/* NVT Fanpage Home - moi lop deu co tien to nvtfh- de khong dung Astra / Elementor. */
.nvtfh{--nvtfh-lk:#1667d9;--nvtfh-chinh:#0b1f3a;--nvtfh-nhan:#f5b301;--nvtfh-nen:#eef1f6;--nvtfh-muc:#0f172a;--nvtfh-nhat:#5b6677;--nvtfh-vien:#e2e7ee;--nvtfh-bong:#f1f4f9;--nvtfh-font:"Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif,"Apple Color Emoji","Segoe UI Emoji","Noto Color Emoji";
  font-family:var(--nvtfh-font);color:var(--nvtfh-muc);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}
.nvtfh *,.nvtfh *::before,.nvtfh *::after{box-sizing:border-box}
.nvtfh a{text-decoration:none;color:inherit}
.nvtfh h1,.nvtfh h2,.nvtfh h3{font-family:var(--nvtfh-font);color:var(--nvtfh-muc);margin:0;letter-spacing:-.01em;text-wrap:balance}
.nvtfh p{margin:0 0 .9em}
.nvtfh ul{list-style:none;margin:0;padding:0}
.nvtfh img{max-width:100%;height:auto}
.nvtfh [hidden]{display:none!important}
.nvtfh [id]{scroll-margin-top:76px}
.nvtfh :focus-visible{outline:3px solid var(--nvtfh-nhan);outline-offset:2px;border-radius:6px}

/* Trang dat shortcode: go khung cua theme de tran chieu ngang */
body.nvtfh-trang{background:var(--nvtfh-nen,#eef1f6)}
body.nvtfh-trang .site-content>.ast-container{max-width:none;padding:0;display:block}
body.nvtfh-trang #primary{margin:0;padding:0;width:100%}
body.nvtfh-trang .ast-article-single,body.nvtfh-trang .ast-article-post{padding:0;margin:0;background:none;border:0}
body.nvtfh-trang .entry-header,body.nvtfh-trang .ast-single-post-order,body.nvtfh-trang .comments-area{display:none}
body.nvtfh-trang .entry-content{margin:0}
@media (prefers-reduced-motion:no-preference){html:has(body.nvtfh-trang){scroll-behavior:smooth}}

/* ---------- Dau trang: anh bia + ho so + tab ---------- */
.nvtfh:not(.nvtfh-don){background:var(--nvtfh-nen)}
.nvtfh-dau{background:#fff;border-bottom:1px solid var(--nvtfh-vien)}
.nvtfh-bia{max-width:1180px;margin:0 auto;aspect-ratio:1920/700;max-height:430px;overflow:hidden;border-radius:0 0 14px 14px;background:var(--nvtfh-chinh)}
.nvtfh-bia img{width:100%;height:100%;object-fit:cover;display:block}
.nvtfh-hoso{max-width:1180px;margin:0 auto;padding:0 20px 20px;display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:22px;align-items:end}
.nvtfh-avatar{width:168px;height:168px;border-radius:50%;border:5px solid #fff;margin-top:-52px;object-fit:cover;background:var(--nvtfh-chinh);box-shadow:0 6px 20px rgba(11,31,58,.18);display:block;position:relative}
.nvtfh-danh{padding-top:16px;min-width:0}
.nvtfh-danh h1{font-size:clamp(22px,2.4vw,27px);line-height:1.2;font-weight:800}
.nvtfh-slogan{margin:6px 0 0!important;font-size:15px;line-height:1.45;font-weight:600;color:var(--nvtfh-chinh);text-wrap:balance}
.nvtfh-vaitro{margin:4px 0 0!important;font-size:14px;line-height:1.55;color:var(--nvtfh-nhat);max-width:46em}
.nvtfh-hd{display:flex;flex-wrap:wrap;gap:8px;justify-content:flex-end;padding-bottom:4px}
.nvtfh .nvtfh-hd .nvtfh-nut{min-height:38px;padding:0 16px;font-size:14px;border-radius:9px}
.nvtfh .nvtfh-nut{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 20px;border:0;border-radius:10px;font-family:var(--nvtfh-font);font-size:15px;font-weight:700;line-height:1.2;cursor:pointer;text-transform:none;letter-spacing:0;box-shadow:none;transition:filter .15s ease,background-color .15s ease}
.nvtfh .nvtfh-nut-chinh{background:var(--nvtfh-nhan);color:#1c1400}
.nvtfh .nvtfh-nut-chinh:hover{filter:brightness(1.07);color:#1c1400;background:var(--nvtfh-nhan)}
.nvtfh .nvtfh-nut-phu{background:#e7ebf2;color:var(--nvtfh-muc)}
.nvtfh .nvtfh-nut-phu:hover{background:#dbe1ea;color:var(--nvtfh-muc)}
.nvtfh .nvtfh-nut[disabled]{opacity:.6;cursor:default;filter:none}
.nvtfh .nvtfh-lk{display:inline-flex;align-items:center;gap:6px;padding:0;border:0;background:none;font-family:var(--nvtfh-font);font-size:14.5px;font-weight:700;color:var(--nvtfh-chinh);cursor:pointer;text-transform:none;letter-spacing:0;box-shadow:none;min-height:32px}
