/* ktvh-course-page v2 (phương án D, 11/11/2026) — nạp SAU style-N.css của bản 2026; mọi selector dưới #ktvh-cp.kv2
   hoặc .kv2-*. Gallery 4:3 ảnh lấp kín khung, ô nhóm kiểu Hoàng Hà, giá gốc gạch dưới giá bán, khung Moodle,
   thanh đáy ≤1000px. KHÔNG dùng ký tự nhỏ-hơn trong file này (LiteSpeed/CSS min). */

/* ---------- gallery ---------- */
#ktvh-cp .kg{margin-bottom:20px}
#ktvh-cp .kg-sr{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
#ktvh-cp .kg-frame{position:relative}
#ktvh-cp .kg-stage{position:relative;width:100%;aspect-ratio:4/3;background:#f7f9fb;overflow:hidden;touch-action:pan-y;outline:0;-webkit-user-select:none;user-select:none}
#ktvh-cp .kg-stage:focus-visible{box-shadow:inset 0 0 0 3px #ffb300}
#ktvh-cp .kg-track{display:flex;height:100%;transition:transform .38s cubic-bezier(.22,.7,.2,1);will-change:transform}
#ktvh-cp .kg-track.kg-drag,#ktvh-cp .kg-track.kg-instant{transition:none}
#ktvh-cp .kg-slide{flex:0 0 100%;width:100%;height:100%;position:relative;overflow:hidden;background:#f7f9fb}
#ktvh-cp .kg-slide>img{display:block;width:100%;height:100%;object-fit:cover;-webkit-user-drag:none;max-width:none}
#ktvh-cp .kg-slide.kg-fade{animation:kg-fade .24s ease-out}
@keyframes kg-fade{from{opacity:0}to{opacity:1}}
/* video trong khung 4:3: 16:9 ở giữa nền tối, tiêu đề dưới */
#ktvh-cp .kg-vslide{background:#0d1b2a;display:flex;flex-direction:column}
#ktvh-cp .kg-vbox{position:relative;flex:1 1 auto;min-height:0;display:flex;align-items:center;justify-content:center;container-type:size}
#ktvh-cp .kg-vin{position:relative;width:100%;width:min(100cqw,100cqh * 16 / 9);aspect-ratio:16/9;background:#000;overflow:hidden}
#ktvh-cp .kg-vin>img{display:block;width:100%;height:100%;object-fit:cover;max-width:none}
#ktvh-cp .kg-vin iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
#ktvh-cp .kg-play{position:absolute;left:50%;top:50%;width:76px;height:76px;margin:-38px 0 0 -38px;border-radius:50%;background:#fff;border:0;padding:0;cursor:pointer;box-shadow:0 6px 24px rgba(0,0,0,.35);display:flex;align-items:center;justify-content:center;transition:transform .15s;min-height:0;line-height:1}
#ktvh-cp .kg-play::after{content:"";border-style:solid;border-width:14px 0 14px 23px;border-color:transparent transparent transparent #e53935;margin-left:6px}
#ktvh-cp .kg-play:hover{transform:scale(1.06);background:#fff}
#ktvh-cp .kg-play:focus-visible{outline:3px solid #ffb300;outline-offset:3px}
#ktvh-cp .kg-vin.kg-playing>img,#ktvh-cp .kg-vin.kg-playing .kg-play{display:none}
#ktvh-cp .kg-vband{flex:0 0 52px;display:flex;align-items:center;padding:0 16px;color:#e8eef5}
#ktvh-cp .kg-vtitle{font-size:13.5px;line-height:1.35;padding-right:70px;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
/* mũi tên tròn nổi hai bên + số thứ tự góc dưới phải */
#ktvh-cp .kg-ctl{position:absolute;inset:0;z-index:3;pointer-events:none}
