/*
Theme Name: 5B GROUP
Theme URI: https://5bgroup.vn
Author: 5B GROUP
Description: Theme WordPress riêng cho 5B GROUP — thiết bị âm thanh chuyên nghiệp. Tương thích WooCommerce.
Version: 0.1.0
Requires at least: 6.0
Requires PHP: 8.0
License: GNU General Public License v2 or later
Text Domain: 5bgroup
*/

/* ===== Design tokens (đồng bộ với giao diện hiện tại) ===== */
:root{
  --gold:#E8A33D; --gold-2:#F5B43C; --gold-deep:#C9880E;
  --ink:#1A1A1A; --muted:#9CA3AF; --line:#ECECEC;
  --bg:#F5F5F7; --card:#FFFFFF;
  --max:1200px;
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;
  color:var(--ink); background:var(--bg); line-height:1.6;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
.container{max-width:var(--max);margin:0 auto;padding:0 16px}

/* ===== Header ===== */
.site-header{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 1px 8px rgba(0,0,0,.04)}
.site-header .bar{display:flex;align-items:center;gap:24px;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:.12em}
.brand .badge{width:38px;height:38px;border-radius:50%;background:#111119;border:2px solid rgba(232,163,61,.45);display:flex;align-items:center;justify-content:center;overflow:hidden}
.brand .badge img{width:100%;height:100%;object-fit:contain;padding:2px}
.main-nav ul{list-style:none;display:flex;gap:22px;margin:0;padding:0;flex-wrap:wrap}
.main-nav a{font-size:14px;font-weight:600;color:#444;padding:6px 0;transition:color .15s}
.main-nav a:hover{color:var(--gold)}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:14px}
.btn-gold{display:inline-flex;align-items:center;gap:8px;background:linear-gradient(90deg,var(--gold),var(--gold-2));color:#fff;font-weight:700;padding:10px 18px;border-radius:12px;box-shadow:0 4px 14px rgba(232,163,61,.3);border:0;cursor:pointer}
.btn-gold:hover{opacity:.92}

/* ===== Hero ===== */
.hero{background:linear-gradient(135deg,#111119,#1c1c28);color:#fff;padding:64px 0}
.hero h1{font-size:clamp(28px,4vw,44px);font-weight:800;margin:0 0 12px}
.hero p{color:#cbd5e1;max-width:640px;margin:0 0 24px}

/* ===== Section ===== */
.section{padding:48px 0}
.section h2{font-size:clamp(20px,3vw,28px);font-weight:800;margin:0 0 6px}
.section .sub{color:var(--muted);margin:0 0 24px}

/* ===== Footer ===== */
.site-footer{background:#111119;color:#cbd5e1;padding:40px 0;margin-top:48px}
.site-footer a:hover{color:var(--gold)}

/* ===================== WooCommerce ===================== */
.woo-wrap{padding-top:28px;padding-bottom:48px}
.woocommerce .woocommerce-result-count{color:var(--muted);font-size:14px}
.woocommerce-ordering{margin:0 !important}
.woocommerce-ordering select.orderby,select.orderby{height:40px !important;padding:0 34px 0 14px !important;border:1.5px solid var(--line) !important;border-radius:12px !important;background:#fff !important;color:var(--ink) !important;font-size:14px;font-weight:600;line-height:38px;cursor:pointer;box-sizing:border-box;max-width:220px}
.woocommerce-products-header__title,.woocommerce div.product .product_title,
.woocommerce .page-title{font-weight:800;color:var(--ink)}

