:root{--chu:#9B1C1C;--chu-dam:#741212;--chu-nhat:#FDF2F2;--vang:#C68A12;--dam:#241414;--xam:#655252;--vien:#EAD8D8;--nen:#FCF8F7;--trang:#fff;--bo:16px}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font-family:"Be Vietnam Pro",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--dam);background:var(--trang);line-height:1.6;font-size:16px;padding-bottom:76px}
img{max-width:100%;height:auto;display:block}
a{color:var(--chu)}
h1,h2,h3{line-height:1.25;margin:0 0 .5em;letter-spacing:-.01em}
h1{font-size:clamp(25px,5.4vw,38px);font-weight:800}
h2{font-size:clamp(22px,4.4vw,32px);font-weight:800;text-align:center}
.khung{width:100%;max-width:1100px;margin:0 auto;padding:0 16px}
.hep{max-width:680px}
.khoi{padding:48px 0}
.nen{background:var(--nen)}
.phu{color:var(--xam);text-align:center;margin:0 auto 24px;max-width:660px}
.an{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}

/* Dải trên + đầu trang */
.dai{background:linear-gradient(90deg,var(--chu-dam),var(--chu));color:#fff;text-align:center;font-size:13px;font-weight:600;padding:8px 12px}
.dau{display:flex;align-items:center;justify-content:space-between;padding-top:10px;padding-bottom:10px}
.logo img{height:40px;width:auto}
.dau__goi{display:inline-flex;align-items:center;gap:6px;font-weight:700;text-decoration:none;color:var(--chu);border:1.5px solid var(--chu);border-radius:999px;padding:7px 14px;font-size:15px}

/* Nút */
.nut{display:inline-flex;align-items:center;justify-content:center;background:var(--chu);color:#fff;font-weight:800;text-decoration:none;border:0;border-radius:12px;padding:12px 20px;font-size:16px;cursor:pointer;font-family:inherit;transition:background .15s,transform .15s}
.nut:hover{background:var(--chu-dam)}
.nut:active{transform:scale(.98)}
.nut--lon{padding:17px 24px;font-size:18px;width:100%;box-shadow:0 8px 22px rgba(155,28,28,.28);animation:nhip 2.4s ease-in-out infinite}
.nut--rong{width:100%}
.nut[disabled]{opacity:.6;cursor:wait;animation:none}
@keyframes nhip{0%,100%{transform:scale(1)}50%{transform:scale(1.025)}}
@media (prefers-reduced-motion:reduce){.nut--lon{animation:none}html{scroll-behavior:auto}}

/* Hero */
.hero{display:grid;gap:24px;padding-top:4px;padding-bottom:40px}
.hero__anh{position:relative;min-width:0}
.truot{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;border-radius:var(--bo);scrollbar-width:none;background:var(--chu-nhat);border:1px solid var(--vien)}
.truot::-webkit-scrollbar{display:none}
.truot__muc{position:relative;flex:0 0 100%;width:100%;aspect-ratio:1/1;scroll-snap-align:center;overflow:hidden;background:var(--chu-nhat)}
.truot__muc>img,.truot__muc>video{width:100%;height:100%;object-fit:cover;display:block}
.truot__video{background:#120404}
.truot__video--vtv{display:flex;flex-direction:column;justify-content:center;background:radial-gradient(circle at center,#3b0a0a 0%,#140303 100%)}
.truot__video--vtv>video{height:auto;max-height:76%;object-fit:contain}
.vtv-dau{background:rgba(155,28,28,.9);color:#fff;font-weight:800;font-size:12.5px;text-align:center;padding:7px 10px;letter-spacing:.03em}
.vtv-chan{color:#F9E3E3;font-size:12.5px;text-align:center;padding:7px 10px;font-weight:600}
.video-nhan{position:absolute;top:12px;left:12px;z-index:3;background:rgba(20,6,6,.75);backdrop-filter:blur(4px);color:#fff;font-size:12px;font-weight:700;padding:5px 11px;border-radius:999px;border:1px solid rgba(255,255,255,.25);pointer-events:none}
.nut-tieng{position:absolute;bottom:14px;right:14px;z-index:4;background:rgba(155,28,28,.92);color:#fff;border:1.5px solid #fff;border-radius:999px;padding:7px 14px;font:inherit;font-size:12.5px;font-weight:700;cursor:pointer;box-shadow:0 4px 12px rgba(0,0,0,.35)}
.nut-tieng.dang-bat{background:rgba(18,116,58,.92)}