#ktvh-cp .kg-nav{pointer-events:auto;position:absolute;top:50%;width:44px;height:44px;margin:-22px 0 0;padding:0;border:0;border-radius:50%;background:none;box-shadow:none;cursor:pointer;color:#14263f;display:flex;align-items:center;justify-content:center;min-height:0;line-height:1;text-transform:none;letter-spacing:0;transition:opacity .18s}
#ktvh-cp .kg-nav::before{content:"";position:absolute;inset:var(--kg-ni,0px);border-radius:50%;background:rgba(255,255,255,.94);border:1px solid rgba(20,38,63,.07);box-shadow:0 2px 12px rgba(20,38,63,.22);transition:transform .15s,background-color .15s}
#ktvh-cp .kg-nav svg{position:relative;width:20px;height:20px}
#ktvh-cp .kg-nav:hover{color:#2b7a34;background:none}
#ktvh-cp .kg-nav:hover::before{background:#fff;transform:scale(1.07)}
#ktvh-cp .kg-nav:focus-visible{outline:3px solid #ffb300;outline-offset:1px}
#ktvh-cp .kg-prev{left:12px}
#ktvh-cp .kg-next{right:12px}
#ktvh-cp .kg-cbox{position:absolute;right:12px;bottom:12px;display:flex;align-items:center;gap:8px;pointer-events:none}
#ktvh-cp .kg-count{background:rgba(20,38,63,.78);color:#fff;font-size:12.5px;font-weight:700;line-height:1;border-radius:999px;padding:6px 11px;font-variant-numeric:tabular-nums;letter-spacing:.3px;white-space:nowrap}
#ktvh-cp .kg-ctitle{display:none}
/* người dùng chuột: mũi tên chỉ hiện khi rê vào ảnh để không che chữ trong ảnh; cảm ứng/bàn phím luôn hiện */
@media(min-width:601px){#ktvh-cp.kg-mouse .kg-frame:not(:hover):not(:focus-within) .kg-nav{opacity:0}}
/* ô nhóm kiểu "phiên bản" Hoàng Hà */
#ktvh-cp .kg-thumbs{position:relative;display:grid;grid-template-columns:repeat(var(--kg-n,6),minmax(44px,1fr));gap:8px;padding:8px 12px 12px;overflow-x:auto;scrollbar-width:none;border-top:1px solid var(--kline);background:#fff}
#ktvh-cp .kg-thumbs::-webkit-scrollbar{display:none}
#ktvh-cp .kg-th{display:flex;flex-direction:column;align-items:stretch;gap:3px;padding:4px 4px 5px;margin:0;border:1.5px solid var(--kline);border-radius:10px;background:#fff;cursor:pointer;font:inherit;color:#33414d;text-transform:none;letter-spacing:0;line-height:1.2;min-height:0;min-width:0;box-shadow:none;text-align:center;transition:border-color .15s,box-shadow .15s}
#ktvh-cp .kg-th:hover{border-color:#94ce99;background:#fff}
#ktvh-cp .kg-th:focus-visible{outline:3px solid #ffb300;outline-offset:1px}
#ktvh-cp .kg-th.on{border-color:var(--kg);box-shadow:0 0 0 2px rgba(63,174,73,.22)}
#ktvh-cp .kg-thi{display:grid;place-items:center;height:40px;border-radius:7px;background:var(--kg-gbg,#eef2f6);color:var(--kg-gfg,#33475b)}
#ktvh-cp .kg-thi svg{width:26px;height:26px}
#ktvh-cp .kg-thl{font-size:12px;font-weight:700;line-height:1.2;text-wrap:balance}
#ktvh-cp .kg-thc{margin-top:auto;font-size:10.5px;color:#5f7181;line-height:1.2;white-space:nowrap}
#ktvh-cp .kg-th.on .kg-thl{color:var(--kgd)}
@media(max-width:600px){
  #ktvh-cp .kg-ctl{position:relative;inset:auto;display:flex;align-items:center;gap:2px;min-height:44px;padding:0 2px;background:#fff;border-top:1px solid var(--kline);pointer-events:auto}
