);border:2px solid #030712;animation:pulseDot 1.6s ease-in-out infinite;
}
@keyframes pulseDot{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.45;transform:scale(.8);}}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .main-nav{
    position:absolute;top:74px;left:0;right:0;flex-direction:column;align-items:stretch;
    background:rgba(3,7,18,.97);border-bottom:1px solid var(--line);
    padding:14px 20px 20px;gap:6px;display:none;margin-left:0;
    backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  }
  .main-nav.open{display:flex;}
  .main-nav a{padding:12px 14px;font-size:15px;}
  .nav-toggle{display:grid;place-items:center;}
  .split{grid-template-columns:1fr;gap:30px;}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .rule-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}
@media (max-width:768px){
  .section{padding:56px 0;}
  .article-hero{padding:112px 0 46px;}
  .article-body-wrap{padding:44px 0 18px;}
  .take-grid{grid-template-columns:1fr;}
  .brand-text span{display:none;}
  .header-inner{height:66px;gap:10px;}
  .brand-mark{width:36px;height:36px;font-size:15px;border-radius:11px;}
  .brand-text strong{font-size:13.5px;}
  .nav-actions{margin-left:0;gap:6px;}
  .nav-actions .btn-x{padding:9px 13px;font-size:12.5px;}
  .main-nav{top:66px;}
  .cta-band{padding:36px 24px;}
  .fab-neon{bottom:88px;}
}
@media (max-width:520px){
  .container-x{padding:0 16px;}
  .steps{grid-template-columns:1fr;}
  .rule-grid{grid-template-columns:1fr;}
  .card-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .article-hero{padding:104px 0 40px;}
  .breadcrumb-x .current{max-width:180px;}
  .hero-cta .btn-x,.split-cta .btn-x,.cta-actions .btn-x{width:100%;}
  .pull-quote{padding:22px 20px;font-size:16.5px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category2 */
:root{
  --bg:#030712;
  --bg-soft:#081229;
  --panel:rgba(11,20,40,.74);
  --panel-2:rgba(15,27,52,.55);
  --line:rgba(96,165,250,.16);
  --line-strong:rgba(56,189,248,.42);
  --blue:#2563eb;
  --cyan:#38bdf8;
  --holo:#60a5fa;
  --text:#f8fafc;
  --muted:#94a3b8;
  --gold:#fbbf24;
  --green:#22c55e;
  --pink:#f43f5e;
  --radius-lg:22px;
  --radius:16px;
  --radius-sm:10px;
  --shadow-lg:0 24px 60px rgba(2,8,24,.62);
  --shadow:0 12px 32px rgba(2,8,24,.45);
  --glow:0 0 26px rgba(56,189,248,.32);
  --container:1200px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:'Be Vietnam Pro',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
  font-size:16px;
  line-height:1.65;
  color:var(--text);
  background:
    radial-gradient(900px 620px at 10% -12%, rgba(37,99,235,.24), transparent 62%),
    radial-gradient(760px 520px at 94% 6%, rgba(56,189,248,.14), transparent 62%),
    var(--bg);
  background-attachment:fixed;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--holo);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:var(--cyan);}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{font-weight:800;letter-spacing:-.01em;line-height:1.25;}
p{margin:0 0 14px;}
p:last-child{margin-bottom:0;}
ul{padding-left:0;list-style:none;margin:0;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px;}

.container-x{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;}
.section{padding:76px 0;position:relative;}
.section-tight{padding:52px 0;}
.section-alt{background:linear-gradient(180deg,rgba(8,18,41,.72),rgba(3,7,18,.2));border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:760px;margin-bottom:38px;}
.section-head h2{font-size:clamp(23px,2.9vw,34px);margin:0 0 14px;}
.section-head p{color:#b9c9dd;font-size:15.5px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:11.5px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--cyan);background:rgba(56,189,248,.1);
  border:1px solid var(--line-strong);border-radius:999px;padding:6px 14px;margin-bottom:16px;
}
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 26px;border-radius:999px;font-weight:700;font-size:15px;
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .22s ease,background .22s ease,color .22s ease;
  white-space:nowrap;
}
.btn-x i{font-size:14px;}
.btn-glow{background:linear-gradient(135deg,#2563eb,#38bdf8);color:#03101f;box-shadow:0 0 22px rgba(56,189,248,.4);}
.btn-glow:hover{color:#03101f;transform:translateY(-2px);box-shadow:0 0 34px rgba(56,189,248,.62);}
.btn-outline-x{background:rgba(56,189,248,.06);color:#e2f2ff;border-color:var(--line-strong);}
.btn-outline-x:hover{background:rgba(56,189,248,.16);color:#fff;transform:translateY(-2px);}
.btn-ghost-x{background:transparent;color:#cbd5e1;border-color:transparent;padding:10px 16px;font-weight:600;}
.btn-ghost-x:hover{color:#fff;background:rgba(56,189,248,.1);}
.btn-x:active{transform:translateY(0) scale(.98);}
.btn-sm-x{padding:11px 20px;font-size:14px;}