.nvtfh .nvtfh-lk:hover{color:#1d4f91;background:none}
.nvtfh .nvtfh-lk[disabled]{color:var(--nvtfh-nhat);cursor:default}
.nvtfh .nvtfh-lk-mo{color:var(--nvtfh-nhat);font-weight:600}
.nvtfh-tab{position:sticky;top:0;z-index:30;background:#fff;border-top:1px solid var(--nvtfh-vien)}
.nvtfh-tab-trong{max-width:1180px;margin:0 auto;padding:0 12px;display:flex;gap:2px;overflow-x:auto;scrollbar-width:none}
.nvtfh-tab-trong::-webkit-scrollbar{display:none}
.nvtfh-tab a{flex:none;padding:15px 14px 12px;font-size:15px;font-weight:600;color:var(--nvtfh-nhat);border-bottom:3px solid transparent;white-space:nowrap}
.nvtfh-tab a:hover,.nvtfh-tab a.dang{color:var(--nvtfh-chinh);border-bottom-color:var(--nvtfh-nhan)}

/* ---------- Than: hai cot ---------- */
.nvtfh-than{max-width:1180px!important;margin-left:auto!important;margin-right:auto!important;padding:20px 20px 64px;display:grid;grid-template-columns:minmax(0,34fr) minmax(0,66fr);gap:20px;align-items:start}
.nvtfh-trai,.nvtfh-phai{display:grid;gap:20px;min-width:0}
.nvtfh-trai{position:sticky;top:64px}
.nvtfh-ngan-dau,.nvtfh .nvtfh-ngan-nut{display:none}
.nvtfh-the{background:#fff;border:1px solid var(--nvtfh-vien);border-radius:14px;padding:20px;min-width:0}
.nvtfh-the>h2{font-size:19px;font-weight:800;margin-bottom:12px}
.nvtfh-the p{font-size:15.5px;line-height:1.7}
.nvtfh-trucot{display:grid;gap:8px;margin:14px 0 12px!important}
.nvtfh-trucot li{display:flex;align-items:center;gap:12px;padding:10px 12px;background:var(--nvtfh-bong);border-radius:10px;font-size:15px;font-weight:600;line-height:1.35}
.nvtfh-trucot b{flex:none;width:26px;height:26px;border-radius:50%;background:var(--nvtfh-chinh);color:var(--nvtfh-nhan);font-size:13px;display:grid;place-items:center;font-variant-numeric:tabular-nums}
.nvtfh-nho{font-size:14px!important;color:var(--nvtfh-nhat);margin:0!important}
.nvtfh-khoa{display:grid;gap:10px}
.nvtfh-khoa a{display:flex;gap:14px;align-items:flex-start;height:100%;padding:14px;border:1px solid var(--nvtfh-vien);border-radius:12px;transition:border-color .15s ease,background-color .15s ease}
.nvtfh-khoa a:hover{border-color:var(--nvtfh-nhan);background:#fffdf5}
.nvtfh-khoa-ic{flex:none;width:46px;height:46px;border-radius:12px;background:var(--nvtfh-chinh);color:var(--nvtfh-nhan);display:grid;place-items:center}
.nvtfh-khoa-chu{display:grid;gap:3px;min-width:0}
.nvtfh-khoa-chu b{font-size:16px;font-weight:700;line-height:1.3}
.nvtfh-khoa-chu>span{font-size:14.5px;color:var(--nvtfh-nhat);line-height:1.5}
.nvtfh-khoa-chu em{font-style:normal;font-size:14px;font-weight:700;color:var(--nvtfh-chinh);display:inline-flex;align-items:center;gap:5px;margin-top:4px}
.nvtfh-mxh{display:grid;gap:4px}
.nvtfh-mxh a{display:flex;align-items:center;gap:12px;padding:8px;border-radius:10px;font-size:15px;font-weight:600;min-height:44px}
.nvtfh-mxh a:hover{background:var(--nvtfh-bong)}
.nvtfh-mxh-ic{flex:none;width:36px;height:36px;border-radius:50%;background:#e7ebf2;color:var(--nvtfh-chinh);display:grid;place-items:center}
.nvtfh-mxh-ic.nvtfh-youtube{color:#d81f26}.nvtfh-mxh-ic.nvtfh-facebook,.nvtfh-mxh-ic.nvtfh-messenger{color:#1667d9}.nvtfh-mxh-ic.nvtfh-zalo{color:#0a67f2}

/* ---------- Bai moi nhat ---------- */
.nvtfh-bai{padding:20px 20px 4px}
.nvtfh-bai-dau{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.nvtfh-bai-dau img{width:44px;height:44px;border-radius:50%;object-fit:cover;background:var(--nvtfh-chinh)}
.nvtfh-bai-dau b{display:block;font-size:15px;font-weight:600;line-height:1.3}
.nvtfh-bai-dau time{font-size:13px;color:var(--nvtfh-nhat);font-variant-numeric:tabular-nums}
.nvtfh-the>h2.nvtfh-bai-td{font-size:15px;line-height:1.4;font-weight:700;margin-bottom:4px;letter-spacing:0;text-wrap:wrap}
.nvtfh-bai-td a:hover{color:#1d4f91}
.nvtfh-bai-anh{margin:0 -20px 16px}
.nvtfh-bai-anh img{width:100%;display:block}