  #ktvh-cp .kg-nav{position:relative;top:auto;left:auto;right:auto;margin:0;flex:0 0 44px;--kg-ni:6px}
  #ktvh-cp .kg-nav::before{background:#f2f5f8;border-color:#dbe2ea;box-shadow:none}
  #ktvh-cp .kg-nav svg{width:17px;height:17px}
  #ktvh-cp .kg-cbox{position:static;flex:1 1 auto;min-width:0;justify-content:center;gap:7px}
  #ktvh-cp .kg-count{font-size:11.5px;padding:4px 8px;background:#14263f}
  #ktvh-cp .kg-ctitle{display:block;min-width:0;font-size:12.5px;font-weight:600;color:#33414d;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  #ktvh-cp .kg-play{width:60px;height:60px;margin:-30px 0 0 -30px}
  #ktvh-cp .kg-play::after{border-width:11px 0 11px 18px;margin-left:5px}
  #ktvh-cp .kg-vband{flex-basis:36px;padding:0 10px}
  #ktvh-cp .kg-vtitle{font-size:11.5px;-webkit-line-clamp:1;padding-right:0}
  #ktvh-cp .kg-thumbs{gap:4px;padding:8px}
  #ktvh-cp .kg-th{padding:3px 2px 4px;border-radius:9px;gap:2px}
  #ktvh-cp .kg-thi{height:34px;border-radius:6px}
  #ktvh-cp .kg-thi svg{width:22px;height:22px}
  #ktvh-cp .kg-thl{font-size:10px}
  #ktvh-cp .kg-thc{font-size:9.5px}
}

/* ---------- hộp giá: giá gốc gạch NGAY DƯỚI giá bán, bỏ khối chữ xổ ra ---------- */
#ktvh-cp .kv2-ph{display:block}
#ktvh-cp .kv2-ph .kpnow{display:block}
#ktvh-cp .kv2-oldrow{display:flex;align-items:center;gap:7px;flex-wrap:wrap;margin-top:4px;font-size:13.5px;color:#5f7181}
#ktvh-cp .kv2-oldrow[hidden],#ktvh-cp .kv2-save[hidden],#ktvh-cp .kv2-status[hidden],#ktvh-cp .kv2-mb-o[hidden]{display:none}
#ktvh-cp .kv2-oldrow .kpold{font-size:14px;color:#64748b;text-decoration-thickness:1px}
#ktvh-cp .kv2-oldrow .kboff{font-size:11.5px;border-radius:999px;padding:1px 8px;background:#d32f2f}
#ktvh-cp .kv2-save{display:flex;align-items:center;gap:6px;margin-top:4px;font-size:13px;font-weight:700;color:var(--kgd)}
#ktvh-cp .kv2-save svg{width:15px;height:15px;flex-shrink:0}
#ktvh-cp .kv2-status{margin:6px 0 4px}
#ktvh-cp .kv2 .klbl{margin-top:14px}
#ktvh-cp .kv2 .kopt-body{display:none}
#ktvh-cp .kv2 .kopt-head{padding:12px 13px}
#ktvh-cp .kv2 .knm{font-size:13.5px}
#ktvh-cp .kv2 .kpr b{font-size:14.5px}
#ktvh-cp .kv2 .kpr s{display:block;font-size:11.5px;color:#64748b;text-decoration-thickness:1px;margin-top:1px}
#ktvh-cp .kv2-vtag{display:none;position:absolute;top:-9px;left:12px;align-items:center;gap:4px;background:#fff;color:#2b7a34;border:1px solid #94ce99;font-size:10.5px;font-weight:700;border-radius:4px;padding:0 6px;line-height:1.5}
#ktvh-cp .kv2-vtag svg{width:11px;height:11px}
#ktvh-cp .kopt.kv2-viewing{border-style:dashed;border-color:#6dbb75}
#ktvh-cp .kopt.kv2-viewing .kv2-vtag{display:inline-flex}
#ktvh-cp .kv2-tip{display:flex;align-items:center;gap:6px;margin:-2px 0 10px;font-size:12px;color:#5f7181}
#ktvh-cp .kv2-tip svg{width:14px;height:14px;flex-shrink:0;color:var(--kgd)}
@media(max-width:1000px){#ktvh-cp .kv2-tip svg{transform:rotate(90deg)}}
#ktvh-cp .kv2-group{justify-content:flex-end}
#ktvh-cp .kcommit .kv2-more{border-top:0;margin-top:2px;padding-top:0}
