:root{
  --bg:#060d20; --bg2:#0a1430; --card:#0d1733; --card2:#122048;
  --line:#1e2e5c; --gold:#f0a800; --gold2:#ffd166; --green:#7ed957;
  --pink:#e93cac; --tx:#e8eefc; --mut:#9fb0d4; --rad:12px;
}
*{box-sizing:border-box;margin:0;padding:0}
body{background:var(--bg);color:var(--tx);font:16px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;-webkit-text-size-adjust:100%}
body.lock{overflow:hidden}
img{max-width:100%;display:block}
a{color:var(--gold2);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:1180px;margin:0 auto;padding:0 16px}

/* ---------- HEADER ---------- */
.hd{position:sticky;top:0;z-index:50;background:rgba(6,13,32,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.hd .wrap{display:flex;align-items:center;gap:16px;height:64px}
.logo{display:flex;align-items:center;gap:9px;flex:0 0 auto}
.logo img{height:40px;width:auto}
.logo b{font-size:19px;letter-spacing:.5px;background:linear-gradient(90deg,var(--gold2),var(--gold));-webkit-background-clip:text;background-clip:text;color:transparent}
.nav{display:flex;gap:22px;margin-left:auto;font-size:15px}
.nav a{color:var(--tx);font-weight:500;white-space:nowrap}
.nav a:hover{color:var(--gold2);text-decoration:none}
.cta{display:flex;gap:8px;flex:0 0 auto}
.btn{display:inline-block;padding:9px 16px;border-radius:999px;font-weight:700;font-size:14px;white-space:nowrap}
.btn-g{background:linear-gradient(135deg,var(--gold2),var(--gold));color:#2a1a05}
.btn-o{border:1px solid var(--gold);color:var(--gold2)}
.btn:hover{text-decoration:none;filter:brightness(1.08)}
.burger{display:none;margin-left:auto;background:none;border:1px solid var(--line);border-radius:8px;cursor:pointer;
  width:40px;height:36px;position:relative;font-size:0;color:transparent}
/* ký tự ☰ render thành ô tofu (font theme thiếu glyph) → vẽ 3 vạch bằng CSS, không phụ thuộc font */
.burger::before,.burger::after,.burger span{content:"";position:absolute;left:9px;right:9px;height:2px;
  background:var(--tx);border-radius:2px}
.burger::before{top:11px} .burger span{top:17px} .burger::after{top:23px}

/* ---------- MOBILE DRAWER ---------- */
.ovl{position:fixed;inset:0;z-index:70;background:rgba(3,7,18,.6);backdrop-filter:blur(2px);opacity:0;visibility:hidden;transition:.25s}
.ovl.on{opacity:1;visibility:visible}
.drw{position:fixed;top:0;right:0;bottom:0;z-index:80;width:min(82vw,320px);background:var(--bg2);
  border-left:1px solid var(--line);transform:translateX(100%);transition:transform .28s ease;
  display:flex;flex-direction:column;overflow-y:auto}
.drw.on{transform:translateX(0)}
.drw-h{display:flex;align-items:center;gap:10px;padding:14px 16px;border-bottom:1px solid var(--line)}
.drw-h img{height:34px;width:auto}
.drw-h b{font-size:17px;background:linear-gradient(90deg,var(--gold2),var(--gold));-webkit-background-clip:text;background-clip:text;color:transparent}
.drw-x{margin-left:auto;background:none;border:none;color:var(--mut);font-size:26px;line-height:1;cursor:pointer;padding:0 4px}
.drw-n{display:flex;flex-direction:column;padding:8px 0}
.drw-n a{padding:13px 18px;color:var(--tx);font-weight:600;font-size:15px;border-bottom:1px solid rgba(30,46,92,.5)}
.drw-n a:hover,.drw-n a:active{background:var(--card2);color:var(--gold2);text-decoration:none}
.drw-c{display:flex;flex-direction:column;gap:9px;padding:16px 18px}
.drw-c a{text-align:center;padding:12px 0;border-radius:10px;font-weight:800;font-size:14.5px}

