/* ============================================================
   Big7 — Dark casino theme (format Sun.win). Demo faithful.
   Màu/fact là placeholder; ảnh là ô placeholder ghi size.
   ============================================================ */
:root{
  --bg:#0b0a08; --bg-2:#13110c; --panel:#1a1710; --panel-2:#221d13;
  --line:#332b1c; --gold:#f5c542; --gold-2:#caa233; --red:#d93b3b;
  --text:#ece8df; --muted:#9c9484; --on-gold:#1a1409;
  --elev:0 12px 30px rgba(0,0,0,.45); --elev-hover:0 18px 46px rgba(0,0,0,.58);
}
/* ===== 7 GAM MÀU BRAND (màu THẬT trích từ site; iwin tạm chưa lấy được) ===== */
[data-palette="sunwin"]  { --bg:#0e0b06; --bg-2:#16110a; --panel:#1e1810; --line:#3a2f1d; --gold:#ffd388; --gold-2:#cfb689; --red:#d93b3b; }
[data-palette="go88"]    { --bg:#100c05; --bg-2:#181208; --panel:#20180c; --line:#3d2f16; --gold:#f7a600; --gold-2:#f6d21e; --red:#ff6a00; }
[data-palette="789club"] { --bg:#060516; --bg-2:#0a0820; --panel:#11102a; --line:#221f3d; --gold:#ffe0b6; --gold-2:#cfb689; --red:#a197ff; }
[data-palette="hitclub"] { --bg:#0c0807; --bg-2:#160d0a; --panel:#1f140f; --line:#3a2418; --gold:#ffd000; --gold-2:#fbbe0b; --red:#ee3100; }
[data-palette="rikvip"]  { --bg:#100808; --bg-2:#1a0d0d; --panel:#241212; --line:#3d2020; --gold:#fbbf24; --gold-2:#d99a1a; --red:#e11d2a; }
[data-palette="b52club"] { --bg:#07140c; --bg-2:#0c1c11; --panel:#112619; --line:#1f3d2a; --gold:#e9d18a; --gold-2:#bca64a; --red:#2ea043; }
[data-palette="iwin"]    { --bg:#070b14; --bg-2:#0c1322; --panel:#111a2e; --line:#1e2c48; --gold:#f5b300; --gold-2:#c79100; --red:#2563eb; }

/* Panel chuyển màu (chỉ để demo — không lên production) */
.b7-switch{position:fixed;top:0;left:0;right:0;z-index:9999;background:#111;border-bottom:2px solid var(--gold);
  display:flex;gap:8px;align-items:center;flex-wrap:wrap;padding:8px 14px;font-size:13px}
.b7-switch .lbl{color:#9CA3AF;font-weight:600;text-transform:uppercase;letter-spacing:1px;font-size:11px;margin-right:4px}
.b7-switch button,.b7-switch a.b7-vbtn{background:#1F2937;border:1px solid #374151;color:#fff;border-radius:6px;padding:6px 12px;cursor:pointer;font-weight:600;text-decoration:none;display:inline-block}
.b7-switch button.active,.b7-switch a.b7-vbtn.active{background:var(--gold);border-color:var(--gold);color:#1a1409}
.b7-switch .div{border-left:1px solid #444;height:22px;margin:0 4px}
body.has-switch{padding-top:46px}

/* Header menu — ẩn, chỉ hiện khi kéo xuống */
.b7-header{position:fixed;top:46px;left:0;right:0;z-index:8000;
  background:rgba(10,8,6,.92);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);box-shadow:0 6px 24px rgba(0,0,0,.5);
  transform:translateY(-130%);transition:transform .32s cubic-bezier(.16,1,.3,1)}
.b7-header.show{transform:translateY(0)}
.b7-header-top{max-width:1200px;margin:0 auto;padding:12px 24px;display:flex;align-items:center;justify-content:center;gap:36px}
.b7-header-logo{height:42px;width:auto}
.b7-header-auth{display:flex;gap:12px}
.b7-hnav{display:flex;gap:32px;justify-content:center;flex-wrap:wrap;padding:12px 24px;border-top:1px solid var(--line)}
/* hover: gạch chân trượt + đổi màu */
.b7-hnav a{position:relative;color:var(--text);font-weight:600;font-size:14px;padding:4px 2px;transition:color .18s ease}
.b7-hnav a::after{content:"";position:absolute;left:0;right:0;bottom:-3px;height:2px;border-radius:2px;background:linear-gradient(90deg,var(--gold),var(--gold-2));transform:scaleX(0);transform-origin:left;transition:transform .22s cubic-bezier(.16,1,.3,1)}
.b7-hnav a:hover{color:var(--gold)}
.b7-hnav a:hover::after{transform:scaleX(1)}
/* Hover style: pill / glow (underline = mặc định) */
[data-hover="pill"] .b7-hnav a{padding:6px 14px;border-radius:999px}
[data-hover="pill"] .b7-hnav a::after{display:none}
[data-hover="pill"] .b7-hnav a:hover{background:rgba(255,255,255,.1);color:var(--gold)}
[data-hover="glow"] .b7-hnav a::after{display:none}
[data-hover="glow"] .b7-hnav a:hover{color:var(--gold);text-shadow:0 0 14px var(--gold),0 0 4px var(--gold)}
/* Dropdown menu */
.b7-darr{font-style:normal;font-size:11px;margin-left:4px;opacity:.85}
[data-dropdown="off"] .b7-darr{display:none}
.b7-hitem{position:relative;display:inline-flex;align-items:center}
.b7-dropdown{display:none;position:absolute;top:100%;left:0;min-width:190px;background:var(--panel);border:1px solid var(--line);border-radius:12px;box-shadow:var(--elev);padding:6px;margin-top:8px;z-index:20}
.b7-dropdown a{display:block;padding:9px 12px;border-radius:8px;color:var(--text);font-size:14px;font-weight:500}
.b7-dropdown a::after{display:none}
.b7-dropdown a:hover{background:rgba(255,255,255,.07);color:var(--gold)}
[data-dropdown="on"] .b7-hitem:hover>.b7-dropdown{display:block}
@media(max-width:700px){.b7-hnav{display:none}}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Roboto',system-ui,-apple-system,sans-serif;font-size:16px;line-height:1.7;color:var(--text);
  background:
    radial-gradient(1000px 480px at 50% -160px, var(--panel) 0%, transparent 58%),
    linear-gradient(180deg, var(--bg-2), var(--bg));
  background-attachment:fixed}
a{color:var(--gold);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%;display:block}
.wrap{max-width:1200px;margin:0 auto;padding-inline:16px}
.read{max-width:900px;margin:0 auto;padding-inline:16px}

/* placeholder ảnh */
.b7-img{background:repeating-linear-gradient(45deg,#1c1810,#1c1810 10px,#191510 10px,#191510 20px);
  border:1px dashed #443a26;border-radius:10px;display:flex;align-items:center;justify-content:center;
  color:#6f6850;font-size:13px;text-align:center;min-height:120px;padding:10px}