/* Thanh thumbnail dưới Hero */
.hero-thumbs{display:flex;gap:8px;overflow-x:auto;padding:10px 2px 4px;scrollbar-width:none}
.hero-thumbs::-webkit-scrollbar{display:none}
.hero-thumbs button{position:relative;flex:0 0 60px;width:60px;height:60px;border-radius:10px;border:2px solid var(--vien);padding:0;overflow:hidden;background:var(--chu-nhat);cursor:pointer;opacity:.72;transition:opacity .15s,border-color .15s,transform .15s}
.hero-thumbs button.on{border-color:var(--chu);opacity:1;transform:translateY(-1px);box-shadow:0 3px 10px rgba(155,28,28,.22)}
.hero-thumbs button img{width:100%;height:100%;object-fit:cover}
.hero-thumbs button.thumb-vid span{position:absolute;inset:auto 0 0 0;background:rgba(155,28,28,.9);color:#fff;font-size:10px;font-weight:800;padding:2px 0;text-align:center;letter-spacing:.01em}
.nhan{display:inline-block;background:var(--chu-nhat);color:var(--chu-dam);font-weight:700;font-size:13px;border-radius:999px;padding:5px 12px;margin:0 0 12px;border:1px solid var(--vien)}
.cong-dung{list-style:none;padding:0;margin:0 0 16px}
.cong-dung li{position:relative;padding:6px 0 6px 30px}
.cong-dung li::before{content:"";position:absolute;left:0;top:10px;width:20px;height:20px;border-radius:50%;background:var(--chu) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23fff' stroke-width='3'%3E%3Cpath d='m5 12.5 4.5 4.5L19 7'/%3E%3C/svg%3E") center/13px no-repeat}
.tin{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:14px;color:var(--xam);margin-bottom:14px}
.tin b{color:var(--dam)}
.tin small{font-size:12px}
.sao{color:#D97706;letter-spacing:2px;font-size:16px}
.gia-khung{background:var(--chu-nhat);border:1px solid var(--vien);border-radius:14px;padding:12px 16px;margin:0 0 16px}
.gia{display:flex;align-items:baseline;gap:8px;flex-wrap:wrap;margin:0}
.gia b{font-size:34px;font-weight:800;color:var(--chu)}
.gia span{color:var(--xam);font-size:14px}
.gia-phu{font-size:13px;color:var(--chu-dam);font-weight:600;margin:4px 0 0}
.cam-ket{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:8px;padding:0;margin:16px 0 0}
.cam-ket li{display:flex;flex-direction:column;align-items:center;text-align:center;gap:6px;font-size:13px;font-weight:600;background:var(--nen);border:1px solid var(--vien);border-radius:12px;padding:12px 6px}
.cam-ket svg,.giay svg{width:24px;height:24px;fill:none;stroke:var(--chu);stroke-width:1.8;stroke-linejoin:round}

/* Thẻ */
.the-luoi{display:grid;gap:14px;margin-top:20px}
.the{background:var(--trang);border:1px solid var(--vien);border-radius:var(--bo);padding:18px}
.the b{display:block;font-size:17px;margin-bottom:4px;color:var(--chu-dam)}
.the p{margin:0;color:var(--xam)}
.chot{text-align:center;font-size:18px;margin:26px auto 0;max-width:720px}
.dg p{color:var(--dam);margin:6px 0 10px}
.dg b{font-size:14px;color:var(--xam);font-weight:600}
.tong-dg{display:flex;align-items:center;justify-content:center;gap:16px}
.tong-dg__so{font-size:48px;font-weight:800;color:var(--chu)}
.tong-dg p{margin:2px 0 0;color:var(--xam);font-size:14px}
.mo{text-align:center;color:var(--xam);font-size:13px;margin-top:16px}