/* ===== Header ===== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1030;
  background:rgba(3,7,18,.84);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:18px;height:74px;}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0;}
.brand-mark{
  width:42px;height:42px;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(135deg,#2563eb,#38bdf8);color:#03101f;font-weight:800;font-size:17px;
  box-shadow:var(--glow);flex-shrink:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:15.5px;color:#fff;font-weight:800;letter-spacing:.01em;}
.brand-text span{font-size:10px;color:var(--muted);letter-spacing:.14em;text-transform:uppercase;font-weight:600;}
.main-nav{margin-left:auto;display:flex;align-items:center;gap:4px;}
.main-nav a{
  padding:9px 14px;border-radius:10px;font-size:14.5px;font-weight:600;color:#c3d3e6;
  border:1px solid transparent;transition:all .2s ease;
}
.main-nav a:hover{background:rgba(56,189,248,.1);color:#fff;}
.main-nav a.active{color:#fff;background:rgba(56,189,248,.14);border-color:var(--line-strong);}
.nav-actions{display:flex;align-items:center;gap:8px;margin-left:14px;}
.nav-actions .btn-x{padding:10px 18px;font-size:14px;}
.nav-toggle{
  display:none;margin-left:auto;background:rgba(56,189,248,.08);border:1px solid var(--line-strong);
  color:#dbeafe;width:44px;height:44px;border-radius:12px;cursor:pointer;font-size:17px;
}

/* ===== Hero / flash sale ===== */
.hero{position:relative;padding:132px 0 66px;overflow:hidden;}
.hero-bg{position:absolute;inset:0;background:url('/assets/images/3907d3519de7648c.jpg') center/cover no-repeat;opacity:.28;}
.hero-veil{
  position:absolute;inset:0;
  background:
    linear-gradient(180deg,rgba(3,7,18,.88) 0%,rgba(3,7,18,.74) 45%,rgba(3,7,18,.98) 100%),
    radial-gradient(760px 460px at 84% 20%,rgba(37,99,235,.36),transparent 68%);
}
.hero .container-x{position:relative;z-index:2;}
.flash-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:14px 22px;
  padding:12px 20px;border-radius:999px;margin-bottom:30px;
  background:linear-gradient(120deg,rgba(37,99,235,.28),rgba(56,189,248,.12));
  border:1px solid var(--line-strong);box-shadow:var(--glow);
}
.flash-label{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:#e8f4ff;letter-spacing:.03em;}
.flash-label i{color:var(--gold);}
.countdown{display:flex;align-items:center;gap:10px;}
.countdown span{
  display:inline-flex;align-items:baseline;gap:5px;font-size:12px;color:#9fb6cf;font-weight:600;
  background:rgba(3,7,18,.55);border:1px solid var(--line);border-radius:10px;padding:5px 11px;
}
.countdown b{font-size:15px;color:#fff;font-weight:800;font-variant-numeric:tabular-nums;}
.flash-link{margin-left:auto;font-size:13.5px;font-weight:700;color:var(--cyan);display:inline-flex;align-items:center;gap:7px;}
.flash-link:hover{gap:11px;color:#a5e4ff;}

.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:start;}
.hero h1{
  font-size:clamp(27px,3.9vw,46px);line-height:1.22;margin:0 0 20px;
  background:linear-gradient(120deg,#ffffff 12%,#a5e4ff 58%,#60a5fa 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{font-size:16.5px;color:#c9d8ea;max-width:640px;margin-bottom:24px;}
.hero-points{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px 24px;margin-bottom:28px;}
.hero-points li{display:flex;gap:11px;align-items:flex-start;font-size:14.8px;color:#dbe7f5;}
.hero-points i{color:var(--cyan);font-size:14px;margin-top:5px;flex-shrink:0;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;}

.product-card{
  background:linear-gradient(160deg,rgba(15,27,52,.92),rgba(8,18,41,.78));
  border:1px solid var(--line-strong);border-radius:var(--radius-lg);
  padding:24px;box-shadow:var(--shadow-lg);position:relative;overflow:hidden;
}
.product-card::after{
  content:"";position:absolute;inset:-40% -60% auto auto;width:280px;height:280px;
  background:radial-gradient(circle,rgba(56,189,248,.24),transparent 68%);pointer-events:none;
}
.product-tag{
  display:inline-flex;align-items:center;gap:7px;font-size:11px;font-weight:800;letter-spacing:.12em;
  text-transform:uppercase;color:#03101f;background:linear-gradient(135deg,#fbbf24,#fde68a);
  border-radius:999px;padding:5px 12px;margin-bottom:16px;
}
.product-card h2{font-size:19px;margin:0 0 6px;color:#fff;}
.product-card .sub{font-size:13.5px;color:var(--muted);margin-bottom:18px;}
.product-thumb{border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);margin-bottom:18px;}
.product-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.code-box{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  border:1px dashed var(--line-strong);border-radius:var(--radius-sm);
  background:rgba(56,189,248,.07);padding:12px 16px;margin-bottom:16px;
}
.code-box span{font-size:12.5px;color:#a9bed6;font-weight:600;letter-spacing:.06em;text-transform:uppercase;}
.code-box b{font-size:22px;color:var(--gold);letter-spacing:.12em;font-weight:800;}
.product-meta{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-bottom:20px;}
.product-meta div{background:rgba(3,7,18,.5);border:1px solid var(--line);border-radius:var(--radius-sm);padding:11px 13px;}
.product-meta b{display:block;font-size:16px;color:#fff;}
.product-meta small{font-size:11.5px;color:var(--muted);letter-spacing:.05em;text-transform:uppercase;font-weight:600;}
.product-card .btn-x{width:100%;}