/* ---- Lưới card sản phẩm (card nằm trong content-product.php) ---- */
ul.products{display:grid !important;grid-template-columns:repeat(4,1fr);gap:18px;margin:0 !important;padding:0 !important;list-style:none;align-content:start !important;align-items:start !important;justify-items:stretch}
ul.products::before,ul.products::after{display:none !important;content:none !important}
ul.products li.product{align-self:start !important}
ul.products li.product .fbg-card{height:auto !important}
ul.products li.product{width:auto !important;margin:0 !important;float:none !important;list-style:none;
  background:transparent !important;border:0 !important;box-shadow:none !important;padding:0 !important;overflow:visible;min-width:0}
ul.products li.product::before,ul.products li.product::after{display:none !important;content:none !important}
ul.products li.product .fbg-card{transition:box-shadow .28s,transform .28s}
ul.products li.product:hover .fbg-card{box-shadow:0 12px 32px rgba(0,0,0,0.09) !important;transform:translateY(-4px)}
/* Ép tên SP tối đa 3 dòng (fix chồng chữ lên sao/giá) */
.fbg-card h3{display:-webkit-box !important;-webkit-line-clamp:3 !important;-webkit-box-orient:vertical !important;overflow:hidden !important;height:4.2em !important;min-height:4.2em !important;max-height:4.2em !important}
/* Đẩy nút xuống đáy để thẳng hàng giữa các thẻ */
.fbg-card .p-4 > a:last-child,.fbg-card .p-4 > span:last-child{margin-top:auto !important}
.fbg-card .p-4{display:flex !important;flex-direction:column !important}
.fbg-card .p-4 > * + *{margin-top:10px !important}
.fbg-card .p-4 > *{margin-bottom:0 !important}
.woocommerce span.onsale{background:#F97316 !important;color:#fff;border-radius:6px;min-height:auto;min-width:auto;
  padding:2px 8px;font-weight:700;font-size:12px;line-height:1.4;top:12px;left:12px;margin:0}

/* ---- Nút ---- */
.woocommerce a.button,.woocommerce button.button,.woocommerce #respond input#submit,
.woocommerce button.button.alt,.woocommerce a.button.alt{
  background:linear-gradient(90deg,var(--gold),var(--gold-2)) !important;color:#fff !important;
  border-radius:10px;border:0;font-weight:700;padding:10px 18px}
.woocommerce a.button:hover,.woocommerce button.button:hover{opacity:.92}

/* ---- Trang chi tiết ---- */
.woocommerce div.product{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:40px}
.woocommerce div.product .woocommerce-product-gallery{margin:0}
.woocommerce div.product .summary{margin:0}
.woocommerce div.product p.price,.woocommerce div.product span.price{color:var(--gold-deep);font-weight:800;font-size:26px}
.woocommerce div.product p.price del{color:var(--muted);font-weight:400;font-size:18px}
.woocommerce div.product .woocommerce-tabs{grid-column:1 / -1}
.woocommerce div.product .related.products,.woocommerce div.product .upsells.products{grid-column:1 / -1}
.woocommerce #reviews{grid-column:1 / -1}
.woocommerce div.product .woocommerce-tabs ul.tabs li.active{border-bottom-color:var(--gold)}
.woocommerce .product_meta{font-size:13px;color:var(--muted)}
.woocommerce div.product .quantity .qty{border:1.5px solid var(--line);border-radius:8px;padding:8px}

/* ---- Breadcrumb ---- */
.woocommerce .woocommerce-breadcrumb{color:var(--muted);font-size:13px;padding:14px 0;margin:0}
.woocommerce .woocommerce-breadcrumb a{color:var(--muted)}
.woocommerce .woocommerce-breadcrumb a:hover{color:var(--gold)}

/* ---- Thanh lọc danh mục / thương hiệu ---- */
.fbg-filters{margin:0 0 22px}
.fbg-filter-row{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:10px}
.fbg-flabel{font-size:13px;font-weight:700;color:var(--ink);margin-right:4px;min-width:84px}
.fbg-pill{display:inline-block;padding:6px 14px;border-radius:999px;font-size:13px;font-weight:600;
  background:#fff;border:1.5px solid var(--line);color:#555;transition:all .15s}
.fbg-pill:hover{border-color:var(--gold);color:var(--gold-deep)}
.fbg-pill.active{background:linear-gradient(90deg,var(--gold),var(--gold-2));color:#fff;border-color:transparent}
.fbg-brandpill{display:inline-block;padding:4px 12px;border-radius:8px;font-size:12px;font-weight:600;background:#F5F5F7;border:1.5px solid transparent;color:#555;transition:all .15s}
.fbg-brandpill:hover{color:var(--gold-deep)}
.fbg-brandpill.active{background:#FFF8EE;border-color:var(--gold);color:var(--gold-deep);box-shadow:0 1px 6px rgba(232,163,61,.2)}
.fbg-brand-desc{background:#fff;border:1px solid var(--line);border-radius:14px;padding:16px 18px;margin:0 0 22px;
  color:#555;font-size:14px;line-height:1.7;box-shadow:0 2px 8px rgba(0,0,0,.04)}

