/* HT Computer – theme A: CSS chung (header, menu, footer, nút, thẻ sản phẩm, trang nội dung).
   Quy ước: bo 6px, viền 1px, không đổ bóng, font hệ thống. */
:root{
	--red:#ed1c24;        /* đỏ thương hiệu: nền header, nhãn giảm giá */
	--red-ink:#c4161c;    /* đỏ cho chữ nhỏ trên nền trắng (đủ tương phản) */
	--red-dark:#a10f15;   /* hover của nút đỏ */
	--red-foot:#b3131a;   /* nền footer */
	--yellow:#ffdd00;
	--orange:#ff5c01;
	--ink:#252525;
	--muted:#5f5f5f;
	--line:#e3e3e3;
	--bg:#f6f6f4;
	--r:6px;
	--font:"Segoe UI","Helvetica Neue",Roboto,"Noto Sans",Arial,system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font:16px/1.55 var(--font);color:var(--ink);background:#fff;-webkit-font-smoothing:antialiased}
img,svg,video{max-width:100%}
img{height:auto;display:block}
a{color:inherit;text-decoration:none}
a:hover{color:var(--red-ink)}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--ink);outline-offset:2px;border-radius:var(--r)}
.header :focus-visible,.footer :focus-visible{outline-color:var(--yellow)}
.wrap{max-width:1240px;margin:0 auto;padding:0 24px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip:focus{position:fixed;left:8px;top:8px;width:auto;height:auto;clip:auto;background:#fff;color:var(--ink);padding:8px 14px;border:1px solid var(--ink);border-radius:var(--r);z-index:200}
svg.i{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex:none}
.muted{color:var(--muted)}

/* topbar */
.topbar{background:var(--bg);border-bottom:1px solid var(--line);font-size:13px;color:var(--muted)}
.topbar .wrap{display:flex;justify-content:space-between;align-items:center;height:36px;gap:16px}
.topbar ul{display:flex;gap:22px;list-style:none;margin:0;padding:0}

/* header đỏ, dính khi cuộn */
.header{background:var(--red);color:#fff;position:sticky;top:0;z-index:50}
.admin-bar .header{top:32px}
.header .main{display:flex;align-items:center;gap:24px;height:72px}
.logo{display:block;flex:none;line-height:0}
.logo img{height:36px;width:auto}
.sform{flex:1;display:flex;align-items:center;background:#fff;border:1px solid #fff;border-radius:var(--r);padding:0 4px 0 16px;height:44px;max-width:560px;color:var(--ink)}
.sform:focus-within{outline:2px solid var(--yellow);outline-offset:1px}
.sform input[type=search]{flex:1;border:0;background:none;outline:0;min-width:0;height:100%;-webkit-appearance:none;appearance:none}
.sform button{border:0;background:var(--ink);color:#fff;width:36px;height:36px;border-radius:var(--r);display:grid;place-items:center;cursor:pointer;flex:none}
.sform button:hover{background:var(--red-dark)}
.hotline{display:flex;align-items:center;gap:10px;line-height:1.2;margin-left:auto}
.hotline .ic{width:40px;height:40px;border-radius:var(--r);background:rgba(255,255,255,.16);display:grid;place-items:center}
.hotline small{display:block;font-size:12.5px}
.hotline strong{font-size:19px;letter-spacing:.2px}
.hotline strong a{color:var(--yellow)}
.hotline strong a:hover{color:#fff}
.callbtn{display:none}
.hcart{position:relative;width:44px;height:44px;border-radius:var(--r);border:1px solid rgba(255,255,255,.6);display:grid;place-items:center;color:#fff;flex:none}
.hcart:hover{background:rgba(255,255,255,.14);color:#fff}
.hcart em{position:absolute;top:-6px;right:-6px;background:var(--yellow);color:var(--ink);font:700 11px/1 var(--font);min-width:19px;height:19px;border-radius:var(--r);display:grid;place-items:center;padding:0 5px;font-style:normal}
.burger{display:none;border:1px solid rgba(255,255,255,.6);background:none;color:#fff;width:42px;height:42px;border-radius:var(--r);cursor:pointer;place-items:center;flex:none}
.mrow{display:none}