/* Hai cột */
.hai-cot{display:grid;gap:28px;align-items:center}
.hai-cot h2,.hai-cot .phu{text-align:left;margin-left:0}
.bo-goc{border-radius:var(--bo);border:1px solid var(--vien)}
.bang{width:100%;border-collapse:collapse;background:var(--trang);border-radius:var(--bo);overflow:hidden;border:1px solid var(--vien)}
.bang td{padding:12px 16px;border-bottom:1px solid var(--vien)}
.bang tr:last-child td{border-bottom:0}
.bang td:last-child{text-align:right;font-weight:700;color:var(--chu);white-space:nowrap}
.buoc{list-style:none;counter-reset:b;padding:0;margin:0 0 16px}
.buoc li{counter-increment:b;position:relative;padding:0 0 18px 52px}
.buoc li::before{content:counter(b);position:absolute;left:0;top:0;width:36px;height:36px;border-radius:50%;background:var(--chu);color:#fff;font-weight:800;display:grid;place-items:center}
.buoc b{display:block;font-size:17px}
.buoc span{color:var(--xam)}

/* Khối VTV3 + Video Short */
.vtv-khung{background:var(--trang);border:1px solid var(--vien);border-radius:var(--bo);padding:18px;box-shadow:0 10px 28px rgba(155,28,28,.08)}
.vtv-video{width:100%;border-radius:12px;overflow:hidden;background:#000;aspect-ratio:16/9}
.vtv-video video{width:100%;height:100%;object-fit:contain;display:block}
.vtv-chu{margin-top:12px;font-size:14px;color:var(--xam);text-align:center}

/* Giấy tờ */
.giay{display:grid;gap:10px;max-width:760px;margin:0 auto}
.giay a{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--dam);border:1px solid var(--vien);border-radius:12px;padding:14px 16px;background:var(--trang)}
.giay span{flex:1;font-weight:600}
.giay em{font-style:normal;color:var(--chu);font-weight:700;font-size:14px}

/* Video Short */
.video-short-sec{background:linear-gradient(180deg,var(--trang),var(--nen) 40%,var(--trang))}
.video-short-wrap{display:grid;gap:32px;align-items:center}
.video-short-box{display:flex;justify-content:center}
.video-mockup{position:relative;width:100%;max-width:340px;aspect-ratio:9/16;border-radius:28px;overflow:hidden;background:#000;box-shadow:0 16px 40px rgba(155,28,28,.18);border:4px solid var(--vien)}
.video-mockup video{width:100%;height:100%;object-fit:cover;display:block}
.video-short-chu h2{text-align:left;margin-bottom:12px}
.phu-trai{color:var(--xam);margin:0 0 20px;font-size:15px}
.video-cac-buoc{list-style:none;counter-reset:vstep;padding:0;margin:0 0 24px}
.video-cac-buoc li{counter-increment:vstep;position:relative;padding:0 0 16px 48px}
.video-cac-buoc li::before{content:counter(vstep);position:absolute;left:0;top:2px;width:32px;height:32px;border-radius:50%;background:var(--chu);color:#fff;font-weight:800;font-size:14px;display:grid;place-items:center}
.video-cac-buoc b{display:block;font-size:16px;color:var(--dam)}
.video-cac-buoc span{color:var(--xam);font-size:14px;line-height:1.45}

/* Đặt hàng */
.dat{background:linear-gradient(180deg,var(--chu-nhat),var(--trang) 65%)}
#don{background:var(--trang);border:1px solid var(--vien);border-radius:20px;padding:20px;box-shadow:0 12px 32px rgba(36,20,20,.08)}
.muc-tieu-de{font-size:14px;font-weight:700;color:var(--chu-dam);margin:0 0 8px;display:block}