/* ---------- HERO SLIDER ---------- */
.hero{padding:18px 0 6px}
.sld{position:relative;border-radius:var(--rad);overflow:hidden;border:1px solid var(--line);background:var(--card)}
.sld-track{display:flex;transition:transform .5s ease}
.sld-track a{flex:0 0 100%}
.sld img{width:100%;height:auto;aspect-ratio:728/224;object-fit:cover}
.sld-nav{position:absolute;top:50%;transform:translateY(-50%);width:36px;height:36px;border-radius:50%;background:rgba(6,13,32,.6);border:1px solid var(--line);color:#fff;font-size:18px;cursor:pointer;display:flex;align-items:center;justify-content:center}
.sld-nav:hover{background:var(--gold);color:#2a1a05}
.sld-prev{left:10px}.sld-next{right:10px}
.dots{position:absolute;left:0;right:0;bottom:10px;display:flex;justify-content:center;gap:7px}
.dots i{width:8px;height:8px;border-radius:50%;background:rgba(255,255,255,.45);cursor:pointer;transition:.2s}
.dots i.on{background:var(--gold);width:22px;border-radius:5px}

/* ---------- SECTION ---------- */
.sec{padding:26px 0}
.sh{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.sh .sh-t{font-size:19px;font-weight:800;letter-spacing:.3px}
.sh .bar{width:4px;height:20px;border-radius:2px;background:linear-gradient(180deg,var(--gold2),var(--gold))}
.sh .more{margin-left:auto;font-size:13px;color:var(--mut)}

/* lobby icons */
.lob{display:grid;grid-template-columns:repeat(6,1fr);gap:10px}
.lob a{display:flex;flex-direction:column;align-items:center;gap:8px;padding:14px 6px;border-radius:var(--rad);
  background:linear-gradient(160deg,var(--card2),var(--card));border:1px solid var(--line);color:var(--tx);font-size:13px;font-weight:600;text-align:center}
.lob a:hover{border-color:var(--gold);text-decoration:none;transform:translateY(-2px);transition:.15s}
.lob img{width:34px;height:34px;object-fit:contain}

/* game grid */
.gg{display:grid;grid-template-columns:repeat(6,1fr);gap:12px}
.gg .g{background:var(--card);border:1px solid var(--line);border-radius:var(--rad);overflow:hidden}
.gg .g:hover{border-color:var(--gold);transform:translateY(-2px);transition:.15s}
.gg img{width:100%;aspect-ratio:1;object-fit:cover}
.gg .gn{padding:8px 8px 10px;font-size:12.5px;font-weight:600;text-align:center;color:var(--tx);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* provider strip */
.pv{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;background:var(--card);border:1px solid var(--line);border-radius:var(--rad);padding:16px}
.pv img{height:34px;width:auto;object-fit:contain;opacity:.85;filter:grayscale(.2)}
.pv img:hover{opacity:1;filter:none}

/* ---------- CONTENT ---------- */
.art{background:var(--card);border:1px solid var(--line);border-radius:var(--rad);padding:22px}
.art h1{font-size:27px;line-height:1.3;font-weight:800;margin-bottom:12px}
.art h2{font-size:20px;margin:22px 0 10px;font-weight:800;color:var(--gold2)}
.art p{margin-bottom:12px;color:#d8e2f7}
.art ul{margin:0 0 12px 20px;color:#d8e2f7}
.art li{margin-bottom:6px}
.toc{background:var(--bg2);border:1px dashed var(--line);border-radius:var(--rad);padding:14px 16px;margin:16px 0}
.toc b{display:block;margin-bottom:8px;color:var(--gold2);font-size:14px;text-transform:uppercase;letter-spacing:.5px}
.toc ol{margin-left:18px;color:var(--mut);font-size:14.5px}
/* ---------- TABLE trong bài ----------
   .tw = khung cuộn ngang (bọc ở article/default.php lúc render). Bắt buộc: table 3–4 cột
   tràn viewport 390px, mà tràn ngang là trang co giật + tụt điểm mobile. Cuộn nằm TRONG
   khung, body trang không bao giờ scroll ngang. */
.tw{margin:18px 0;overflow-x:auto;-webkit-overflow-scrolling:touch;
  border:1px solid var(--line);border-radius:10px;background:var(--card2)}
.tbl{width:100%;border-collapse:collapse;font-size:14.5px;min-width:520px}
.tbl th{background:linear-gradient(180deg,var(--card2),#0f1b3d);text-align:left;
  padding:12px 14px;color:var(--gold2);font-weight:700;font-size:13px;
  text-transform:uppercase;letter-spacing:.4px;white-space:nowrap;
  border-bottom:2px solid var(--gold)}
.tbl td{padding:12px 14px;border-top:1px solid var(--line);color:#d8e2f7;vertical-align:top}
.tbl tbody tr:nth-child(even) td,.tbl tr:nth-child(even) td{background:rgba(18,32,72,.45)}
.tbl tr:hover td{background:rgba(240,168,0,.06)}
.tbl td:first-child{color:var(--tx);font-weight:600}   /* cột 1 = nhãn hàng */
.tbl td a{color:var(--gold2);text-decoration:underline;text-underline-offset:2px}
@media(max-width:640px){
  .tbl{font-size:13.5px;min-width:480px}
  .tbl th,.tbl td{padding:10px 12px}
}