/* ===== Feature grid ===== */
.feature-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;}
.feature-item{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;transition:border-color .22s ease,transform .22s ease,box-shadow .22s ease;
}
.feature-item:hover{border-color:var(--line-strong);transform:translateY(-4px);box-shadow:var(--shadow);}
.feature-ico{
  width:46px;height:46px;border-radius:13px;display:grid;place-items:center;margin-bottom:16px;
  background:rgba(56,189,248,.12);border:1px solid var(--line-strong);color:var(--cyan);font-size:18px;
}
.feature-item h3{font-size:17px;margin:0 0 9px;color:#fff;}
.feature-item p{font-size:14.8px;color:#a9bed6;}

.split{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center;}
.split-media{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-lg);}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:#c6d6e8;margin-bottom:12px;}
.check-list i{color:var(--green);margin-top:5px;font-size:14px;flex-shrink:0;}

/* ===== Steps ===== */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;counter-reset:step;}
.step{
  background:var(--panel-2);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 20px;position:relative;
}
.step-num{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,#2563eb,#38bdf8);color:#03101f;font-weight:800;font-size:15px;
  margin-bottom:15px;box-shadow:var(--glow);
}
.step h3{font-size:15.5px;margin:0 0 8px;color:#fff;}
.step p{font-size:14.2px;color:#a4b8cf;}

.note-strip{
  margin-top:26px;display:flex;gap:14px;align-items:flex-start;
  border-left:3px solid var(--cyan);background:rgba(56,189,248,.07);
  border-radius:0 var(--radius-sm) var(--radius-sm) 0;padding:16px 20px;
}
.note-strip i{color:var(--cyan);margin-top:4px;}
.note-strip p{font-size:14.5px;color:#c3d4e6;}

/* ===== Specs ===== */
.spec-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.spec-card{
  border:1px solid var(--line);border-radius:var(--radius);padding:22px;
  background:linear-gradient(160deg,rgba(15,27,52,.7),rgba(3,7,18,.35));
}
.spec-card h3{font-size:15.5px;margin:0 0 14px;color:#fff;display:flex;align-items:center;gap:9px;}
.spec-card h3 i{color:var(--cyan);font-size:14px;}
.spec-card li{display:flex;justify-content:space-between;gap:14px;font-size:14px;color:#a9bed6;padding:9px 0;border-bottom:1px dashed rgba(96,165,250,.14);}
.spec-card li:last-child{border-bottom:0;}
.spec-card li b{color:#e6f1ff;font-weight:700;}

/* ===== Compare ===== */
.compare{border:1px solid var(--line);border-radius:var(--radius-lg);overflow:hidden;background:var(--panel);}
.compare-head,.compare-row{display:grid;grid-template-columns:1.05fr 1.2fr 1.2fr;gap:0;}
.compare-head{background:rgba(37,99,235,.22);border-bottom:1px solid var(--line-strong);}
.compare-head span{padding:16px 20px;font-size:12.5px;font-weight:800;letter-spacing:.09em;text-transform:uppercase;color:#dbeafe;}
.compare-row{border-bottom:1px solid var(--line);}
.compare-row:last-child{border-bottom:0;}
.compare-row span{padding:16px 20px;font-size:14.3px;color:#b8c9dd;}
.compare-row .c-label{font-weight:700;color:#e8f2ff;background:rgba(3,7,18,.35);}
.compare-row .c-app{color:#d7f3ff;}
.compare-row .c-app::before{content:"\f058";font-family:"Font Awesome 6 Free";font-weight:900;color:var(--green);margin-right:8px;}
.compare-row .c-web::before{content:"\f057";font-family:"Font Awesome 6 Free";font-weight:900;color:var(--pink);margin-right:8px;}

/* ===== Testimonials ===== */
.quote-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.quote{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;display:flex;flex-direction:column;gap:14px;
}
.quote .stars{color:var(--gold);font-size:13px;letter-spacing:2px;}
.quote p{font-size:14.8px;color:#bfd0e2;font-style:italic;}
.quote-who{display:flex;align-items:center;gap:12px;margin-top:auto;}
.quote-who img{width:44px;height:44px;border-radius:50%;object-fit:cover;border:1px solid var(--line-strong);}
.quote-who b{display:block;font-size:14px;color:#fff;}
.quote-who small{font-size:12px;color:var(--muted);}

/* ===== Channel / category entry ===== */
.channel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.channel-card{
  display:block;border:1px solid var(--line);border-radius:var(--radius);padding:24px;
  background:linear-gradient(160deg,rgba(15,27,52,.78),rgba(3,7,18,.4));
  transition:border-color .22s ease,transform .22s ease,box-shadow .22s ease;
}
.channel-card:hover{border-color:var(--line-strong);transform:translateY(-4px);box-shadow:var(--shadow);}
.channel-card i.c-ico{font-size:20px;color:var(--cyan);margin-bottom:14px;display:block;}
.channel-card h3{font-size:16.5px;color:#fff;margin:0 0 9px;}
.channel-card p{font-size:14.3px;color:#a4b8cf;}
.channel-card span.more{display:inline-flex;align-items:center;gap:7px;font-size:13.5px;font-weight:700;color:var(--cyan);margin-top:14px;}