.nvtfh-bai-nd{font-size:15px;line-height:1.48;color:#1c1e21;overflow-wrap:anywhere}
.nvtfh-bai-gon>p{font-size:15px;line-height:1.42;color:#1c1e21;margin:0;white-space:pre-line}
.nvtfh .nvtfh-bai-gon .nvtfh-bai-them{display:inline;min-height:0;font-size:inherit;font-weight:700;vertical-align:baseline}
.nvtfh-anh-nho{display:flex;gap:8px;margin-top:12px}
.nvtfh .nvtfh-anh-nho button{position:relative;flex:0 0 auto;width:132px;aspect-ratio:4/3;padding:0;border:0;border-radius:10px;overflow:hidden;background:var(--nvtfh-bong);cursor:pointer;display:block;min-height:0}
.nvtfh-anh-nho[data-so="1"] button{width:180px}
.nvtfh-anh-nho img{width:100%;height:100%;object-fit:cover;display:block;border-radius:0}
.nvtfh-anh-nho .la-video::after{content:"";position:absolute;left:50%;top:50%;width:38px;height:38px;margin:-19px 0 0 -19px;border-radius:50%;background:rgba(11,20,35,.72) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='%23fff' d='M9.500 7.500v9l7-4.500z'/%3E%3C/svg%3E") center/22px no-repeat}
.nvtfh-anh-du{position:absolute;inset:0;display:grid;place-items:center;background:rgba(11,20,35,.6);color:#fff;font-size:18px;font-weight:700}
.nvtfh-bai-day .nvtfh-bai-gon-lai{margin:4px 0 2px}
.nvtfh-bai-chan{display:flex;gap:18px;justify-content:space-between;flex-wrap:wrap;margin-top:14px;padding:8px 0 10px;border-top:1px solid var(--nvtfh-vien)}
.nvtfh-bai-bl .nvtfh-bl{margin-top:0;padding-top:12px}
.nvtfh-bai-nd p{font-size:inherit;line-height:inherit;margin:0 0 .8em}
.nvtfh-bai-nd h2{font-size:17px;font-weight:700;line-height:1.35;margin:1.2em 0 .4em}
.nvtfh-bai-nd h3{font-size:15.5px;font-weight:700;line-height:1.4;margin:1em 0 .3em}
.nvtfh-bai-nd ul,.nvtfh-bai-nd ol{margin:0 0 1.1em 1.3em;padding:0;list-style:revert}
.nvtfh-bai-nd li{margin-bottom:.4em}
.nvtfh-bai-nd a,.nvtfh-bai-gon p a,.nvtfh-the>p a,.nvtfh-bl-nd a{color:var(--nvtfh-lk);text-decoration:none;overflow-wrap:anywhere}
.nvtfh-bai-nd a:hover,.nvtfh-bai-gon p a:hover,.nvtfh-the>p a:hover,.nvtfh-bl-nd a:hover{text-decoration:underline;text-underline-offset:3px}
.nvtfh .nvtfh-mxh a>span:last-child{color:var(--nvtfh-lk)}
.nvtfh .nvtfh-khoa-chu em,.nvtfh a.nvtfh-lk:not(.nvtfh-lk-mo){color:var(--nvtfh-lk)}
.nvtfh a.nvtfh-lk:not(.nvtfh-lk-mo):hover{color:#0f4fb0}
.nvtfh-bai-nd img{border-radius:10px;display:block;margin:0 auto}
.nvtfh-bai-nd figure{margin:0 0 1.1em}
.nvtfh-bai-nd blockquote{margin:0 0 1.1em;padding:12px 16px;border-left:4px solid var(--nvtfh-nhan);background:var(--nvtfh-bong);border-radius:0 10px 10px 0}
.nvtfh-bai-nd pre,.nvtfh-bai-nd table{max-width:100%;overflow-x:auto;display:block}

/* ---------- Binh luan ---------- */
.nvtfh-bl{margin-top:16px;padding:14px 0 12px;border-top:1px solid var(--nvtfh-vien)}
.nvtfh-don .nvtfh-bl{margin-top:36px;padding-top:22px}
.nvtfh-bl-dau{display:flex;align-items:center;gap:8px;font-size:17px;font-weight:800;margin-bottom:12px!important}
.nvtfh-bl-so{font-weight:700;color:var(--nvtfh-nhat);font-variant-numeric:tabular-nums}
.nvtfh-bl-so::before{content:"("}.nvtfh-bl-so::after{content:")"}
.nvtfh-bl-them{margin-bottom:8px}
.nvtfh-bl-ds{display:grid;gap:12px}
.nvtfh-bl-muc{display:flex;gap:10px;align-items:flex-start}
.nvtfh-bl-muc.moi .nvtfh-bl-bong{animation:nvtfh-moi 1.6s ease}
@keyframes nvtfh-moi{from{background:#fff3c4}to{background:var(--nvtfh-bong)}}
.nvtfh-mat{flex:none;width:40px;height:40px;border-radius:50%}
.nvtfh-bl-bong{background:var(--nvtfh-bong);border-radius:16px;padding:10px 14px;min-width:0;max-width:100%}
.nvtfh-bl-ten{font-size:14.5px;font-weight:700;line-height:1.3}
.nvtfh-bl-ten span{margin-left:6px;font-size:11.5px;font-weight:700;background:var(--nvtfh-chinh);color:var(--nvtfh-nhan);padding:2px 7px;border-radius:999px;vertical-align:1px}
.nvtfh-bl-nd{font-size:15.5px;line-height:1.6;overflow-wrap:anywhere;margin-top:2px}
.nvtfh-bl-luc{font-size:12.5px;color:var(--nvtfh-nhat);margin-top:4px}