#ktvh-cp .kcommit .kv2-more ul{margin-top:6px}

/* ---------- nội dung gọn chữ ---------- */
#ktvh-cp .kv2 .kclamp{max-height:300px}
#ktvh-cp .kv2-more{margin-top:10px;border-top:1px dashed #cfe6d2;padding-top:4px}
#ktvh-cp .kv2-more>summary{cursor:pointer;color:#2a83e9;font-weight:700;font-size:13px;list-style:none;padding:8px 0;min-height:40px;display:flex;align-items:center}
#ktvh-cp .kv2-more>summary::-webkit-details-marker{display:none}
#ktvh-cp .kv2-more>summary::after{content:"\25BE";margin-left:6px;font-size:11px}
#ktvh-cp .kv2-more[open]>summary::after{content:"\25B4"}
#ktvh-cp .kv2-more>summary:focus-visible{outline:3px solid #ffb300;outline-offset:2px;border-radius:6px}
#ktvh-cp .kv2-faqmore{border-top:0;margin-top:0}
#ktvh-cp .kv2-why{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}
#ktvh-cp .kv2-why div{display:flex;gap:9px;align-items:flex-start;background:#f7f9fb;border:1px solid #e2e8f0;border-radius:11px;padding:10px 12px;font-size:13.5px;font-weight:600;color:#1f2b38;line-height:1.4}
#ktvh-cp .kv2-why svg{flex-shrink:0;margin-top:1px}
#ktvh-cp .kv2-why em{font-style:normal;background:#ffb300;color:#3a2a00;font-size:10px;font-weight:800;border-radius:4px;padding:1px 6px;margin-left:6px;white-space:nowrap}
@media(max-width:1000px){#ktvh-cp .kv2-why{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:600px){#ktvh-cp .kv2-why{grid-template-columns:1fr}}

/* ---------- Lộ trình học & quy trình kế toán (iframe local_ktvhworkflow) ---------- */
#ktvh-cp .kv2-wf-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:14px}
#ktvh-cp .kv2-wf-head .ksechead{margin-bottom:0;min-width:0}
#ktvh-cp .kv2-wf-full{display:inline-flex;align-items:center;gap:6px;min-height:40px;padding:0 12px;border:1.5px solid var(--kline);border-radius:9px;background:#fff;color:#14263f;font-size:13px;font-weight:700;flex-shrink:0;white-space:nowrap}
#ktvh-cp .kv2-wf-full:hover{border-color:var(--kg);color:var(--kgd)}
#ktvh-cp .kv2-wf-full svg{width:16px;height:16px}
#ktvh-cp .kv2-wf-frame{border-top:1px solid var(--kline);background:#faf8f3}
#ktvh-cp .kv2-wf-frame iframe{display:block;width:100%;height:720px;border:0}
#ktvh-cp .kv2-wf-cta{border-top:1px solid var(--kline);padding-top:16px}
#ktvh-cp .kv2-wf-cta p{margin:0 0 10px;color:#42525f}
#ktvh-cp .kv2-wf-cta .kbtno{display:inline-block;padding:10px 16px}
@media(max-width:760px){
  #ktvh-cp .kv2-wf-full span{display:none}
  #ktvh-cp .kv2-wf-full{min-width:44px;min-height:44px;justify-content:center;padding:0 10px}
  #ktvh-cp .kv2-wf-frame iframe{height:min(640px,78vh)}
}

/* ---------- thanh đáy ≤1000px [Gọi][Zalo][giá đang chọn][ĐĂNG KÝ] ---------- */
#ktvh-cp .kv2-mbar{display:none;position:fixed;left:0;right:0;bottom:0;z-index:100000;background:#fff;border-top:1px solid #e2e8f0;box-shadow:0 -4px 18px rgba(0,0,0,.12);padding:7px 8px calc(7px + env(safe-area-inset-bottom,0px));gap:6px;align-items:stretch;font-family:system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;line-height:1.25;color:#1f2b38}
