/* Tim font tieng Viet (/font-tieng-viet, resources/views/fonts). Giao dien do phien ColorME SEO thiet ke, chu duyet 07/10/2026
   (ban goc: ~/colorme-seo/fonts/app/app.css). Chuyen sang trang that: moi lop them tien to fv- va nam trong .ftv de khong dung lop cua trang
   (.container, .modal, .row...). Cac thiet ke mau (cm-fonts-demos.css) chay trong shadow DOM cua tung o (.fv-tile), khong chiu anh huong CSS cua trang. */
.ftv{--tx:#0f1012;--mu:#6e7178;--ac:#F15A24;--bd:#e9e9e7;--bg:#ffffff;--sf:#f6f6f4;--r:12px;font-family:'Be Vietnam Pro',-apple-system,'Segoe UI',Arial,sans-serif;font-size:15px;line-height:1.5;color:var(--tx);background:var(--bg);-webkit-font-smoothing:antialiased}
.ftv *{box-sizing:border-box}
.ftv a{color:inherit;text-decoration:none}
.ftv button,.ftv input,.ftv select{font:inherit;color:inherit}
.ftv h1,.ftv h2,.ftv h3{font-weight:700;color:inherit}
.ftv small{font-size:smaller}
.ftv label{margin:0;display:inline}
.ftv dl,.ftv dd,.ftv figure{margin:0}
.ftv svg.icon{width:16px;height:16px;flex:none}
.ftv .fv-pv-note{background:#fff7e6;color:#8a5a00;font-size:13px;padding:8px 14px;border-radius:10px;margin:14px 0 0}
/* O thiet ke mau: phan tu chua shadow root */
.ftv .fv-tile{display:block;width:100%}
.ftv .fv-dg .fv-tile{cursor:zoom-in}
.ftv .fv-lbx .fv-tile{width:min(92vw,calc(86vh*0.8))}
.ftv .fv-container{width:100%;max-width:1320px;margin:0 auto;padding:0 12px}
@media(max-width:1343px){.ftv .fv-container{width:100%;padding:0 24px}
}
@media(max-width:600px){.ftv .fv-container{width:100%;padding:0 16px}
}
.ftv svg.fv-i{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round;flex:none}
.ftv .fv-ov{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--mu);font-weight:500}
.ftv .fv-hero{display:grid;grid-template-columns:1.4fr 1fr;gap:40px;align-items:end;padding:56px 0 36px}
.ftv .fv-hero h1{font-size:56px;line-height:1.02;letter-spacing:-.035em;font-weight:700;margin:14px 0 0}
.ftv .fv-hero p{color:var(--mu);margin:0;max-width:440px;font-size:16px;line-height:1.55}
.ftv .fv-hero .fv-st{display:flex;gap:28px;margin-top:18px}
.ftv .fv-hero .fv-st b{display:block;font-size:22px;font-weight:600;letter-spacing:-.02em}
.ftv .fv-hero .fv-st span{font-size:12.5px;color:var(--mu)}
@media(max-width:900px){.ftv .fv-hero{grid-template-columns:1fr;gap:16px;padding:32px 0 22px}
.ftv .fv-hero h1{font-size:38px}
}
.ftv .fv-bar{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.94);backdrop-filter:blur(10px);border-top:1px solid var(--bd);border-bottom:1px solid var(--bd)}
.ftv .fv-bar .fv-in{display:grid;grid-template-columns:1fr 220px 150px 170px;align-items:stretch}
.ftv .fv-fld{display:flex;align-items:center;gap:10px;height:56px;padding:0 16px;border-left:1px solid var(--bd);min-width:0;color:var(--mu)}
.ftv .fv-fld:first-child{border-left:0;padding-left:0}
.ftv .fv-fld input, .ftv .fv-fld select{border:0;outline:0;background:none;width:100%;height:100%;min-width:0;color:var(--tx)}
.ftv .fv-fld input::placeholder{color:#a3a5aa}