.nvtfh-bl-trong{font-size:15px!important;color:var(--nvtfh-nhat);margin:0 0 4px!important}
.nvtfh-bl-form,.nvtfh-bl-otp{margin-top:12px;padding:12px;border:1px solid var(--nvtfh-vien);border-radius:12px;display:grid;gap:10px;background:#fff}
.nvtfh-bl-form:not([hidden]),.nvtfh-bl-otp:not([hidden]){animation:nvtfh-xo .22s ease-out}
@keyframes nvtfh-xo{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:none}}
.nvtfh .nvtfh-bl-mo{min-height:38px;padding:0 14px;font-size:14px;margin-top:10px}
.nvtfh-bai-bl .nvtfh-bl-mo,.nvtfh-bai-bl .nvtfh-bl-dau,.nvtfh-bai-bl .nvtfh-bl-trong{display:none}
.nvtfh-bl-hang{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.nvtfh-bl label{display:grid;gap:4px;margin:0}
.nvtfh-bl label>span{font-size:13px;font-weight:600;color:var(--nvtfh-muc)}
.nvtfh-bl label em{font-style:normal;font-weight:400;color:var(--nvtfh-nhat)}
.nvtfh .nvtfh-bl input[type=text],.nvtfh .nvtfh-bl input[type=email],.nvtfh .nvtfh-bl textarea{width:100%;min-height:38px;padding:7px 11px;border:1px solid #cbd3de;border-radius:9px;background:#fff;font-family:var(--nvtfh-font);font-size:16px;line-height:1.5;color:var(--nvtfh-muc);box-shadow:none;margin:0}
.nvtfh .nvtfh-bl textarea{resize:vertical;min-height:62px}
.nvtfh .nvtfh-bl-form input[type=text],.nvtfh .nvtfh-bl-form input[type=email],.nvtfh .nvtfh-bl-form textarea{font-size:15px}
.nvtfh .nvtfh-bl-chan .nvtfh-nut{min-height:38px;padding:0 16px;font-size:14px}
.nvtfh .nvtfh-bl input:focus,.nvtfh .nvtfh-bl textarea:focus{border-color:var(--nvtfh-chinh);outline:3px solid rgba(245,179,1,.45);outline-offset:0}
.nvtfh .nvtfh-bl .sai{border-color:#c62828}
.nvtfh-bl-o-web{position:absolute!important;left:-9999px;width:1px;height:1px;overflow:hidden}
.nvtfh-bl-chan{display:flex;gap:14px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.nvtfh-bl-ghi{font-size:12.5px!important;line-height:1.45!important;color:var(--nvtfh-nhat);margin:0!important;flex:1 1 240px}
.nvtfh-bl-otp{border-color:var(--nvtfh-nhan);background:#fffdf5}
.nvtfh-bl-otp-loi{font-size:15.5px!important;margin:0!important}
.nvtfh-bl-otp-hang{display:flex;gap:10px;flex-wrap:wrap}
.nvtfh .nvtfh-bl .nvtfh-bl-otp-o{width:170px;flex:none;text-align:center;font-size:24px;font-weight:700;letter-spacing:.45em;padding-left:.45em;font-variant-numeric:tabular-nums}
.nvtfh-bl-otp-phu{display:flex;gap:20px;flex-wrap:wrap}
.nvtfh-bl-tb{font-size:14.5px!important;font-weight:600;margin:10px 0 0!important;min-height:1.4em}
.nvtfh-bl-tb.loi{color:#b3261e}.nvtfh-bl-tb.tot{color:#1b6e3c}

/* ---------- Bai viet truoc do ---------- */
.nvtfh-luu{min-width:0;padding-top:8px}
.nvtfh-muc{font-size:19px;font-weight:800;margin:0 0 14px!important}
.nvtfh-luu-trong{transition:opacity .15s ease}
.nvtfh-luoi{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.nvtfh-pt{display:flex;flex-wrap:wrap;gap:6px;justify-content:center;margin-top:18px}
.nvtfh .nvtfh-pt button{min-width:40px;height:40px;padding:0 10px;border:1px solid var(--nvtfh-vien);border-radius:10px;background:#fff;color:var(--nvtfh-muc);font-family:var(--nvtfh-font);font-size:15px;font-weight:600;cursor:pointer;box-shadow:none;font-variant-numeric:tabular-nums}
.nvtfh .nvtfh-pt button:hover:not([disabled]):not(.dang){border-color:var(--nvtfh-nhan)}
.nvtfh .nvtfh-pt button.dang{background:var(--nvtfh-chinh);border-color:var(--nvtfh-chinh);color:#fff;cursor:default}
.nvtfh .nvtfh-pt button[disabled]{opacity:.4;cursor:default}
.nvtfh-pt span{align-self:center;color:var(--nvtfh-nhat);padding:0 2px}
.nvtfh-cu{padding:0;overflow:hidden;display:flex;flex-direction:column}
.nvtfh-cu-anh{display:block;aspect-ratio:16/9;background:var(--nvtfh-chinh);overflow:hidden}
.nvtfh-cu-anh img{width:100%;height:100%;object-fit:cover;display:block}
.nvtfh-cu-thay{width:100%;height:100%;display:grid;place-items:center;color:var(--nvtfh-nhan);background:radial-gradient(120% 120% at 100% 0,#16407a 0,var(--nvtfh-chinh) 60%)}