#ktvh-cp .kv2-mb-ic{flex:0 0 46px;min-height:52px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;border:1px solid #e2e8f0;border-radius:10px;color:#33475b;font-size:10.5px;font-weight:700;background:#fff}
#ktvh-cp .kv2-mb-ic svg{width:21px;height:21px}
#ktvh-cp .kv2-mb-call svg{color:#2b7a34}
#ktvh-cp .kv2-mb-zalo svg{color:#0068ff}
#ktvh-cp .kv2-mb-price{flex:1 1 auto;min-width:0;display:flex;align-items:center;gap:4px;margin:0;padding:0 4px 0 6px;border:0;border-radius:10px;background:none;box-shadow:none;text-align:left;font:inherit;color:inherit;cursor:pointer;min-height:52px;text-transform:none;letter-spacing:0;line-height:1.2}
#ktvh-cp .kv2-mb-price:hover,#ktvh-cp .kv2-mb-price:focus{background:none;color:inherit}
#ktvh-cp .kv2-mb-price:active{background:#f2f5f8}
#ktvh-cp .kv2-mb-price>svg{flex:0 0 18px;width:18px;height:18px;color:#5f7181}
#ktvh-cp .kv2-mb-txt{flex:1 1 auto;min-width:0;display:flex;flex-direction:column;justify-content:center;align-items:flex-start;gap:1px}
#ktvh-cp .kv2-mb-txt small{display:block;max-width:100%;font-size:10.5px;color:#5f7181;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
#ktvh-cp .kv2-mb-txt b{font-size:16.5px;color:#e53935;font-weight:800;line-height:1.15;white-space:nowrap}
#ktvh-cp .kv2-mb-closed b{font-size:13px;color:#33414d;white-space:normal}
#ktvh-cp .kv2-mb-o{display:flex;align-items:center;gap:5px;font-size:12px;color:#64748b;white-space:nowrap}
#ktvh-cp .kv2-mb-o s{text-decoration-thickness:1px}
#ktvh-cp .kv2-mb-o em{font-style:normal;background:#d32f2f;color:#fff;font-weight:800;font-size:10px;border-radius:999px;padding:0 5px;line-height:1.5}
#ktvh-cp .kv2-mb-o em:empty{display:none}
#ktvh-cp .kv2-mb-reg{flex:0 0 auto;min-width:96px;padding:0 14px;min-height:52px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#cc4a0a,#bf360c);color:#fff;font-weight:800;font-size:14.5px;border-radius:10px;letter-spacing:.2px;white-space:nowrap}
#ktvh-cp .kv2-mb-reg:hover{color:#fff;filter:brightness(1.06)}
#ktvh-cp .kv2-mbar a:focus-visible,#ktvh-cp .kv2-mbar button:focus-visible{outline:3px solid #ffb300;outline-offset:1px}
@media(max-width:1000px){
  #ktvh-cp .kv2-mbar{display:flex}
  body.ktvh-cp-v2{padding-bottom:calc(68px + env(safe-area-inset-bottom,0px))}
  body.ktvh-cp-v2 .arcontactus-widget{display:none!important}
  #ktvh-cp .kv2-mbar{max-width:none}
}
@media(min-width:761px) and (max-width:1000px){#ktvh-cp .kv2-mb-price{flex:0 1 auto;margin-left:auto}#ktvh-cp .kv2-mb-reg{min-width:180px}}
@media(max-width:350px){#ktvh-cp .kv2-mb-ic{flex-basis:44px}#ktvh-cp .kv2-mb-reg{min-width:84px;padding:0 10px;font-size:13.5px}#ktvh-cp .kv2-mb-txt b{font-size:15px}#ktvh-cp .kv2-mb-price>svg{display:none}}

@media(prefers-reduced-motion:reduce){
  #ktvh-cp .kg-track,#ktvh-cp .kg-nav,#ktvh-cp .kg-nav::before,#ktvh-cp .kg-play,#ktvh-cp .kg-th{transition:none}
  #ktvh-cp .kg-slide.kg-fade{animation:none}
}