/* menu danh mục */
.nav{background:#fff;color:var(--ink);border-bottom:1px solid var(--line)}
.nav ul{list-style:none;margin:0;padding:0}
.nav ul.top{display:flex;flex-wrap:wrap;justify-content:space-between;width:100%}
.nav li{position:relative}
.nav ul.top>li>a{display:flex;align-items:center;gap:6px;height:46px;padding:0 6px;font-weight:600;font-size:13.5px;white-space:nowrap;border-bottom:2px solid transparent;color:var(--ink)}
.nav ul.top>li:hover>a,.nav ul.top>li:focus-within>a,.nav ul.top>li.current-menu-item>a,.nav ul.top>li.current-menu-ancestor>a{color:var(--red-ink);border-color:var(--red)}
.nav ul.top>li.menu-item-has-children>a::after{content:"";width:6px;height:6px;border:solid currentColor;border-width:0 1.6px 1.6px 0;transform:rotate(45deg) translateY(-2px);flex:none}
.nav .sub-menu{position:absolute;left:0;top:100%;min-width:250px;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:6px;display:none;max-height:70vh;overflow:auto;z-index:5}
.nav ul.top>li:nth-last-child(-n+3) .sub-menu{left:auto;right:0}
.nav li:hover>.sub-menu,.nav li:focus-within>.sub-menu{display:block}
.nav .sub-menu a{display:block;padding:8px 12px;border-radius:4px;font-size:14px}
.nav .sub-menu a:hover{background:var(--bg);color:var(--red-ink)}

/* ngăn kéo mobile */
.drawer{position:fixed;inset:0;z-index:100;display:none}
.drawer.open{display:block}
.drawer[hidden]{display:none}
.drawer .back{position:absolute;inset:0;background:rgba(20,20,20,.5)}
.drawer .panel{position:absolute;left:0;top:0;bottom:0;width:min(86vw,340px);background:#fff;overflow:auto;padding:16px;overscroll-behavior:contain}
.drawer .head{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}
.drawer details{border-bottom:1px solid var(--line)}
.drawer summary{padding:14px 4px;font-weight:600;cursor:pointer;list-style:none;display:flex;justify-content:space-between}
.drawer summary::-webkit-details-marker{display:none}
.drawer summary::after{content:"+";color:var(--muted)}
.drawer details[open] summary::after{content:"–"}
.drawer details a{display:block;padding:9px 12px;color:var(--muted);font-size:15px}
.drawer .plain{display:block;padding:14px 4px;font-weight:600;border-bottom:1px solid var(--line)}
.drawer .plain.tel{color:var(--red-ink)}
.xbtn{border:1px solid var(--line);background:#fff;width:40px;height:40px;border-radius:var(--r);font-size:22px;line-height:1;cursor:pointer}

/* nút */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 22px;border-radius:var(--r);border:1px solid var(--ink);background:#fff;color:var(--ink);font-weight:600;cursor:pointer;transition:background-color .15s,color .15s,border-color .15s}
.btn:hover{background:var(--ink);color:#fff}
.btn.pri{background:var(--red-ink);border-color:var(--red-ink);color:#fff}
.btn.pri:hover{background:var(--red-dark);border-color:var(--red-dark);color:#fff}
.btn.sm{height:38px;padding:0 16px;font-size:14px}

/* breadcrumb (yoast_breadcrumb) */
.crumb{font-size:13.5px;color:var(--muted);padding:18px 0 6px}
.crumb a:hover{color:var(--red-ink)}
.crumb span[aria-hidden]{margin:0 8px;color:#aaa}
.crumb .breadcrumb_last{color:var(--ink)}

/* tiêu đề trang */
.page-h:first-child{margin-top:28px}
.page-h{display:flex;justify-content:space-between;align-items:flex-end;gap:20px;flex-wrap:wrap;margin:8px 0 24px}
.page-h h1{margin:0;font-size:32px;line-height:1.25;letter-spacing:-.01em}
.page-h p,.page-h .desc{margin:4px 0 0;font-size:14.5px}
.page-h .desc{color:var(--muted)}
.page-h .desc p{margin:0}