/* ---------- LAYOUT 3-6-3 (rail trái/phải STICKY, giữa cuộn) ---------- */
.b7-layout{max-width:1340px;margin:0 auto;padding:18px 16px;display:grid;grid-template-columns:3fr 6fr 3fr;gap:18px;align-items:start}
.b7-rail{position:sticky;top:58px}
.b7-main{min-width:0}
.b7-card{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:16px}
.b7-find h4{color:var(--gold);font-size:13px;letter-spacing:1px;text-transform:uppercase;text-align:center;margin-bottom:4px}
.b7-find .ok{color:#2ecc71;text-align:center;font-size:12px;margin-bottom:12px}
.b7-step{display:flex;gap:10px;align-items:center;padding:8px 0;border-top:1px solid var(--line);font-size:14px}
.b7-step b{color:var(--gold)}
.b7-find .qr{margin-top:12px;text-align:center}
.b7-find .qr .b7-img{width:96px;height:96px;margin:0 auto;min-height:0}

.b7-login{text-align:center}
.b7-logo{font-size:34px;font-weight:800;color:var(--gold);letter-spacing:1px;margin-bottom:4px}
.b7-logo span{color:var(--red)}
.b7-login .tag{color:var(--muted);font-size:14px;margin-bottom:16px}
.b7-form{display:flex;flex-direction:column;gap:10px;max-width:360px;margin:0 auto}
.b7-form input{background:var(--bg-2);border:1px solid var(--line);border-radius:8px;padding:12px 14px;color:var(--text);font-size:15px}
.b7-form input::placeholder{color:#6f6850}
.b7-btn{display:inline-block;background:linear-gradient(180deg,var(--gold),var(--gold-2));color:var(--on-gold);
  font-weight:800;padding:13px 22px;border-radius:8px;border:0;cursor:pointer;font-size:15px;text-decoration:none}
.b7-btn:hover{filter:brightness(1.06);text-decoration:none}
.b7-btn-ghost{background:transparent;border:1px solid var(--gold);color:var(--gold)}
.b7-or{color:var(--muted);font-size:13px;margin:6px 0}
.b7-note{color:var(--muted);font-size:12px;margin-top:14px;line-height:1.5}
.b7-note b{color:var(--red)}
.b7-social{display:flex;gap:12px;justify-content:center;margin-top:12px;font-size:20px}

.b7-warn h4{color:var(--red);font-size:13px;letter-spacing:1px;text-transform:uppercase;text-align:center;margin-bottom:10px}
.b7-warn .b7-img{height:220px}

/* ---------- BRAND STRIP ---------- */
.b7-brands{display:flex;gap:24px;justify-content:center;align-items:center;flex-wrap:wrap;
  padding:16px;border-block:1px solid var(--line);background:var(--bg-2)}
.b7-brands .lbl{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:1px}
.b7-brand{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:8px 16px;color:var(--text);font-weight:700}

/* ---------- SECTION + HEADING ---------- */
.b7-section{padding:30px 0}
.b7-h2{text-align:center;color:var(--gold);font-size:26px;font-weight:800;text-transform:uppercase;letter-spacing:1px;margin-bottom:26px}
.b7-pillar p{margin-bottom:14px}
.b7-pillar .sapo{font-size:18px}
.b7-pillar ul{margin:10px 0 14px 22px}
.b7-pillar li{margin-bottom:8px}
.b7-banner .b7-img{height:240px;margin-top:8px}

/* ---------- FEATURE GRID ---------- */
.b7-features{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:16px}
.b7-feat{display:flex;gap:12px;align-items:flex-start;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:16px}
.b7-feat .ic{font-size:26px;flex:none}
.b7-feat h3{font-size:16px;color:var(--gold);margin-bottom:4px}
.b7-feat p{font-size:14px;color:var(--muted);margin:0}

/* ---------- ADVANTAGES 2 CỘT ---------- */
.b7-adv{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:24px}
.b7-adv .col{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:20px}
.b7-adv h3{color:var(--gold);font-size:18px;margin-bottom:12px}
.b7-adv ul{list-style:none}
.b7-adv li{padding:6px 0;border-top:1px solid var(--line);font-size:14px}

/* ---------- GAME SHOWCASE (ảnh + jackpot) ---------- */
.b7-games{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:16px}
.b7-game{background:var(--panel);border:1px solid var(--line);border-radius:12px;overflow:hidden}
.b7-game .b7-img{height:150px;border:0;border-radius:0;border-bottom:1px solid var(--line)}
.b7-game .info{padding:10px 12px;display:flex;justify-content:space-between;align-items:center}
.b7-game .nm{font-weight:700;font-size:14px}
.b7-game .jp{color:var(--gold);font-weight:800;font-size:13px;font-variant-numeric:tabular-nums}

/* ---------- GAME TYPES (cột) ---------- */
.b7-types{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:16px}
.b7-type{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:18px}
.b7-type h3{color:var(--gold);font-size:16px;margin-bottom:8px}
.b7-type p{font-size:14px;color:var(--muted);margin:0}

/* ---------- SECURITY CARDS ---------- */
.b7-secs{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:18px}
.b7-sec{background:var(--panel);border:1px solid var(--line);border-radius:12px;overflow:hidden}
.b7-sec .b7-img{height:170px;border:0;border-radius:0}
.b7-sec .bd{padding:16px}
.b7-sec h3{color:var(--gold);font-size:15px;text-transform:uppercase;letter-spacing:.5px;margin-bottom:8px}
.b7-sec p{font-size:14px;color:var(--muted);margin:0}

/* ---------- CSKH ---------- */
.b7-cskh{display:grid;grid-template-columns:1.3fr 1fr;gap:24px;align-items:center}
.b7-cskh .b7-img{height:200px}

/* ---------- FOOTER ---------- */
.b7-footer{background:var(--bg-2);border-top:1px solid var(--line);padding:40px 16px 0;margin-top:40px}
.b7-footer-grid{max-width:1100px;margin:0 auto;display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:32px}
.b7-footer h4{color:var(--gold);font-size:14px;margin-bottom:12px;text-transform:uppercase;letter-spacing:.5px}
.b7-footer ul{list-style:none}
.b7-footer li{margin-bottom:8px;font-size:14px}
.b7-footer a{color:var(--muted)}
.b7-footer a:hover{color:var(--gold)}
.b7-legal{max-width:1100px;margin:28px auto 0;border-top:1px solid var(--line);padding:18px 0;
  font-size:12px;color:#7a7464;line-height:1.6;text-align:center}