.ftv .fv-fld #fv-txt{font-size:17px}
.ftv .fv-fld label{font-size:12.5px;white-space:nowrap}
.ftv .fv-fld input[type=range]{accent-color:var(--tx)}
.ftv .fv-fld select{appearance:none;cursor:pointer}
@media(max-width:900px){.ftv .fv-bar .fv-in{grid-template-columns:1fr 1fr}
.ftv .fv-bar .fv-in .fv-fld:first-child{grid-column:1/3;border-bottom:1px solid var(--bd)}
.ftv .fv-bar .fv-in .fv-fld:nth-child(2){border-left:0;padding-left:0}
.ftv .fv-bar .fv-in .fv-fld:nth-child(3){display:none}
.ftv .fv-fld{height:48px}
}
.ftv .fv-chips{display:flex;gap:6px;overflow-x:auto;padding:18px 0 6px;scrollbar-width:none;align-items:center}
.ftv .fv-chips::-webkit-scrollbar{display:none}
.ftv .fv-chip{border:1px solid transparent;border-radius:99px;padding:7px 14px;font-size:14px;white-space:nowrap;cursor:pointer;color:var(--mu);font-weight:500}
.ftv .fv-chip:hover{color:var(--tx)}
.ftv .fv-chip small{font-weight:400;margin-left:5px;font-size:12px;opacity:.7}
.ftv .fv-chip.on{background:var(--tx);color:#fff}
.ftv .fv-sep{width:1px;height:18px;background:var(--bd);margin:0 8px;flex:none}
.ftv .fv-meta-row{display:flex;justify-content:space-between;color:var(--mu);font-size:13px;margin:10px 0 18px}
.ftv .fv-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:36px 20px}
@media(max-width:1200px){.ftv .fv-grid{grid-template-columns:repeat(3,1fr)}
}
@media(max-width:820px){.ftv .fv-grid{grid-template-columns:repeat(2,1fr);gap:26px 14px}
}
@media(max-width:520px){.ftv .fv-grid{grid-template-columns:1fr}
}
.ftv .fv-fc{display:block;min-width:0;position:relative}
.ftv .fv-fc .fv-th{aspect-ratio:4/5;border-radius:var(--r);background:var(--sf);overflow:hidden;display:grid;place-items:center;transition:transform .25s ease}
.ftv .fv-fc:hover .fv-th{transform:translateY(-3px)}
.ftv .fv-fc .fv-th .demo{margin:0;width:100%}
.ftv .fv-fc .fv-th figcaption{display:none}
.ftv .fv-fc .fv-th .d{border-radius:0}
.ftv .fv-fc .fv-th .fv-pv{font-size:var(--pv,34px);line-height:1.2;padding:24px;text-align:center;overflow-wrap:anywhere;max-height:100%;overflow:hidden}
.ftv .fv-fc .fv-ft{display:flex;align-items:flex-start;gap:10px;padding-top:12px}
.ftv .fv-fc .fv-nm{font-size:19px;line-height:1.25;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ftv .fv-fc .fv-mt{font-size:12.5px;color:var(--mu);margin-top:2px}
.ftv .fv-fc .fv-ft>div{min-width:0;flex:1}
.ftv .fv-fc .fv-cmp{border:1px solid var(--bd);background:#fff;border-radius:99px;font-size:12px;padding:5px 11px;cursor:pointer;white-space:nowrap;color:var(--mu)}
.ftv .fv-fc .fv-cmp:hover{color:var(--tx);border-color:#c9c9c6}
.ftv .fv-fc .fv-cmp.on{background:var(--tx);color:#fff;border-color:var(--tx)}
.ftv .fv-more{display:block;margin:44px auto 0;border:1px solid var(--tx);background:#fff;border-radius:99px;padding:12px 26px;font-weight:600;cursor:pointer}
.ftv .fv-more:hover{background:var(--tx);color:#fff}
