/* Rèm Thanh Lam (remcua) — trang trong theo mockup Astra (remcua-inner 10-03): cửa hàng, SP, giới thiệu, liên hệ + dịch vụ, đại lý, cẩm nang.
   Tiền tố riêng rki/rks/rkp/rka/rkc/rkv/rkd/rkb/rkpo (không trùng rk-* trang chủ — LESSONS 130/212). Dùng lại .rk-btn/.rk-h2/.rk-head/.rk-posts của trang chủ. */
.rki-wrap { max-width: 1280px; margin: 0 auto; padding: 0 15px; box-sizing: border-box; }
.rki-page { background: #fff; }
.rki-sec p:not([class]) { display: contents; }
.rki-crumb { font-size: 15px; color: var(--rk-muted); display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-bottom: 16px; }
.rki-crumb a { color: var(--rk-muted) !important; } .rki-crumb a:hover { color: var(--rk-blue) !important; } .rki-crumb i { font-style: normal; opacity: .7; } .rki-crumb span { color: var(--rk-text); }
.rki-h1 { color: var(--rk-ink) !important; font-size: 52px !important; font-weight: 700 !important; line-height: 1.15 !important; letter-spacing: -.02em; margin: 0 0 12px !important; }
.rki-lead { color: var(--rk-ink); font-size: 21px; line-height: 1.45; }
.rki-kick { color: var(--rk-blue); font-size: 14px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; margin-bottom: 26px; position: relative; padding-bottom: 14px; }
.rki-kick::after { content: ""; position: absolute; left: 0; bottom: 0; width: 34px; height: 2px; background: var(--rk-blue); }
/* dải đầu trang: chữ trái trên nền xanh nhạt, ảnh phải 58% */
.rki-band { position: relative; background: #E9F3FB; min-height: 282px; display: flex; align-items: center; overflow: hidden; }
.rki-band-img { position: absolute; top: 0; bottom: 0; right: 0; width: 56%; }
.rki-band-img img { width: 100%; height: 100%; object-fit: cover; object-position: 70% 55%; display: block; }
.rki-band-img::before { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, #E9F3FB 0%, rgba(233,243,251,.55) 14%, rgba(233,243,251,0) 34%); z-index: 1; }
.rki-band-in { position: relative; z-index: 2; width: 100%; padding-top: 36px; padding-bottom: 40px; }
.rki-band .rki-lead { max-width: 560px; }
/* thẻ SP (kiểu trang chủ) */
.rki-card { display: flex; flex-direction: column; align-items: flex-start; min-width: 0; }
.rki-card-img { display: block; width: 100%; aspect-ratio: 1 / 1; overflow: hidden; background: #EFEBE5; }
.rki-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s; } .rki-card:hover .rki-card-img img { transform: scale(1.04); }
.rki-card h3 { font-size: 21px !important; font-weight: 600 !important; line-height: 1.3 !important; margin: 18px 0 10px !important; } .rki-card h3 a { color: var(--rk-ink) !important; }
.rki-card-p { color: var(--rk-blue); font-size: 24px; font-weight: 700; margin-bottom: 16px; } .rki-card-p .woocommerce-Price-amount { color: inherit; }
.rki-card .rk-btn { min-width: 220px; min-height: 46px; font-size: 16px; font-weight: 600; }
/* ---------- cửa hàng ---------- */
.rks-main { display: grid; grid-template-columns: 263px minmax(0, 1fr); gap: 32px; padding-top: 32px; padding-bottom: 36px; }
.rks-side { background: #EEF5FB; padding: 22px 18px 26px; align-self: start; }
.rks-ft { color: var(--rk-ink) !important; font-size: 25px !important; font-weight: 700 !important; margin: 0 0 22px !important; letter-spacing: -.01em; }
.rks-grp { border-bottom: 1px solid #D5E1EC; padding-bottom: 20px; margin-bottom: 22px; }
.rks-grp h4 { color: var(--rk-ink) !important; font-size: 20px !important; font-weight: 600 !important; margin: 0 0 14px !important; }