/* ---------- COMPONENT PAGES (dark) ---------- */
.b7-bc{background:var(--bg-2);border-bottom:1px solid var(--line);font-size:13px;color:var(--muted)}
.b7-bc .wrap{padding-block:12px}
.b7-bc a{color:var(--muted)} .b7-bc a:hover{color:var(--gold)} .b7-bc .sep{margin:0 8px;color:var(--line)}
.b7-phero{background:linear-gradient(135deg,#1a1206,#0b0a08);border-bottom:1px solid var(--line)}
.b7-phero .read{padding:40px 16px}
.b7-phero h1{font-size:30px;color:var(--gold);line-height:1.3;margin-bottom:8px}
.b7-phero p{color:var(--muted)}
.b7-content{max-width:900px;margin:0 auto;padding:40px 16px}
.b7-content .sapo{font-size:18px;margin-bottom:16px}
.b7-content h2{color:var(--gold);font-size:24px;border-left:4px solid var(--red);padding-left:14px;margin:28px 0 14px}
.b7-content h3{color:var(--gold-2);font-size:18px;margin:18px 0 8px}
.b7-content p{margin-bottom:14px}
.b7-content ul{margin:10px 0 14px 22px}
.b7-cta-block{background:linear-gradient(135deg,#2a1d08,#1a1710);border:1px solid var(--line);border-radius:12px;
  padding:24px;text-align:center;margin:24px 0}
.b7-cta-block h3{color:var(--gold);margin-bottom:8px}
.b7-cta-block p{color:var(--muted);margin-bottom:14px}
.b7-postlist{max-width:1180px;margin:0 auto;padding:36px 16px;display:grid;gap:16px}
.b7-post{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:0;overflow:hidden}
.b7-post:hover{border-color:var(--gold-2)}
.b7-post .cat{color:var(--gold);font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:1px}
.b7-post h3{margin:6px 0;font-size:19px} .b7-post h3 a{color:var(--text)} .b7-post h3 a:hover{color:var(--gold)}
.b7-post .meta{color:var(--muted);font-size:12px;margin-bottom:8px}
.b7-post .ex{color:var(--muted);font-size:14px;margin-bottom:10px}
.b7-archead{text-align:center;background:var(--bg-2);border-bottom:1px solid var(--line)}
.b7-archead .read{padding:40px 16px 28px}
.b7-archead h1{color:var(--gold);font-size:28px} .b7-archead p{color:var(--muted)}
.b7-faq{max-width:900px;margin:0 auto;padding:40px 16px}
.b7-faq-item{background:var(--panel);border:1px solid var(--line);border-radius:10px;margin-bottom:10px;overflow:hidden}
.b7-faq-item summary{padding:16px 20px;cursor:pointer;font-weight:600;list-style:none;display:flex;justify-content:space-between}
.b7-faq-item summary::-webkit-details-marker{display:none}
.b7-faq-item summary::after{content:"+";color:var(--gold);font-size:22px}
.b7-faq-item[open] summary::after{content:"−"}
.b7-faq-content{padding:0 20px 16px;color:var(--muted)}
.b7-final{text-align:center;background:linear-gradient(135deg,#2a1d08,#0b0a08);padding:44px 16px;border-top:1px solid var(--line)}
.b7-final h2{color:var(--gold);font-size:26px;margin-bottom:10px}
.b7-final p{color:var(--muted);margin-bottom:18px}

/* ===== GRADIENT + FLOATING (nội dung nổi lên) ===== */
.b7-h2{background:linear-gradient(135deg,var(--gold),var(--gold-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.b7-card,.b7-feat,.b7-game,.b7-type,.b7-sec,.b7-post,.b7-cta-block,.b7-faq-item,.b7-adv .col{
  background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,0) 44%),var(--panel);
  border-radius:16px;box-shadow:var(--elev);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}
.b7-card:hover,.b7-feat:hover,.b7-game:hover,.b7-type:hover,.b7-sec:hover,.b7-post:hover{
  transform:translateY(-5px);box-shadow:var(--elev-hover);border-color:var(--gold-2)}
.b7-brand{background:linear-gradient(180deg,var(--panel),var(--bg-2));border-radius:10px;box-shadow:var(--elev)}
.b7-btn{box-shadow:0 8px 20px rgba(0,0,0,.35),inset 0 1px 0 rgba(255,255,255,.45)}
.b7-logo-img{display:block;margin:0 auto 10px;width:auto;height:auto;max-width:260px;max-height:96px;filter:drop-shadow(0 6px 14px rgba(0,0,0,.55))}
.b7-logo-foot{height:42px;width:auto;filter:drop-shadow(0 4px 10px rgba(0,0,0,.5))}
.b7-game{overflow:hidden}

/* ===== COMPONENT BIẾN THỂ (v2/v3) ===== */
.b7-container{max-width:1100px;margin:0 auto;padding:0 16px}
/* v2: hero full-width (login giữa, 2 box dưới) */
.b7-hero-full{max-width:760px;margin:0 auto;padding:30px 16px 10px;text-align:center}
.b7-hero-boxes{max-width:1100px;margin:0 auto 10px;padding:0 16px;display:grid;grid-template-columns:1fr 1fr;gap:16px}
/* v2: game cuộn ngang */
.b7-games-scroll{display:flex;gap:16px;overflow-x:auto;padding:4px 2px 12px;scroll-snap-type:x mandatory}
.b7-games-scroll .b7-game{flex:0 0 220px;scroll-snap-align:start}
/* v3: feature dạng list dọc */
.b7-feat-list{max-width:820px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
/* v3: game lưới 2 cột cố định */
.b7-games-2{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;max-width:760px;margin:0 auto}

/* ===== HEADER loại B / C ===== */
.b7-hdrb-inner{max-width:1200px;margin:0 auto;padding:10px 24px;display:flex;align-items:center;gap:32px}
.b7-hdrb-inner .b7-hnav{flex:1;border-top:0;padding:0;justify-content:center}
.b7-hdrc-inner{max-width:1000px;margin:0 auto;padding:12px 24px;display:flex;flex-direction:column;align-items:center;gap:10px}
.b7-hdrc-inner .b7-hnav{border-top:0;padding:0}

/* ===== FOOTER loại B / C ===== */
.b7-ftrb{max-width:900px;margin:0 auto;padding:30px 16px;display:flex;flex-direction:column;align-items:center;gap:14px;text-align:center}
.b7-ftrb-links{display:flex;gap:18px;flex-wrap:wrap;justify-content:center}
.b7-ftrb-links a{color:var(--muted);font-size:14px}
.b7-ftrb-links a:hover{color:var(--gold)}
.b7-ftrc-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr}

/* ===== BLOG (grid v1 / list v2) ===== */
.b7-blog-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}
.b7-blog-list{display:flex;flex-direction:column;gap:12px;max-width:840px;margin:0 auto}
.b7-bpost{background:var(--panel);border:1px solid var(--line);border-radius:16px;overflow:hidden;box-shadow:var(--elev);transition:transform .18s,box-shadow .18s,border-color .18s}
.b7-bpost:hover{transform:translateY(-4px);box-shadow:var(--elev-hover);border-color:var(--gold-2)}
.b7-bthumb{height:150px;border-radius:0;border:0;border-bottom:1px solid var(--line)}
.b7-bpost .bd{padding:14px}
.b7-bpost .cat{color:var(--gold);font-size:12px;font-weight:700;text-transform:uppercase;letter-spacing:1px}
.b7-bpost h3{font-size:16px;margin:6px 0;color:var(--text)}
.b7-bpost p{font-size:13px;color:var(--muted);margin:0}
.b7-blog-list .b7-bpost{display:flex;align-items:stretch}
.b7-blog-list .b7-bthumb{width:220px;flex:none;border-bottom:0;border-right:1px solid var(--line)}
@media(max-width:600px){.b7-blog-list .b7-bpost{flex-direction:column}.b7-blog-list .b7-bthumb{width:auto;border-right:0;border-bottom:1px solid var(--line)}}

/* ---------- RESPONSIVE ---------- */
@media(max-width:760px){.b7-hero-boxes{grid-template-columns:1fr}.b7-games-2{grid-template-columns:1fr}}
@media(max-width:900px){
  .b7-layout{grid-template-columns:1fr;max-width:680px}
  .b7-rail{display:none}          /* mobile/tablet: ẩn 2 rail (find-link + cảnh báo) cho gọn */
  .b7-cskh{grid-template-columns:1fr}
  .b7-footer-grid{grid-template-columns:1fr;gap:20px}
}