.ftv .fv-tray{position:fixed;left:50%;bottom:20px;transform:translateX(-50%);background:var(--tx);color:#fff;border-radius:99px;padding:8px 8px 8px 20px;display:none;align-items:center;gap:12px;z-index:30;box-shadow:0 16px 40px rgba(0,0,0,.22);max-width:calc(100vw - 24px)}
.ftv .fv-tray.on{display:flex}
.ftv .fv-tray span{font-size:13.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.ftv .fv-tray button{border:0;border-radius:99px;padding:9px 16px;font-weight:600;cursor:pointer}
.ftv .fv-tray .fv-go{background:#fff;color:var(--tx)}
.ftv .fv-tray .fv-x{background:none;color:#b9bbc0}
.ftv .fv-modal{position:fixed;inset:0;background:rgba(15,16,18,.5);display:none;align-items:center;justify-content:center;z-index:40;padding:16px}
.ftv .fv-modal.on{display:flex}
.ftv .fv-modal .fv-box{background:#fff;border-radius:18px;max-width:1100px;width:100%;max-height:90vh;overflow:auto;padding:26px 30px}
.ftv .fv-cmpg .fv-r{display:grid;grid-template-columns:170px 1fr;gap:18px;align-items:center;border-top:1px solid var(--bd);padding:20px 0}
.ftv .fv-cmpg .fv-r b{font-size:13.5px;font-weight:600}
.ftv .fv-cmpg .fv-r div{font-size:44px;line-height:1.2;overflow-wrap:anywhere}
@media(max-width:700px){.ftv .fv-cmpg .fv-r{grid-template-columns:1fr;gap:4px}
.ftv .fv-cmpg .fv-r div{font-size:30px}
}
.ftv .fv-seo{border-top:1px solid var(--bd);margin:72px 0 0;padding:44px 0 72px;display:grid;grid-template-columns:320px 1fr;gap:40px}
.ftv .fv-seo h2{font-size:26px;line-height:1.15;letter-spacing:-.02em;margin:10px 0 0}
.ftv .fv-seo p{margin:0;color:#3d4046}
.ftv .fv-seo h3{font-size:15.5px;margin:0 0 4px}
.ftv .fv-seo .fv-faq{display:grid;grid-template-columns:1fr 1fr;gap:26px 40px;margin-top:28px}
@media(max-width:900px){.ftv .fv-seo{grid-template-columns:1fr;gap:16px}
.ftv .fv-seo .fv-faq{grid-template-columns:1fr}
}
.ftv .fv-crumb{font-size:13px;color:var(--mu);padding:22px 0 0}
.ftv .fv-crumb a:hover{color:var(--tx)}
.ftv .fv-fhero{padding:26px 0 0}
.ftv .fv-fhero h1{font-size:15px;font-weight:500;color:var(--mu);margin:0 0 6px;letter-spacing:0}
.ftv .fv-fhero .fv-name{font-size:clamp(54px,11vw,150px);line-height:1;letter-spacing:-.01em;margin:0 0 10px -.03em;overflow-wrap:anywhere}
.ftv .fv-fhero .fv-lead{font-size:18px;line-height:1.5;max-width:720px;color:#2c2e33;margin:18px 0 22px}
.ftv .fv-cta{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.ftv .fv-b1, .ftv .fv-b2{display:inline-flex;align-items:center;gap:8px;border-radius:99px;padding:12px 20px;font-weight:600;cursor:pointer;border:1px solid transparent;font-size:14.5px}
.ftv .fv-b1{background:var(--ac);color:#fff}
.ftv .fv-b2{background:#fff;border-color:#d9d9d6}
.ftv .fv-b2:hover{border-color:var(--tx)}
.ftv .fv-b3{background:var(--tx);color:#fff}
.ftv .fv-facts{display:grid;grid-template-columns:repeat(5,1fr);border-top:1px solid var(--bd);border-bottom:1px solid var(--bd);margin:34px 0 0}
.ftv .fv-facts div{padding:16px 16px 16px 0;border-left:1px solid var(--bd);padding-left:16px;min-width:0}
.ftv .fv-facts div:first-child{border-left:0;padding-left:0}