/* ===== Posts ===== */
.post-card{
  height:100%;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;transition:border-color .22s ease,transform .22s ease,box-shadow .22s ease;
}
.post-card:hover{border-color:var(--line-strong);transform:translateY(-4px);box-shadow:var(--shadow);}
.post-card-link{display:flex;flex-direction:column;height:100%;padding:22px;color:inherit;}
.post-tag{
  align-self:flex-start;font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
  color:var(--cyan);background:rgba(56,189,248,.1);border:1px solid var(--line-strong);
  border-radius:999px;padding:4px 11px;margin-bottom:14px;
}
.post-card h3{font-size:16.5px;color:#fff;margin:0 0 10px;}
.post-card p{font-size:14.3px;color:#a4b8cf;margin-bottom:16px;}
.post-more{margin-top:auto;font-size:13.5px;font-weight:700;color:var(--cyan);display:inline-flex;align-items:center;gap:7px;}
.empty-note{color:var(--muted);font-size:15px;border:1px dashed var(--line-strong);border-radius:var(--radius);padding:26px;text-align:center;}

/* ===== FAQ ===== */
.faq-wrap{display:grid;gap:14px;max-width:940px;}
.faq-item{border:1px solid var(--line);border-radius:var(--radius);background:var(--panel-2);overflow:hidden;}
.faq-item summary{
  cursor:pointer;list-style:none;padding:19px 22px;font-weight:700;font-size:15.5px;color:#eaf4ff;
  display:flex;justify-content:space-between;gap:16px;align-items:center;transition:background .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{background:rgba(56,189,248,.08);}
.faq-item summary::after{content:"\2b";font-weight:700;color:var(--cyan);font-size:18px;line-height:1;}
.faq-item[open] summary::after{content:"\2212";}
.faq-item .faq-body{padding:0 22px 20px;font-size:14.8px;color:#aec1d6;}

/* ===== CTA band ===== */
.cta-band{
  border:1px solid var(--line-strong);border-radius:var(--radius-lg);padding:42px 34px;
  background:
    radial-gradient(600px 320px at 88% 10%, rgba(56,189,248,.22), transparent 66%),
    linear-gradient(140deg,rgba(15,27,52,.92),rgba(3,7,18,.72));
  display:grid;grid-template-columns:1.4fr .9fr;gap:34px;align-items:center;
  box-shadow:var(--shadow-lg);
}
.cta-band h2{font-size:clamp(21px,2.6vw,30px);margin:0 0 12px;}
.cta-band p{color:#bccde0;font-size:15.2px;}
.cta-actions{display:flex;flex-direction:column;gap:12px;}

/* ===== Footer ===== */
.site-footer{background:linear-gradient(180deg,rgba(3,7,18,.6),rgba(3,7,18,.98));border-top:1px solid var(--line);padding:60px 0 28px;margin-top:20px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px;}
.footer-col h4{font-size:13px;letter-spacing:.13em;text-transform:uppercase;color:#dbeafe;margin:0 0 16px;}
.footer-col p{font-size:14.2px;color:#93a7bd;max-width:340px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{font-size:14.2px;color:#a4b8cf;}
.footer-col ul a:hover{color:var(--cyan);}
.footer-bottom{
  margin-top:40px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
}
.footer-bottom p{font-size:13px;color:#7f93a9;margin:0;}
.legal{display:flex;flex-wrap:wrap;align-items:center;gap:16px;}
.legal a{font-size:13px;color:#9fb3c8;}
.badge-18{
  font-size:11px;font-weight:800;letter-spacing:.08em;color:#03101f;
  background:linear-gradient(135deg,#fbbf24,#fde68a);border-radius:8px;padding:4px 9px;
}

/* ===== FAB ===== */
.fab-neon{
  position:fixed;left:16px;bottom:96px;z-index:50;
  display:flex;align-items:center;gap:10px;
  padding:14px 20px;border-radius:999px;
  background:rgba(7,7,13,.82);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid transparent;
  background-image:linear-gradient(rgba(7,7,13,.9),rgba(7,7,13,.9)),linear-gradient(120deg,#38bdf8,#2563eb);
  background-origin:border-box;background-clip:padding-box,border-box;
  color:#e6f7ff;font-size:13.5px;font-weight:700;
  box-shadow:0 0 20px rgba(6,182,212,.45);
  transition:transform .2s ease,box-shadow .25s ease,opacity .2s ease;
  opacity:.85;
}
.fab-neon i{font-size:16px;color:var(--cyan);}
.fab-neon:hover{opacity:1;transform:scale(1.04);box-shadow:0 0 30px rgba(56,189,248,.7);color:#fff;}
.fab-neon:active{transform:scale(.96);}
.fab-dot{
  position:absolute;top:-4px;right:-4px;width:12px;height:12px;border-radius:50%;
  background:var(--pink);box-shadow:0 0 0 3px rgba(7,7,13,.9);animation:fabPulse 1.6s infinite;
}
@keyframes fabPulse{0%,100%{opacity:1;transform:scale(1);}50%{opacity:.55;transform:scale(.82);}}