/* ============================================================
   PRODUCTION overrides (trang thật — không configurator)
   ============================================================ */
.b7-header{top:0}              /* không còn thanh switch 46px */
.b7-rail{top:18px}
/* ảnh section thật (thay ô placeholder) */
.b7-secfig{margin:0 0 16px}
.b7-secfig img{width:100%;height:auto;display:block;border-radius:14px;border:1px solid var(--line);box-shadow:var(--elev)}
/* card game = link (icon + tên + mô tả) */
a.b7-feat{text-decoration:none}
a.b7-feat:hover{text-decoration:none;transform:translateY(-5px);box-shadow:var(--elev-hover);border-color:var(--gold-2)}
/* rail an toàn (không fabricate) */
.b7-find .b7-step:first-of-type{border-top:0}

/* ===== TINH CHỈNH MOBILE (điện thoại) ===== */
@media(max-width:700px){
  .b7-header-top{gap:14px;padding:10px 14px;flex-wrap:wrap}  /* không tràn ngang */
  .b7-header-logo{height:34px}
  .b7-logo-img{max-height:70px}                              /* logo hero nhỏ lại */
  .b7-h2{font-size:21px}
  .b7-phero h1,.b7-archead h1{font-size:23px;line-height:1.3}
  .b7-section{padding:22px 0}
  .b7-content,.b7-postlist,.b7-faq{padding-left:14px;padding-right:14px}
  .b7-login{padding:16px 14px}
  .b7-legal{font-size:11px}
}

/* ===== Footer nâng cấp (payment + badge + social + liên hệ) ===== */
.b7-footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:28px}
.b7-foot-desc{color:var(--gold-2);font-size:13px;margin:8px 0 4px;line-height:1.5}
.b7-foot-lic{color:#cbd5e1;font-size:13px;margin:4px 0 10px}
.b7-foot-pay{display:flex;align-items:center;gap:12px;flex-wrap:wrap;justify-content:center;
  margin-top:22px;padding-top:18px;border-top:1px solid var(--line)}
.b7-foot-pay span{color:#94a3b8;font-size:13px;font-weight:600}
.b7-foot-pay img{background:#fff;border-radius:8px;padding:3px;object-fit:contain}
.b7-foot-badges{display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:center;margin-top:16px;opacity:.92}
.b7-foot-badges img{filter:grayscale(.15)}
@media(max-width:700px){
  .b7-footer-grid{grid-template-columns:1fr 1fr;gap:18px}
  .b7-foot-pay,.b7-foot-badges{gap:12px}
}

/* ===== Đại sứ card (rail trái) + rail banner (rail phải) ===== */
.b7-amb{padding:0;overflow:hidden;text-align:center}
.b7-amb-img{display:block;width:100%;height:auto;border-radius:14px 14px 0 0}
.b7-amb-name{font-weight:800;color:var(--gold);font-size:17px;margin-top:8px;letter-spacing:.3px}
.b7-amb-role{color:var(--gold-2);font-size:12px;margin:2px 0 12px;text-transform:uppercase;letter-spacing:.5px}
.b7-rail-banner{display:block;margin-top:16px;border-radius:14px;overflow:hidden;border:1px solid var(--line);transition:transform .15s,box-shadow .15s}
.b7-rail-banner:hover{transform:translateY(-3px);box-shadow:0 10px 28px rgba(0,0,0,.45)}
.b7-rail-banner img{display:block;width:100%;height:auto}

/* ===== Nút CTA theo brand RIKVIP (xanh dương–tím, nhận diện thương hiệu) ===== */
[data-palette="rikvip"] .b7-btn{background:linear-gradient(180deg,#3b63e0 0%,#161a72 100%);color:#fff;border:0}
[data-palette="rikvip"] .b7-btn:hover{filter:brightness(1.08)}
[data-palette="rikvip"] .b7-btn-ghost{background:transparent;border:1px solid #4f6ae6;color:#c7d2ff}

/* ============================================================
   ARCHETYPE V2 (ảnh-nhiều, 1 cột giữa) — dùng cho big7_v2.html.j2
   Class mới, không đụng layout 3-6-3 của rikvip.
   ============================================================ */
.b7-wrap2{max-width:1080px;margin:0 auto;padding:24px 16px 0}
/* HERO */
.b7-hero2{text-align:center;padding:34px 16px 30px;background:radial-gradient(120% 90% at 50% 0%,var(--panel),var(--bg));border:1px solid var(--line);border-radius:18px;margin-top:14px}
.b7-hero2-logo{height:96px;width:auto;margin:0 auto 8px;display:block}
.b7-hero2 h1{font-size:30px;font-weight:800;color:var(--gold);line-height:1.25;margin:6px 0}
.b7-hero2-sub{color:var(--muted);font-size:16px;max-width:680px;margin:0 auto 18px}
.b7-btn-lg{font-size:17px;padding:15px 40px}
.b7-hero2-trust{display:flex;gap:20px;justify-content:center;flex-wrap:wrap;margin-top:16px;font-size:13px;color:var(--muted)}
/* CHECKLIST */
.b7-checklist{list-style:none;max-width:680px;margin:14px auto 0;display:grid;gap:8px}
.b7-checklist li{position:relative;padding-left:28px;color:var(--text);font-size:15px}
.b7-checklist li::before{content:"✔";position:absolute;left:0;color:var(--gold);font-weight:800}
/* KHO GAME — lưới poster dọc */
.b7-game-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:12px}
.b7-game-thumb{margin:0;border-radius:12px;overflow:hidden;border:1px solid var(--line);background:var(--panel);transition:transform .18s ease,border-color .18s ease}
.b7-game-thumb:hover{transform:translateY(-4px);border-color:var(--gold)}
.b7-game-thumb img{display:block;width:100%;height:auto}
/* HƯỚNG DẪN TẢI APP — card ngang có số bước */
.b7-appdl-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.b7-appdl-step{margin:0;position:relative;background:var(--panel);border:1px solid var(--line);border-radius:14px;overflow:hidden}
.b7-appdl-step img{display:block;width:100%;height:auto}
.b7-appdl-no{position:absolute;top:10px;left:10px;z-index:2;background:linear-gradient(180deg,var(--gold),var(--gold-2));color:var(--on-gold,#1a1409);font-weight:800;font-size:13px;width:30px;height:30px;border-radius:50%;display:flex;align-items:center;justify-content:center}
.b7-appdl-step figcaption{padding:12px 14px;font-size:14px;color:var(--text)}
/* FOOTER B — hàng mini-cột (enrich, vẫn căn giữa khác rikvip) */
.b7-ftrb-cols{display:flex;gap:48px;justify-content:center;flex-wrap:wrap;margin:8px 0 4px;text-align:left}
.b7-ftrb-cols h4{color:var(--gold);font-size:13px;text-transform:uppercase;letter-spacing:.5px;margin-bottom:10px}
.b7-ftrb-cols ul{list-style:none}
.b7-ftrb-cols li{margin-bottom:7px;font-size:14px}
.b7-ftrb-cols a{color:var(--muted)} .b7-ftrb-cols a:hover{color:var(--gold)}
@media(max-width:880px){
  .b7-game-grid{grid-template-columns:repeat(3,1fr)}
  .b7-appdl-grid{grid-template-columns:1fr}
  .b7-hero2 h1{font-size:24px}
  .b7-ftrb-cols{gap:28px}
}
@media(max-width:480px){ .b7-game-grid{grid-template-columns:repeat(2,1fr)} }