.ftv .fv-facts dt{font-size:12px;color:var(--mu);letter-spacing:.06em;text-transform:uppercase}
.ftv .fv-facts dd{margin:4px 0 0;font-weight:500;font-size:14.5px;display:flex;gap:6px;align-items:center}
.ftv .fv-facts dd a{border-bottom:1px solid #cfcfcc}
.ftv .fv-facts .ok svg{color:#1f8f4e}
@media(max-width:900px){.ftv .fv-facts{grid-template-columns:1fr 1fr}
.ftv .fv-facts div{border-left:0;padding-left:0;border-top:1px solid var(--bd)}
.ftv .fv-facts div:nth-child(-n+2){border-top:0}
.ftv .fv-fhero .fv-lead{font-size:16px}
}
.ftv .fv-sec{display:grid;grid-template-columns:260px 1fr;gap:40px;padding:56px 0;border-bottom:1px solid var(--bd)}
.ftv .fv-sec:last-of-type{border-bottom:0}
.ftv .fv-sec>header h2{font-size:24px;line-height:1.15;letter-spacing:-.02em;margin:8px 0 8px}
.ftv .fv-sec>header p{color:var(--mu);font-size:14px;margin:0}
.ftv .fv-sec>div{min-width:0}
.ftv .fv-sec.wide{grid-template-columns:1fr;gap:22px}
.ftv .fv-sec.wide>header{display:flex;justify-content:space-between;align-items:end;gap:20px}
.ftv .fv-sec.wide>header p{max-width:360px;text-align:right}
@media(max-width:900px){.ftv .fv-sec{grid-template-columns:1fr;gap:16px;padding:36px 0}
.ftv .fv-sec.wide>header{display:block}
.ftv .fv-sec.wide>header p{text-align:left}
}
.ftv .fv-dg{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
@media(max-width:1100px){.ftv .fv-dg{grid-template-columns:repeat(3,1fr)}
}
@media(max-width:700px){.ftv .fv-dg{grid-template-columns:repeat(2,1fr);gap:12px}
}
.ftv .fv-dg .demo{margin:0;cursor:zoom-in}
.ftv .fv-dg figcaption{font-size:12.5px;color:var(--mu);margin-top:8px}
.ftv .fv-dg .d{border-radius:var(--r)}
.ftv .fv-tctl{display:flex;flex-wrap:wrap;gap:0;border:1px solid var(--bd);border-radius:var(--r) var(--r) 0 0;border-bottom:0}
.ftv .fv-tctl .fv-fld{height:50px;flex:none}
.ftv .fv-tctl .fv-fld.g{flex:1;min-width:200px;padding-left:16px}
.ftv .fv-tctl .fv-fld:first-child{border-left:0}
.ftv .fv-seg{display:inline-flex;height:50px;border-left:1px solid var(--bd)}
.ftv .fv-seg button{border:0;background:none;padding:0 14px;cursor:pointer;font-size:13.5px;color:var(--mu)}
.ftv .fv-seg button.on{color:var(--tx);font-weight:600}
.ftv .fv-stage{border:1px solid var(--bd);border-radius:0 0 var(--r) var(--r);padding:36px 28px;overflow-wrap:anywhere;min-height:180px;outline:0}
.ftv .fv-stage.dk{background:var(--tx);color:#fff;border-color:var(--tx)}
.ftv .fv-wl .fv-r{display:grid;grid-template-columns:130px 1fr;gap:14px;align-items:baseline;border-top:1px solid var(--bd);padding:16px 0}
.ftv .fv-wl .fv-r:first-child{border-top:0;padding-top:0}
.ftv .fv-wl .fv-r span{font-size:12.5px;color:var(--mu)}
.ftv .fv-wl .fv-r b{font-weight:inherit;font-size:30px;line-height:1.25;overflow-wrap:anywhere}
@media(max-width:600px){.ftv .fv-wl .fv-r{grid-template-columns:1fr;gap:0}
.ftv .fv-wl .fv-r b{font-size:23px}
}
.ftv .fv-gl{display:grid;grid-template-columns:repeat(auto-fill,minmax(52px,1fr));border-top:1px solid var(--bd);border-left:1px solid var(--bd)}