.rks-grp label { display: flex; align-items: center; gap: 12px; font-size: 17px; color: var(--rk-text); margin: 0 0 10px; font-weight: 400; cursor: pointer; }
.rks-grp input[type=checkbox] { width: 18px; height: 18px; margin: 0; accent-color: var(--rk-navy); flex: 0 0 18px; }
.rks-lk, .rks-all { display: block; font-size: 17px; color: var(--rk-text) !important; margin: 0 0 10px; } .rks-lk.on { color: var(--rk-blue) !important; font-weight: 600; } .rks-all { color: var(--rk-blue) !important; font-size: 15px; }
.rks-range { position: relative; height: 22px; margin: 4px 6px 4px; }
.rks-range::before { content: ""; position: absolute; left: 0; right: 0; top: 9px; height: 4px; border-radius: 2px; background: #C9D7E4; }
.rks-range i { position: absolute; top: 9px; height: 4px; background: var(--rk-blue); left: 0; right: 0; }
.rks-range input[type=range] { position: absolute; inset: 0; width: 100%; height: 22px; margin: 0; padding: 0; background: none; border: 0; box-shadow: none; -webkit-appearance: none; appearance: none; pointer-events: none; }
.rks-range input[type=range]::-webkit-slider-thumb { -webkit-appearance: none; pointer-events: auto; width: 20px; height: 20px; border-radius: 50%; background: var(--rk-blue); border: 3px solid #fff; box-shadow: 0 0 0 1px var(--rk-blue); cursor: pointer; }
.rks-range input[type=range]::-moz-range-thumb { pointer-events: auto; width: 16px; height: 16px; border-radius: 50%; background: var(--rk-blue); border: 3px solid #fff; cursor: pointer; }
.rks-range-v { display: flex; justify-content: space-between; font-size: 13.5px; color: var(--rk-text); margin: 8px 0 16px; }
.rks-apply { display: block; width: 100%; height: 48px; margin: 0; background: #fff; border: 1.5px solid var(--rk-navy); border-radius: 2px; color: var(--rk-ink); font-size: 18px; font-weight: 600; text-transform: none; letter-spacing: 0; cursor: pointer; } .rks-apply:hover { background: var(--rk-navy); color: #fff; }
.rks-col button { display: flex; align-items: center; gap: 14px; width: 100%; background: none; border: 0; padding: 0; margin: 0 0 12px; min-height: 0; font-size: 17px; font-weight: 400; color: var(--rk-text); text-transform: none; letter-spacing: 0; cursor: pointer; text-align: left; line-height: 1.3; }
.rks-col button i { width: 38px; height: 38px; border-radius: 50%; flex: 0 0 38px; box-shadow: inset 0 0 0 1px rgba(0,0,0,.08); }
.rks-col button.on i { box-shadow: 0 0 0 2px #fff, 0 0 0 4px var(--rk-blue); } .rks-col button.on { color: var(--rk-ink); font-weight: 600; }
.rks-kind { border-bottom: 0; margin-bottom: 14px; }
.rks-clear { color: var(--rk-blue) !important; font-size: 17px; text-decoration: underline !important; }
.rks-bar { display: flex; align-items: center; justify-content: space-between; gap: 20px; margin-bottom: 16px; min-height: 38px; }
.rks-count { font-size: 15.5px; color: var(--rk-ink); }
.rks-sort { display: flex; align-items: center; gap: 14px; font-size: 15.5px; color: var(--rk-ink); margin: 0; font-weight: 400; }
.rks-sort select { width: 152px; height: 40px; margin: 0; border: 1px solid #CFD8E1; border-radius: 2px; box-shadow: none; font-size: 15px; color: var(--rk-ink); padding: 0 10px; background-color: #fff; }
.rks-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 40px 30px; }
.rks-empty { padding: 30px 0; font-size: 17px; color: var(--rk-text); } .rks-empty a { color: var(--rk-blue) !important; font-weight: 600; }
