:root{--red:#C8201A;--red-d:#9E1712;--ink:#16181A;--steel:#5B6470;--paper:#F4F5F3;--line:#DADDD8;--yellow:#F2C200;
--display:"Barlow Condensed","Arial Narrow",Impact,sans-serif;--body:"Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;font:400 16px/1.6 var(--body);color:var(--ink);background:var(--paper)}
img{max-width:100%;display:block;}a{color:inherit;text-decoration:none}
.news img{height:auto;width:100%;}
.sp img{width:100%;display:block;}
h1,h2,h3{font-family:var(--display);font-weight:700;line-height:1.05;margin:0;letter-spacing:.005em}
:focus-visible{outline:3px solid var(--yellow);outline-offset:2px}
.pc-wrap{max-width:1200px;margin:0 auto;padding:0 20px}
.pc-btn{display:inline-flex;align-items:center;gap:8px;font:600 16px var(--body);padding:13px 22px;border-radius:4px;border:2px solid var(--red);background:var(--red);color:#fff;cursor:pointer;transition:background .15s}
.pc-btn:hover{background:var(--red-d);border-color:var(--red-d)}
.pc-hazard{height:10px;background:repeating-linear-gradient(-45deg,var(--yellow) 0 14px,var(--ink) 14px 28px)}
.pc-top{background:var(--ink);color:#d5d8d3;font-size:14px}
.pc-top .pc-wrap{display:flex;justify-content:space-between;gap:12px;padding-top:7px;padding-bottom:7px}
.pc-top b{color:var(--yellow)}
.pc-head{position:sticky;top:0;z-index:40;background:#fff;border-bottom:1px solid var(--line)}
.pc-head .pc-wrap{display:flex;align-items:center;justify-content:space-between;height:74px;gap:24px}
.pc-logo img{height:48px;width:auto}
.pc-nav{display:flex;gap:30px;font-weight:600;font-size:15px;margin:0;padding:0;list-style:none}
.pc-nav a{padding:6px 0;border-bottom:3px solid transparent}.pc-nav a:hover{border-color:var(--red)}
.pc-call{font-family:var(--display);font-size:24px;font-weight:700;color:var(--red);white-space:nowrap}
.pc-burger{display:none;background:none;border:0;padding:8px}
.pc-mobile{display:none;list-style:none;margin:0;padding:8px 20px 16px;border-top:1px solid var(--line);background:#fff}
.pc-mobile a{display:block;padding:11px 0;font-weight:600;border-bottom:1px solid var(--line)}
.pc-mobile.open{display:block}
.pc-hero{background:var(--paper);color:var(--ink)}
.pc-hero-intro{max-width:1200px;margin:0 auto;padding:56px 20px;display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center}
.pc-hero h1{font-family:var(--body);font-size:clamp(30px,4vw,44px);font-weight:800;max-width:14ch;color:var(--ink)}
.pc-hero p{color:var(--steel);margin:18px 0 0;max-width:520px;font-size:16px}
.pc-hero-actions{display:flex;gap:14px;margin-top:26px;flex-wrap:wrap}
.pc-hero-actions .pc-btn--outline{background:transparent;color:var(--ink);border:2px solid var(--ink)}
.pc-hero-actions .pc-btn--outline:hover{background:var(--ink);color:#fff}
.pc-hero-stats{display:flex;gap:40px;margin-top:38px;flex-wrap:wrap}
.pc-hero-stats b{display:block;font-family:var(--display);font-size:30px;color:var(--red)}
.pc-hero-stats span{display:block;font-size:13.5px;color:var(--steel);margin-top:2px}
.pc-hero-media{position:relative;border-radius:12px;overflow:hidden;box-shadow:0 20px 45px -18px rgba(22,24,26,.35)}
.pc-hero-media::before{content:"";position:absolute;top:0;left:0;right:0;height:6px;background:linear-gradient(90deg,var(--yellow),var(--red))}
.pc-hero-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
@media(max-width:860px){.pc-hero-intro{grid-template-columns:1fr}.pc-hero-media{order:-1;aspect-ratio:16/9}.pc-hero-stats{gap:28px}}
.pc-doors{display:grid;grid-template-columns:1fr 1fr}
.pc-door{position:relative;min-height:340px;padding:32px 28px;display:flex;flex-direction:column;justify-content:flex-end;overflow:hidden}
.pc-door--red{background:var(--red)}.pc-door--dark{background:#23272a;border-left:1px solid #34393c}
.pc-door h2{font-size:clamp(34px,4.6vw,56px);max-width:11ch}
.pc-door p{margin:10px 0 20px;max-width:380px;color:rgba(255,255,255,.85);font-size:15px}
.pc-door-go{font-weight:700;border-bottom:2px solid var(--yellow);padding-bottom:3px;align-self:flex-start}