@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .split{grid-template-columns:1fr;gap:30px;}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .spec-grid{grid-template-columns:1fr 1fr;}
  .quote-grid{grid-template-columns:1fr 1fr;}
  .channel-grid{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
  .cta-band{grid-template-columns:1fr;gap:24px;}
  .cta-actions{flex-direction:row;flex-wrap:wrap;}
}
@media (max-width:900px){
  .main-nav{
    position:absolute;top:74px;left:0;right:0;flex-direction:column;align-items:stretch;
    background:rgba(3,7,18,.97);border-bottom:1px solid var(--line);
    padding:14px 20px 20px;gap:6px;display:none;
  }
  .main-nav.open{display:flex;}
  .main-nav a{padding:12px 14px;font-size:15px;}
  .nav-toggle{display:grid;place-items:center;}
  .nav-actions{margin-left:0;}
  .nav-actions .btn-x{padding:9px 14px;font-size:13px;}
}
@media (max-width:768px){
  .section{padding:56px 0;}
  .section-tight{padding:42px 0;}
  .hero{padding:118px 0 52px;}
  .flash-bar{border-radius:20px;padding:14px 16px;}
  .flash-link{margin-left:0;}
  .feature-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .spec-grid{grid-template-columns:1fr;}
  .quote-grid{grid-template-columns:1fr;}
  .channel-grid{grid-template-columns:1fr;}
  .compare-head{display:none;}
  .compare-row{grid-template-columns:1fr;}
  .compare-row span{padding:10px 18px;}
  .compare-row .c-label{padding-top:16px;font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:var(--cyan);}
  .compare-row span:last-child{padding-bottom:18px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .hero-points{grid-template-columns:1fr;}
}
@media (max-width:520px){
  .brand-text span{display:none;}
  .brand-mark{width:36px;height:36px;font-size:15px;border-radius:11px;}
  .brand-text strong{font-size:13.5px;}
  .header-inner{height:66px;gap:10px;}
  .main-nav{top:66px;}
  .hero{padding:104px 0 44px;}
  .hero-cta .btn-x{width:100%;}
  .product-meta{grid-template-columns:1fr;}
  .cta-band{padding:30px 22px;}
  .cta-actions .btn-x{width:100%;}
  .fab-neon{padding:12px 16px;font-size:12.5px;bottom:84px;left:12px;}
  .countdown{flex-wrap:wrap;}
}

/* roulang page: category3 */
:root{
  --bg:#030712;
  --bg-soft:#081229;
  --panel:rgba(11,20,40,.74);
  --panel-2:rgba(15,27,52,.55);
  --line:rgba(96,165,250,.16);
  --line-strong:rgba(56,189,248,.42);
  --blue:#2563eb;
  --cyan:#38bdf8;
  --holo:#60a5fa;
  --text:#f8fafc;
  --muted:#94a3b8;
  --gold:#fbbf24;
  --green:#22c55e;
  --pink:#f43f5e;
  --radius-lg:22px;
  --radius:16px;
  --radius-sm:10px;
  --shadow-lg:0 24px 60px rgba(2,8,24,.62);
  --shadow:0 12px 32px rgba(2,8,24,.45);
  --glow:0 0 26px rgba(56,189,248,.32);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:'Be Vietnam Pro',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
  font-size:16px;
  line-height:1.65;
  color:var(--text);
  background:
    radial-gradient(900px 620px at 10% -12%, rgba(37,99,235,.24), transparent 62%),
    radial-gradient(760px 520px at 94% 6%, rgba(56,189,248,.14), transparent 62%),
    var(--bg);
  background-attachment:fixed;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--holo);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:var(--cyan);}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{margin:0 0 14px;font-weight:800;line-height:1.24;letter-spacing:-.01em;color:#fff;}
p{margin:0 0 14px;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px;}
.container-x{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;}
.section{padding:76px 0;position:relative;}
.section-tight{padding:54px 0;}
.section-alt{
  background:linear-gradient(180deg,rgba(8,18,41,.72),rgba(3,7,18,.2));
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.section-head{max-width:800px;margin-bottom:38px;}
.section-head h2{font-size:clamp(22px,3vw,34px);margin-bottom:12px;}
.section-head p{color:var(--muted);margin:0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:11.5px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--cyan);background:rgba(56,189,248,.1);
  border:1px solid var(--line-strong);border-radius:999px;padding:6px 14px;margin-bottom:16px;
}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:700;padding:5px 12px;border-radius:999px;
  background:rgba(56,189,248,.1);border:1px solid var(--line);color:#bfe4ff;
}
.chip-green{background:rgba(34,197,94,.12);border-color:rgba(34,197,94,.35);color:#86efac;}
.chip-gold{background:rgba(251,191,36,.12);border-color:rgba(251,191,36,.35);color:#fcd34d;}
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:14px 26px;border-radius:999px;font-weight:700;font-size:15px;
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .22s ease,background .22s ease,color .22s ease;
  white-space:nowrap;
}
.btn-x i{font-size:14px;}
.btn-glow{background:linear-gradient(135deg,#2563eb,#38bdf8);color:#03101f;box-shadow:0 0 22px rgba(56,189,248,.4);}
.btn-glow:hover{color:#03101f;transform:translateY(-2px);box-shadow:0 0 34px rgba(56,189,248,.62);}
.btn-outline-x{background:rgba(56,189,248,.06);color:#e2f2ff;border-color:var(--line-strong);}
.btn-outline-x:hover{background:rgba(56,189,248,.16);color:#fff;transform:translateY(-2px);}
.btn-ghost-x{background:transparent;color:#cbd5e1;border-color:transparent;padding:10px 16px;font-weight:600;}
.btn-ghost-x:hover{color:#fff;background:rgba(56,189,248,.1);}
.btn-x:active{transform:translateY(0) scale(.98);}