/* Chọn phiên bản (Bản thường / Bản kèm túi quà) */
.chon-pb{display:grid;grid-template-columns:1fr;gap:10px;margin-bottom:16px}
@media (min-width:560px){.chon-pb{grid-template-columns:1fr 1fr}}
.pb__muc input{position:absolute;opacity:0}
.pb__than{display:flex;align-items:center;gap:12px;border:2px solid var(--vien);border-radius:14px;padding:10px 12px;cursor:pointer;height:100%;background:var(--trang);transition:border-color .15s,background .15s}
.pb__than img{width:58px;height:58px;border-radius:10px;object-fit:cover;flex:0 0 58px;border:1px solid var(--vien)}
.pb__info{flex:1;min-width:0}
.pb__info em{display:inline-block;font-style:normal;font-size:11px;font-weight:700;color:var(--chu-dam);background:var(--chu-nhat);border-radius:99px;padding:2px 8px;margin-bottom:3px}
.pb__info b{display:block;font-size:14.5px;line-height:1.3;color:var(--dam)}
.pb__info small{display:block;font-size:12px;color:var(--xam);line-height:1.3;margin-top:2px}
.pb__info strong{display:block;font-size:16px;color:var(--chu);margin-top:4px}
.pb__muc input:checked+.pb__than{border-color:var(--chu);background:var(--chu-nhat)}

/* Chọn số lượng gói */
.goi{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:16px}
.goi__muc input{position:absolute;opacity:0}
.goi__than{display:flex;flex-direction:column;align-items:center;text-align:center;border:2px solid var(--vien);border-radius:14px;padding:12px 6px;cursor:pointer;height:100%;transition:border-color .15s,background .15s}
.goi__than b{font-size:17px}
.goi__than small{font-size:11.5px;color:var(--xam);line-height:1.35;min-height:31px}
.goi__than strong{font-size:16px;color:var(--chu);margin-top:4px}
.goi__than em{font-style:normal;font-size:11px;font-weight:700;color:var(--chu-dam);background:var(--chu-nhat);border-radius:99px;padding:2px 8px;margin-top:4px}
.goi__muc input:checked+.goi__than{border-color:var(--chu);background:var(--chu-nhat)}
.goi__muc input:focus-visible+.goi__than{outline:3px solid rgba(155,28,28,.35)}
.o{display:block;margin-bottom:12px}
.o span{display:block;font-size:14px;font-weight:600;margin-bottom:5px}
.o input,.o select{width:100%;font:inherit;font-size:16px;padding:13px 14px;border:1.5px solid var(--vien);border-radius:12px;background:var(--trang);color:var(--dam)}
.o input:focus,.o select:focus{outline:0;border-color:var(--chu);box-shadow:0 0 0 3px rgba(155,28,28,.15)}
.o.sai input,.o.sai select{border-color:#B42318}
.tong{display:flex;justify-content:space-between;align-items:center;border-top:1px dashed var(--vien);padding:14px 0;margin-top:4px}
.tong b{font-size:24px;color:var(--chu)}
.loi{color:#B42318;font-weight:600;text-align:center;margin:12px 0 0}
.bao-mat{text-align:center;font-size:13px;color:var(--xam);margin:12px 0 0}
.xong{text-align:center;background:var(--trang);border:1px solid var(--vien);border-radius:20px;padding:32px 20px}
.xong svg{width:64px;height:64px;margin:0 auto 12px;fill:none;stroke:#fff;stroke-width:3;background:var(--chu);border-radius:50%;padding:14px}

/* Hỏi đáp */
details{border:1px solid var(--vien);border-radius:12px;padding:14px 16px;margin-bottom:10px;background:var(--trang)}
summary{font-weight:700;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:12px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";color:var(--chu);font-weight:800}
details[open] summary::after{content:"–"}
details p{margin:10px 0 0;color:var(--xam)}