.pc-door svg{position:absolute;right:-10px;top:10px;height:78%;width:auto;opacity:.16;transition:opacity .2s}
.pc-door:hover svg{opacity:.3}
.pc-sec{padding:64px 0}.pc-sec--white{background:#fff}
.pc-sec-head{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;margin-bottom:28px;border-bottom:3px solid var(--ink);padding-bottom:12px}
.pc-sec-head h2{font-size:clamp(30px,4vw,44px)}
.pc-sec-head a{font-weight:600;color:var(--red)}
.pc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.pc-card{background:#fff;border:1px solid var(--line);display:flex;flex-direction:column;transition:border-color .15s}
.pc-card:hover{border-color:var(--red)}
.pc-card-body{padding:14px 16px 18px;display:flex;flex-direction:column;gap:8px;flex:1}
.pc-card h3{font-family:var(--body);font-size:15.5px;font-weight:600;line-height:1.4}
.pc-price{margin-top:auto;font-weight:700;color:var(--red)}.pc-price small{color:var(--steel);font-weight:400}
.pc-classes{display:grid;grid-template-columns:repeat(5,1fr);border:1px solid var(--line);background:#fff}
.pc-class{padding:22px 18px;border-right:1px solid var(--line)}.pc-class:last-child{border-right:0}
.pc-class b{display:grid;place-items:center;width:44px;height:44px;background:var(--ink);color:var(--yellow);font:700 26px var(--display);margin-bottom:12px}
.pc-class h3{font-family:var(--body);font-size:15px;font-weight:700}
.pc-class p{margin:6px 0 0;font-size:14px;color:var(--steel)}
.pc-class span{display:block;margin-top:10px;font-size:13.5px;font-weight:600;color:var(--red)}
.pc-why{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.pc-why h3{font-size:26px;margin-bottom:8px}.pc-why p{margin:0;color:var(--steel)}
.pc-cta{background:var(--red);color:#fff;padding:44px 0}
.pc-cta .pc-wrap{display:flex;justify-content:space-between;align-items:center;gap:24px;flex-wrap:wrap}
.pc-cta h2{font-size:clamp(28px,4vw,42px);max-width:640px}
.pc-cta .pc-btn{background:#fff;color:var(--red);border-color:#fff}
.pc-crumb{padding:18px 0 8px;font-size:14px;color:var(--steel)}
.pc-cathead{background:var(--ink);color:#fff;padding:40px 0}
.pc-cathead h1{font-size:clamp(34px,5vw,56px)}.pc-cathead p{color:#c9cdc7;max-width:640px;margin:10px 0 0}
.pc-layout{display:grid;grid-template-columns:250px 1fr;gap:32px;padding:16px 0 64px}
.pc-side{align-self:start;background:#fff;border:1px solid var(--line);padding:18px}
.pc-side h3{font-family:var(--body);font-size:15px;font-weight:700;margin-bottom:10px}
.pc-side select{width:100%;padding:10px;border:1px solid var(--line);font:inherit;margin-bottom:12px;background:#fff}
.pc-side .pc-btn{width:100%;justify-content:center}
.pc-layout .pc-grid{grid-template-columns:repeat(3,1fr)}
.pc-pager{margin-top:28px}.pc-pager svg{width:18px}
.pc-foot{background:var(--ink);color:#b9beb8;font-size:14.5px}
.pc-foot .pc-wrap{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:36px;padding-top:44px;padding-bottom:32px}
.pc-foot h2{font-size:22px;color:#fff;margin-bottom:12px}.pc-foot ul{list-style:none;margin:0;padding:0}.pc-foot li{margin-bottom:8px}.pc-foot a:hover{color:var(--yellow)}
.pc-copy{border-top:1px solid #34393c;text-align:center;padding:16px 20px;font-size:13.5px}
.pc-float{position:fixed;right:14px;bottom:14px;z-index:50;display:none;flex-direction:column;gap:10px}
.pc-float a{width:52px;height:52px;border-radius:50%;display:grid;place-items:center;font-weight:700;color:#fff;background:var(--red);box-shadow:0 4px 14px rgba(0,0,0,.3)}
.pc-float a+a{background:#0068ff;font-size:13px}
@media(max-width:960px){
.pc-nav,.pc-call{display:none}.pc-burger{display:block}.pc-float{display:flex}
.pc-grid,.pc-layout .pc-grid{grid-template-columns:repeat(2,1fr)}
.pc-classes{grid-template-columns:1fr 1fr}.pc-class{border-bottom:1px solid var(--line)}
.pc-layout,.pc-why,.pc-foot .pc-wrap{grid-template-columns:1fr}
}
@media(max-width:640px){
.pc-doors{grid-template-columns:1fr}.pc-door{min-height:260px}.pc-door--dark{border-left:0;border-top:1px solid #34393c}
.pc-top .pc-wrap span:last-child{display:none}.pc-sec{padding:44px 0}
}