/* ===== Header ===== */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1030;
  background:rgba(3,7,18,.84);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:18px;height:74px;}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0;}
.brand-mark{
  width:42px;height:42px;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(135deg,#2563eb,#38bdf8);color:#03101f;font-weight:800;font-size:17px;
  box-shadow:var(--glow);flex-shrink:0;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:15.5px;color:#fff;font-weight:800;letter-spacing:.01em;}
.brand-text span{font-size:10px;color:var(--muted);letter-spacing:.14em;text-transform:uppercase;font-weight:600;}
.main-nav{margin-left:auto;display:flex;align-items:center;gap:4px;}
.main-nav a{
  padding:9px 14px;border-radius:10px;font-size:14.5px;font-weight:600;color:#c3d3e6;
  border:1px solid transparent;transition:all .2s ease;
}
.main-nav a:hover{background:rgba(56,189,248,.1);color:#fff;}
.main-nav a.active{color:#fff;background:rgba(56,189,248,.14);border-color:var(--line-strong);}
.nav-actions{display:flex;align-items:center;gap:8px;margin-left:14px;}
.nav-actions .btn-x{padding:10px 18px;font-size:14px;}
.nav-toggle{
  display:none;margin-left:auto;background:rgba(56,189,248,.08);border:1px solid var(--line-strong);
  color:#dbeafe;width:44px;height:44px;border-radius:12px;cursor:pointer;font-size:17px;
}

/* ===== Hero profile ===== */
.hero-cat{position:relative;padding:140px 0 66px;overflow:hidden;}
.hero-cat-bg{position:absolute;inset:0;background:url('/assets/images/3907d3519de7648c.jpg') center/cover no-repeat;opacity:.3;}
.hero-cat-veil{position:absolute;inset:0;background:
  linear-gradient(180deg,rgba(3,7,18,.9) 0%,rgba(3,7,18,.76) 42%,rgba(3,7,18,.98) 100%),
  radial-gradient(720px 440px at 86% 16%,rgba(37,99,235,.36),transparent 68%);}
.hero-cat .container-x{position:relative;z-index:2;}
.profile-card{
  background:linear-gradient(155deg,rgba(11,20,40,.88),rgba(8,18,41,.6));
  border:1px solid var(--line-strong);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-lg);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  padding:34px;
}
.profile-head{display:flex;gap:24px;align-items:flex-start;}
.avatar-wrap{position:relative;flex-shrink:0;}
.avatar{
  width:104px;height:104px;border-radius:26px;display:grid;place-items:center;
  background:linear-gradient(135deg,#2563eb,#38bdf8);color:#03101f;
  font-size:42px;font-weight:800;box-shadow:0 0 30px rgba(56,189,248,.45);
  border:2px solid rgba(226,242,255,.35);
}
.avatar-badge{
  position:absolute;right:-8px;bottom:-8px;width:34px;height:34px;border-radius:50%;
  background:#030712;border:1px solid var(--line-strong);display:grid;place-items:center;
  color:var(--cyan);font-size:15px;
}
.profile-id{flex:1;min-width:0;}
.profile-id h1{
  font-size:clamp(23px,3.2vw,38px);line-height:1.24;margin-bottom:14px;
  background:linear-gradient(118deg,#ffffff 14%,#a5e4ff 60%,#60a5fa 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.profile-lead{color:#c9d8ea;font-size:16px;max-width:760px;margin:0;}
.profile-tags{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0 0;}
.profile-stats{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:1px;background:var(--line);border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;margin:28px 0 24px;
}
.stat-cell{background:rgba(4,10,24,.72);padding:18px 20px;}
.stat-cell .num{display:block;font-size:clamp(20px,2.4vw,27px);font-weight:800;color:#e8f6ff;letter-spacing:-.02em;}
.stat-cell .lbl{display:block;font-size:12.5px;color:var(--muted);margin-top:4px;}
.profile-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center;}
.follow-chip{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:#bfe4ff;
  background:rgba(56,189,248,.08);border:1px dashed var(--line-strong);border-radius:999px;padding:9px 16px;
}

/* ===== Method grid ===== */
.method-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.method-card{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
  position:relative;overflow:hidden;
}
.method-card::after{
  content:"";position:absolute;inset:0;border-radius:var(--radius);pointer-events:none;
  box-shadow:inset 0 0 0 1px transparent;transition:box-shadow .22s ease;
}
.method-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow);}
.method-card:hover::after{box-shadow:inset 0 0 26px rgba(56,189,248,.14);}
.method-card .m-icon{
  width:48px;height:48px;border-radius:14px;display:grid;place-items:center;
  background:rgba(56,189,248,.12);border:1px solid var(--line-strong);color:var(--cyan);
  font-size:20px;margin-bottom:16px;
}
.method-card h3{font-size:17.5px;margin-bottom:8px;}
.method-card p{color:var(--muted);font-size:14.5px;margin:0 0 16px;}
.method-meta{border-top:1px dashed var(--line);padding-top:14px;display:grid;gap:8px;}
.method-meta span{display:flex;justify-content:space-between;gap:12px;font-size:13.5px;color:#cbd5e1;}
.method-meta span b{color:#fff;font-weight:700;}
.method-card.wide{grid-column:span 3;display:flex;gap:24px;align-items:center;}
.method-card.wide .m-body{flex:1;}
.method-card.wide .m-icon{margin-bottom:0;}