.rks-foot { display: flex; flex-direction: column; align-items: center; gap: 12px; margin-top: 30px; }
.rks-pages { display: flex; gap: 12px; align-items: center; }
.rks-pages .page-numbers, .rks-pp { display: inline-flex; align-items: center; justify-content: center; width: 44px; height: 44px; border: 0; background: #EEF3F7; color: var(--rk-ink) !important; font-size: 20px; border-radius: 2px; margin: 0; }
.rks-pages .page-numbers.current { background: var(--rk-navy); color: #fff !important; font-weight: 600; } .rks-pp { color: #8A97A5 !important; }
/* ---------- chi tiết SP ---------- */
.rkp-crumbs { padding-top: 22px; } .rkp-crumbs .rki-crumb { margin-bottom: 18px; font-size: 14.5px; }
.rkp-top { display: grid; grid-template-columns: 721fr 494fr; gap: 40px; align-items: start; }
.rkp-main { aspect-ratio: 721 / 670; overflow: hidden; background: #EFEBE5; } .rkp-main img { width: 100%; height: 100%; object-fit: cover; display: block; }
.rkp-thumbs { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 15px; margin-top: 16px; }
.rkp-thumbs button { padding: 0; margin: 0; border: 2px solid transparent; background: #EFEBE5; aspect-ratio: 1 / 1; min-height: 0; overflow: hidden; cursor: pointer; border-radius: 0; }
.rkp-thumbs button.on { border-color: var(--rk-blue); } .rkp-thumbs img { width: 100%; height: 100%; object-fit: cover; display: block; }
.rkp-kick { color: var(--rk-blue); font-size: 14.5px; font-weight: 600; text-transform: uppercase; letter-spacing: .04em; margin: 6px 0 8px; }
.rkp-title { color: var(--rk-ink) !important; font-size: 42px !important; font-weight: 700 !important; line-height: 1.15 !important; letter-spacing: -.02em; margin: 0 0 12px !important; }
.rkp-price { color: var(--rk-blue); font-size: 38px; font-weight: 700; line-height: 1.2; margin-bottom: 16px; } .rkp-price .woocommerce-Price-amount { color: inherit; }
.rkp-desc { font-size: 16px; line-height: 1.6; color: var(--rk-text); padding-bottom: 20px; border-bottom: 1px solid var(--rk-line); margin-bottom: 18px; }
.rkp-opt { margin-bottom: 16px; } .rkp-lb { font-size: 15.5px; font-weight: 600; color: var(--rk-ink); margin-bottom: 9px; } .rkp-lb b { font-weight: 600; }
.rkp-sw { display: block; width: 52px; height: 52px; border: 2px solid var(--rk-blue); box-shadow: inset 0 0 0 3px #fff; }
.rkp-size { display: grid; grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr); gap: 12px; align-items: center; } .rkp-size span { color: var(--rk-muted); }
.rkp-top input[type=number], .rkp-top select { height: 44px; margin: 0; border: 1px solid #CFD8E1; border-radius: 2px; box-shadow: none; font-size: 15px; color: var(--rk-ink); padding: 0 14px; background-color: #fff; width: 100%; }
.rkp-help { display: inline-block; margin-top: 8px; font-size: 14px; color: var(--rk-blue) !important; }
.rkp-qty { display: inline-flex; border: 1px solid #CFD8E1; }
.rkp-qty button { width: 44px; height: 44px; margin: 0; padding: 0; border: 0; background: #fff; font-size: 20px; color: var(--rk-ink); min-height: 0; line-height: 1; }
.rkp-top .rkp-qty input[type=number] { width: 52px; height: 44px; border: 0; border-left: 1px solid #CFD8E1; border-right: 1px solid #CFD8E1; text-align: center; padding: 0; -moz-appearance: textfield; }
.rkp-qty input::-webkit-inner-spin-button { -webkit-appearance: none; }
.rkp-act { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin: 22px 0 18px; } .rkp-act .rk-btn { min-height: 56px; font-size: 17px; }