/* ---- Trang chủ: section title + rail + banner + category strip ---- */
.fbg-sectitle{font-size:clamp(18px,2.5vw,24px);font-weight:800;color:var(--ink);position:relative;padding-bottom:8px;margin:0}
.fbg-sectitle::after{content:"";position:absolute;left:0;bottom:0;width:56px;height:3px;border-radius:2px;background:linear-gradient(90deg,var(--gold),var(--gold-2))}
/* Ép mọi ô ảnh VUÔNG bằng padding-bottom 100% (bền vững, không phụ thuộc aspect-ratio) */
.aspect-square{position:relative !important;overflow:hidden !important;aspect-ratio:auto !important;height:auto !important}
.aspect-square::before{content:"";display:block;padding-bottom:100%}
.aspect-square > img,.aspect-square > button > img{position:absolute !important;inset:0;width:100% !important;height:100% !important;object-fit:contain}
.fbg-card .aspect-square > img{padding:12px;box-sizing:border-box}
ul.products.fbg-rail{display:flex !important;grid-template-columns:none !important;overflow-x:auto;overflow-y:hidden;gap:16px;margin:0 !important;padding:0 0 10px !important;list-style:none;align-items:flex-start}
ul.products.fbg-rail li.product{min-width:222px !important;max-width:222px !important;flex:0 0 auto !important;
  list-style:none;background:transparent !important;border:0 !important;box-shadow:none !important;padding:0 !important;margin:0 !important;float:none !important;width:222px !important}
/* Phá vòng lặp chiều cao trong rail: card cao tự nhiên, ô ảnh cao cố định 222px */
ul.products.fbg-rail li.product .fbg-card{height:auto !important}
ul.products.fbg-rail .aspect-square{height:222px !important;aspect-ratio:auto !important}
.fbg-banner{position:relative;border-radius:12px;overflow:hidden;background:#0d0d14;height:100%}
.fbg-banner .slide{display:none;height:100%}.fbg-banner .slide.active{display:block;height:100%}
.fbg-banner img{width:100%;height:100%;object-fit:cover;display:block}
/* Hero: banner trái + hộp Tin & dự án phải (desktop) */
.fbg-hero{display:flex;flex-direction:column;gap:12px}
.fbg-hero .fbg-hero-main{aspect-ratio:2.4/1}
.fbg-hero aside{display:none}
@media(min-width:1024px){
  .fbg-hero{flex-direction:row;height:392px}
  .fbg-hero .fbg-hero-main{flex:1;min-width:0;height:100%;aspect-ratio:auto}
  .fbg-hero aside{display:flex;flex-direction:column;height:100%;width:300px;flex-shrink:0}
}
.fbg-banner-nav{position:absolute;top:50%;transform:translateY(-50%);width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,.9);border:0;cursor:pointer;z-index:20;display:flex;align-items:center;justify-content:center;transition:background .15s}
.fbg-banner-nav:hover{background:#fff}
.fbg-banner-nav.prev{left:8px}.fbg-banner-nav.next{right:8px}
.fbg-rail-wrap{position:relative}
.fbg-rail-nav{position:absolute;top:40%;transform:translateY(-50%);width:40px;height:40px;border-radius:50%;background:#fff;border:1px solid #ECECEC;cursor:pointer;z-index:20;display:flex;align-items:center;justify-content:center;box-shadow:0 2px 12px rgba(0,0,0,.18);opacity:0;transition:opacity .2s}
.fbg-rail-wrap:hover .fbg-rail-nav{opacity:1}
.fbg-rail-nav.prev{left:-12px}.fbg-rail-nav.next{right:-12px}
@media(max-width:767px){.fbg-rail-nav{display:none}}
.fbg-banner .dots{position:absolute;bottom:12px;left:0;right:0;display:flex;justify-content:center;gap:8px;z-index:20}
.fbg-banner .dot{width:8px;height:8px;border-radius:999px;background:rgba(255,255,255,.8);cursor:pointer;border:0;transition:all .3s}
.fbg-banner .dot.active{width:26px;background:#E8A33D}
.fbg-banner .dot{width:9px;height:9px;border-radius:50%;background:rgba(255,255,255,.5);cursor:pointer;border:0}
.fbg-banner .dot.active{background:var(--gold)}
.fbg-catstrip{display:grid;grid-template-columns:repeat(8,1fr);gap:12px}
.fbg-catstrip a{display:flex;flex-direction:column;align-items:center;gap:6px;padding:14px 6px;border-radius:14px;background:#fff;border:1px solid var(--line);text-align:center;transition:all .18s}
.fbg-catstrip a:hover{border-color:var(--gold);transform:translateY(-2px);box-shadow:0 8px 20px rgba(232,163,61,.12)}
.fbg-catstrip img{width:44px;height:44px;object-fit:contain}
.fbg-catstrip span{font-size:12px;font-weight:600;color:var(--ink);line-height:1.3}
@media(max-width:1024px){.fbg-catstrip{grid-template-columns:repeat(4,1fr)}.woocommerce ul.products.fbg-rail li.product{min-width:200px;max-width:200px}}
@media(max-width:640px){.fbg-catstrip{grid-template-columns:repeat(3,1fr)}.woocommerce ul.products.fbg-rail li.product{min-width:165px;max-width:165px}}