.ftv .fv-gl i{font-style:normal;border-right:1px solid var(--bd);border-bottom:1px solid var(--bd);height:56px;display:grid;place-items:center;font-size:25px}
.ftv .fv-usegrid{display:grid;grid-template-columns:1fr 1fr;gap:0 40px}
.ftv .fv-usegrid div{border-top:1px solid var(--bd);padding:14px 0;display:flex;gap:10px;align-items:center}
.ftv .fv-usegrid div svg{color:#1f8f4e}
.ftv .fv-usegrid .no{color:var(--mu)}
.ftv .fv-usegrid .no svg{color:var(--mu)}
@media(max-width:600px){.ftv .fv-usegrid{grid-template-columns:1fr}
}
.ftv .fv-pairs{display:grid;grid-template-columns:1fr 1fr;gap:20px}
@media(max-width:700px){.ftv .fv-pairs{grid-template-columns:1fr}
}
.ftv .fv-pair{background:var(--sf);border-radius:var(--r);padding:28px;display:block;transition:background .2s}
.ftv .fv-pair:hover{background:#efefec}
.ftv .fv-pair .fv-t{font-size:34px;line-height:1.15}
.ftv .fv-pair .fv-p{font-size:15px;line-height:1.6;color:#33363b;margin:12px 0 18px}
.ftv .fv-pair small{color:var(--mu);display:flex;gap:6px;align-items:center}
.ftv pre.fv-code{background:var(--sf);border-radius:var(--r);padding:18px;font:13px/1.7 ui-monospace,Menlo,monospace;overflow:auto;margin:0 0 12px;white-space:pre-wrap;color:#2c2e33}
.ftv .fv-links{display:grid;grid-template-columns:repeat(3,1fr);gap:0;border-top:1px solid var(--bd)}
.ftv .fv-links a{padding:18px 16px 18px 0;border-bottom:1px solid var(--bd);display:flex;justify-content:space-between;align-items:center;font-weight:500}
.ftv .fv-links a:hover{color:var(--ac)}
@media(max-width:800px){.ftv .fv-links{grid-template-columns:1fr}
}
.ftv .fv-course{background:var(--tx);color:#fff;border-radius:var(--r);padding:32px;display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;margin:56px 0}
.ftv .fv-course h2{font-size:24px;letter-spacing:-.02em;margin:6px 0 4px}
.ftv .fv-course p{margin:0;color:#b7b9be;max-width:520px}
.ftv .fv-course .fv-ov{color:#9a9ca1}
.ftv .fv-course .fv-b1{background:#fff;color:var(--tx)}
.ftv .fv-rel{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
@media(max-width:900px){.ftv .fv-rel{grid-template-columns:repeat(2,1fr)}
}
.ftv .fv-note{font-size:13px;color:var(--mu);margin:10px 0 0}
.ftv .fv-lbx{position:fixed;inset:0;background:rgba(15,16,18,.86);display:none;align-items:center;justify-content:center;z-index:50;padding:20px;cursor:zoom-out}
.ftv .fv-lbx.on{display:flex}
.ftv .fv-lbx .demo{margin:0;width:min(92vw,calc(86vh*0.8))}
.ftv .fv-lbx figcaption{color:#fff;text-align:center;margin-top:10px;font-size:13px}
/* Trong trang that: header cua trang co dinh (z-index 1030), cao 57px khi da cuon; tren may tinh header truot len khi cuon xuong (.cmh.is-hidden) thi thanh loc len sat mep tren, khong de ho khoang trong */
.ftv .fv-bar{top:57px;transition:top .3s cubic-bezier(.2,.8,.2,1)}
body:has(.cmh.is-hidden) .ftv .fv-bar{top:0}
@media(prefers-reduced-motion:reduce){.ftv .fv-bar{transition:none}}
.ftv .fv-tray{z-index:1090}
.ftv .fv-modal,.ftv .fv-lbx{z-index:1100}
.ftv .fv-sec[id]{scroll-margin-top:130px}