/* Đợt 9 — CSS trang trong dùng chung (astra/a1-b9-inner.css, nạp sau a0-b9-base.css, trước CSS riêng site). Dùng biến của _b9_base.css. */
.b9i-wrap, .b9i-page #content { background: #fff; }
.b9i-sec { padding: 50px 0; }
.b9i-sec.b9i-bg { background: var(--bg2); }
.b9i-sec-t { font-size: 34px; line-height: 1.2; font-weight: 700; margin: 0 0 8px; letter-spacing: -.01em; }
.b9i-sec-s { color: var(--mu); font-size: 16px; margin: 0 0 26px; }
.b9i-k { color: var(--c1t, var(--c1)); font-weight: 700; font-size: 14px; letter-spacing: .06em; text-transform: uppercase; margin: 0 0 10px; }
/* breadcrumb + dải tiêu đề */
.b9i-crumb { font-size: 14px; color: var(--mu); display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.b9i-crumb a { color: var(--mu) !important; }
.b9i-crumb a:hover { color: var(--c1t, var(--c1)) !important; }
.b9i-crumb em { font-style: normal; color: var(--c1t, var(--c1)); }
.b9i-crumbbar { border-top: 1px solid var(--line); padding: 16px 0 6px; }
.b9i-band { background: var(--bg2); padding: 22px 0 30px; }
.b9i-band-t { font-size: 46px; line-height: 1.15; font-weight: 800; margin: 12px 0 8px; letter-spacing: -.02em; }
.b9i-band-s { font-size: 18px; color: var(--mu); margin: 0; max-width: 820px; }
/* hero chia đôi (chữ | ảnh) */
.b9i-hero { padding: 18px 0 30px; }
.b9i-hero-in { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); gap: 40px; align-items: center; }
.b9i-hero h1 { font-size: 48px; line-height: 1.12; font-weight: 800; margin: 0 0 18px; letter-spacing: -.02em; }
.b9i-hero p.b9i-lead { font-size: 17px; line-height: 1.6; color: var(--mu); margin: 0 0 26px; max-width: 560px; }
.b9i-hero-img img { width: 100%; height: 100%; max-height: 520px; object-fit: cover; border-radius: var(--r); display: block; }
.b9i-btns { display: flex; flex-wrap: wrap; gap: 12px; }
.b9i-btns a { min-width: 190px; min-height: 48px; }
.b9i-note { margin-top: 16px; color: var(--mu); font-size: 14px; display: flex; align-items: center; gap: 8px; }
.b9i-note .b9-ic { color: var(--c1); }
/* dải cam kết 4 ô */
.b9i-feat { display: grid; grid-template-columns: repeat(var(--n, 4), minmax(0, 1fr)); padding: 26px 0; }
.b9i-feat > div { display: flex; gap: 14px; align-items: center; padding: 0 22px; border-left: 1px solid var(--line); }
.b9i-feat > div:first-child { border-left: 0; padding-left: 0; }
.b9i-feat img { width: 46px; height: 46px; object-fit: contain; flex: none; }
.b9i-feat b { display: block; font-size: 16.5px; color: var(--ink); line-height: 1.3; }
.b9i-feat span { display: block; font-size: 13.5px; color: var(--mu); margin-top: 3px; }
/* thẻ icon (dịch vụ) */
.b9i-icards { display: grid; grid-template-columns: repeat(var(--n, 4), minmax(0, 1fr)); gap: 18px; }
.b9i-icard { background: #fff; border: 1px solid var(--line); border-radius: var(--r); padding: 22px 18px 20px; text-align: center; display: flex; flex-direction: column; align-items: center; }
.b9i-icard img { width: 52px; height: 52px; object-fit: contain; margin-bottom: 12px; }
.b9i-icard h3 { font-size: 17px; margin: 0 0 6px; font-weight: 700; }
.b9i-icard p { font-size: 14px; color: var(--mu); margin: 0 0 14px; line-height: 1.5; }
.b9i-icard .b9i-ia { margin-top: auto; display: flex; gap: 14px; align-items: center; justify-content: center; }
.b9i-icard .b9i-ia a.b9-btn { min-height: 34px; padding: 0 16px; font-size: 13.5px; }
.b9i-link { color: var(--c1t, var(--c1)) !important; font-weight: 600; font-size: 14px; display: inline-flex; align-items: center; gap: 4px; }
