:root{
  --black:#080808;
  --panel:#151515;
  --red:#d90f1a;
  --red-dark:#9e020a;
  --gold:#ffd35a;
  --gold-deep:#c89324;
  --blue:#0754dc;
  --teal:#0ea68f;
  --ink:#161616;
  --muted:#5f6573;
  --line:#e3e5eb;
  --soft:#f6f7fa;
  --shadow:0 14px 34px rgba(10,12,18,.16);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body.bet7700-page{margin:0;background:#f2f3f5;color:var(--ink);font-family:"Noto Sans Bengali","Hind Siliguri","SolaimanLipi","Segoe UI",Arial,sans-serif;line-height:1.65}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.shell{width:min(100% - 32px,1180px);margin:0 auto}
.topline{background:#eeeeee;color:#333;font-size:14px;border-bottom:1px solid #d9d9d9}
.topline .shell{display:flex;justify-content:space-between;gap:14px;min-height:34px;align-items:center;flex-wrap:wrap}
.topline span:first-child{font-weight:900;color:#a4070e}
.site-header{background:var(--black);box-shadow:0 8px 24px rgba(0,0,0,.28);position:sticky;top:0;z-index:30}
.head-main{min-height:82px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:13px}
.brand img{width:156px;height:56px;object-fit:contain}
.brand b{display:block;color:var(--gold);font-size:30px;line-height:1}
.brand small{display:block;color:#f2f2f2;font-weight:800}
.head-actions{display:flex;gap:12px;flex-wrap:wrap;justify-content:flex-end}
.blue-btn,.red-btn,.light-btn{display:inline-flex;align-items:center;justify-content:center;min-height:42px;border-radius:8px;padding:10px 22px;font-weight:1000;letter-spacing:0}
.blue-btn{background:linear-gradient(#1b73f2,#053fb7);color:#fff;box-shadow:0 5px 0 #03256e}
.blue-outline{background:#fff;color:#0754dc;box-shadow:none;border:2px solid #185bcb}
.red-btn{background:linear-gradient(#f52833,#b5050e);color:#fff;box-shadow:0 5px 0 #730007}
.light-btn{background:#fff;color:#9e020a;border:2px solid #f0c751}
.main-nav{background:linear-gradient(#e01b25,#b0030d);border-top:1px solid rgba(255,255,255,.22);border-bottom:3px solid #7f0007}
.main-nav .shell{display:flex;justify-content:center;overflow:auto}
.main-nav a{color:#fff;font-weight:1000;padding:13px 17px;white-space:nowrap;border-left:1px solid rgba(255,255,255,.2)}
.main-nav a:hover{background:#790007}
.hero{background:#fff;border-bottom:1px solid var(--line)}
.hero-grid{display:grid;grid-template-columns:.92fr 1.08fr;gap:24px;align-items:center;padding:34px 0}
.eyebrow{margin:0 0 10px;color:#9e020a;font-weight:1000}
.hero-copy h1{margin:0 0 14px;font-size:clamp(34px,5.7vw,66px);line-height:1.02;color:#101010;font-weight:1000}
.hero-copy>p:not(.eyebrow){font-size:19px;color:#333;margin:0 0 22px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:22px}
.proof-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.proof-grid div{background:#fff;border:1px solid var(--line);border-radius:8px;padding:12px;box-shadow:0 8px 20px rgba(13,25,43,.08)}
.proof-grid b{display:block;font-size:28px;color:#d70f1a}
.proof-grid span{color:var(--muted);font-weight:800}
.hero-media{margin:0;border:3px solid #111;border-radius:8px;overflow:hidden;box-shadow:var(--shadow);background:#080808}
.hero-media img{width:100%;aspect-ratio:16/7;height:auto;object-fit:cover}
.link-band{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;background:#fff;border:1px solid var(--line);border-radius:8px;padding:14px;margin-top:22px;box-shadow:0 8px 22px rgba(10,12,18,.08)}
.link-band a{background:#f7f8fb;border:1px solid #dfe3ea;border-radius:6px;padding:8px 12px;color:#113b8c;font-weight:900}
.intro-panel,.visual-strip,.payment-panel,.safety-panel,.faq-panel{background:#fff;border:1px solid var(--line);border-radius:8px;box-shadow:0 8px 22px rgba(10,12,18,.08);margin-top:22px;padding:24px}
.intro-panel h2,.visual-strip h2,.payment-panel h2,.safety-panel h2,.faq-panel h2{margin:0 0 12px;color:#d40f1a;font-size:30px;text-align:center}
.intro-panel p{max-width:880px;margin:0 auto 20px;text-align:center;color:#374050}
.mini-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.mini-stats div{border:1px solid var(--line);border-radius:8px;padding:14px;background:#fafbfe;text-align:center}
.mini-stats strong{display:block;color:#0754dc;font-size:18px}
.mini-stats span{color:#5f6573}
.visual-strip{display:grid;grid-template-columns:1.08fr .92fr;gap:24px;align-items:center}
.visual-strip img{border-radius:8px;border:1px solid #161616;box-shadow:var(--shadow)}
.visual-strip h2{text-align:left;color:#101010}
.section-title{background:linear-gradient(90deg,var(--black),#2a0205);color:var(--gold);border-bottom:4px solid var(--red);border-radius:8px;padding:12px 18px;font-size:28px;text-align:center;margin:28px 0 18px}
.category-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.category-card{background:#fff;border:1px solid var(--line);border-radius:8px;overflow:hidden;box-shadow:0 10px 24px rgba(10,12,18,.08)}
.category-card img{height:130px;width:100%;object-fit:cover}
.category-card div{padding:14px}
.category-card h3{margin:0 0 6px;color:#d40f1a;font-size:20px}
