:root{--ink:#1c1c1c;--ink2:#262626;--bg:#f7f7f7;--card:#fff;--red:#c8102e;--muted:#6b6b6b;--line:#e6e6e6}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body.miura{margin:0;font-family:Roboto,system-ui,Segoe UI,Arial,sans-serif;color:#222;background:var(--ink);line-height:1.5}
a{color:inherit;text-decoration:none}img{max-width:100%;height:auto;display:block}
.wrap{max-width:1180px;margin:0 auto;padding:0 16px}.wrap.narrow{max-width:860px}
/* header: mobile logo giữa, burger trái, tìm phải (như web gốc) */
.hd{background:var(--ink);color:#fff;position:sticky;top:0;z-index:50}
.hd-in{display:flex;align-items:center;justify-content:space-between;height:74px;padding:0 14px;max-width:1180px;margin:0 auto}
.logo img{width:70px;height:auto}
.burger,.sbtn{background:transparent;border:0;color:#fff;font-size:26px;cursor:pointer;width:44px;height:44px;display:flex;align-items:center;justify-content:center}
.nav{display:none;gap:2px;align-items:center}.dd{position:relative}.dd i{font-style:normal;font-size:10px}.dd-menu{display:none;position:absolute;top:100%;left:0;background:#111;min-width:170px;padding:6px 0;box-shadow:0 8px 20px rgba(0,0,0,.4)}.dd:hover .dd-menu{display:block}.dd-menu a{display:block;text-transform:none;font-weight:400;font-size:14px;padding:9px 16px}.nav a{padding:8px 12px;font-size:13px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:#fff}.nav a:hover{color:#ccc}
.sbar{display:none;background:#111;padding:10px 14px}.sbar form{display:flex;max-width:600px;margin:0 auto;background:#2a2a2a;border-radius:4px}.sbar input{flex:1;background:transparent;border:0;color:#fff;padding:10px 14px;outline:0;font-size:15px}.sbar button{background:var(--red);border:0;color:#fff;padding:0 18px;font-weight:700;cursor:pointer}
body.search-open .sbar{display:block}
.mnav{display:none;background:#111;flex-direction:column;border-top:1px solid #333}.mnav a{padding:14px 20px;border-bottom:1px solid #2a2a2a;text-transform:uppercase;font-size:14px;font-weight:500;color:#fff}.mnav a.sub{padding-left:38px;text-transform:none;font-weight:400;color:#ccc}.mnav a.grp{text-transform:none;color:#aaa}
body.nav-open .mnav{display:flex}
/* slider */
.slider{position:relative;background:#000;overflow:hidden;aspect-ratio:1536/640}
.slide{position:absolute;inset:0;opacity:0;transition:opacity .6s}.slide.on{opacity:1}.slide img{width:100%;height:100%;object-fit:cover}
.dots{position:absolute;left:0;right:0;bottom:12px;display:flex;justify-content:center;gap:10px}.dot{width:12px;height:12px;border-radius:50%;border:2px solid #fff;background:transparent;padding:0;cursor:pointer;opacity:.9}.dot.on{background:#fff}
/* 6 nhóm */
.nhom{background:#282828;padding:26px 0 6px}.nhom-in{display:grid;grid-template-columns:repeat(3,1fr);row-gap:8px}
.nhom-it{display:flex;flex-direction:column;align-items:center;gap:6px;padding:16px 6px 22px;color:#eee;font-size:20px;font-weight:400}
.nhom-it img{width:110px;height:92px;object-fit:contain}.nhom-it:hover img{filter:brightness(1.4)}
/* video */
.video{background:#000}.yt{position:relative;padding-top:56.25%;max-width:1180px;margin:0 auto}.yt iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
/* series */
.serial{background:var(--ink2);color:#fff;padding:34px 0 40px}.serial h2,.sec h2{font-size:26px;font-weight:400;text-align:center;margin:0 0 26px;letter-spacing:.02em}.sec h2 a{color:inherit}
.serial{padding:34px 0 30px}.serial .wrap{padding:0}.serial-in{display:grid;grid-template-columns:repeat(2,1fr);gap:4px;max-width:1180px;margin:0 auto}.serial-it img{width:100%;height:100%;object-fit:cover;display:block}.serial-it.photo img{aspect-ratio:1000/1928}.loai{background:#fff;padding:30px 0}.loai-in{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.loai-it img{width:100%;display:block;border-radius:4px}