/* ---- Trang chủ: dải danh mục (ô vuông xám, chỉ icon) giống HOME_CATS ---- */
.hc-strip{display:flex;flex-wrap:wrap;justify-content:center;gap:10px}
.hc-strip lg\:gap-4,.hc-strip{gap:16px}
.hc-tile{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;background:#fff;border:1.5px solid #1A1A1A;border-radius:16px;aspect-ratio:1/1;max-width:240px;flex:0 0 17%;transition:box-shadow .2s,transform .2s,border-color .2s;padding:8px;text-align:center}
.hc-tile:hover{box-shadow:0 6px 16px rgba(0,0,0,.12)}
.hc-tile:active{transform:scale(.96)}
.hc-ico{flex:1 1 auto;width:100%;min-height:0;display:flex;align-items:center;justify-content:center;transition:transform .3s;color:#1A1A1A}
.hc-ico .fbg-svgico{shape-rendering:geometricPrecision;stroke:#1A1A1A;width:100%!important;height:100%!important}
.hc-ico img{max-width:98%;max-height:98%;width:auto;height:auto;object-fit:contain}
.hc-tile:hover .hc-ico{transform:scale(1.05)}
.hc-label{font-size:12.5px;font-weight:600;line-height:1.25;color:#333;letter-spacing:-0.01em}
@media(max-width:640px){.hc-label{font-size:11px}}
@media(max-width:1024px){.hc-tile{flex:0 0 22%}}
@media(max-width:640px){.hc-tile{flex:0 0 30%}}

/* ---- Trang chủ: ô danh mục (cũ, không dùng) ---- */
.cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.cat-tile{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;
  background:var(--card);border:1px solid var(--line);border-radius:16px;padding:22px 12px;text-align:center;
  font-weight:700;color:var(--ink);box-shadow:0 2px 8px rgba(0,0,0,.04);transition:all .18s}
.cat-tile:hover{border-color:var(--gold);transform:translateY(-2px);box-shadow:0 8px 22px rgba(232,163,61,.15)}
.cat-tile .ic{font-size:30px}