/* ===== SLIDER chung (kho game + tải app) — carousel cuộn ngang, snap ===== */
.b7-slider-wrap{position:relative}
.b7-slider{display:flex;gap:12px;overflow-x:auto;scroll-snap-type:x mandatory;padding:4px 2px 14px;scrollbar-width:thin;scrollbar-color:var(--gold-2) var(--panel)}
.b7-slider::-webkit-scrollbar{height:8px}
.b7-slider::-webkit-scrollbar-thumb{background:var(--gold-2);border-radius:8px}
.b7-slider::-webkit-scrollbar-track{background:var(--panel)}
.b7-slider>*{scroll-snap-align:start;flex:0 0 auto}
.b7-snav{position:absolute;top:42%;transform:translateY(-50%);width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:rgba(8,6,3,.78);color:var(--gold);font-size:22px;line-height:1;cursor:pointer;z-index:3;display:flex;align-items:center;justify-content:center}
.b7-snav:hover{background:var(--gold);color:var(--on-gold,#1a1409);border-color:var(--gold)}
.b7-snav-prev{left:2px}.b7-snav-next{right:2px}
.b7-slider .b7-game-thumb{width:158px}
/* card 1 bước trong slider tải app (gọn, 1 bước/màn) */
.b7-app-card{width:min(560px,86vw);position:relative;background:var(--panel);border:1px solid var(--line);border-radius:14px;overflow:hidden;margin:0}
.b7-app-card img{display:block;width:100%;height:auto}
.b7-app-card figcaption{padding:12px 14px 14px;font-size:14px;color:var(--text)}
@media(max-width:700px){.b7-snav{display:none}} /* mobile: vuốt tay */
/* ===== BLOG / bài viết ===== */
.b7-blog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.b7-blog-card{display:block;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:16px 18px;transition:border-color .18s,transform .18s}
.b7-blog-card:hover{border-color:var(--gold);transform:translateY(-3px)}
.b7-blog-card h3{color:var(--gold);font-size:15px;margin-bottom:6px;line-height:1.4}
.b7-blog-card p{color:var(--muted);font-size:13px;line-height:1.6}
@media(max-width:880px){.b7-blog-grid{grid-template-columns:1fr}}

/* ===== Header B — COPY nguyên drawer net88auk (class hbar/nhd/burger/nav-backdrop/hnav/nmenu) ===== */
.b7-hdrb{position:sticky;top:0;z-index:40;transform:none !important;background:transparent;backdrop-filter:none !important;-webkit-backdrop-filter:none !important;filter:none !important}
.hbar{background:var(--bg-2);border-bottom:1px solid var(--line)}
.nhd{max-width:1200px;margin:0 auto;padding:10px 20px;display:flex;align-items:center;justify-content:space-between;gap:22px}
.b7-hlogo{flex:none;line-height:0}
.b7-hlogo img{height:42px;width:auto;display:block}
.ncta{display:flex;gap:10px;flex:none}
.hnav{background:var(--panel);border-bottom:1px solid var(--line)}
.nmenu{max-width:1200px;margin:0 auto;display:flex;flex-wrap:wrap;gap:4px;justify-content:center;padding:8px 20px}
.nmenu a{color:var(--text);font-weight:600;font-size:14px;padding:8px 14px;border-radius:9px}
.nmenu a:hover{color:var(--on-gold);background:var(--gold)}
.nav-toggle{display:none}
.burger{display:none;cursor:pointer;line-height:0;padding:4px;margin-left:auto;align-self:center;color:var(--gold)}
.nav-backdrop{display:none}
@media(max-width:980px){
  .nhd{padding:10px 14px}
  .b7-hlogo img{height:34px}
  .burger{display:block !important}
  .ncta{display:none}
  .nav-backdrop{display:block;position:fixed;inset:0;background:rgba(0,0,0,.5);opacity:0;visibility:hidden;transition:.28s;z-index:70}
  #nvt:checked ~ .nav-backdrop{opacity:1;visibility:visible}
  .hnav{position:fixed;top:0;right:0;bottom:0;width:min(82vw,320px);background:var(--bg-2);transform:translateX(100%);transition:transform .3s ease;z-index:80;display:flex;flex-direction:column;align-items:stretch;gap:0;max-width:none;padding:60px 0 20px;overflow-y:auto;box-shadow:-8px 0 30px rgba(0,0,0,.4);border-bottom:0}
  #nvt:checked ~ .hnav{transform:translateX(0)}
  .hnav .nmenu{flex-direction:column;align-items:stretch;gap:0;max-width:none;padding:0}
  .hnav a{padding:15px 24px;border-bottom:1px solid rgba(255,255,255,.12);width:100%;border-radius:0;color:#fff}
}

/* ===== LAYOUT 2-8-2 (3 cột: rail trái banner | content | rail phải banner) ===== */
.b7-layout2{max-width:1200px;margin:0 auto;padding:24px 16px 0;display:grid;grid-template-columns:2fr 8fr 2fr;gap:22px;align-items:start}
.b7-mid2{min-width:0}                       /* tránh slider làm tràn cột */
.b7-rail2{position:sticky;top:96px;display:flex;flex-direction:column;gap:14px}
.b7-rail-banner2{display:block;border-radius:12px;overflow:hidden;border:1px solid var(--line);transition:border-color .18s,transform .18s}
.b7-rail-banner2:hover{border-color:var(--gold);transform:translateY(-3px)}
.b7-rail-banner2 img{display:block;width:100%;height:auto}
@media(max-width:980px){
  .b7-layout2{grid-template-columns:1fr;gap:0;padding-top:16px}   /* header sticky chiếm chỗ sẵn */
  .b7-rail2{display:none}                    /* mobile: ẩn 2 rail banner 2-2 */
}

/* ===== KHO GAME — marquee chạy vô hạn ===== */
.b7-marquee{overflow:hidden;-webkit-mask-image:linear-gradient(90deg,transparent,#000 5%,#000 95%,transparent);mask-image:linear-gradient(90deg,transparent,#000 5%,#000 95%,transparent)}
.b7-marquee-track{display:flex;gap:12px;width:max-content;animation:b7scroll 40s linear infinite}
.b7-marquee:hover .b7-marquee-track{animation-play-state:paused}
.b7-marquee .b7-game-thumb{width:158px}
@keyframes b7scroll{from{transform:translateX(0)}to{transform:translateX(-50%)}}
/* ===== TẢI APP — split 6-6: chữ trái · slider ảnh tự chạy phải ===== */
.b7-app2{display:grid;grid-template-columns:1fr 1fr;gap:26px;align-items:start}
.b7-app2-steps{margin:0;padding:0;list-style:none;display:grid;gap:12px}
.b7-app2-steps li{padding:13px 16px;background:var(--panel);border:1px solid var(--line);border-radius:10px;font-size:14px;color:var(--text);line-height:1.55}
.b7-app2-steps li b{color:var(--gold)}
/* slider ảnh DỌC: hiện ~3 hình/lần, tự chạy vô hạn */
.b7-vmarquee{height:680px;overflow:hidden;border:1px solid var(--line);border-radius:14px;background:var(--panel);-webkit-mask-image:linear-gradient(180deg,transparent,#000 7%,#000 93%,transparent);mask-image:linear-gradient(180deg,transparent,#000 7%,#000 93%,transparent)}
.b7-vmarquee-track{display:flex;flex-direction:column;gap:14px;padding:14px;animation:b7vscroll 16s linear infinite}
.b7-vmarquee:hover .b7-vmarquee-track{animation-play-state:paused}
.b7-vmarquee img{width:100%;height:auto;border-radius:10px;border:1px solid var(--line)}
@keyframes b7vscroll{from{transform:translateY(0)}to{transform:translateY(-50%)}}
@media(max-width:880px){.b7-app2{grid-template-columns:1fr;gap:18px}.b7-vmarquee{height:540px}}