.sec{padding:40px 0}.sec.dark2{background:var(--ink);color:#fff}.more{text-align:center;margin:22px 0 0}
.btn{display:inline-block;background:var(--red);color:#fff;padding:12px 26px;border-radius:4px;font-weight:700;letter-spacing:.03em}.btn.ghost{background:transparent;border:1px solid #444;color:#222}
/* lưới sản phẩm */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:18px}
.card{background:var(--card);color:#222;border-radius:8px;overflow:hidden;display:flex;flex-direction:column;transition:transform .15s}.card:hover{transform:translateY(-3px)}
.card-img{aspect-ratio:1;background:#fff;overflow:hidden}.card-img img{width:100%;height:100%;object-fit:cover}
.card-name{padding:12px 12px 4px;font-size:14px;font-weight:500;min-height:64px;text-align:center}.card-price{padding:0 12px 14px;text-align:center;color:var(--red);font-weight:700}.card-price s{color:#999;font-weight:400;margin-right:6px}
.empty{color:#bbb;text-align:center;padding:30px}
.posts{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:18px}.post{background:#fff;color:#222;border-radius:8px;overflow:hidden}.post img{width:100%;aspect-ratio:16/9;object-fit:cover}.post b{display:block;padding:12px 14px 4px;font-size:15px}.post time{display:block;padding:0 14px 12px;font-size:12px;color:var(--muted)}.post p{padding:0 14px 14px;margin:0;font-size:13px;color:#555}
/* trang trong: nền sáng */
.page{background:var(--bg);color:#222}.page .sec{padding:26px 0 44px}
.crumb{font-size:13px;color:var(--muted);margin-bottom:10px}.crumb a{color:#444}
h1{font-size:26px;margin:0 0 16px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 22px}.chip{background:#fff;border:1px solid var(--line);padding:6px 14px;border-radius:20px;font-size:13px}.chip.on{background:var(--ink);color:#fff;border-color:var(--ink)}
.pd{display:grid;grid-template-columns:1.05fr 1fr;gap:34px;background:#fff;border-radius:10px;padding:24px;margin-bottom:26px}
.pd-main img{width:100%;aspect-ratio:1;object-fit:contain;border-radius:8px;background:#fafafa}.pd-thumbs{display:flex;gap:8px;margin-top:10px;overflow-x:auto}.pd-thumbs img{width:70px;height:70px;object-fit:cover;border-radius:6px;border:2px solid transparent;cursor:pointer}.pd-thumbs img.on{border-color:var(--red)}
.pd-info h1{font-size:24px}.pd-price{font-size:26px;color:var(--red);font-weight:700;margin:6px 0}.pd-price s{font-size:16px;color:#999;font-weight:400}.pd-sku{color:var(--muted);font-size:13px}
.pd-short{margin:14px 0;color:#444;font-size:15px}.pd-short p{margin:0 0 6px}.pd-cta{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0}.pd-cats a{display:inline-block;font-size:12px;background:#f1f1f1;padding:4px 10px;border-radius:12px;margin:0 6px 6px 0}
.page .grid .card{box-shadow:0 1px 3px rgba(0,0,0,.08)}.page .sec h2{color:#222;font-weight:500;font-size:22px;text-align:left;margin:30px 0 16px}
.content{background:#fff;border-radius:10px;padding:26px;font-size:16px;line-height:1.7}.content h1{font-size:22px}.content h2{font-size:20px;text-align:left;margin:22px 0 10px}.content h3{font-size:17px}.content img{margin:12px auto;border-radius:6px}.content iframe{max-width:100%}.content table{max-width:100%;overflow:auto;display:block}
.post-hero{width:100%;border-radius:10px;margin:14px 0 22px}.meta{display:block;color:var(--muted);font-size:13px;margin:-8px 0 12px}
/* mua ngay + footer (như web gốc: nền tối, chân trang sáng) */
.buy{background:var(--ink2);color:#fff;padding:34px 0 40px;text-align:center}.buy h2{margin:0 0 22px;font-size:26px;font-weight:400;text-align:center}