/* FAQ */
.faq details{background:var(--card);border:1px solid var(--line);border-radius:var(--rad);padding:14px 16px;margin-bottom:10px}
.faq summary{cursor:pointer;font-weight:700;color:var(--tx);list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";float:right;color:var(--gold)}
.faq details[open] summary::after{content:"–"}
.faq p{margin-top:10px;color:var(--mut)}

/* ---------- FOOTER ---------- */
.ft{background:var(--bg2);border-top:1px solid var(--line);margin-top:30px;padding:30px 0 90px}
.ftg{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:26px}
.ft .logo{margin-bottom:10px}
.ft p{color:var(--mut);font-size:14px}
.ft .ft-h{font-size:14px;font-weight:700;text-transform:uppercase;letter-spacing:.6px;color:var(--gold2);margin-bottom:10px}
.ft ul{list-style:none;font-size:14px}
.ft li{margin-bottom:7px}
.ft li a{color:var(--mut)}
.ft li a:hover{color:var(--gold2)}
.ftb{margin-top:22px;padding-top:16px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between}
.ftd{margin-top:14px;padding-top:12px;border-top:1px solid var(--line);display:flex;justify-content:center}
.ftd img{opacity:.75;transition:opacity .2s}
.ftd a:hover img{opacity:1}
.age{display:inline-flex;align-items:center;gap:8px;color:var(--mut);font-size:13px}
.age b{display:inline-flex;width:30px;height:30px;border-radius:50%;border:2px solid var(--pink);color:var(--pink);align-items:center;justify-content:center;font-size:12px}

/* ---------- MOBILE STICKY CTA ---------- */
.mbar{display:none;position:fixed;left:0;right:0;bottom:0;z-index:60;background:rgba(10,20,48,.97);border-top:1px solid var(--line);padding:8px 10px;gap:8px}
.mbar a{flex:1;text-align:center;padding:11px 0;border-radius:10px;font-weight:800;font-size:14px}

/* ---------- RESPONSIVE ---------- */
@media(max-width:900px){
  .nav{display:none}
  .burger{display:block}
  .cta{display:none}
  .lob{grid-template-columns:repeat(4,1fr)}
  .gg{grid-template-columns:repeat(3,1fr)}
  .ftg{grid-template-columns:1fr;gap:20px}
  .mbar{display:flex}
  .art h1{font-size:22px}
  .art{padding:16px}
  .sld-nav{display:none}
}
@media(max-width:420px){
  .lob{grid-template-columns:repeat(3,1fr)}
  .gg{grid-template-columns:repeat(2,1fr)}
}

/* ===== ARTICLE E-E-A-T + PROMO + RELATED (override) ===== */
.item-page{max-width:100%}
.byline{display:flex;align-items:center;gap:12px;padding:12px 0 16px;margin-bottom:8px;border-bottom:1px solid var(--line)}
.byline img{width:48px;height:48px;border-radius:50%;object-fit:cover;border:2px solid var(--gold)}
.by-meta{display:flex;flex-direction:column;line-height:1.4}
.by-name{font-weight:700;color:var(--gold2);font-size:15px}
.by-role{font-size:12.5px;color:var(--mut)}
.author-hero{display:flex;align-items:center;gap:18px;padding:8px 0 18px;margin-bottom:6px;border-bottom:1px solid var(--line)}
.author-hero img{width:110px;height:110px;border-radius:50%;object-fit:cover;border:3px solid var(--gold)}
.author-hero .ah-role{color:var(--gold2);font-weight:600;font-size:16px}
.in-promo{margin:22px 0;border:1px solid var(--line);border-radius:var(--rad);overflow:hidden;background:var(--card)}
.in-promo img{width:100%;height:auto;aspect-ratio:728/224;object-fit:cover}
.in-promo figcaption{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:12px 16px}
.in-promo figcaption span{font-weight:700;color:var(--gold2)}
.author-card{display:flex;gap:14px;align-items:flex-start;margin:26px 0 6px;padding:16px;background:var(--card2);border:1px solid var(--line);border-radius:var(--rad)}
.author-card img{width:72px;height:72px;border-radius:50%;object-fit:cover;border:2px solid var(--gold);flex:0 0 auto}
.author-card p{margin:6px 0 0;color:var(--mut);font-size:14px}
.related{margin-top:30px}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.rel-card{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--rad);overflow:hidden;color:var(--tx)}
.rel-card:hover{border-color:var(--gold);text-decoration:none;transform:translateY(-2px);transition:.15s}
.rel-card img{width:100%;aspect-ratio:728/224;object-fit:cover}
.rel-card .rc-t{padding:10px 12px 4px;font-weight:700;font-size:14px;line-height:1.35}
.rel-card .rc-x{padding:0 12px 12px;color:var(--mut);font-size:12.5px}