/* ===== Archive: danh sách bài có THUMBNAIL (grid card) ===== */
.b7-postlist-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:8px}
.b7-post{display:flex;flex-direction:column;background:var(--panel);border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:border-color .18s,transform .18s}
.b7-post:hover{border-color:var(--gold);transform:translateY(-3px)}
.b7-post-thumb{display:block;aspect-ratio:2/1;overflow:hidden;background:var(--bg-2)}
.b7-post-thumb img{width:100%;height:100%;object-fit:cover;display:block}
.b7-post-meta{padding:14px 16px 16px;display:flex;flex-direction:column;gap:6px}
.b7-post-meta .cat{align-self:flex-start;font-size:11px;text-transform:uppercase;letter-spacing:.5px;color:var(--on-gold);background:var(--gold);padding:2px 9px;border-radius:999px;font-weight:700}
.b7-post-meta h3{font-size:16px;line-height:1.4;margin:2px 0}
.b7-post-meta h3 a{color:var(--text)}
.b7-post-meta h3 a:hover{color:var(--gold)}
.b7-post-meta .ex{color:var(--muted);font-size:13px;line-height:1.6}
.b7-post-more{color:var(--gold);font-weight:600;font-size:14px;margin-top:2px}
@media(max-width:760px){.b7-postlist-grid{grid-template-columns:1fr}}
.b7-related{grid-template-columns:repeat(3,1fr);max-width:none}
.b7-related .b7-post-meta{padding:12px 14px}
.b7-related .b7-post-meta h3{font-size:14px}
@media(max-width:760px){.b7-related{grid-template-columns:1fr}}
/* caption REVIEW: hiện nội dung alt dưới ảnh để soi (tắt ở production qua cờ review) */
.b7-secfig{margin:18px 0}
.b7-secfig figcaption.b7-qa{margin-top:6px;font-size:12.5px;color:var(--gold-2);font-style:italic;text-align:center;background:rgba(255,211,136,.06);border:1px dashed var(--line);border-radius:6px;padding:5px 8px}

/* STICKY CTA mobile (R-27) — chỉ hiện ở mobile, đẩy nội dung lên tránh che */
.b7-sticky{display:none}
@media(max-width:760px){
  .b7-sticky{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:60;padding:9px 12px;background:rgba(11,10,8,.97);border-top:1px solid var(--line);box-shadow:0 -6px 20px rgba(0,0,0,.4)}
  .b7-sticky .b7-btn{flex:1;text-align:center;justify-content:center;padding:13px}
  body{padding-bottom:62px}
}

/* ═══════════ 3 HOME LAYOUT RIÊNG (chống footprint) ═══════════ */

/* ── LAYOUT TAB (sunwin90): hero-band giữa + tab lobby + game grid ── */
.b7t-hero{background:radial-gradient(900px 320px at 50% -80px,rgba(255,211,136,.14),transparent),linear-gradient(180deg,var(--bg-2),var(--bg));border-bottom:1px solid var(--line);text-align:center;padding:48px 18px 40px}
.b7t-hero .in{max-width:820px;margin:0 auto}
.b7t-hero .lg{height:70px;width:auto;margin:0 auto 16px;display:block}
.b7t-hero h1{font-size:32px;margin:0 0 12px;color:var(--text);line-height:1.25}
.b7t-hero .sub{color:var(--muted);font-size:17px;margin:0 0 20px}
.b7t-cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.b7t-trust{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin-top:16px}
.b7t-trust span{border:1px solid var(--line);border-radius:20px;padding:6px 14px;font-size:13px;color:var(--muted)}
.b7t-sec{max-width:1100px;margin:0 auto;padding:38px 18px}
.b7t-sec>h2{font-size:24px;text-align:center;margin:0 0 22px;color:var(--text)}
.b7t-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:12px}
.b7t-grid figure{margin:0;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:var(--panel)}
.b7t-grid img{width:100%;height:auto;display:block}
.b7t-tabwrap input{display:none}
.b7t-tabs{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;border-bottom:1px solid var(--line);margin-bottom:22px}
.b7t-tabs label{padding:10px 20px;cursor:pointer;font-weight:700;color:var(--muted);border:1px solid transparent;border-bottom:none;border-radius:10px 10px 0 0}
.b7t-panel{display:none;max-width:780px;margin:0 auto;color:var(--text)}
.b7t-panel p{color:var(--text);margin:12px 0}
.b7t-panel ul{margin:10px 0 0 20px;color:var(--muted)}
#b7t1:checked~.b7t-tabs label[for=b7t1],#b7t2:checked~.b7t-tabs label[for=b7t2],#b7t3:checked~.b7t-tabs label[for=b7t3],#b7t4:checked~.b7t-tabs label[for=b7t4],#b7t5:checked~.b7t-tabs label[for=b7t5]{color:var(--on-gold);background:var(--gold);border-color:var(--gold)}
#b7t1:checked~.b7t-panels .b7t-panel:nth-child(1),#b7t2:checked~.b7t-panels .b7t-panel:nth-child(2),#b7t3:checked~.b7t-panels .b7t-panel:nth-child(3),#b7t4:checked~.b7t-panels .b7t-panel:nth-child(4),#b7t5:checked~.b7t-panels .b7t-panel:nth-child(5){display:block}
.b7t-steps{list-style:none;counter-reset:s;display:grid;grid-template-columns:1fr 1fr;gap:14px;padding:0;max-width:920px;margin:0 auto}
.b7t-steps li{counter-increment:s;display:flex;gap:14px;align-items:center;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:12px 14px;position:relative}
.b7t-steps li::before{content:counter(s);flex:none;width:30px;height:30px;border-radius:50%;background:var(--gold);color:var(--on-gold);font-weight:800;display:grid;place-items:center}
.b7t-steps img{width:150px;height:auto;border-radius:8px;border:1px solid var(--line)}
.b7t-steps span{font-size:14px;color:var(--text)}
.b7t-midcta{max-width:760px;margin:0 auto;text-align:center;background:linear-gradient(180deg,var(--panel),var(--bg-2));border:1px solid var(--gold-2);border-radius:14px;padding:26px}
.b7t-midcta h3{margin:0 0 6px;color:var(--gold)}.b7t-midcta p{margin:0 0 14px;color:var(--muted)}
@media(max-width:760px){.b7t-grid{grid-template-columns:repeat(3,1fr)}.b7t-steps{grid-template-columns:1fr}.b7t-hero h1{font-size:26px}}