.rkp-call { display: flex; align-items: center; gap: 12px; font-size: 18px; color: var(--rk-ink) !important; font-weight: 600; padding-bottom: 20px; border-bottom: 1px solid var(--rk-line); } .rkp-call img { width: 24px; height: 24px; } .rkp-call b { font-weight: 700; }
.rkp-cm { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); padding-top: 18px; }
.rkp-cm > div { display: flex; flex-direction: column; align-items: center; gap: 10px; text-align: center; font-size: 14.5px; color: var(--rk-ink); border-left: 1px solid var(--rk-line); padding: 0 6px; }
.rkp-cm > div:first-child { border-left: 0; } .rkp-cm img { width: 46px; height: 46px; }
.rkp-tabs { display: flex; gap: 0; border-bottom: 1.5px solid var(--rk-line); margin-top: 52px; margin-bottom: 30px; }
.rkp-tabs button { background: none; border: 0; border-bottom: 3px solid transparent; margin: 0 0 -1.5px; padding: 0 22px 12px; min-height: 0; font-size: 19px; font-weight: 600; color: var(--rk-ink); text-transform: none; letter-spacing: 0; cursor: pointer; line-height: 1.3; }
.rkp-tabs button.on { color: var(--rk-blue); border-bottom-color: var(--rk-blue); }
.rkp-feat { display: grid; grid-template-columns: 570fr 680fr; gap: 30px; align-items: start; }
.rkp-feat-b h2 { color: var(--rk-ink) !important; font-size: 38px !important; font-weight: 700 !important; line-height: 1.2 !important; letter-spacing: -.02em; margin: 0 0 18px !important; }
.rkp-feat-b p { font-size: 17px; line-height: 1.7; color: var(--rk-text); margin: 0 0 18px; }
.rkp-feat-b ul { list-style: none; margin: 4px 0 0 !important; padding: 0 !important; } .rkp-feat-b li { position: relative; padding-left: 44px; margin: 0 0 18px !important; font-size: 17px; color: var(--rk-text); list-style: none; }
.rkp-feat-b li::before { content: "✓"; position: absolute; left: 0; top: -2px; width: 28px; height: 28px; border-radius: 50%; background: var(--rk-blue); color: #fff; font-size: 15px; font-weight: 700; display: flex; align-items: center; justify-content: center; }
.rkp-feat figure { margin: 0; aspect-ratio: 680 / 420; overflow: hidden; background: #EFEBE5; } .rkp-feat figure img { width: 100%; height: 100%; object-fit: cover; display: block; }
.rkp-spec { width: 100%; max-width: 820px; border-collapse: collapse; } .rkp-spec th, .rkp-spec td { text-align: left; padding: 14px 18px !important; border-bottom: 1px solid var(--rk-line); font-size: 16.5px; text-transform: none; letter-spacing: 0; }
.rkp-spec th { width: 34%; color: var(--rk-ink); font-weight: 600; background: #F4F8FB; } .rkp-spec td { color: var(--rk-text); }
.rkp-note { font-size: 17px; color: var(--rk-text); } .rkp-note a { color: var(--rk-blue) !important; font-weight: 600; }
.rkp-rel { padding-top: 56px; padding-bottom: 50px; } .rkp-rel .rk-h2 { font-size: 38px !important; }
.rkp-rel-g { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 30px; }
.rki-card-s .rki-card-img { aspect-ratio: 295 / 220; } .rki-card-s h3 { font-size: 18px !important; margin: 14px 0 6px !important; } .rki-card-s .rki-card-p { font-size: 20px; margin-bottom: 14px; } .rki-card-s .rk-btn { min-width: 0; width: 82%; }
/* ---------- giới thiệu ---------- */
.section.rka-head { padding: 34px 0 30px !important; }
.section.rka-wide { padding: 0 !important; } .rka-wide-img { width: 100%; height: 565px; overflow: hidden; background: #EFEBE5; } .rka-wide-img img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 55%; display: block; }