.nvtfh-cu-chu{padding:12px 12px 10px;display:flex;flex-direction:column;gap:5px;flex:1}
.nvtfh-cu-chu time{font-size:13px;color:var(--nvtfh-nhat);font-variant-numeric:tabular-nums}
.nvtfh-cu-chu h3{font-size:15px;font-weight:700;line-height:1.4;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.nvtfh-cu-chu h3 a:hover{color:#1d4f91}
.nvtfh-cu-chu p{font-size:13.5px;line-height:1.55;color:var(--nvtfh-nhat);margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.nvtfh-cu-nut{margin-top:auto;padding-top:8px;display:flex;gap:16px;justify-content:space-between;flex-wrap:wrap}

/* ---------- Hop moi Zalo ---------- */
.nvtfh-hop{position:fixed;inset:0;z-index:2147482000;display:grid;grid-template-columns:minmax(0,1fr);align-items:center;justify-items:center;padding:16px}
.nvtfh-hop-nen{position:absolute;inset:0;background:rgba(11,20,35,.6)}
.nvtfh-hop-khung{position:relative;width:min(440px,100%);max-height:calc(100dvh - 32px);overflow:auto;background:#fff;border-radius:18px;padding:26px 24px 22px;box-shadow:0 24px 60px rgba(0,0,0,.3)}
.nvtfh .nvtfh-hop-x{position:absolute;top:10px;right:10px;width:40px;height:40px;border:0;border-radius:50%;background:#eef1f6;color:var(--nvtfh-muc);display:grid;place-items:center;cursor:pointer;padding:0}
.nvtfh-hop h3{font-size:20px;font-weight:800;line-height:1.35;margin:0 28px 10px 0!important}
.nvtfh-hop p{font-size:15.5px;line-height:1.65;color:#334155}
.nvtfh-hop-ok{display:inline-block;font-size:13.5px!important;font-weight:700;color:#1b6e3c!important;background:#e5f6ec;padding:5px 10px;border-radius:999px;margin-bottom:12px!important}
.nvtfh-hop-qr{display:block;width:200px;height:200px;margin:4px auto 16px;border:1px solid var(--nvtfh-vien);border-radius:12px}
.nvtfh-hop-nut{display:flex;gap:10px;flex-wrap:wrap;margin-top:6px}
.nvtfh-hop-nut .nvtfh-nut{flex:1 1 160px}

/* ---------- Bai viet noi bat: dai truot 3 bai ---------- */
.nvtfh-nb{min-width:0}
.nvtfh-nb-dau{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:0 0 12px}
.nvtfh-nb-dau .nvtfh-muc{margin:0!important}
.nvtfh-nb-mt{display:flex;gap:6px}
.nvtfh .nvtfh-nb-mt button{width:36px;height:36px;padding:0;border:1px solid var(--nvtfh-vien);border-radius:50%;background:#fff;color:var(--nvtfh-muc);font-size:20px;line-height:1;cursor:pointer;box-shadow:none;display:grid;place-items:center}
.nvtfh .nvtfh-nb-mt button:hover{border-color:var(--nvtfh-nhan);background:#fffdf5}
.nvtfh-nb-ray{display:flex;gap:14px;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;-webkit-overflow-scrolling:touch;overscroll-behavior-x:contain;cursor:grab;border-radius:14px}
.nvtfh-nb-ray::-webkit-scrollbar{display:none}
.nvtfh-nb-ray.keo{cursor:grabbing;scroll-snap-type:none;user-select:none}
.nvtfh-nb-ray.keo a{pointer-events:none}
.nvtfh-nb-ray>.nvtfh-cu{flex:0 0 calc((100% - 28px)/3);scroll-snap-align:start;min-width:0}
.nvtfh-nb-the .nvtfh-cu-anh{position:relative}
.nvtfh-nb-nhan{position:absolute;left:8px;top:8px;padding:3px 9px;border-radius:999px;background:var(--nvtfh-nhan);color:#1c1400;font-size:11.500px;font-weight:700;line-height:1.5}
.nvtfh-nb-the .nvtfh-cu-chu{padding-bottom:12px}
@media (min-width:761px) and (max-width:1100px){.nvtfh-nb-ray>.nvtfh-cu{flex-basis:calc((100% - 14px)/2)}}
@media (max-width:760px){
  .nvtfh-nb-ray{gap:10px}
  .nvtfh-nb-ray>.nvtfh-cu{flex-basis:calc((100% - 20px)/2.5);border-radius:10px}
  .nvtfh-nb-the .nvtfh-cu-chu{padding:7px 8px 9px;gap:3px}
  .nvtfh-nb-the .nvtfh-cu-chu time{font-size:10.500px}
  .nvtfh-nb-the .nvtfh-cu-chu h3{font-size:12.500px;line-height:1.35;-webkit-line-clamp:3}
  .nvtfh-nb-nhan{left:5px;top:5px;padding:1px 6px;font-size:9.500px}
  .nvtfh-nb-the .nvtfh-cu-thay .nvtfh-ic{width:22px;height:22px}
}
/* ---------- Trang bai viet don: an cot ben, bai can giua, the trang tren nen xam xanh ---------- */
body.nvtfh-bai-don{background:#eef1f6}
body.nvtfh-bai-don #secondary{display:none}