/* ===== BLOG LIST card grid (override) ===== */
.blog-list .card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:18px}
.cat-desc{color:var(--mut);margin:8px 0 6px}
.pcard{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--rad);overflow:hidden;color:var(--tx)}
.pcard:hover{border-color:var(--gold);text-decoration:none;transform:translateY(-3px);transition:.15s}
.pc-img img{width:100%;aspect-ratio:728/224;object-fit:cover}
.pc-body{display:flex;flex-direction:column;padding:12px 14px 16px;gap:6px}
/* title card giờ là <h2> (chuẩn onpage). Phải thắng .art h2 (gold/20px/margin) — dùng .pcard h2.pc-t
   cho đủ specificity, nếu không card title sẽ vàng + giãn margin, vỡ layout grid. */
.pcard h2.pc-t{font-weight:700;font-size:15.5px;line-height:1.35;color:var(--tx);margin:0}
.pc-t{font-weight:700;font-size:15.5px;line-height:1.35;color:var(--tx)}
.pc-x{color:var(--mut);font-size:13px;line-height:1.5}
.pc-more{color:var(--gold2);font-weight:600;font-size:13px;margin-top:2px}

@media(max-width:900px){
  .rel-grid,.blog-list .card-grid{grid-template-columns:1fr}
  .author-hero img{width:84px;height:84px}
}
@media(max-width:640px){
  .blog-list .card-grid{grid-template-columns:1fr}
}
/* author team — card avatar tròn, gọn (ảnh cũ full-bleed 600px cao, át hết tên/vai trò) */
.team-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:18px}
.tcard{display:flex;flex-direction:column;align-items:center;text-align:center;gap:6px;
  padding:24px 18px 20px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--rad);color:var(--tx);min-width:0}
.tcard:hover{border-color:var(--gold);text-decoration:none;transform:translateY(-3px);transition:.15s}
.tc-av{width:96px;height:96px;border-radius:50%;object-fit:cover;object-position:center 22%;
  border:2px solid var(--gold);padding:2px;background:var(--bg);flex:none}
/* .tc-n giờ là <h2> → phải thắng .art h2 (gold/20px/margin 22px), nếu không tên tác giả sẽ
   vàng + giãn margin, vỡ grid card. Cùng lý do với .pcard h2.pc-t bên /blog. */
.tcard h2.tc-n{font-weight:700;font-size:16px;line-height:1.3;color:var(--tx);margin:6px 0 0}
.tc-n{font-weight:700;font-size:16px;line-height:1.3;margin-top:6px}
.tc-r{color:var(--gold2);font-size:12.5px;line-height:1.4}
.tc-x{color:var(--mut);font-size:13px;line-height:1.55;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.tc-more{color:var(--gold2);font-weight:600;font-size:13px;margin-top:auto;padding-top:6px}
/* MB: đổi sang hàng ngang — avatar trái, chữ phải; đỡ phải cuộn 3 khối dọc */
@media(max-width:640px){
  .team-grid{grid-template-columns:1fr;gap:12px}
  .tcard{display:grid;grid-template-columns:72px 1fr;grid-template-areas:"av n" "av r" "av x" "av m";
    align-items:start;text-align:left;column-gap:14px;row-gap:3px;padding:16px 14px}
  .tc-av{grid-area:av;width:72px;height:72px;margin-top:2px}
  .tcard h2.tc-n,.tc-n{grid-area:n;margin:0}
  .tc-r{grid-area:r}
  /* PHẢI giữ display:-webkit-box, nếu đặt display:block thì -webkit-line-clamp mất tác dụng */
  .tc-x{grid-area:x;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
  .tc-more{grid-area:m;margin-top:6px;padding-top:0}
}

/* fix grid item không co được (min-width:auto = intrinsic img width) */
.pcard,.rel-card,.gg .g{min-width:0}
.pc-img img,.rel-card img,.in-promo img,.pcard img{max-width:100%}