.section.rka-story-sec { padding: 46px 0 40px !important; }
.rka-story { display: grid; grid-template-columns: 600fr 644fr; gap: 36px; align-items: center; }
.rka-h2 { font-size: 48px !important; line-height: 1.2 !important; letter-spacing: -.02em; }
.rka-story .rka-h2 { margin-bottom: 24px !important; }
.rka-txt { font-size: 17px; line-height: 1.7; color: var(--rk-text); margin-bottom: 18px; }
.rka-story .rk-more { display: inline-block; margin-top: 8px; }
.rka-story-img { aspect-ratio: 644 / 471; overflow: hidden; background: #EFEBE5; } .rka-story-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.section.rka-val-sec { padding: 0 0 36px !important; }
.rka-vals { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.rka-val { background: #EEF3F7; padding: 30px 30px 34px; text-align: center; color: var(--rk-text); font-size: 17px; line-height: 1.6; }
.rka-val img { width: 72px; height: 72px; display: block; margin: 0 auto 16px; }
.rka-val h3 { color: var(--rk-ink) !important; font-size: 28px !important; font-weight: 700 !important; margin: 0 0 14px !important; letter-spacing: -.01em; }
.section.rka-team-sec { padding: 44px 0 30px !important; }
.rka-team-sec .rka-h2 { margin-bottom: 14px !important; } .rka-team-sec .rk-sub { margin: 0 0 26px; font-size: 21px; }
.rka-team { display: grid; grid-template-columns: 620fr 318fr 335fr; gap: 22px; }
.rka-tm-img { height: 342px; overflow: hidden; background: #EFEBE5; } .rka-tm-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.rka-tm h3 { color: var(--rk-ink) !important; font-size: 19px !important; font-weight: 600 !important; margin: 16px 0 6px !important; } .rka-tm > div:not(.rka-tm-img) { font-size: 16px; color: var(--rk-text); }
.section.rka-cm-sec { padding: 40px 0 40px !important; }
.rka-cm-sec .rka-h2 { font-size: 46px !important; margin-bottom: 30px !important; }
.rka-cms { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.rka-cm { display: flex; align-items: flex-start; gap: 22px; padding: 0 30px; border-left: 1px solid var(--rk-line); } .rka-cm:first-child { border-left: 0; padding-left: 0; }
.rka-cm img { width: 58px; height: 58px; flex: 0 0 58px; }
.rka-cm h3 { color: var(--rk-ink) !important; font-size: 25px !important; font-weight: 600 !important; margin: 4px 0 12px !important; } .rka-cm h3 + div { font-size: 16.5px; line-height: 1.6; color: var(--rk-text); }
.section.rka-cta-sec { padding: 30px 0 !important; }
.rka-cta { display: flex; align-items: center; justify-content: space-between; gap: 30px; } .rka-cta .rk-h2 { font-size: 38px !important; margin: 0 0 8px !important; }
.rka-cta-b { display: flex; gap: 30px; } .rka-cta-b .rk-btn { min-width: 260px; min-height: 68px; font-size: 17px; }
/* ---------- liên hệ / đại lý ---------- */
.section.rkc-head { padding: 0 !important; } .section.rkc-head > .section-content { width: 100%; } .rkc-band { min-height: 292px; }
.rkc-band .rki-h1 { font-size: 56px !important; }
.section.rkc-main-sec { padding: 34px 0 44px !important; }
.rkc-main { display: grid; grid-template-columns: 745fr 435fr; gap: 50px; align-items: start; }
.rkc-h2 { font-size: 33px !important; margin: 0 0 12px !important; }
.rkc-sub { font-size: 17.5px; line-height: 1.55; color: var(--rk-text); margin-bottom: 22px; }
.rkc-note { font-size: 14px; color: var(--rk-muted); margin-top: 12px; }