/* ── LAYOUT MAGAZINE (hitclub90): hero ngang + 2 cột main|sidebar ── */
.b7m-hero{background:linear-gradient(180deg,var(--bg-2),var(--bg));border-bottom:2px solid var(--gold-2)}
.b7m-hero .in{max-width:1140px;margin:0 auto;padding:38px 18px;display:flex;gap:28px;align-items:center;flex-wrap:wrap}
.b7m-hero .lg{height:62px;width:auto;flex:none}
.b7m-hero h1{font-size:27px;margin:0 0 8px;color:var(--text)}
.b7m-hero .sub{color:var(--muted);margin:0}
.b7m-hero .cta{display:flex;gap:10px;margin-top:14px;flex-wrap:wrap}
.b7m-wrap{max-width:1140px;margin:0 auto;padding:32px 18px;display:grid;grid-template-columns:1fr 320px;gap:30px;align-items:start}
.b7m-main h2{font-size:23px;margin:26px 0 12px;color:var(--text)}
.b7m-main h2:first-child{margin-top:0}
.b7m-main p{color:var(--text)}
.b7m-gcards{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:16px 0}
.b7m-gcard{display:flex;gap:12px;background:var(--panel);border:1px solid var(--line);border-left:3px solid var(--gold);border-radius:10px;padding:14px;align-items:flex-start;transition:.15s}
.b7m-gcard:hover{border-color:var(--gold);transform:translateY(-2px)}
.b7m-gcard .ic{font-size:26px;flex:none}
.b7m-gcard h3{margin:0 0 4px;font-size:16px;color:var(--text)}
.b7m-gcard p{margin:0;font-size:13.5px;color:var(--muted)}
.b7m-aside{position:sticky;top:90px;display:flex;flex-direction:column;gap:16px}
.b7m-box{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:16px}
.b7m-box h4{margin:0 0 12px;color:var(--text);font-size:15px}
.b7m-box .ok{color:var(--gold);font-size:13px;margin-bottom:8px}
.b7m-box .st{font-size:13.5px;color:var(--muted);margin:6px 0;display:flex;gap:8px}
.b7m-box .b7-btn{width:100%;justify-content:center;margin-top:8px}
.b7m-rail img{width:100%;border-radius:12px;border:1px solid var(--line);display:block}
@media(max-width:900px){.b7m-wrap{grid-template-columns:1fr}.b7m-aside{position:static;flex-direction:row;flex-wrap:wrap}.b7m-aside>*{flex:1;min-width:240px}.b7m-gcards{grid-template-columns:1fr}}

/* ── LAYOUT CENTERED (hitclub78): 1 cột hẹp căn giữa + accordion ── */
.b7c-wrap{max-width:760px;margin:0 auto;padding:0 18px}
.b7c-hero{text-align:center;padding:46px 0 32px}
.b7c-hero .lg{height:72px;width:auto;margin:0 auto 16px;display:block}
.b7c-hero h1{font-size:30px;margin:0 0 12px;color:var(--text);line-height:1.25}
.b7c-hero .sub{color:var(--muted);font-size:16.5px;margin:0 0 6px}
.b7c-hero .cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:18px}
.b7c-trust{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin-top:16px}
.b7c-trust span{font-size:13px;color:var(--muted)}
.b7c-sec{padding:30px 0;border-top:1px solid var(--line)}
.b7c-sec h2{text-align:center;font-size:23px;margin:0 0 16px;color:var(--text)}
.b7c-sec p{color:var(--text)}
.b7c-gcard{display:flex;gap:14px;text-align:left;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:15px 16px;margin-bottom:12px;align-items:center}
.b7c-gcard .ic{font-size:30px;flex:none}
.b7c-gcard h3{margin:0 0 3px;font-size:16px;color:var(--text)}
.b7c-gcard p{margin:0;font-size:13.5px;color:var(--muted)}
.b7c-midcta{text-align:center;background:linear-gradient(180deg,var(--panel),var(--bg-2));border:1px solid var(--gold-2);border-radius:14px;padding:26px;margin:8px 0}
.b7c-midcta h3{margin:0 0 6px;color:var(--gold)}.b7c-midcta p{margin:0 0 14px;color:var(--muted)}

/* ── Drawer cho HEADER A (mobile) — vá thiếu menu ── */
.b7-hdr .b7-header-top{position:relative}
.burger-a{display:none}
.b7a-drawer{display:none}
@media(max-width:760px){
  /* bỏ transform để header KHÔNG thành containing-block của drawer fixed + hiện luôn (đỡ phải cuộn mới thấy burger) */
  .b7-hdr{position:sticky !important;top:0 !important;transform:none !important}
  .b7-hdr .b7-header-top{justify-content:space-between}
  .b7-hdr .burger-a{display:block;cursor:pointer;color:var(--gold);margin-left:auto;padding:4px;line-height:0}
  .b7-hdr .b7-hnav{display:none}
  .b7a-drawer{display:flex;flex-direction:column;position:fixed;top:0;right:0;bottom:0;width:80%;max-width:300px;background:var(--panel);border-left:1px solid var(--line);z-index:80;padding:56px 18px 24px;transform:translateX(100%);transition:transform .25s ease;overflow-y:auto}
  .b7a-drawer a{color:var(--text);padding:13px 8px;border-bottom:1px solid var(--line);font-weight:600;text-decoration:none}
  .b7a-drawer a:hover{color:var(--gold)}
  .b7a-x{position:absolute;top:14px;right:16px;font-size:22px;color:var(--muted);cursor:pointer;line-height:1}
  #nvt:checked ~ .b7a-drawer{transform:translateX(0)}
  #nvt:checked ~ .nav-backdrop{opacity:1;visibility:visible}
}

/* ── fix banner sidebar magazine bị kéo dãn ── */
.b7m-rail img{height:auto !important}

/* ── big7_mag: intro sapo full-width + montage + blog ── */
.b7m-intro{border-bottom:1px solid var(--line);background:var(--bg-2)}
.b7m-iin{max-width:1140px;margin:0 auto;padding:22px 18px}
.b7m-iin .sapo{margin:0;color:var(--text);font-size:16px;line-height:1.75}
.b7m-ibul{margin:12px 0 0 20px;color:var(--muted);columns:2;gap:28px}
.b7m-montage{margin:0 0 16px}
.b7m-montage img{width:100%;height:auto;border-radius:12px;border:1px solid var(--line);display:block}
.b7m-blog{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:6px 0}
.b7m-bcard{display:block;background:var(--panel);border:1px solid var(--line);border-left:3px solid var(--gold);border-radius:10px;padding:13px 15px;transition:.15s}
.b7m-bcard:hover{border-color:var(--gold);transform:translateY(-2px)}
.b7m-bcard b{color:var(--text);font-size:15px;display:block;margin-bottom:4px}
.b7m-bcard span{color:var(--muted);font-size:13px}
@media(max-width:760px){.b7m-ibul{columns:1}.b7m-blog{grid-template-columns:1fr}}

@media(max-width:980px){.b7-postlist-grid{grid-template-columns:repeat(2,1fr)}}

/* ── blog cards dùng chung cho big7_tab & big7_center ── */
.b7g-blog{display:grid;grid-template-columns:1fr 1fr 1fr;gap:14px;max-width:1000px;margin:0 auto}
.b7g-bcard{display:block;text-align:left;background:var(--panel);border:1px solid var(--line);border-left:3px solid var(--gold);border-radius:10px;padding:14px 16px;transition:.15s}
.b7g-bcard:hover{border-color:var(--gold);transform:translateY(-2px)}
.b7g-bcard b{color:var(--text);font-size:15px;display:block;margin-bottom:4px;line-height:1.4}
.b7g-bcard span{color:var(--muted);font-size:13px}
.b7c-montage{margin:0 0 16px}
.b7c-montage img{width:100%;height:auto;border-radius:12px;border:1px solid var(--line);display:block}
@media(max-width:860px){.b7g-blog{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.b7g-blog{grid-template-columns:1fr}}