/* bảng */
.b9i-tblw { border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; }
table.b9i-tbl { width: 100%; border-collapse: collapse; margin: 0; }
.b9i-tbl th, .b9i-tbl td { text-align: left; padding: 13px 18px !important; border: 0; border-top: 1px solid var(--line); font-size: 15px; color: var(--ink); }
.b9i-tbl thead th { background: var(--bg2); border-top: 0; font-weight: 700; font-size: 14.5px; text-transform: none; letter-spacing: 0; }
.b9i-tbl td.b9i-hl { color: var(--c1t, var(--c1)); font-weight: 600; }
.b9i-small { font-size: 13.5px; color: var(--mu); margin: 10px 0 0; }
/* quy trình */
.b9i-steps { display: grid; grid-template-columns: repeat(var(--n, 4), minmax(0, 1fr)); gap: 24px; }
.b9i-step { text-align: center; position: relative; }
.b9i-step img { width: 56px; height: 56px; object-fit: contain; margin: 0 auto 12px; display: block; }
.b9i-step h3 { font-size: 17px; margin: 0 0 6px; font-weight: 700; }
.b9i-step h3 em { color: var(--c1t, var(--c1)); font-style: normal; margin-right: 6px; }
.b9i-step p { font-size: 14.5px; color: var(--mu); margin: 0 auto; max-width: 240px; line-height: 1.55; }
.b9i-step + .b9i-step::before { content: ""; position: absolute; left: -18px; top: 22px; width: 12px; height: 12px; border-right: 2px solid #9aa0a8; border-top: 2px solid #9aa0a8; transform: rotate(45deg); }
/* hỏi đáp */
.b9i-faq { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.9fr); gap: 40px; align-items: start; }
.b9i-faq h2 { font-size: 34px; line-height: 1.2; margin: 0 0 12px; }
.b9i-faq > div > p { color: var(--mu); font-size: 16px; }
.b9i-qa { border: 1px solid var(--line); border-radius: var(--r); background: #fff; }
.b9i-qa details { border-top: 1px solid var(--line); padding: 0 20px; }
.b9i-qa details:first-child { border-top: 0; }
.b9i-qa summary { list-style: none; cursor: pointer; padding: 16px 30px 16px 0; font-weight: 600; font-size: 16px; color: var(--ink); position: relative; }
.b9i-qa summary::-webkit-details-marker { display: none; }
.b9i-qa summary::after { content: "+"; position: absolute; right: 0; top: 12px; font-size: 24px; font-weight: 400; color: var(--c1); line-height: 1; }
.b9i-qa details[open] summary::after { content: "−"; }
.b9i-qa details > div { padding: 0 0 16px; color: var(--mu); font-size: 15px; line-height: 1.6; }
/* hộp liên hệ tối + form */
.b9i-ask { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 20px; }
.b9i-ask-l { background: var(--c2); color: #fff; border-radius: var(--r); padding: 36px 30px; }
.b9i-ask-l h2 { color: #fff; font-size: 30px; line-height: 1.25; margin: 0 0 24px; }
.b9i-ask-l ul { list-style: none; margin: 0; padding: 0; }
.b9i-ask-l li { display: flex; gap: 14px; align-items: center; margin: 0 0 16px; font-size: 18px; color: #fff; }
.b9i-ask-l li i { width: 40px; height: 40px; border-radius: 50%; background: var(--c1); display: inline-flex; align-items: center; justify-content: center; flex: none; }
.b9i-ask-l li i .b9-ic { width: 20px; height: 20px; color: #fff; }
.b9i-ask-l a { color: #fff !important; }
.b9i-fcard { background: #fff; border: 1px solid var(--line); border-radius: var(--r); padding: 28px 30px; }
.b9i-fcard h2, .b9i-fcard h3 { font-size: 22px; margin: 0 0 6px; }
.b9i-fcard > p { color: var(--mu); margin: 0 0 18px; font-size: 15px; }
.b9i-fg2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px 20px; margin-bottom: 14px; }
.b9i-fg2 .b9i-full { grid-column: 1 / -1; }
.b9i-fg2 > div { min-width: 0; }