.rkc-info .rkc-h2 { margin-bottom: 26px !important; margin-top: 8px !important; }
.rkc-card { display: flex; align-items: center; gap: 28px; background: #EEF5FB; padding: 22px 26px; margin-bottom: 16px; min-height: 112px; text-decoration: none !important; }
.rkc-card img { width: 52px; height: 52px; flex: 0 0 52px; }
.rkc-card span { display: block; font-size: 16px; color: var(--rk-ink); margin-bottom: 6px; } .rkc-card b { display: block; color: var(--rk-blue); font-size: 23px; font-weight: 700; overflow-wrap: anywhere; }
.rkc-card em { display: block; font-style: normal; font-size: 17px; color: var(--rk-ink); line-height: 1.5; } .rkc-card small { display: block; font-size: 14.5px; color: var(--rk-text); }
.rki-cf7 .rkf-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 30px; } .rki-cf7 .rkf-2 > p { display: contents; }
.rki-cf7 label { display: block; font-size: 16.5px; font-weight: 500; color: var(--rk-ink); margin: 0 0 18px; } .rki-cf7 label i { color: #D9363E; font-style: normal; }
.rki-cf7 .wpcf7-form-control-wrap { display: block; margin-top: 8px; }
.rki-cf7 input[type=text], .rki-cf7 input[type=tel], .rki-cf7 input[type=email], .rki-cf7 select, .rki-cf7 textarea { width: 100%; height: 48px; margin: 0; border: 1px solid #CFD8E1; border-radius: 2px; box-shadow: none; font-size: 16px; color: var(--rk-ink); padding: 0 16px; background-color: #fff; }
.rki-cf7 textarea { height: 94px; min-height: 94px; padding: 12px 16px; resize: vertical; }
.rki-cf7 input::placeholder, .rki-cf7 textarea::placeholder { color: #7D8995; }
.rki-cf7 .wpcf7-submit { height: 52px; min-width: 285px; background: var(--rk-blue); border: 0; border-radius: 2px; color: #fff; font-size: 18px; font-weight: 600; text-transform: none; letter-spacing: 0; margin: 0; padding: 0 30px; }
.rki-cf7 .wpcf7-submit:hover { background: var(--rk-blue-d); }
.rki-cf7 .wpcf7-form { position: relative; } .rki-cf7 .wpcf7-spinner { position: absolute; margin: 0; left: 300px; bottom: 16px; }
.section.rkc-map-sec { padding: 0 0 30px !important; } .rkc-map-sec .rk-head { margin-bottom: 16px; }
.rkc-map { position: relative; height: 290px; background: #E8EEF2; overflow: hidden; } .rkc-map iframe { width: 100%; height: 100%; border: 0; display: block; }
.rkc-pin { position: absolute; left: calc(50% + 22px); top: calc(50% - 74px); background: #fff; padding: 10px 16px; box-shadow: 0 4px 16px rgba(0,0,0,.15); border-radius: 3px; pointer-events: none; }
.rkc-pin b { display: block; color: var(--rk-ink); font-size: 15px; } .rkc-pin span { display: block; color: var(--rk-muted); font-size: 13.5px; }
.section.rkc-faq-sec { padding: 20px 0 10px !important; }
.rkc-faq { display: grid; grid-template-columns: 520fr 705fr; gap: 0; align-items: start; } .rkc-faq .rkc-h2 { font-size: 38px !important; margin-top: 10px !important; }
.rkc-qs details { border-bottom: 1px solid var(--rk-line); margin: 0; } .rkc-qs details[open] { background: #EEF5FB; }
.rkc-qs summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 20px; padding: 16px 20px; font-size: 18px; font-weight: 500; color: var(--rk-ink); }
.rkc-qs summary::-webkit-details-marker { display: none; } .rkc-qs summary::after { content: "+"; font-size: 28px; font-weight: 300; line-height: 1; color: var(--rk-ink); } .rkc-qs details[open] summary::after { content: "−"; }
.rkc-qs details > div { padding: 0 20px 18px; font-size: 15.5px; line-height: 1.6; color: var(--rk-text); }