/* ---- Bài viết (blog) ---- */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.post-card{background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden;
  box-shadow:0 2px 8px rgba(0,0,0,.04);display:flex;flex-direction:column;transition:all .18s}
.post-card:hover{box-shadow:0 8px 24px rgba(0,0,0,.10);transform:translateY(-2px)}
.post-card .thumb{aspect-ratio:16/10;object-fit:cover;width:100%;background:#eee}
.post-card .body{padding:16px}
.post-card h3{margin:0 0 8px;font-size:16px;line-height:1.4}
.post-card h3 a{color:var(--ink)}
.post-card h3 a:hover{color:var(--gold-deep)}
.post-card .ex{margin:0;color:var(--muted);font-size:14px}
.single-post{max-width:820px;margin:0 auto}
.single-post .cover{width:100%;border-radius:16px;margin:0 0 22px;object-fit:cover;max-height:440px}
.single-post h1{font-size:clamp(24px,3.5vw,34px);font-weight:800;margin:0 0 10px}
.single-post .meta{color:var(--muted);font-size:13px;margin-bottom:22px}
.single-post .content{font-size:16px;line-height:1.8;color:#333}
.single-post .content img{border-radius:10px;margin:14px 0}
.single-post .content h2,.single-post .content h3{margin:26px 0 10px;font-weight:800}

/* ---- Responsive ---- */
@media(max-width:1024px){.woocommerce ul.products{grid-template-columns:repeat(3,1fr)}.cat-grid{grid-template-columns:repeat(3,1fr)}.post-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:768px){
  .woocommerce ul.products{grid-template-columns:repeat(2,1fr);gap:12px}
  .woocommerce div.product{grid-template-columns:1fr;gap:20px}
  .woocommerce div.product p.price,.woocommerce div.product span.price{font-size:22px}
  .cat-grid{grid-template-columns:repeat(2,1fr)}
  .post-grid{grid-template-columns:1fr}
  .main-nav ul{gap:14px}
  .fbg-flabel{min-width:auto;width:100%}
}

/* Phân trang Tin tức/Dự án */
.fbg-pagination ul{list-style:none;display:flex;align-items:center;justify-content:center;gap:8px;padding:0;margin:0;flex-wrap:wrap}
.fbg-pagination li{margin:0}
.fbg-pagination .page-numbers{display:inline-flex;align-items:center;justify-content:center;min-width:40px;height:40px;padding:0 12px;border-radius:10px;border:1px solid #E5E5E5;background:#fff;color:#555;font-size:14px;font-weight:600;text-decoration:none;transition:all .15s}
.fbg-pagination a.page-numbers:hover{border-color:#E8A33D;color:#C9880E;background:#FFF9EF}
.fbg-pagination .page-numbers.current{background:linear-gradient(90deg,#E8A33D,#F5B43C);border-color:#E8A33D;color:#1A1A1A;box-shadow:0 4px 14px rgba(232,163,61,.35)}
.fbg-pagination .page-numbers.dots{border:none;background:transparent}
.post-card{transition:transform .18s,box-shadow .18s}
.post-card:hover{transform:translateY(-4px);box-shadow:0 10px 28px rgba(0,0,0,.10)!important}

/* Marquee thương hiệu: chạy mặc định, dừng khi hover (app.css flatten mất :hover) */
.marquee-track{animation-play-state:running !important}
.marquee-wrap:hover .marquee-track{animation-play-state:paused !important}
.fbg-logo-marquee{height:64px;overflow:hidden}
.fbg-logo-marquee .marquee-track{align-items:center}
.fbg-logopill{display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;padding:0 24px;height:64px;border-radius:12px;background:#fff;border:1px solid #ECECEC;box-shadow:0 1px 4px rgba(0,0,0,.04)}
.fbg-logopill img{max-height:40px;max-width:130px;object-fit:contain;display:block}