.buy-links{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;max-width:900px;margin:0 auto}.buy-links a{display:flex;flex-direction:column;align-items:center;gap:8px;padding:10px 6px;text-transform:uppercase;letter-spacing:.08em;font-size:13px}.buy-links img{width:60px;height:60px;object-fit:contain}
.ft{background:#fff;color:#333;padding:22px 0 16px;font-size:14px}.ft-menu{display:flex;flex-wrap:wrap;gap:6px 18px;padding:10px 0 18px;border-bottom:1px solid var(--line);margin-bottom:22px;font-size:13px}.ft-menu a{color:#444}
.ft-in{display:grid;grid-template-columns:1.5fr 1fr;gap:26px}.socials{display:flex;gap:10px;margin:4px 0 10px}.socials a{width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff}.socials svg{width:20px;height:20px}.s-fb{background:#1877f2}.s-yt{background:#ff0000}.s-zalo{background:#0068ff}.s-ig{background:#e1306c}.s-tt{background:#111}.ft h4{margin:0 0 12px;font-size:16px}.ft p{margin:0 0 6px;color:#555}.ft a{color:#333}.ft-group{margin-top:16px;font-size:13px}.copy{margin-top:22px;color:#888;font-size:12px;text-align:center}
@media(min-width:861px){.hd-in{height:80px}.burger{display:none}.logo img{width:64px}.nav{display:flex;flex:1;justify-content:center}.mnav{display:none!important}.nhom-in{grid-template-columns:repeat(6,1fr)}.serial-in{grid-template-columns:repeat(4,1fr)}.nhom-it{font-size:16px;padding:22px 6px}.nhom-it img{width:88px;height:74px}}
@media(max-width:860px){.pd{grid-template-columns:1fr;padding:14px}.ft-in{grid-template-columns:1fr}.grid{grid-template-columns:repeat(2,1fr);gap:12px}.card-name{font-size:13px;min-height:56px}.buy-links{grid-template-columns:repeat(2,1fr)}.loai-in{grid-template-columns:1fr}.serial-in{grid-template-columns:repeat(2,1fr)}}

/* 27/09/2026 SEO */.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}.gt{background:var(--ink2);color:#d6d6d6;padding:28px 0 34px;font-size:15px;line-height:1.7}.gt h2{font-size:20px;font-weight:500;color:#fff;margin:0 0 12px;text-align:left}.gt p{margin:0 0 10px}.gt a{color:#fff}.cat-mota{background:#fff;padding:16px 18px;border-radius:6px;margin:0 0 18px;line-height:1.7;font-size:15px;color:#333}.cat-mota p{margin:0 0 8px}.cat-mota a{color:#c8102e}.cat-home{margin:26px 0 0;text-align:center}.cat-home a{color:#c8102e;font-weight:500}

/* 27/09/2026 manifesto */.mf{text-align:center;padding:40px 0 44px;font-size:17px;line-height:1.75;color:#e6e6e6}.mf h2{font-size:22px;letter-spacing:.35em;text-align:center;margin:0 0 18px;color:#fff;font-weight:500}.mf p{margin:0 0 14px;max-width:760px;margin-left:auto;margin-right:auto}.mf .mf-open{font-size:21px;color:#fff;font-weight:500}.mf strong{color:#fff;font-size:18px}.mf .mf-links{margin-top:22px;font-size:14px;color:#aaa}.mf .mf-links a{color:#ddd;text-decoration:none}.mf .mf-links a:hover{color:#fff;text-decoration:underline}.content .mf-open{font-size:20px;font-weight:600}.content .manifesto p{margin:0 0 12px}@media(max-width:600px){.mf{font-size:16px;padding:32px 0 36px}.mf .mf-open{font-size:19px}}

/* 27/09/2026 video dòng dao */.mv{margin:6px 0 22px}.mv-in{display:grid;grid-template-columns:1fr;gap:14px;max-width:760px;margin:0 auto}.mv-2 .mv-in{max-width:none;grid-template-columns:1fr 1fr}.mv-it{background:#111;border-radius:12px;overflow:hidden;box-shadow:0 6px 22px rgba(0,0,0,.18)}.mv-yt{position:relative;padding-top:56.25%}.mv-yt iframe{position:absolute;inset:0;width:100%;height:100%;border:0}.mv-h{margin:26px 0 12px}@media(max-width:700px){.mv-2 .mv-in{grid-template-columns:1fr}.mv{margin:4px -4px 18px}.mv-it{border-radius:8px}}