/* ===== Flow ===== */
.flow-wrap{display:grid;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:48px;align-items:start;}
.flow-aside{position:sticky;top:110px;}
.flow-aside img{border-radius:var(--radius);border:1px solid var(--line);box-shadow:var(--shadow);margin-top:22px;}
.flow-steps{counter-reset:step;display:grid;gap:2px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;}
.flow-step{background:rgba(4,10,24,.78);padding:24px 26px 24px 78px;position:relative;}
.flow-step::before{
  counter-increment:step;content:counter(step,decimal-leading-zero);
  position:absolute;left:24px;top:24px;font-size:15px;font-weight:800;color:var(--cyan);
  font-family:'Be Vietnam Pro',monospace;letter-spacing:.04em;
}
.flow-step h3{font-size:17px;margin-bottom:6px;}
.flow-step p{color:var(--muted);font-size:14.5px;margin:0;}

/* ===== Limits ===== */
.limit-list{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:rgba(4,10,24,.6);}
.limit-row{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.2fr) auto;gap:16px;align-items:center;padding:18px 24px;border-bottom:1px solid var(--line);}
.limit-row:last-child{border-bottom:0;}
.limit-row:hover{background:rgba(56,189,248,.05);}
.limit-row .k{font-weight:700;color:#e8f6ff;font-size:15px;}
.limit-row .v{color:var(--muted);font-size:14.5px;}
.limit-row .n{font-weight:800;color:var(--cyan);font-size:15px;white-space:nowrap;text-align:right;}
.limit-note{margin-top:18px;font-size:13.5px;color:var(--muted);}

/* ===== Issues ===== */
.issue-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.issue-item{
  border-left:3px solid var(--cyan);background:var(--panel-2);
  border-radius:0 var(--radius) var(--radius) 0;padding:22px 24px;
}
.issue-item h3{font-size:16.5px;margin-bottom:8px;display:flex;align-items:center;gap:10px;}
.issue-item h3 i{color:var(--cyan);font-size:15px;}
.issue-item p{color:var(--muted);font-size:14.5px;margin:0;}

/* ===== Secure ===== */
.secure-wrap{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:48px;align-items:center;}
.secure-img{border-radius:var(--radius-lg);border:1px solid var(--line-strong);box-shadow:var(--shadow-lg);}
.secure-list{display:grid;gap:16px;}
.secure-list li{display:flex;gap:14px;align-items:flex-start;}
.secure-list i{color:var(--green);font-size:17px;margin-top:4px;flex-shrink:0;}
.secure-list strong{display:block;color:#fff;font-size:15.5px;margin-bottom:3px;}
.secure-list span{color:var(--muted);font-size:14.5px;}

/* ===== FAQ ===== */
.faq-list{display:grid;gap:12px;max-width:920px;}
.faq-item{border:1px solid var(--line);border-radius:var(--radius);background:var(--panel-2);overflow:hidden;transition:border-color .2s ease;}
.faq-item[open]{border-color:var(--line-strong);background:rgba(15,27,52,.72);}
.faq-item summary{
  cursor:pointer;list-style:none;padding:20px 56px 20px 24px;position:relative;
  font-weight:700;font-size:15.5px;color:#eaf4ff;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;right:22px;top:50%;transform:translateY(-50%);
  color:var(--cyan);font-size:13px;transition:transform .25s ease;
}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(180deg);}
.faq-item summary:hover{color:#fff;background:rgba(56,189,248,.06);}
.faq-answer{padding:0 24px 22px;color:var(--muted);font-size:14.5px;line-height:1.7;}

/* ===== Channels ===== */
.channel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.channel-card{
  display:block;padding:26px 24px;border-radius:var(--radius);
  border:1px solid var(--line);background:linear-gradient(160deg,rgba(11,20,40,.82),rgba(8,18,41,.5));
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;color:inherit;
}
.channel-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow);color:inherit;}
.channel-card .c-ico{
  width:44px;height:44px;border-radius:13px;display:grid;place-items:center;
  background:rgba(56,189,248,.12);border:1px solid var(--line-strong);color:var(--cyan);
  font-size:18px;margin-bottom:14px;
}
.channel-card h3{font-size:17px;margin-bottom:8px;}
.channel-card p{color:var(--muted);font-size:14.5px;margin:0 0 14px;}
.channel-card .c-more{font-size:13.5px;font-weight:700;color:var(--cyan);display:inline-flex;align-items:center;gap:7px;}

/* ===== News ===== */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.news-item{
  border:1px solid var(--line);border-radius:var(--radius);background:var(--panel-2);
  transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;overflow:hidden;
}
.news-item:hover{border-color:var(--line-strong);transform:translateY(-3px);box-shadow:var(--shadow);}
.news-link{display:flex;flex-direction:column;height:100%;padding:22px 22px 20px;color:inherit;}
.news-link:hover{color:inherit;}
.news-cat{font-size:11px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--cyan);margin-bottom:10px;}
.news-link h3{font-size:16px;line-height:1.4;margin-bottom:10px;}
.news-link p{color:var(--muted);font-size:14px;margin:0 0 16px;flex:1;}
.news-time{font-size:12.5px;color:#7c8ba1;display:inline-flex;align-items:center;gap:7px;}
.news-empty{color:var(--muted);font-size:14.5px;border:1px dashed var(--line-strong);border-radius:var(--radius);padding:26px;text-align:center;margin:0;}
.news-more{margin-top:26px;}