/* Chân */
.chan{background:var(--dam);color:#DFCFCF;font-size:14px;padding:32px 0}
.chan a{color:#fff}
.canh-bao{background:rgba(255,255,255,.06);border-radius:12px;padding:14px;color:#F3E8E8}
.lien{display:flex;flex-wrap:wrap;gap:16px}

/* Thanh dính đáy */
.day{position:fixed;left:0;right:0;bottom:0;z-index:50;display:flex;align-items:center;gap:8px;background:var(--trang);border-top:1px solid var(--vien);padding:10px 12px calc(10px + env(safe-area-inset-bottom));box-shadow:0 -6px 20px rgba(36,20,20,.08);transition:transform .25s}
.day.an-di{transform:translateY(110%)}
.day__gia{flex:1;line-height:1.2}
.day__gia b{display:block;font-size:20px;color:var(--chu)}
.day__gia span{font-size:12px;color:var(--xam)}
.day__zalo{display:grid;place-items:center;height:46px;padding:0 14px;border:1.5px solid var(--chu);border-radius:12px;color:var(--chu);font-weight:800;text-decoration:none;font-size:14px}
.day .nut{height:46px;padding:0 22px}

@media (min-width:760px){
	.video-short-wrap{grid-template-columns:360px 1fr;gap:48px}
	.the-luoi{grid-template-columns:repeat(3,1fr)}
	.hai-cot{grid-template-columns:1fr 1fr}
	.hai-cot.dao>img{order:0}
	.khoi{padding:72px 0}
}
@media (min-width:960px){
	body{padding-bottom:0}
	.hero{grid-template-columns:1.05fr 1fr;align-items:center;gap:48px;padding-top:16px}
	.nut--lon{width:auto;min-width:340px}
	.day{left:auto;right:24px;bottom:24px;width:380px;border-radius:16px;border:1px solid var(--vien)}
}

/* Logo chữ */
.logo-chu{display:flex;flex-direction:column;line-height:1.05;text-decoration:none;color:var(--chu)}
.logo-chu b{font-size:22px;font-weight:800;letter-spacing:.02em}
.logo-chu span{font-size:11px;color:var(--xam);font-weight:600}

/* Giấy tờ: nút mở popup */
.giay button{display:flex;align-items:center;gap:12px;width:100%;text-align:left;font:inherit;color:var(--dam);border:1px solid var(--vien);border-radius:12px;padding:14px 16px;background:var(--trang);cursor:pointer}
.giay button:hover{border-color:var(--chu)}

/* Popup */
.popup{position:fixed;inset:0;z-index:100;display:flex;align-items:center;justify-content:center}
.popup[hidden]{display:none}
.popup__nen{position:absolute;inset:0;background:rgba(20,10,10,.72)}
.popup__khung{position:relative;background:var(--trang);width:min(760px,100%);height:min(92vh,100%);display:flex;flex-direction:column;border-radius:16px;overflow:hidden}
@media (max-width:759px){.popup__khung{height:100%;border-radius:0}}
.popup__dau{display:flex;align-items:center;gap:10px;padding:12px 14px;border-bottom:1px solid var(--vien)}
.popup__dau b{flex:1;font-size:15px}
.popup__dau span{font-size:13px;color:var(--xam)}
.popup__x{border:0;background:var(--nen);width:36px;height:36px;border-radius:50%;font-size:22px;cursor:pointer;color:var(--dam)}
.popup__than{flex:1;overflow-y:auto;background:#F4EEEE;padding:12px;-webkit-overflow-scrolling:touch}
.popup__than img{margin:0 auto 12px;border-radius:8px;box-shadow:0 2px 10px rgba(0,0,0,.08);background:#fff}
.popup__than.mot img{max-height:100%;object-fit:contain}
.popup__chan{display:flex;gap:10px;justify-content:center;align-items:center;padding:10px;border-top:1px solid var(--vien)}
.popup__nut{width:44px;height:44px;border-radius:50%;border:1.5px solid var(--vien);background:var(--trang);font-size:24px;cursor:pointer;color:var(--chu)}
.popup__nut[hidden]{visibility:hidden;display:block}
body.khoa{overflow:hidden}