/* ── MENU: mega dropdown (PC) + accordion (MB) ───────────────────────────── */
.nav-l{display:flex;gap:22px;list-style:none;align-items:center}
.nav-i{position:relative}
.nav-i>a{display:flex;align-items:center;gap:4px;color:var(--tx);font-weight:500;white-space:nowrap;padding:20px 0}
.nav-i>a:hover{color:var(--gold2)}
.nav-i .cv{width:0;height:0;border-left:4px solid transparent;border-right:4px solid transparent;border-top:5px solid var(--mut);transition:transform .18s,border-top-color .18s}
.nav-i:hover .cv,.nav-i:focus-within .cv{transform:rotate(180deg);border-top-color:var(--gold2)}
.sub{position:absolute;top:100%;left:0;z-index:60;min-width:210px;padding:14px 16px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--rad);
  box-shadow:0 18px 40px rgba(0,0,0,.45);
  opacity:0;visibility:hidden;transform:translateY(6px);transition:opacity .16s,transform .16s,visibility .16s}
.nav-i:hover>.sub,.nav-i:focus-within>.sub{opacity:1;visibility:visible;transform:translateY(0)}
.sub.mega{display:grid;grid-template-columns:repeat(4,minmax(150px,1fr));gap:8px 26px;
  left:auto;right:0;width:max-content;max-width:min(94vw,860px)}
.sub-g ul{list-style:none}
.sub-h{display:block;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.7px;
  color:var(--gold2);padding-bottom:7px;margin-bottom:5px;border-bottom:1px solid var(--line)}
.sub-g li>a{display:block;padding:6px 0;color:var(--tx);font-size:14.5px;font-weight:500;white-space:nowrap}
.sub-g li>a:hover{color:var(--gold2)}
/* drawer accordion */
.drw-d{border-bottom:1px solid rgba(30,46,92,.5)}
.drw-d>summary{list-style:none;cursor:pointer;padding:13px 18px;color:var(--tx);font-weight:600;font-size:15px;
  display:flex;justify-content:space-between;align-items:center}
.drw-d>summary::-webkit-details-marker{display:none}
.drw-d>summary::after{content:"";width:0;height:0;border-left:5px solid transparent;border-right:5px solid transparent;border-top:6px solid var(--mut);transition:transform .18s,border-top-color .18s}
.drw-d[open]>summary::after{transform:rotate(180deg);border-top-color:var(--gold2)}
.drw-d[open]>summary{color:var(--gold2);background:var(--card2)}
.drw-d a{display:block;border-bottom:none}   /* <a> trong <details> KHÔNG là flex-item của .drw-n → phải block, nếu không sẽ inline + tràn ngang */
.drw-all{padding:9px 18px 9px 30px!important;font-size:13.5px!important;color:var(--gold2)!important;font-weight:600!important}
.drw-g{display:block;padding:9px 18px 3px 30px;font-size:11px;font-weight:700;text-transform:uppercase;
  letter-spacing:.6px;color:var(--mut)}
.drw-s{padding:9px 18px 9px 30px!important;font-size:14px!important;font-weight:500!important}
@media(max-width:900px){.nav{display:none}}

/* ---------- KHỐI TRẢ LỜI NHANH (home) ----------
   Đáp intent navigational của KW brand ngay trên đầu, trước bài dài. */
.qa{background:linear-gradient(160deg,var(--card2),var(--card));border:1px solid var(--gold);
  border-left:4px solid var(--gold);border-radius:var(--rad);padding:18px 20px;margin:0 0 22px}
.qa-lb{display:inline-block;font-size:11.5px;font-weight:800;letter-spacing:.8px;text-transform:uppercase;
  color:#2a1a05;background:linear-gradient(135deg,var(--gold2),var(--gold));
  padding:3px 10px;border-radius:999px;margin-bottom:10px}
.qa-d{color:#e3ebfb;font-size:15.5px;line-height:1.7;margin:0 0 12px}
.qa-d strong{color:var(--gold2)}
.qa-f{list-style:none;margin:0 0 14px;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:6px 18px}
.qa-f li{color:var(--mut);font-size:14px;line-height:1.5;padding-left:14px;position:relative}
.qa-f li::before{content:"";position:absolute;left:0;top:8px;width:5px;height:5px;border-radius:50%;background:var(--gold)}
.qa-f b{color:var(--tx);font-weight:600}
.qa-cta{display:flex;flex-wrap:wrap;align-items:center;gap:14px}
.qa-sec{font-size:13.5px;font-weight:600;color:var(--gold2)}
@media(max-width:640px){
  .qa{padding:16px}
  .qa-f{grid-template-columns:1fr}
  .qa-d{font-size:15px}
  .qa-cta .btn{flex:1;text-align:center}
}