.category-card p{margin:0 0 12px;color:#4a5260;font-size:15px}
.category-card a,.article-card a:last-child{display:inline-flex;background:#0754dc;color:#fff;border-radius:6px;padding:8px 12px;font-weight:900}
table{width:100%;border-collapse:collapse;background:#fff;border-radius:8px;overflow:hidden}
th,td{border:1px solid var(--line);padding:12px;text-align:left;vertical-align:top}
th{background:#101010;color:var(--gold)}
.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.article-card{background:#fff;border:1px solid var(--line);border-radius:8px;overflow:hidden;box-shadow:0 10px 24px rgba(10,12,18,.08)}
.article-card img{height:150px;width:100%;object-fit:cover}
.article-card div{padding:14px}
.article-card span,.meta span{color:#6b7280;font-size:13px;font-weight:800}
.article-card h3{margin:5px 0 8px;color:#111;font-size:20px;line-height:1.25}
.article-card p{color:#4a5260;margin:0 0 12px}
.safety-panel{display:grid;grid-template-columns:.95fr 1.05fr;gap:24px;align-items:center}
.safety-panel img{border-radius:8px;border:1px solid #111;box-shadow:var(--shadow)}
.safety-panel h2{text-align:left;color:#101010}
.safety-panel li,.article-body li,.content-panel li{margin:8px 0}
.faq-panel details,.article-body details{border:1px solid var(--line);border-radius:8px;background:#fff;margin:10px 0;padding:12px}
summary{font-weight:1000;color:#0754dc;cursor:pointer}
.subhero,.article-hero{background:linear-gradient(180deg,#fff,#f4f5f8);border-bottom:1px solid var(--line)}
.subhero-grid{display:grid;grid-template-columns:1fr 420px;gap:26px;align-items:center;padding:42px 0}
.subhero h1,.article-hero h1{margin:0 0 12px;color:#111;font-size:clamp(32px,5vw,54px);line-height:1.08}
.subhero p,.article-hero p{font-size:18px;color:#374050;margin:0 0 20px}
.subhero img{width:100%;height:260px;object-fit:cover;border-radius:8px;border:2px solid #111;box-shadow:var(--shadow)}
.content-layout,.article-layout{display:grid;grid-template-columns:1fr 300px;gap:24px;margin-top:24px;margin-bottom:24px;align-items:start}
.content-panel,.article-body,.side-panel{background:#fff;border:1px solid var(--line);border-radius:8px;box-shadow:0 8px 22px rgba(10,12,18,.08);padding:22px}
.content-panel h2,.article-body h2,.side-panel h2{color:#d40f1a;margin:18px 0 10px}
.content-panel h2:first-child,.article-body h2:first-child,.side-panel h2:first-child{margin-top:0}
.quick-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.quick-grid a,.side-panel a{display:block;background:#f8f9fc;border:1px solid var(--line);border-radius:8px;padding:11px 12px}
.quick-grid b{display:block;color:#0754dc;margin-bottom:4px}
.quick-grid span{color:#5f6573;font-size:14px}
.side-panel{display:grid;gap:10px}
.side-panel a{font-weight:900;color:#113b8c}
.sticky{position:sticky;top:132px}
.article-hero .shell{padding:42px 0}
.breadcrumb a{color:#0754dc;font-weight:900}
.article-body>img{width:100%;max-height:360px;object-fit:cover;border-radius:8px;border:1px solid #111;margin-bottom:16px}
.meta{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:10px}
.lede{font-size:19px;color:#283244;background:#fff6d9;border-left:5px solid var(--gold-deep);padding:16px;border-radius:8px}
.note{background:#fff5d6;border:1px solid #efd37a;border-radius:8px;padding:16px;font-weight:800;color:#6a4a00;margin:18px 0}
.site-footer{background:#101010;color:#eeeeee;margin-top:28px;border-top:4px solid var(--red)}
.footer-grid{display:grid;grid-template-columns:1.1fr .75fr .8fr 1.25fr .95fr;gap:20px;padding:30px 0}
.site-footer h3{color:var(--gold);margin:0 0 10px}
.site-footer a{display:block;color:#dbe8ff;margin:6px 0}
.footer-logo{width:150px;height:58px;object-fit:contain;margin-bottom:10px}
.copyright{background:#790007;color:#fff;text-align:center;padding:10px;font-weight:900}
@media(max-width:1050px){
  .hero-grid,.visual-strip,.safety-panel,.subhero-grid,.content-layout,.article-layout{grid-template-columns:1fr}
  .category-grid{grid-template-columns:repeat(3,1fr)}
  .article-grid,.mini-stats{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
  .sticky{position:static}
}
@media(max-width:680px){
  .shell{width:min(100% - 22px,1180px)}
  .topline .shell{justify-content:center}
  .head-main{align-items:flex-start;flex-direction:column;padding:12px 0}
  .brand img{width:132px;height:48px}
  .brand b{font-size:25px}
  .head-actions{width:100%;display:grid;grid-template-columns:1fr 1fr}
  .main-nav .shell{display:grid;grid-template-columns:repeat(3,1fr);overflow:visible;width:100%}
  .main-nav a{text-align:center;padding:10px 6px;font-size:14px}
  .hero-grid{padding:24px 0}
  .hero-copy h1{font-size:38px}
  .hero-media img{height:auto}
  .proof-grid,.mini-stats,.category-grid,.article-grid,.quick-grid,.footer-grid{grid-template-columns:1fr}
  .category-card img,.article-card img{height:180px}
  .intro-panel,.visual-strip,.payment-panel,.safety-panel,.faq-panel,.content-panel,.article-body,.side-panel{padding:16px}
  .subhero img{height:220px}
  .blue-btn,.red-btn,.light-btn{padding:9px 12px}
}