/* ===== Trang giỏ hàng ===== */
.fbg-cart-item{transition:box-shadow .18s}
.fbg-cart-item:hover{box-shadow:0 4px 16px rgba(0,0,0,.08)!important}
.fbg-back:hover{color:#1A1A1A!important}
.fbg-clear:hover{color:#EF4444!important}
.fbg-item-name:hover{color:#E8A33D!important}
.fbg-item-remove:hover{color:#EF4444!important}
.fbg-qty-input{width:38px;text-align:center;font-size:14px;font-weight:600;color:#1A1A1A;background:transparent;border:none;outline:none;-moz-appearance:textfield;appearance:textfield}
.fbg-qty-input::-webkit-outer-spin-button,.fbg-qty-input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}
.fbg-qty-dec:hover,.fbg-qty-inc:hover{color:#1A1A1A!important}
.fbg-coupon-input:focus{border-color:#E8A33D!important}
.fbg-coupon-apply:hover{background:#FFF0D6!important}
.fbg-phone-btn:hover{border-color:#E8A33D!important}

/* Icon line đen-trắng */
.fbg-svgico{display:inline-block;vertical-align:middle;flex:none}


/* Lưới bài viết trang chủ (Dự án/Tin tức): desktop 4 cột, tablet 3, mobile 2 — như web cũ */
.post-grid-home{grid-template-columns:repeat(4,1fr)}
.post-grid-home .post-card h3{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
@media(max-width:1024px){.post-grid-home{grid-template-columns:repeat(3,1fr)}}
@media(max-width:768px){
  .post-grid-home{grid-template-columns:repeat(2,1fr)!important;gap:14px}
  .post-grid-home .post-card h3{font-size:14px;line-height:1.35}
  .post-grid-home .post-card .ex{display:none}
  .post-grid-home .post-card .body{padding:12px}
}

/* Khung ảnh bài nổi bật (Tin tức/Dự án) — chiều cao cố định, crop như web cũ */
.fbg-feat-img{height:240px}
@media(min-width:1024px){.fbg-feat-img{height:340px}}

/* Nút "Xem tất cả" dưới lưới Dự án/Tin tức trang chủ */
.fbg-viewall{display:inline-block;font-weight:800;font-size:15px;color:#1A1A1A;letter-spacing:.3px;transition:color .15s}
.fbg-viewall:hover{color:#C0161C}

/* =====================================================================
   2026-10 · Giao diện mới theo mockup: header đen + bộ icon ICON-160x160,
   lưới 9 ô danh mục, banner mobile tách 2 phần, thanh dưới đáy mobile
   ===================================================================== */
.fbg-hdr{background:#000}
.fbg-logo-wrap{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1px}
.fbg-logo-cap{font-size:10px;line-height:1.1;color:#fff;white-space:nowrap;text-align:center}
@media(max-width:1023px){.fbg-logo-cap{font-size:7.5px}}
.fbg-navpill{background:#141414;border-radius:10px;padding:4px 8px}
.fbg-navtxt{color:#CAB28E}
.fbg-navpill:hover .fbg-navtxt{color:#fff}
.fbg-catbtn{background:#262626;color:#CAB28E;border:1px solid #333}
.fbg-search-btn{background:#CAB28E;color:#000;border-radius:999px;min-width:46px}
.fbg-mtxt{color:#CAB28E}

/* ---- Lưới 9 ô danh mục (ảnh ICON-160x160/4..12 đã có sẵn chữ + mũi tên) ---- */
.hc-sec{padding:5px 0 8px}
.hc-wrap{padding:0 13px}
.hc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:9px}
.hc-card{display:flex;align-items:center;justify-content:center;aspect-ratio:1.25/1;background:#fff;border:2px solid #D5D5D5;border-radius:16px;overflow:hidden;transition:background .15s,transform .15s}
.hc-card img{height:100%;width:auto;max-width:100%;object-fit:contain;display:block}
.hc-card:hover,.hc-card:active{background:#F0F0F0}
.hc-card:active{transform:scale(.97)}
@media(min-width:640px) and (max-width:1023px){.hc-grid{max-width:520px;margin:0 auto}}
@media(min-width:1024px){
  .hc-sec{padding:18px 0 6px}
  .hc-wrap{padding:0 16px;max-width:1200px;margin:0 auto}
  .hc-grid{grid-template-columns:repeat(9,1fr);gap:10px}
}
@media(min-width:1280px){.hc-wrap{padding:0 32px}}