.rkd-main { grid-template-columns: 600fr 600fr; } .rkd-list { grid-template-columns: minmax(0, 1fr); gap: 22px; } .rkd-list .rka-cm { border-left: 0; padding: 0; } .rkd-list .rka-cm h3 { font-size: 21px !important; margin-bottom: 6px !important; }
.rkd-form { background: #EEF5FB; padding: 30px 32px 32px; }
/* ---------- dịch vụ ---------- */
.section.rkv-sec { padding: 10px 0 46px !important; }
.rkv-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 30px; }
.rkv-img { aspect-ratio: 4 / 3; overflow: hidden; background: #EFEBE5; } .rkv-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.rkv-it h3 { color: var(--rk-ink) !important; font-size: 22px !important; font-weight: 600 !important; margin: 18px 0 10px !important; } .rkv-it h3 + div { font-size: 16px; line-height: 1.65; color: var(--rk-text); }
.section.rkv-kind { padding: 46px 0 46px !important; }
/* ---------- cẩm nang ---------- */
.rkb-main { padding-top: 40px; padding-bottom: 50px; } .rkb-date { font-size: 14px; color: var(--rk-muted); margin-top: 14px; } .rkb-grid .rk-po h3 { margin-top: 6px !important; } .rkb-pages { justify-content: center; margin-top: 30px; }
.rkpo-head { padding-top: 26px; max-width: 900px; } .rkpo-h1 { font-size: 46px !important; } .rkpo-meta { font-size: 15px; color: var(--rk-muted); margin-bottom: 24px; }
.rkpo-img { max-width: 1280px; } .rkpo-img img { width: 100%; max-height: 560px; object-fit: cover; display: block; }
.rkpo-body { max-width: 820px; margin: 34px auto 40px; font-size: 17.5px; line-height: 1.75; color: var(--rk-text); }
.rkpo-body h2 { color: var(--rk-ink) !important; font-size: 30px !important; font-weight: 700 !important; margin: 34px 0 14px !important; letter-spacing: -.01em; } .rkpo-body p { margin: 0 0 18px; }
.rkpo-body ul { margin: 0 0 18px 22px; } .rkpo-body li { margin-bottom: 8px; }
.rkpo-cta { display: flex; align-items: center; justify-content: space-between; gap: 24px; background: #EEF5FB; padding: 24px 28px; margin-top: 30px; } .rkpo-cta strong { display: block; color: var(--rk-ink); font-size: 20px; } .rkpo-cta span { font-size: 16px; }
.rkpo-rel { padding-bottom: 50px; }
/* Woo: ẩn tiêu đề trang Flatsome khi template đã có dải đầu (LESSONS 65) */
.woocommerce-page .shop-page-title, .woocommerce-page .product-page-title, .rki-page ~ .page-title { display: none !important; }
/* ---------- khoảng giữa 850-1199 ---------- */
@media (min-width: 850px) and (max-width: 1199px) {
  .rki-h1 { font-size: 42px !important; } .rka-h2 { font-size: 38px !important; } .rka-cm-sec .rka-h2 { font-size: 36px !important; }
  .rks-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } .rkv-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .rkp-title { font-size: 34px !important; } .rkp-price { font-size: 30px; } .rkp-rel-g { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .rka-cta { flex-direction: column; align-items: flex-start; } .rka-cta-b .rk-btn { min-width: 220px; }
  .rkc-main { grid-template-columns: minmax(0, 1fr) minmax(0, 380px); gap: 30px; } .rkc-card b { font-size: 19px; }
  .rka-cm { padding: 0 16px; gap: 14px; } .rka-cm h3 { font-size: 21px !important; } .rka-val h3 { font-size: 24px !important; }
}
/* ---------- mobile ---------- */
@media (max-width: 849px) {
  .rki-h1 { font-size: 32px !important; } .rki-lead { font-size: 17px; } .rki-crumb { font-size: 14px; margin-bottom: 10px; }
  .rki-band { display: block; min-height: 0; padding-top: 230px; background: #E9F3FB; }