/* nội dung bài/trang */
.entry{max-width:860px}
.entry-img{margin:0 0 24px}
.entry-img img{border-radius:var(--r);width:100%}
.entry-content{font-size:16.5px;line-height:1.7;overflow-wrap:anywhere}
.entry-content h2,.entry-content h3,.entry-content h4{line-height:1.3;margin:1.6em 0 .6em}
.entry-content a{color:var(--red-ink);text-decoration:underline;text-underline-offset:2px}
.entry-content img{border-radius:var(--r)}
.entry-content table{width:100%;border-collapse:collapse;display:block;overflow-x:auto}
.entry-content th,.entry-content td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.entry-content blockquote{margin:1.4em 0;padding:4px 0 4px 18px;border-left:3px solid var(--red);color:var(--muted)}
.entry-content iframe{max-width:100%}
.alignleft{float:left;margin:0 20px 12px 0}
.alignright{float:right;margin:0 0 12px 20px}
.aligncenter{margin-left:auto;margin-right:auto}
.wp-caption{max-width:100%}
.wp-caption-text,.gallery-caption{font-size:13.5px;color:var(--muted)}
.tags{margin-top:28px;font-size:14px;color:var(--muted)}
.tags a{display:inline-block;border:1px solid var(--line);border-radius:var(--r);padding:3px 10px;margin:0 6px 6px 0}
.tags a:hover{border-color:var(--red);color:var(--red-ink)}
.post-nav{display:flex;justify-content:space-between;gap:16px;margin:40px 0;padding:18px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);font-weight:600;max-width:860px}
.post-nav a:hover{color:var(--red-ink)}
.page-links{margin:24px 0;font-weight:600}

/* danh sách bài */
.news{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.pcard{border:1px solid var(--line);border-radius:var(--r);padding:24px;display:flex;flex-direction:column;gap:12px;background:#fff;position:relative;transition:border-color .15s}
.pcard:hover{border-color:var(--red)}
.post-thumb{margin:-24px -24px 0;border-radius:var(--r) var(--r) 0 0;overflow:hidden}
.post-thumb img{width:100%;aspect-ratio:5/4;object-fit:cover}
.pcard time{display:inline-flex;align-items:center;gap:8px;color:var(--muted);font-size:13px}
.pcard h2,.pcard h3{overflow-wrap:anywhere;margin:0;font-size:18px;line-height:1.4}
.pcard h2 a::after,.pcard h3 a::after{content:"";position:absolute;inset:0}
.pcard .ex{margin:0;color:var(--muted);font-size:14.5px}
.pcard .rd{margin-top:auto;font-weight:600;color:var(--red-ink);font-size:14px;position:relative}
.empty{padding:48px 0;max-width:560px}
.empty .sform{max-width:none;border-color:var(--line)}
.notfound{text-align:center;padding:56px 0 24px;max-width:600px;margin:0 auto}
.notfound .code{font-size:88px;font-weight:700;line-height:1;margin:0;color:var(--red)}
.notfound h1{margin:12px 0 8px;font-size:28px}
.notfound .sform{margin:24px auto;max-width:none;border-color:var(--line)}

/* phân trang */
.pagination .nav-links{display:flex;justify-content:center;flex-wrap:wrap;gap:8px;margin-top:40px}
.pagination .page-numbers{min-width:42px;height:42px;border-radius:var(--r);display:grid;place-items:center;border:1px solid var(--line);font-weight:600;padding:0 12px}
.pagination a.page-numbers:hover{border-color:var(--red);color:var(--red-ink)}
.pagination .page-numbers.current{background:var(--ink);border-color:var(--ink);color:#fff}
.pagination .dots{border:0}

/* bình luận */
.comments{max-width:860px;margin:40px 0}
.comments-title,.comment-reply-title{font-size:22px;margin:0 0 16px}
.comment-list{list-style:none;margin:0 0 24px;padding:0}
.comment-list .children{list-style:none;padding-left:24px}
.comment-body{border:1px solid var(--line);border-radius:var(--r);padding:16px;margin-bottom:12px}
.comment-author{display:flex;align-items:center;gap:10px;font-weight:600}
.comment-author img{border-radius:var(--r)}
.comment-metadata{font-size:13px;color:var(--muted)}
.comment-form{display:grid;gap:14px}
.comment-form p{margin:0}
.comment-form label{display:block;font-size:14px;margin-bottom:4px}
.comment-form input[type=text],.comment-form input[type=email],.comment-form input[type=url],.comment-form textarea{width:100%;border:1px solid #c9c9c9;border-radius:var(--r);padding:10px 12px;background:#fff}
.comment-form input:focus,.comment-form textarea:focus{outline:2px solid var(--ink);outline-offset:1px}