/* ---- Banner mobile: A (1,2,4) trên lưới, B (3,5,6) dưới lưới ---- */
.fbg-mb .fbg-banner{border-radius:0}
.fbg-mb .fbg-banner-nav{display:none}
.fbg-mb .fbg-banner .dots{bottom:8px}
.fbg-mb .fbg-banner .dot{width:8px;height:8px;background:rgba(255,255,255,.9)}
.fbg-mb .fbg-banner .dot.active{width:8px;background:#6E6E6E}
.fbg-mb-a{aspect-ratio:2.1/1;background:#000}
.fbg-mb-b{aspect-ratio:2.1/1;margin:8px 4px 12px;border-radius:10px;overflow:hidden}
.fbg-mb-b .fbg-banner{border-radius:10px}

/* ---- Thanh điều hướng nhanh dưới đáy (mobile) ---- */
.fbg-bb-space{height:66px}
.fbg-bb{position:fixed;left:0;right:0;bottom:0;z-index:40;display:flex;align-items:stretch;background:#fff;border-radius:16px 16px 0 0;box-shadow:0 -2px 12px rgba(0,0,0,.14)}
.fbg-bb > a,.fbg-bb > button{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;padding:7px 0 5px;background:none;border:0;cursor:pointer}
.fbg-bb img{width:32px;height:32px;object-fit:contain}
.fbg-bb span{font-size:10.5px;font-weight:500;line-height:1.1;color:#222;text-align:center;white-space:nowrap}
.fbg-bb > a:active,.fbg-bb > button:active{opacity:.7}
/* Mobile-only: không để display:flex của thanh dưới đáy đè lên lg:hidden */
@media(min-width:1024px){.fbg-bb,.fbg-bb-space{display:none !important}}
/* Mobile: vùng lưới danh mục + banner B nền trắng như mockup */
@media(max-width:1023px){.hc-sec{background:#fff}.fbg-mb-bwrap{background:#fff;padding:8px 4px 12px}.fbg-mb-bwrap .fbg-mb-b{margin:0}}
/* Desktop: phóng to ô danh mục — 5 ô/hàng, hàng cuối căn giữa */
@media(min-width:1024px){
  .hc-grid{display:flex;flex-wrap:wrap;justify-content:center;gap:16px}
  .hc-card{flex:0 0 calc((100% - 64px) / 5)}
}
/* Header desktop: hàng nav 2 xếp sát như hàng 1, ô Danh mục sản phẩm giãn hết phần còn lại */
.fbg-navrow2{justify-content:flex-start}
.fbg-navrow2 #fbg-catdrop{width:auto}
/* Menu danh mục (dropdown desktop + drawer mobile): icon to hơn */
[data-fbg-menu="catmenu"] a img{width:30px !important;height:30px !important}
[data-fbg-drawer] a img{width:32px !important;height:32px !important}
/* Dòng "Âm thanh chuyên nghiệp" dưới logo: nhẹ, thoáng, mịn hơn */
.fbg-logo-wrap{gap:3px}
.fbg-logo-cap{font-weight:400;color:#E6DFD0;letter-spacing:.04em;font-size:10.5px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:geometricPrecision}
@media(max-width:1023px){.fbg-logo-cap{font-size:7.5px;letter-spacing:.02em}}
/* Banner B (mobile, dưới lưới danh mục): mỏng, ảnh 2100x700px -> tỉ lệ 3:1 */
.fbg-mb-b{aspect-ratio:3/1}
/* Banner B (mobile, dưới lưới danh mục): khung mỏng 3:1 (2100x700), ảnh hiển thị đủ không cắt */
.fbg-mb-b{aspect-ratio:3/1;background:#0b0b12}
.fbg-mb-b .fbg-banner{background:#0b0b12}
.fbg-mb-b .fbg-banner img{object-fit:contain}