/* ── big7_tab: marquee kho game chạy infinity ── */
.b7t-marquee{overflow:hidden;-webkit-mask:linear-gradient(90deg,transparent,#000 5%,#000 95%,transparent);mask:linear-gradient(90deg,transparent,#000 5%,#000 95%,transparent)}
.b7t-track{display:flex;gap:14px;width:max-content;animation:b7t-scroll 45s linear infinite}
.b7t-marquee:hover .b7t-track{animation-play-state:paused}
.b7t-track figure{margin:0;flex:0 0 auto;width:150px;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:var(--panel)}
.b7t-track img{width:150px;height:auto;display:block}
@keyframes b7t-scroll{from{transform:translateX(0)}to{transform:translateX(-50%)}}
/* intro bullets 2 cột */
.b7t-ibul{max-width:760px;margin:0 auto;columns:2;gap:28px;color:var(--muted);list-style-position:inside}
@media(max-width:600px){.b7t-ibul{columns:1}}
/* guide đăng ký / đăng nhập */
.b7t-guide{display:grid;grid-template-columns:1fr 1fr;gap:18px;max-width:900px;margin:0 auto}
.b7t-gcol{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:18px 20px}
.b7t-gcol h3{color:var(--gold);margin:0 0 10px;font-size:17px}
.b7t-gcol ol{margin:0;padding-left:20px;color:var(--text)}
.b7t-gcol li{margin:8px 0}
@media(max-width:700px){.b7t-guide{grid-template-columns:1fr}}

/* ── blog card CÓ THUMB (b7g dùng chung tab+center) ── */
.b7g-bcard{padding:0 !important;overflow:hidden;border-left:1px solid var(--line) !important}
.b7g-th{display:block;width:100%;height:auto}   /* giữ tỉ lệ gốc 2:1, KHÔNG ép/crop → không méo */
.b7g-bd{padding:12px 14px}
.b7g-bcard:hover{border-color:var(--gold) !important}

/* ── macro reg_login (đăng ký/đăng nhập) — dùng chung mọi home BIG7 ── */
.b7-reglogin{display:grid;grid-template-columns:1fr 1fr;gap:18px;max-width:900px;margin:0 auto}
.b7-rlcol{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:18px 20px}
.b7-rlcol h3{color:var(--gold);margin:0 0 10px;font-size:17px}
.b7-rlcol ol{margin:0 0 14px;padding-left:20px;color:var(--text)}
.b7-rlcol li{margin:8px 0}
.b7-rlcol .b7-btn{width:100%;text-align:center}
@media(max-width:700px){.b7-reglogin{grid-template-columns:1fr}}

/* ── macro legal_info (pháp lý & thông tin facts) ── */
.b7-legalinfo{max-width:1000px;margin:0 auto}
.b7-li-facts{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px;margin-bottom:18px}
.b7-li-facts>div{background:var(--panel);border:1px solid var(--line);border-left:3px solid var(--gold);border-radius:10px;padding:12px 14px}
.b7-li-facts b{display:block;color:var(--gold);font-size:13px;margin-bottom:4px}
.b7-li-facts span{color:var(--text);font-size:13.5px;line-height:1.5}
.b7-li-cols{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-bottom:16px}
.b7-li-cols h4{color:var(--text);margin:0 0 10px;font-size:15px}
.b7-pays{display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.b7-pays img{height:34px;width:auto}
.b7-li-links{margin:0;padding:0;list-style:none}
.b7-li-links li{margin:6px 0}
.b7-li-links a{color:var(--muted)}.b7-li-links a:hover{color:var(--gold)}
.b7-li-resp{color:var(--muted);font-size:13px;line-height:1.7;border-top:1px solid var(--line);padding-top:14px;margin:0}
.b7-age{display:inline-block;border:1.5px solid var(--gold);color:var(--gold);border-radius:50%;width:30px;height:30px;line-height:27px;text-align:center;font-weight:800;font-size:12px;margin-right:8px;vertical-align:middle}
.b7-li-badges{display:flex;gap:14px;align-items:center;margin-top:12px}
.b7-li-badges img{height:38px;width:auto;opacity:.9}
@media(max-width:760px){.b7-li-facts{grid-template-columns:1fr}.b7-li-cols{grid-template-columns:1fr}}

/* ── b7m blog thumb (magazine) ── */
.b7m-bcard{padding:0 !important;overflow:hidden}
.b7m-bth{width:100%;height:auto;display:block}
.b7m-btx{display:block;padding:12px 14px}

/* 18+ trong footer legal (disclaimer đầy đủ) */
.b7-fage{display:inline-block;border:1.5px solid var(--gold);color:var(--gold);border-radius:50%;width:26px;height:26px;line-height:23px;text-align:center;font-weight:800;font-size:11px;margin-right:6px;vertical-align:middle}

/* ── Home tab: intro kho game + bảng so sánh + block "Về brand" ── */
.b7t-lead{max-width:880px;margin:-8px auto 18px;color:var(--muted);font-size:15px;line-height:1.65;text-align:center}
.b7t-lead a,.b7t-about a{color:var(--gold);text-decoration:underline;text-underline-offset:2px}
.b7t-lead a:hover,.b7t-about a:hover{color:var(--gold-2)}
.b7t-cmp{overflow-x:auto;margin:16px 0}
.b7t-cmp table{width:100%;border-collapse:collapse;font-size:14px;min-width:520px}
.b7t-cmp th,.b7t-cmp td{border:1px solid var(--line);padding:10px 13px;text-align:left}
.b7t-cmp thead th{background:var(--panel);color:var(--gold);font-weight:700}
.b7t-cmp tbody tr:first-child{background:rgba(212,175,55,.07);font-weight:600}
.b7t-about{max-width:880px;margin:0 auto;line-height:1.78;color:var(--text)}
.b7t-about p{margin:0 0 15px}

/* ── Footer: brand link + địa chỉ + hàng bảo mật; legal block gọn ── */
.b7-foot-brand{color:var(--gold);font-weight:700;text-decoration:none}
.b7-foot-brand:hover{text-decoration:underline}
.b7-foot-addr{color:var(--muted);font-size:13px;margin:4px 0 0;line-height:1.5}
.b7-foot-sec{display:flex;flex-wrap:wrap;gap:8px 16px;justify-content:center;margin:10px 0;color:var(--muted);font-size:13px}
.b7-foot-sec span{white-space:nowrap}
.b7-li-note{max-width:760px;margin:14px auto 0;color:var(--muted);font-size:14px;line-height:1.65;text-align:center}

/* Pháp lý home: 1 dòng giấy phép căn giữa (bỏ card lẻ lệch) */
.b7-li-lic{max-width:780px;margin:0 auto;text-align:center;padding:14px 22px;border:1px solid var(--gold);border-radius:12px;background:rgba(212,175,55,.06);color:var(--text);font-size:15px;line-height:1.6}