/* lưới + thẻ sản phẩm (dùng chung trang chủ, danh mục, sản phẩm liên quan) */
.grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;display:flex;flex-direction:column;position:relative;transition:border-color .15s}
.card:hover{border-color:var(--red)}
.card .ph{background:#fff;aspect-ratio:5/4;display:grid;place-items:center;padding:14px;border-bottom:1px solid #f0f0f0}
.card .ph img{max-height:100%;width:auto;object-fit:contain}
.card .badge,.badge{position:absolute;top:10px;left:10px;background:var(--red-ink);color:#fff;font-size:12px;font-weight:700;border-radius:var(--r);padding:3px 8px;line-height:1.3;z-index:1}
.card .bd{padding:14px 16px 16px;display:flex;flex-direction:column;gap:6px;flex:1}
.card .cat{font-size:11.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.card h3{font-size:14.5px;line-height:1.4;font-weight:600;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:2.8em}
.card h3 a::after{content:"";position:absolute;inset:0}
.card .price{margin-top:auto;padding-top:6px;display:flex;align-items:baseline;gap:8px;flex-wrap:wrap}
.card .price b{font-size:18px;color:var(--red-ink)}
.card .price s{font-size:13px;color:var(--muted)}
.card .price .call{font-size:15px;font-weight:600}

/* footer */
.footer{background:var(--red-foot);color:#fff;margin-top:72px;padding:48px 0 0;font-size:14.5px}
.footer a{color:rgba(255,255,255,.92)}
.footer a:hover{color:var(--yellow)}
.footer .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
.footer .fh{margin:0 0 14px;font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:var(--yellow)}
.footer ul{list-style:none;margin:0;padding:0;display:grid;gap:9px}
.footer address{font-style:normal;display:grid;gap:8px;margin-top:16px;color:rgba(255,255,255,.92)}
.footer address b{color:#fff}
.footer .copy{margin-top:40px;border-top:1px solid rgba(255,255,255,.25);padding:18px 0;font-size:13px;display:flex;justify-content:space-between;gap:12px 24px;flex-wrap:wrap}

/* responsive */
@media (max-width:1280px){
	.nav ul.top>li>a{font-size:13px;padding:0 5px}
}
@media (max-width:1180px){
	/* ít chỗ cho 9 mục menu: dùng ngăn kéo */
	.nav{display:none}
	.burger{display:grid}
	.hotline small{display:none}
	.header .main{gap:14px}
}
@media (max-width:1100px){
	.grid{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media (max-width:860px){
	.news{grid-template-columns:repeat(2,minmax(0,1fr))}
	.footer .cols{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:782px){
	.admin-bar .header{top:46px}
}
@media (max-width:640px){
	body{font-size:15px}
	.wrap{padding:0 16px}
	.topbar,.header .hotline,.header .sform.desk{display:none}
	.header .main{height:60px;gap:8px}
	.logo img{height:30px}
	.callbtn{display:grid;place-items:center;margin-left:auto;width:42px;height:42px;border-radius:var(--r);border:1px solid rgba(255,255,255,.6);color:#fff;flex:none}
	.callbtn:hover{background:rgba(255,255,255,.14);color:#fff}
	.mrow{display:block;padding:0 0 10px}
	.mrow .sform{max-width:none;height:42px}
	.page-h h1{font-size:25px}
	.news{grid-template-columns:minmax(0,1fr)}
	.grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
	.card .bd{padding:12px 12px 14px}
	.card h3{font-size:13.5px;-webkit-line-clamp:3;min-height:4.2em}
	.card .price b{font-size:16px}
	.footer{margin-top:48px}
	.footer .cols{grid-template-columns:minmax(0,1fr);gap:28px}
	.post-nav{flex-direction:column}
	.notfound .code{font-size:64px}
}
@media (max-width:600px){
	.admin-bar .header{top:0}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}