.b9i-form-f { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; margin-top: 6px; }
.b9i-form-f button { min-width: 200px; min-height: 46px; }
.b9i-form-f small { color: var(--mu); font-size: 13px; }
.b9-form label em { color: var(--c1t, var(--c1)); font-style: normal; }
/* thẻ liên hệ + giờ làm việc */
.b9i-contact { display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr); gap: 24px; align-items: start; }
.b9i-ccol h2 { font-size: 30px; margin: 4px 0 16px; }
.b9i-cc { display: flex; gap: 20px; align-items: center; border: 1px solid var(--line); border-radius: var(--r); padding: 20px 22px; margin-bottom: 14px; background: #fff; }
.b9i-cc .b9-ic { width: 56px; height: 56px; color: var(--c1); flex: none; stroke-width: 1.6; }
.b9i-cc small { display: block; font-size: 14px; color: var(--ink); font-weight: 600; }
.b9i-cc b, .b9i-cc a.b9i-cv { display: block; font-size: 22px; color: var(--c1t, var(--c1)) !important; font-weight: 700; line-height: 1.3; overflow-wrap: anywhere; }
.b9i-cc span { display: block; font-size: 14px; color: var(--mu); margin-top: 2px; }
.b9i-cc b.b9i-addr { color: var(--ink) !important; font-size: 18px; }
.b9i-hours { background: var(--bg2); border-radius: var(--r); padding: 22px; }
.b9i-hours > div { display: flex; gap: 20px; align-items: center; padding-bottom: 18px; border-bottom: 1px solid var(--line); margin-bottom: 16px; }
.b9i-hours .b9-ic { width: 62px; height: 62px; color: var(--c1); flex: none; stroke-width: 1.6; }
.b9i-hours b { display: block; font-size: 30px; color: var(--c1t, var(--c1)); font-weight: 700; line-height: 1.2; }
.b9i-hours small { display: block; font-size: 15px; color: var(--ink); font-weight: 600; }
.b9i-hours span { display: block; color: var(--mu); font-size: 14.5px; }
.b9i-hours p { margin: 0; color: var(--mu); font-size: 14.5px; }
/* bản đồ */
.b9i-maphd { display: flex; justify-content: space-between; align-items: flex-end; gap: 20px; margin-bottom: 16px; }
.b9i-maphd h2 { font-size: 30px; margin: 0 0 4px; }
.b9i-maphd p { margin: 0; color: var(--mu); }
.b9i-map { position: relative; border-radius: var(--r); overflow: hidden; background: #e9ecef; }
.b9i-map iframe { width: 100%; height: 100%; border: 0; display: block; }
.b9i-map-lb { position: absolute; left: calc(50% + 22px); top: calc(50% - 86px); background: #fff; border-radius: 8px; box-shadow: 0 6px 20px rgba(0,0,0,.15); padding: 9px 14px; font-size: 13px; line-height: 1.4; pointer-events: none; }
.b9i-map-lb b { display: block; color: var(--ink); font-size: 14px; }
.b9i-map-lb span { color: var(--mu); }
/* cửa hàng */
.b9i-band-shop { padding-bottom: 26px; }
.b9i-shop { padding: 18px 0 50px; }
.b9i-shop-in { display: grid; grid-template-columns: 236px minmax(0, 1fr); gap: 18px; align-items: start; }
.b9i-filter { border: 1px solid var(--line); border-radius: var(--r); padding: 18px 16px; background: #fff; }
.b9i-fh { display: flex; align-items: center; gap: 10px; font-size: 19px; font-weight: 700; color: var(--ink); padding-bottom: 14px; border-bottom: 1px solid var(--line); }
.b9i-fh .b9-ic { width: 22px; height: 22px; }
.b9i-fg { padding: 14px 0; border-bottom: 1px solid var(--line); }
.b9i-fgt { font-weight: 600; font-size: 15px; color: var(--ink); margin-bottom: 10px; }
.b9i-fcat { list-style: none; margin: 0; padding: 0; }
.b9i-fcat li { margin: 0 0 4px; }
.b9i-fcat a { display: flex; align-items: center; gap: 10px; padding: 8px 10px; border-radius: 6px; color: var(--ink) !important; font-size: 14.5px; }