/* Đánh giá kiểu sàn TMĐT */
.dgs{display:grid;gap:18px;background:var(--trang);border:1px solid var(--vien);border-radius:var(--bo);padding:18px;margin-top:8px}
.dgs__tong{text-align:center}
.dgs__diem b{font-size:44px;font-weight:800;color:var(--chu);line-height:1}
.dgs__diem span{color:var(--xam);margin-left:4px}
.dgs__tong p{margin:6px 0 0;color:var(--xam);font-size:14px}
.sao--lon{font-size:22px}
.dgs__thanh{display:grid;gap:6px}
.dong-sao{display:grid;grid-template-columns:44px 1fr 40px;align-items:center;gap:8px;font-size:13px;color:var(--xam)}
.dong-sao i{height:8px;border-radius:99px;background:var(--nen);overflow:hidden;position:relative}
.dong-sao i::after{content:"";position:absolute;inset:0;width:var(--w);background:var(--chu);border-radius:99px}
.dgs__loc{display:flex;gap:8px;overflow-x:auto;padding:16px 0 4px;scrollbar-width:none}
.dgs__loc::-webkit-scrollbar{display:none}
.dgs__loc button{flex:0 0 auto;font:inherit;font-size:14px;border:1.5px solid var(--vien);background:var(--trang);color:var(--dam);border-radius:999px;padding:7px 14px;cursor:pointer}
.dgs__loc button.on{border-color:var(--chu);color:var(--chu);background:var(--chu-nhat);font-weight:700}
.dgs__ds{margin-top:8px}
.dg1{background:var(--trang);border-bottom:1px solid var(--vien);padding:14px 4px;display:grid;grid-template-columns:38px 1fr;gap:10px}
.dg1:last-child{border-bottom:0}
.dg1__av{width:38px;height:38px;border-radius:50%;background:var(--chu-nhat);color:var(--chu);font-weight:800;display:grid;place-items:center;font-size:15px}
.dg1__ten{font-weight:700;font-size:14px}
.dg1__sao{color:#D97706;font-size:13px;letter-spacing:1px}
.dg1__sao .tat{color:var(--vien)}
.dg1__meta{font-size:12px;color:var(--xam);margin:2px 0 6px}
.dg1__meta em{font-style:normal;color:var(--chu-dam);font-weight:600}
.dg1 p{margin:0;font-size:15px}
.dg1__anh{display:flex;gap:6px;margin-top:8px;flex-wrap:wrap}
.dg1__anh button{padding:0;border:0;background:none;cursor:pointer}
.dg1__anh img{width:76px;height:76px;object-fit:cover;border-radius:8px}
.nut-phu{display:block;margin:14px auto 0;font:inherit;font-weight:700;color:var(--chu);background:var(--trang);border:1.5px solid var(--chu);border-radius:12px;padding:11px 22px;cursor:pointer}
@media (min-width:760px){.dgs{grid-template-columns:220px 1fr;align-items:center}.dgs__ds{background:var(--trang);border:1px solid var(--vien);border-radius:var(--bo);padding:4px 16px}}

/* Nút lấy vị trí */
.vi-tri{display:flex;align-items:center;gap:10px;width:100%;font:inherit;font-weight:700;color:var(--chu);background:var(--chu-nhat);border:1.5px dashed var(--chu);border-radius:12px;padding:12px 14px;margin:0 0 12px;cursor:pointer;text-align:left}
.vi-tri svg{width:22px;height:22px;flex:0 0 22px;fill:none;stroke:var(--chu);stroke-width:2}
.vi-tri.dang{opacity:.7;cursor:wait}

/* Chân trang nhà cung cấp */
.chan__cot{display:grid;gap:18px;margin-top:18px}
.chan h4{color:#fff;margin:0 0 6px;font-size:14px;text-transform:uppercase;letter-spacing:.04em}
.chan__cot p{margin:0 0 6px;line-height:1.6}
@media (min-width:760px){.chan__cot{grid-template-columns:repeat(3,1fr)}}