body.nvtfh-bai-don .site-content>.ast-container{max-width:860px;display:block}
body.nvtfh-bai-don #primary{width:100%;float:none;margin:0;padding:32px 0 64px;border:0}
body.nvtfh-bai-don .ast-article-single,body.nvtfh-bai-don.ast-separate-container .ast-article-single{background:#fff;border:1px solid #e2e7ee;border-radius:18px;padding:40px 48px 44px;margin:0;font-family:"Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif}
body.nvtfh-bai-don .entry-header{margin:0 0 22px}
body.nvtfh-bai-don .entry-title{font-family:inherit;font-size:clamp(26px,3.800vw,36px);line-height:1.22;font-weight:800;letter-spacing:-.02em;color:#0f172a;text-wrap:balance;margin:0 0 12px}
body.nvtfh-bai-don .entry-meta,body.nvtfh-bai-don .entry-meta *{font-family:inherit;font-size:14px;color:#5b6677}
body.nvtfh-bai-don .post-thumb-img-content img,body.nvtfh-bai-don .post-thumb img{border-radius:14px;width:100%;height:auto;display:block}
body.nvtfh-bai-don .entry-content{font-family:inherit;font-size:17.500px;line-height:1.8;color:#1f2937;overflow-wrap:anywhere}
body.nvtfh-bai-don .entry-content>p{margin:0 0 1.2em}
body.nvtfh-bai-don .entry-content>h2{font-family:inherit;font-size:25px;line-height:1.3;font-weight:800;letter-spacing:-.01em;color:#0f172a;margin:1.800em 0 .6em;text-wrap:balance}
body.nvtfh-bai-don .entry-content>h3{font-family:inherit;font-size:20px;line-height:1.4;font-weight:700;color:#0f172a;margin:1.5em 0 .5em}
body.nvtfh-bai-don .entry-content>p a,body.nvtfh-bai-don .entry-content>ul a,body.nvtfh-bai-don .entry-content>ol a{color:#1667d9;text-decoration:none}
body.nvtfh-bai-don .entry-content>p a:hover,body.nvtfh-bai-don .entry-content>ul a:hover,body.nvtfh-bai-don .entry-content>ol a:hover{text-decoration:underline;text-underline-offset:3px}
body.nvtfh-bai-don .entry-content>ul,body.nvtfh-bai-don .entry-content>ol{margin:0 0 1.3em 1.3em;padding:0}
body.nvtfh-bai-don .entry-content>ul>li,body.nvtfh-bai-don .entry-content>ol>li{margin:0 0 .5em}
body.nvtfh-bai-don .entry-content>ul>li::marker,body.nvtfh-bai-don .entry-content>ol>li::marker{color:#b97f00;font-weight:700}
body.nvtfh-bai-don .entry-content>blockquote{margin:1.5em 0;padding:16px 20px;border:0;border-left:4px solid #f5b301;background:#f1f4f9;border-radius:0 12px 12px 0;font-style:normal;color:#0f172a}
body.nvtfh-bai-don .entry-content img{border-radius:12px;height:auto}
body.nvtfh-bai-don .entry-content iframe{max-width:100%}
body.nvtfh-bai-don .entry-content>figure{margin:0 0 1.3em}
body.nvtfh-bai-don .post-navigation{margin:22px 0 0;padding:0;border:0;font-family:"Be Vietnam Pro",system-ui,sans-serif}
body.nvtfh-bai-don .post-navigation .nav-links{display:grid;grid-template-columns:1fr 1fr;gap:14px}
body.nvtfh-bai-don .post-navigation .nav-previous,body.nvtfh-bai-don .post-navigation .nav-next{width:auto;float:none;margin:0;border:0;text-align:left}
body.nvtfh-bai-don .post-navigation .nav-next{grid-column:2;text-align:right}
body.nvtfh-bai-don .post-navigation a{display:block;height:100%;max-width:none;padding:14px 18px;background:#fff;border:1px solid #e2e7ee;border-radius:14px;color:#0f172a;font-size:14px;font-weight:700;text-decoration:none;overflow:hidden;text-overflow:ellipsis}
body.nvtfh-bai-don .post-navigation a:hover{border-color:#f5b301}
body.nvtfh-bai-don .post-navigation p{margin:4px 0 0;font-size:14.500px;font-weight:500;color:#334155;white-space:normal}
body.nvtfh-bai-don .nvtfh-don .nvtfh-cta{margin-top:28px}
@media (max-width:640px){
  body.nvtfh-bai-don #primary{padding:14px 0 40px}
  body.nvtfh-bai-don .site-content>.ast-container{padding-left:12px;padding-right:12px}
  body.nvtfh-bai-don .ast-article-single,body.nvtfh-bai-don.ast-separate-container .ast-article-single{padding:24px 18px 28px;border-radius:14px}
  body.nvtfh-bai-don .entry-content{font-size:17px;line-height:1.75}
  body.nvtfh-bai-don .entry-content>h2{font-size:22px}