.b9i-fcat a i { width: 18px; height: 18px; border: 1.5px solid #c9cdd3; border-radius: 4px; flex: none; position: relative; }
.b9i-fcat a.on { background: color-mix(in srgb, var(--c1) 9%, #fff); }
.b9i-fcat a.on i { background: var(--c1); border-color: var(--c1); }
.b9i-fcat a.on i::after { content: ""; position: absolute; left: 5px; top: 1px; width: 5px; height: 10px; border: solid #fff; border-width: 0 2px 2px 0; transform: rotate(45deg); }
.b9i-fcat small { margin-left: auto; color: var(--mu); font-size: 12.5px; }
.b9i-fck { display: grid; grid-template-columns: repeat(var(--fc, 1), minmax(0, 1fr)); gap: 8px 10px; }
.b9i-fck label { display: flex; align-items: center; gap: 9px; font-size: 14.5px; color: var(--ink); margin: 0; cursor: pointer; font-weight: 400; }
.b9i-fck input { width: 18px; height: 18px; margin: 0; accent-color: var(--c1); flex: none; }
.b9i-fpr { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.b9i-fpr label { position: relative; margin: 0; }
.b9i-fpr input { width: 100%; height: 40px; border: 1px solid var(--line); border-radius: 6px; padding: 0 22px 0 10px; font-size: 14px; margin: 0; box-shadow: none; }
.b9i-fpr em { position: absolute; right: 8px; top: 10px; font-style: normal; color: var(--mu); font-size: 13px; text-decoration: underline; }
.b9i-apply { width: 100%; margin-top: 16px; }
.b9i-clear { display: block; margin: 10px auto 0; background: none; border: 0; color: var(--mu); text-decoration: underline; font-size: 14px; cursor: pointer; padding: 0; min-height: 0; text-transform: none; letter-spacing: 0; font-weight: 400; }
.b9i-consult { margin-top: 14px; background: var(--bg2); border-radius: var(--r); padding: 18px; }
.b9i-consult-t { font-weight: 700; font-size: 17px; color: var(--ink); }
.b9i-consult p { color: var(--mu); font-size: 14px; margin: 6px 0 10px; }
.b9i-consult-p { display: flex; align-items: center; gap: 8px; color: var(--c1t, var(--c1)); font-weight: 700; font-size: 19px; }
.b9i-consult .b9-btn-o { margin-top: 12px; width: 100%; }
.b9i-tool { display: flex; justify-content: space-between; align-items: center; gap: 14px; margin: 4px 0 16px; flex-wrap: wrap; }
.b9i-count { color: var(--mu); font-size: 15px; }
.b9i-count b { color: var(--ink); }
.b9i-sort { display: flex; align-items: center; gap: 10px; margin: 0; font-size: 14.5px; color: var(--mu); font-weight: 400; }
.b9i-sort select { height: 40px; min-width: 150px; border: 1px solid var(--line); border-radius: 6px; margin: 0; padding: 0 30px 0 12px; font-size: 14px; box-shadow: none; }
.b9i-grid { --gap: 14px; }
.b9i-pc { position: relative; }
.b9i-badge { position: absolute; left: 10px; top: 10px; z-index: 2; background: #eef0f3; color: var(--ink); font-size: 12px; font-weight: 600; padding: 3px 9px; border-radius: 12px; }
.b9i-pager { display: flex; justify-content: center; gap: 8px; margin-top: 26px; }
.b9i-pager button { width: 40px; height: 40px; min-height: 0; padding: 0; margin: 0; border: 1px solid var(--line); background: #fff; border-radius: 6px; color: var(--ink); font-size: 16px; cursor: pointer; }
.b9i-pager button.on { background: var(--c1); border-color: var(--c1); color: var(--c1on, #fff); }
.b9i-pager button:disabled { opacity: .45; cursor: default; }
.b9i-none, .b9i-empty { border: 1px dashed var(--line); border-radius: var(--r); padding: 28px; text-align: center; color: var(--mu); }
.b9i-empty b { display: block; color: var(--ink); font-size: 18px; margin-bottom: 6px; }
/* chi tiết SP */
.b9i-pd { padding: 20px 0 36px; }