/* ===== CTA band ===== */
.cta-band{
  border:1px solid var(--line-strong);border-radius:var(--radius-lg);
  background:linear-gradient(120deg,rgba(37,99,235,.24),rgba(8,18,41,.7) 55%,rgba(56,189,248,.16));
  padding:44px 40px;display:flex;flex-wrap:wrap;gap:24px;align-items:center;justify-content:space-between;
  box-shadow:var(--shadow-lg);
}
.cta-band h2{font-size:clamp(20px,2.6vw,28px);margin-bottom:8px;}
.cta-band p{color:#c9d8ea;margin:0;max-width:620px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ===== FAB ===== */
.fab{
  position:fixed;left:16px;bottom:96px;z-index:50;
  display:inline-flex;align-items:center;gap:10px;
  min-height:56px;padding:12px 20px;border-radius:999px;
  background:
    linear-gradient(rgba(7,10,20,.88),rgba(7,10,20,.88)) padding-box,
    linear-gradient(135deg,#38bdf8,#2563eb) border-box;
  border:2px solid transparent;
  color:#e6f5ff;font-weight:700;font-size:13.5px;
  box-shadow:0 0 20px rgba(6,182,212,.45);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  opacity:.8;transition:opacity .25s ease,transform .2s ease,box-shadow .25s ease,color .2s ease;
}
.fab:hover{opacity:1;color:#fff;transform:translateY(-2px);box-shadow:0 0 32px rgba(56,189,248,.7);}
.fab:active{transform:translateY(0) scale(.96);}
.fab i{font-size:16px;color:var(--cyan);animation:fabFlicker 3.4s infinite;}
.fab-dot{
  position:absolute;top:4px;right:10px;width:9px;height:9px;border-radius:50%;
  background:var(--pink);box-shadow:0 0 10px var(--pink);animation:pulseDot 1.6s infinite;
}
@keyframes fabFlicker{0%,92%,100%{opacity:1;}94%{opacity:.35;}96%{opacity:1;}97%{opacity:.5;}}
@keyframes pulseDot{0%,100%{transform:scale(1);opacity:1;}50%{transform:scale(1.35);opacity:.6;}}

/* ===== Footer ===== */
.site-footer{
  border-top:1px solid var(--line);background:linear-gradient(180deg,rgba(8,18,41,.6),rgba(3,7,18,.98));
  padding:60px 0 26px;margin-top:0;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;}
.footer-col h4{font-size:14.5px;letter-spacing:.02em;margin-bottom:16px;color:#e8f6ff;}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px;}
.footer-col p{color:var(--muted);font-size:14px;margin:0;}
.footer-col ul{display:grid;gap:10px;}
.footer-col ul a{color:#a9bdd4;font-size:14px;}
.footer-col ul a:hover{color:var(--cyan);}
.footer-bottom{
  margin-top:40px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
}
.footer-bottom p{color:#7c8ba1;font-size:13px;margin:0;}
.legal{display:flex;flex-wrap:wrap;gap:14px;align-items:center;}
.legal a{font-size:13px;color:#a9bdd4;}
.badge-18{
  display:inline-grid;place-items:center;min-width:34px;height:24px;padding:0 8px;
  border-radius:999px;background:rgba(244,63,94,.16);border:1px solid rgba(244,63,94,.45);
  color:#fda4af;font-size:11.5px;font-weight:800;letter-spacing:.04em;
}

/* ===== Responsive ===== */
@media (max-width:1100px){
  .main-nav a{padding:8px 10px;font-size:13.5px;}
  .method-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .method-card.wide{grid-column:span 2;}
  .channel-grid,.news-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:900px){
  .flow-wrap,.secure-wrap{grid-template-columns:1fr;gap:30px;}
  .flow-aside{position:static;}
  .profile-head{flex-direction:column;gap:18px;}
  .profile-stats{grid-template-columns:repeat(2,minmax(0,1fr));}
  .issue-grid{grid-template-columns:1fr;}
  .limit-row{grid-template-columns:1fr;gap:6px;}
  .limit-row .n{text-align:left;}
}
@media (max-width:820px){
  .nav-toggle{display:grid;place-items:center;}
  .main-nav{
    position:absolute;top:74px;left:0;right:0;flex-direction:column;align-items:stretch;
    background:rgba(3,7,18,.97);border-bottom:1px solid var(--line);
    padding:14px 20px 20px;gap:6px;display:none;
  }
  .main-nav.open{display:flex;}
  .main-nav a{padding:12px 14px;font-size:15px;}
  .nav-actions{margin-left:0;}
  .brand-text span{display:none;}
  .header-inner{height:66px;gap:10px;}
  .brand-mark{width:36px;height:36px;font-size:15px;border-radius:11px;}
  .brand-text strong{font-size:13.5px;}
  .nav-actions .btn-x{padding:9px 12px;font-size:12.5px;}
  .main-nav{top:66px;}
}
@media (max-width:640px){
  .section{padding:56px 0;}
  .hero-cat{padding:112px 0 48px;}
  .profile-card{padding:24px 20px;}
  .avatar{width:82px;height:82px;font-size:32px;border-radius:20px;}
  .method-grid,.channel-grid,.news-grid{grid-template-columns:1fr;}
  .method-card.wide{grid-column:span 1;flex-direction:column;align-items:flex-start;}
  .cta-band{padding:30px 22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn-x{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .fab{bottom:88px;padding:12px 16px;}
  .fab span.fab-text{display:none;}
  .fab{min-width:56px;justify-content:center;}
  .flow-step{padding:22px 20px 22px 62px;}
  .flow-step::before{left:20px;}
}
@media (max-width:400px){
  .profile-stats{grid-template-columns:1fr;}
  .btn-x{width:100%;}
  .profile-actions .btn-x{width:100%;}
}

/* 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}