  body.nvtfh-bai-don .post-navigation .nav-links{grid-template-columns:1fr}
  body.nvtfh-bai-don .post-navigation .nav-next{grid-column:1;text-align:left}
}
/* ---------- Hinh pheu dong (the Gioi thieu) ---------- */
.nvtfh-pheu{display:block;width:100%;max-width:300px;height:auto;margin:6px auto 16px;overflow:visible}
.nvtfh-pheu-chu{font-family:var(--nvtfh-font);font-size:18px;font-weight:800;text-anchor:middle;letter-spacing:-.01em}
.nvtfh-pheu-nguon>g{animation:nvtfh-roi 3s ease-in infinite both}
.nvtfh-pheu-sang{opacity:0;pointer-events:none;animation:nvtfh-nhay 3s ease-in-out infinite both}
.nvtfh-pheu-hat circle{opacity:0;animation:nvtfh-hat 3.200s cubic-bezier(.45,.05,.55,.95) infinite both}
.nvtfh-pheu-chay{fill:none;stroke:var(--nvtfh-nhan);stroke-width:3;stroke-linecap:round;stroke-dasharray:3 6;animation:nvtfh-chay .7s linear infinite}
.nvtfh-pheu-mt{fill:none;stroke:var(--nvtfh-nhan);stroke-width:3.500;stroke-linecap:round;stroke-linejoin:round;animation:nvtfh-mt 1.400s ease-in-out infinite both}
.nvtfh-pheu-xu>g{opacity:0;animation:nvtfh-xu 2.700s ease-in infinite both}
@keyframes nvtfh-roi{0%{transform:translateY(-8px);opacity:0}18%{transform:translateY(0);opacity:1}62%{transform:translateY(0);opacity:1}100%{transform:translateY(26px);opacity:0}}
@keyframes nvtfh-nhay{0%,48%,100%{opacity:0}16%{opacity:.42}}
@keyframes nvtfh-hat{0%{transform:translate(0,0);opacity:0}10%{opacity:.95}88%{opacity:.9}100%{transform:translate(var(--dx),236px);opacity:0}}
@keyframes nvtfh-chay{to{stroke-dashoffset:-18}}
@keyframes nvtfh-mt{0%{transform:translateY(-5px);opacity:0}45%{opacity:1}100%{transform:translateY(6px);opacity:0}}
@keyframes nvtfh-xu{0%{transform:translateY(-22px);opacity:0}25%{opacity:1}75%{opacity:1}100%{transform:translateY(34px);opacity:0}}
@media (prefers-reduced-motion:reduce){.nvtfh-pheu-sang{opacity:0}.nvtfh-pheu-hat circle{opacity:0}.nvtfh-pheu-nguon>g,.nvtfh-pheu-xu>g{opacity:1}}
/* ---------- Hop moi cuoi bai viet don ---------- */
.nvtfh-cta{margin:40px 0 0;padding:28px 28px 30px;border-radius:18px;background:var(--nvtfh-chinh);color:#fff}
.nvtfh-cta strong{display:block;font-size:22px;line-height:1.35;font-weight:800;color:#fff;margin:0 0 8px;text-wrap:balance}
.nvtfh .nvtfh-cta p{font-size:16px;line-height:1.65;color:#cbd5e1;margin:0 0 20px}
.nvtfh-cta-nut{display:flex;flex-wrap:wrap;align-items:stretch;gap:12px}
.nvtfh .nvtfh-cta .nvtfh-nut{min-height:56px;padding:8px 26px;flex-direction:column;gap:2px;line-height:1.3;text-align:center}
.nvtfh .nvtfh-cta .nvtfh-nut-vien{background:transparent;border:1px solid #5b6b85;color:#fff}
.nvtfh .nvtfh-cta .nvtfh-nut-vien:hover{border-color:#fff;color:#fff;background:transparent}
.nvtfh-cta small{display:block;font-size:12.5px;font-weight:500;color:#cbd5e1;font-variant-numeric:tabular-nums}
@media (max-width:640px){.nvtfh-cta{padding:22px 18px 24px;border-radius:14px}.nvtfh-cta strong{font-size:20px}.nvtfh .nvtfh-cta .nvtfh-nut{width:100%}}
/* ---------- Hop dang ky ban tin (dung chung khung .nvtfh-hop + o nhap cua binh luan) ---------- */
.nvtfh-bt-form{display:grid;gap:12px;margin:0;padding:0;border:0}
.nvtfh-bt-form h3{margin-bottom:0!important}
.nvtfh-bt-form p{margin:0}
.nvtfh-bt-form .nvtfh-bl-tb{margin:0!important;min-height:0}
.nvtfh-bt-form .nvtfh-hop-nut{margin-top:2px}
/* Nut len dau trang cua theme: nhuong goc phai duoi cho nut khung chat */
body.nvtfh-trang #ast-scroll-top{bottom:96px}
/* ---------- Man hinh vua: nut hanh dong xuong hang rieng de ten khong bi ep ---------- */
@media (max-width:1180px){
  .nvtfh-hoso{grid-template-columns:auto minmax(0,1fr)}
  .nvtfh-hd{grid-column:1/-1;justify-content:flex-start;padding-bottom:0}
}
/* ---------- May tinh bang ngang / laptop nho: cot bai viet hep -> bai truoc do con 2 cot cho the khong bi bop ---------- */
@media (min-width:901px) and (max-width:1100px){.nvtfh-luoi{grid-template-columns:repeat(2,minmax(0,1fr))}}