.b9i-pd-in { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, .95fr); gap: 34px; align-items: start; }
.b9i-pd-main { background: var(--pd-bg, #f4f5f7); border-radius: var(--r); aspect-ratio: 5 / 4; display: flex; align-items: center; justify-content: center; overflow: hidden; }
.b9i-pd-main img { max-width: 100%; max-height: 100%; width: auto; height: auto; object-fit: contain; display: block; }
.b9i-pd-th { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin-top: 14px; }
.b9i-pd-th button { aspect-ratio: 1 / 1; padding: 6px; margin: 0; min-height: 0; border: 1.5px solid var(--line); border-radius: 8px; background: var(--pd-bg, #f4f5f7); cursor: pointer; display: flex; align-items: center; justify-content: center; }
.b9i-pd-th button.on { border-color: var(--c1); }
.b9i-pd-th img { max-width: 100%; max-height: 100%; object-fit: contain; }
.b9i-pd-k { display: inline-block; background: var(--c1); color: var(--c1on, #fff); font-size: 12.5px; font-weight: 700; padding: 4px 10px; border-radius: 4px; text-transform: uppercase; letter-spacing: .02em; }
.b9i-pd-t { font-size: 32px; line-height: 1.25; font-weight: 700; margin: 12px 0 6px; }
.b9i-pd-price { font-size: 34px; font-weight: 800; color: var(--c1t, var(--c1)); margin-bottom: 12px; }
.b9i-pd-price del { font-size: 18px; color: #9aa0a8; font-weight: 400; margin-right: 8px; }
.b9i-pd-price ins { text-decoration: none; }
.b9i-pd-price .amount, .b9i-pd-price bdi { color: inherit; }
.b9i-pd-ct { font-size: 26px; }
.b9i-pd-ex { color: var(--mu); font-size: 15.5px; line-height: 1.6; margin-bottom: 8px; }
.b9i-pd-ex p { margin: 0 0 8px; }
.b9i-pd-row { margin: 0 0 14px; }
.b9i-pd-l { font-size: 15px; color: var(--ink); font-weight: 600; margin-bottom: 8px; }
.b9i-pd-l b { font-weight: 400; }
.b9i-chips { display: flex; flex-wrap: wrap; gap: 10px; }
.b9i-chips a, .b9i-chips span { min-width: 84px; height: 38px; padding: 0 16px; border: 1.5px solid var(--line); border-radius: 6px; display: inline-flex; align-items: center; justify-content: center; font-size: 14px; color: var(--ink) !important; background: #fff; }
.b9i-chips .on { border-color: var(--c1); color: var(--c1t, var(--c1)) !important; font-weight: 600; }
.b9i-chips a:hover { border-color: var(--c1); }
.b9i-pd-qrow { display: flex; align-items: center; gap: 30px; }
.b9i-pd-qrow .b9i-pd-l { margin: 0; }
.b9i-qty { display: inline-flex; border: 1px solid var(--line); border-radius: 6px; overflow: hidden; }
.b9i-qty button { width: 40px; height: 40px; min-height: 0; margin: 0; padding: 0; background: #fff; border: 0; font-size: 18px; color: var(--ink); cursor: pointer; }
.b9i-qty input { width: 52px; height: 40px; border: 0; border-left: 1px solid var(--line); border-right: 1px solid var(--line); text-align: center; margin: 0; padding: 0; box-shadow: none; -moz-appearance: textfield; }
.b9i-qty input::-webkit-inner-spin-button { -webkit-appearance: none; }
.b9i-pd-btns { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin: 6px 0 14px; }
.b9i-pd-btns > * { min-height: 50px !important; font-size: 16px !important; width: 100%; margin: 0 !important; }
.b9i-cart { margin: 0; }
.b9i-pd-hot { display: flex; align-items: center; gap: 10px; font-size: 15.5px; color: var(--ink); margin-bottom: 16px; }
.b9i-pd-hot .b9-ic { color: var(--c1); width: 20px; height: 20px; }
.b9i-pd-hot b { color: var(--c1t, var(--c1)); font-size: 17px; }
.b9i-pd-f { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); background: var(--bg2); border-radius: var(--r); padding: 18px 8px; }