/* ===== Trang chi tiết (bài viết / sản phẩm): bố cục 2 cột nội dung + sidebar ===== */
.pc-content{display:grid;grid-template-columns:1fr 340px;gap:40px;padding:48px 0 64px;align-items:start}
.pc-meta{font-size:13.5px;color:var(--steel);margin:0 0 20px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.pc-article{color:var(--ink);font-size:16px;line-height:1.75}
.pc-article h2{font-family:var(--body);font-size:clamp(20px,2.4vw,26px);font-weight:700;margin:34px 0 14px;padding-bottom:10px;border-bottom:3px solid var(--ink)}
.pc-article h3{font-family:var(--body);font-size:19px;font-weight:700;margin:26px 0 10px}
.pc-article p{margin:0 0 16px;color:var(--ink)}
.pc-article a{color:var(--red);font-weight:600;text-decoration:underline;text-underline-offset:2px}
.pc-article img{border-radius:6px;margin:18px 0}
.pc-article ul,.pc-article ol{margin:0 0 16px;padding-left:22px}
.pc-article li{margin-bottom:6px}
.pc-article table{width:100%;border-collapse:collapse;margin:20px 0 26px;font-size:14.5px}
.pc-article table th,.pc-article table td{border:1px solid var(--line);padding:11px 14px;text-align:left;vertical-align:top}
.pc-article table th{background:var(--ink);color:#fff;font-family:var(--body);font-weight:700}
.pc-article table tr:nth-child(even) td{background:#fafafa}

/* --- Sidebar widgets --- */
.pc-search{display:flex;margin-bottom:22px}
.pc-search input{flex:1;min-width:0;padding:12px 14px;border:1px solid var(--line);border-right:0;font:inherit;background:#fff}
.pc-search button{width:48px;flex:none;background:var(--ink);border:0;color:#fff;cursor:pointer;display:grid;place-items:center}
.pc-search button:hover{background:var(--red)}
.pc-widget{background:#fff;border:1px solid var(--line);padding:20px;margin-bottom:22px}
.pc-widget h3{font-family:var(--body);font-size:15px;font-weight:700;text-transform:uppercase;letter-spacing:.03em;margin-bottom:14px;position:relative;padding-left:14px}
.pc-widget h3::before{content:"";position:absolute;left:0;top:5px;width:7px;height:7px;border-radius:50%;background:var(--red)}
.pc-widget ul{list-style:none;margin:0;padding:0}
.pc-widget li{padding:9px 0;border-bottom:1px dashed var(--line)}
.pc-widget li:last-child{border-bottom:0}
.pc-widget li a{font-size:14.5px;font-weight:500;line-height:1.4}
.pc-widget li a:hover{color:var(--red)}
.pc-quote{background:var(--ink);color:#fff;padding:22px;margin-bottom:22px}
.pc-quote h3{color:#fff;font-family:var(--body);font-size:16.5px;font-weight:700;margin-bottom:8px;text-transform:uppercase}
.pc-quote p{color:#c9cdc7;font-size:14px;margin:0 0 16px;line-height:1.55}
.pc-quote .pc-btn{width:100%;justify-content:center;margin-bottom:10px;padding:12px 16px}
.pc-quote .pc-btn--ghost{background:transparent;border:2px solid #fff}
.pc-quote .pc-btn--ghost:hover{background:#fff;color:var(--ink)}
.pc-mini{display:flex;gap:12px;padding:11px 0;border-bottom:1px dashed var(--line)}
.pc-mini:last-child{border-bottom:0}
.pc-mini img{width:74px;height:74px;object-fit:cover;flex:none;border-radius:4px;margin:0}
.pc-mini-body h4{font-family:var(--body);font-size:14px;font-weight:600;line-height:1.35;margin:0}
.pc-mini-body h4 a:hover{color:var(--red)}
.pc-mini-body time{font-size:12.5px;color:var(--steel)}

/* --- Card "Xem thêm" + lưới 3 cột cho trang sản phẩm / chuyên mục blog --- */
.pc-more{display:inline-flex;align-items:center;gap:4px;margin-top:auto;font-size:13.5px;font-weight:700;color:var(--red)}
.pc-more:hover{text-decoration:underline}
.pc-card-img{display:block;aspect-ratio:4/3;overflow:hidden;border-bottom:1px solid var(--line)}
.pc-card-img img{width:100%;height:100%;object-fit:cover;margin:0}
.pc-card.sp .pc-card-img{aspect-ratio:1/1;padding:14px;background:#fff}
.pc-card.sp .pc-card-img img{object-fit:contain}
.pc-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}

@media(max-width:960px){
.pc-content{grid-template-columns:1fr}
.pc-grid-3{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:640px){
.pc-grid-3{grid-template-columns:1fr}
}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}