/* ---------- May tinh bang doc (mot cot): khoa hoc 2 cot, lien he 3 cot cho can doi ---------- */
@media (min-width:600px) and (max-width:900px){
  .nvtfh-khoa{grid-template-columns:repeat(2,minmax(0,1fr))}
  .nvtfh-mxh{grid-template-columns:repeat(3,minmax(0,1fr))}
}
/* ---------- Man hinh nho ---------- */
@media (max-width:900px){
  .nvtfh-than{grid-template-columns:minmax(0,1fr);padding:16px 14px 48px;gap:16px}
  .nvtfh-trai{position:static}
  .nvtfh-luoi{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
  .nvtfh-trai{display:contents}
  #gioi-thieu{order:1}#khoa-hoc{order:2}.nvtfh-phai{order:3;gap:16px}#lien-he{order:4}
}
@media (max-width:760px){
  .nvtfh-bia{border-radius:0;aspect-ratio:16/8}
  .nvtfh-hoso{grid-template-columns:minmax(0,1fr);justify-items:center;text-align:center;gap:10px;padding:0 16px 16px}
  .nvtfh-avatar{width:128px;height:128px;margin-top:-64px;border-width:4px}
  .nvtfh-danh{padding-top:0}
  .nvtfh-vaitro{margin-left:auto!important;margin-right:auto!important}
  .nvtfh-hd{justify-content:center;width:100%;padding-top:6px}
  .nvtfh .nvtfh-hd .nvtfh-nut{flex:1 1 130px;padding:0 12px;min-height:42px}
  .nvtfh .nvtfh-hd .nvtfh-nut-chinh{flex:1 1 100%}
  .nvtfh-luoi{grid-template-columns:minmax(0,1fr)}
  .nvtfh-muc{font-size:19px}
  .nvtfh-the{padding:16px;border-radius:12px}
  .nvtfh-bai{padding:16px 16px 2px}
  .nvtfh .nvtfh-anh-nho button{width:auto;flex:1 1 0;max-width:118px}
  .nvtfh-anh-nho[data-so="1"] button{max-width:150px}
  .nvtfh-bai-anh{margin:0 -16px 14px}
  .nvtfh-cu{padding:0}
  .nvtfh-bl-hang{grid-template-columns:minmax(0,1fr)}
  .nvtfh .nvtfh-bl-form input[type=text],.nvtfh .nvtfh-bl-form input[type=email],.nvtfh .nvtfh-bl-form textarea{font-size:16px}
  .nvtfh-bl-chan .nvtfh-nut{width:100%}
  .nvtfh .nvtfh-bl .nvtfh-bl-otp-o{flex:1 1 150px}
  .nvtfh-bl-otp-hang .nvtfh-nut{flex:1 1 120px}
}
/* ---------- Dien thoai: cot trai thanh ngan keo truot tu ben trai; bai truoc do 2 cot x 3 dong ---------- */
@media (max-width:760px){
  .nvtfh-trai{display:grid;position:fixed;top:0;left:0;bottom:0;z-index:2147483200;width:min(88vw,360px);gap:14px;align-content:start;
    padding:0 12px 24px;background:var(--nvtfh-nen);overflow-y:auto;overscroll-behavior:contain;transform:translateX(-105%);visibility:hidden;
    transition:transform .26s ease,visibility 0s linear .26s;box-shadow:8px 0 30px rgba(11,20,35,.25)}
  .nvtfh-trai.mo{transform:none;visibility:visible;transition:transform .26s ease}
  .nvtfh-ngan-dau{display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:2;margin:0 -12px;padding:10px 8px 10px 16px;background:#fff;border-bottom:1px solid var(--nvtfh-vien);font-size:16px}
  .nvtfh .nvtfh-ngan-dong{width:40px;height:40px;border:0;border-radius:50%;background:#eef1f6;color:var(--nvtfh-muc);display:grid;place-items:center;padding:0;cursor:pointer;box-shadow:none}
  .nvtfh-ngan-nen{position:fixed;inset:0;z-index:2147483100;background:rgba(11,20,35,.5)}
  .nvtfh .nvtfh-ngan-nut{display:inline-flex;align-items:center;gap:8px;position:fixed;left:12px;bottom:22px;z-index:900;min-height:46px;padding:0 16px 0 13px;border:0;border-radius:999px;
    background:var(--nvtfh-chinh);color:#fff;font-family:var(--nvtfh-font);font-size:14.500px;font-weight:700;cursor:pointer;box-shadow:0 8px 22px rgba(11,31,58,.35)}
  .nvtfh .nvtfh-ngan-nut .nvtfh-ic{color:var(--nvtfh-nhan)}
  .nvtfh-phai{order:0}
  .nvtfh-luoi{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
  .nvtfh-cu-chu{padding:9px 10px 8px;gap:4px}
  .nvtfh-cu-chu time{font-size:11.500px}
  .nvtfh-cu-chu h3{font-size:13.500px;line-height:1.38;-webkit-line-clamp:3}
  .nvtfh-cu-chu p{display:none}
  .nvtfh-cu-nut{padding-top:4px}
  .nvtfh-cu-nut .nvtfh-lk{font-size:13px;min-height:28px}
  .nvtfh-than{padding-bottom:84px}
}
@media (prefers-reduced-motion:reduce){.nvtfh *{transition:none!important;animation:none!important}}