.b9i-pd-f > div { text-align: center; padding: 0 10px; border-left: 1px solid var(--line); font-size: 14px; color: var(--ink); font-weight: 500; line-height: 1.35; }
.b9i-pd-f > div:first-child { border-left: 0; }
.b9i-pd-f img { width: 36px; height: 36px; object-fit: contain; display: block; margin: 0 auto 8px; }
.b9i-pdt { padding: 0 0 50px; }
.b9i-tabs { display: flex; border-bottom: 1px solid var(--line); background: var(--bg2); margin-bottom: 28px; }
.b9i-tabs button { background: transparent; border: 0; border-top: 3px solid transparent; margin: 0; padding: 0 30px; min-height: 50px; font-size: 16px; font-weight: 600; color: var(--ink); cursor: pointer; text-transform: none; letter-spacing: 0; border-right: 1px solid var(--line); }
.b9i-tabs button.on { background: #fff; border-top-color: var(--c1); color: var(--c1t, var(--c1)); }
.b9i-tab { display: none; }
.b9i-tab.on { display: block; }
.b9i-desc { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, .9fr); gap: 26px; align-items: start; }
.b9i-desc h2 { font-size: 26px; line-height: 1.3; margin: 0 0 14px; }
.b9i-desc-c { color: var(--mu); font-size: 15.5px; line-height: 1.65; }
.b9i-desc-c img { display: none; }
.b9i-desc-c h2, .b9i-desc-c h3 { font-size: 19px; margin: 14px 0 8px; }
.b9i-desc-img { background: var(--pd-bg, #f4f5f7); border-radius: var(--r); aspect-ratio: 4 / 3; display: flex; align-items: center; justify-content: center; overflow: hidden; }
.b9i-desc-img img { max-width: 100%; max-height: 100%; object-fit: contain; }
.b9i-box { background: var(--bg2); border-radius: var(--r); padding: 18px 20px; margin-top: 18px; }
.b9i-box h3 { font-size: 18px; margin: 0 0 10px; }
.b9i-box ul { list-style: none; margin: 0; padding: 0; }
.b9i-box li { display: flex; gap: 10px; align-items: center; margin: 0 0 8px; font-size: 15px; color: var(--ink); }
.b9i-box li .b9-ic { color: var(--c1); width: 20px; height: 20px; }
table.b9i-spec { width: 100%; max-width: 820px; border-collapse: collapse; }
.b9i-spec th, .b9i-spec td { padding: 12px 16px !important; border: 1px solid var(--line); text-align: left; font-size: 15px; text-transform: none; letter-spacing: 0; }
.b9i-spec th { width: 34%; background: var(--bg2); color: var(--ink); font-weight: 600; }
.b9i-rv { border: 1px dashed var(--line); border-radius: var(--r); padding: 22px; color: var(--mu); }
.b9i-rv b { color: var(--ink); display: block; margin-bottom: 6px; }
.b9i-rel { background: var(--bg2); padding: 40px 0 50px; }
.b9i-notices .woocommerce-message, .b9i-notices .woocommerce-error, .b9i-notices .woocommerce-info { margin: 16px 0 0; }
.b9i-notices:empty { display: none; }
/* bài/trang dựng bằng HTML */
.b9i-page .page-wrapper, .b9i-tpl .page-wrapper { padding: 0 !important; }
@media (min-width: 850px) and (max-width: 1199px) {
  .b9i-hero h1 { font-size: 40px; }
  .b9i-band-t { font-size: 40px; }
  .b9i-feat > div { padding: 0 12px; }
  .b9i-icards { --n: 3 !important; }
}
@media (max-width: 849px) {
  .b9i-sec { padding: 40px 0; }
  .b9i-sec-t, .b9i-faq h2 { font-size: 26px; }
  .b9i-band { padding: 16px 0 22px; }
  .b9i-band-t { font-size: 32px; margin-top: 8px; }
  .b9i-band-s { font-size: 16px; }
  .b9i-hero { padding: 8px 0 20px; }
  .b9i-hero-in, .b9i-faq, .b9i-ask, .b9i-contact, .b9i-pd-in, .b9i-desc, .b9i-shop-in { grid-template-columns: minmax(0, 1fr); gap: 20px; }
  .b9i-hero-img { order: -1; }
  .b9i-hero h1 { font-size: 32px; }
  .b9i-hero-img img { max-height: 260px; }
  .b9i-btns a { min-width: 0; flex: 1 1 140px; }
  .b9i-feat { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px 0; }
  .b9i-feat > div { border-left: 0; padding: 0 8px 0 0; }
  .b9i-feat img { width: 38px; height: 38px; }
  .b9i-icards { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
  .b9i-icard { padding: 16px 10px; }
  .b9i-icard .b9i-ia { flex-direction: column; gap: 8px; }
  .b9i-steps { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px 14px; }
  .b9i-step + .b9i-step::before { display: none; }
  .b9i-tblw { overflow-x: auto; }
  .b9i-tbl th, .b9i-tbl td { padding: 10px 10px !important; font-size: 13.5px; }
  .b9i-fg2 { grid-template-columns: minmax(0, 1fr); }
  .b9i-fcard, .b9i-ask-l { padding: 22px 18px; }
  .b9i-maphd { flex-direction: column; align-items: flex-start; }
  .b9i-maphd h2 { font-size: 24px; }
  .b9i-map { height: 300px !important; }
  .b9i-map-lb { left: 12px; top: 12px; }
  .b9i-cc b, .b9i-cc a.b9i-cv { font-size: 19px; }
  .b9i-pd-t { font-size: 24px; }
  .b9i-pd-price { font-size: 26px; }
  .b9i-pd-btns { grid-template-columns: minmax(0, 1fr); }
  .b9i-pd-f > div { font-size: 12.5px; padding: 0 6px; }
  .b9i-tabs { overflow-x: auto; }
  .b9i-tabs button { padding: 0 18px; flex: none; }
  .b9i-sort span { display: none; }
  .b9i-side { order: 2; }
  .b9i-pd-qrow { gap: 10px 16px; flex-wrap: wrap; }
}

.b9i-fsearch input { width: 100%; height: 40px; border: 1px solid var(--line); border-radius: 6px; padding: 0 12px; margin: 0; font-size: 14px; box-shadow: none; }
.b9i-fsearch { padding-top: 14px; }

.b9i-vchips button { min-width: 84px; height: 38px; padding: 0 16px; margin: 0; border: 1.5px solid var(--line); border-radius: 6px; background: #fff; color: var(--ink); font-size: 14px; font-weight: 500; text-transform: none; letter-spacing: 0; cursor: pointer; }
.b9i-vchips button.on { border-color: var(--c1); background: var(--c1); color: var(--c1on, #fff) !important; font-weight: 600; }
.b9i-pd-btns button:disabled { opacity: .5; cursor: not-allowed; }
.b9i-wc { padding: 40px 0 60px; }
.b9i-wc-h { font-size: 32px; margin: 0 0 24px; }
.b9i-wc-empty { text-align: center; padding: 40px 20px; border: 1px dashed var(--line); border-radius: 10px; }
.b9i-wc-empty b { display: block; font-size: 22px; margin-bottom: 8px; }
.b9i-wc-empty p { max-width: 520px; margin: 0 auto 18px; }
.b9i-wc-empty .b9-btn, .b9i-wc-empty .b9-btn-o { margin: 4px 6px; }
.b9i-wc-steps { list-style: none; counter-reset: s; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin: 24px 0 0 !important; padding: 0; }
.b9i-wc-steps li { counter-increment: s; margin: 0 !important; padding: 18px 18px 18px 58px; position: relative; background: var(--bg2, #f6f6f6); border-radius: 10px; }
.b9i-wc-steps li::before { content: counter(s); position: absolute; left: 18px; top: 18px; width: 28px; height: 28px; border-radius: 50%; background: var(--c1); color: var(--c1on, #fff); font-weight: 700; display: flex; align-items: center; justify-content: center; font-size: 14px; }
.b9i-wc-steps b { display: block; margin-bottom: 4px; }
.b9i-wc-steps span { font-size: 14px; color: var(--mu, #666); }
@media (max-width: 849px) { .b9i-wc-steps { grid-template-columns: minmax(0, 1fr); } }
/* canh đều 10-11: phần tử cuối trong khối không mang margin đáy (b9i-sec đệm 50 trên mà đáy thành 80 — band_bloat) */
.b9i-sec .b9-w > :last-child, .b9i-sec .b9-w > :last-child > :last-child { margin-bottom: 0 !important; }
.b9i-sec .b9-w > .b9i-feat:last-child { padding-bottom: 0; }