  .rki-band-img { left: 0; width: 100%; height: 230px; bottom: auto; } .rki-band-img::before { display: none; } .rki-band-img img { object-position: 70% 50%; }
  .rki-band-in { padding-top: 22px; padding-bottom: 26px; }
  .rki-band .rki-lead br { display: none; }
  .rks-main { grid-template-columns: minmax(0, 1fr); gap: 22px; padding-top: 20px; }
  .rks-side { padding: 16px 16px 18px; } .rks-ft { font-size: 21px !important; margin-bottom: 14px !important; }
  .rks-grp { padding-bottom: 12px; margin-bottom: 14px; } .rks-col { display: flex; flex-wrap: wrap; gap: 8px 16px; } .rks-col h4 { width: 100%; } .rks-col button { width: auto; margin: 0; }
  .rks-bar { flex-wrap: wrap; } .rks-sort select { width: 140px; }
  .rks-grid, .rkp-rel-g { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 24px 14px; }
  .rki-card h3 { font-size: 16px !important; margin: 12px 0 6px !important; } .rki-card-p { font-size: 18px; margin-bottom: 10px; } .rki-card .rk-btn, .rki-card-s .rk-btn { min-width: 0; width: 100%; font-size: 14px; padding: 0 8px; min-height: 42px; }
  .rkp-top { grid-template-columns: minmax(0, 1fr); gap: 22px; } .rkp-title { font-size: 30px !important; } .rkp-price { font-size: 28px; }
  .rkp-thumbs { gap: 8px; margin-top: 8px; } .rkp-act { grid-template-columns: minmax(0, 1fr); gap: 10px; }
  .rkp-tabs { margin-top: 34px; overflow-x: auto; } .rkp-tabs button { padding: 0 14px 10px; font-size: 16px; white-space: nowrap; }
  .rkp-feat { grid-template-columns: minmax(0, 1fr); } .rkp-feat-b h2 { font-size: 27px !important; } .rkp-rel { padding-top: 36px; } .rkp-rel .rk-h2 { font-size: 28px !important; }
  .rkp-spec th, .rkp-spec td { padding: 10px 10px !important; font-size: 15px; }
  .section.rka-head { padding: 22px 0 20px !important; } .rka-wide-img { height: 240px; }
  .rka-story, .rka-vals, .rka-team, .rka-cms, .rkc-main, .rkc-faq, .rkd-main { grid-template-columns: minmax(0, 1fr); }
  .rka-story { gap: 22px; } .rka-h2, .rka-cm-sec .rka-h2 { font-size: 28px !important; } .rka-h2 br { display: none; }
  .rka-val { padding: 22px 18px; } .rka-val h3 { font-size: 22px !important; } .rka-val img { width: 56px; height: 56px; }
  .rka-team { gap: 22px; } .rka-tm-img { height: 220px; } .rka-team-sec .rk-sub { font-size: 16px; }
  .rka-cms { gap: 20px; } .rka-cm, .rka-cm:first-child { border-left: 0; padding: 0; } .rka-cm h3 { font-size: 20px !important; } .rka-cm img { width: 44px; height: 44px; flex-basis: 44px; }
  .rka-cta { flex-direction: column; align-items: flex-start; gap: 16px; } .rka-cta .rk-h2 { font-size: 26px !important; } .rka-cta-b { flex-direction: column; gap: 10px; width: 100%; } .rka-cta-b .rk-btn { min-width: 0; width: 100%; min-height: 54px; }
  .rkc-band .rki-h1 { font-size: 36px !important; } .rkc-h2, .rkc-faq .rkc-h2 { font-size: 26px !important; } .rkc-main { gap: 26px; }
  .rki-cf7 .rkf-2 { grid-template-columns: minmax(0, 1fr); } .rki-cf7 .wpcf7-submit { width: 100%; min-width: 0; } .rki-cf7 .wpcf7-spinner { left: auto; right: 12px; }
  .rkc-card { gap: 16px; padding: 16px 18px; min-height: 0; } .rkc-card b { font-size: 18px; } .rkc-card img { width: 40px; height: 40px; flex-basis: 40px; }
  .rkc-map { height: 240px; } .rkc-pin { left: 50%; top: 14px; transform: translateX(-50%); white-space: nowrap; }
  .rkd-form { padding: 22px 16px; }
  .rkv-grid { grid-template-columns: minmax(0, 1fr); gap: 26px; }
  .rkpo-h1 { font-size: 30px !important; } .rkpo-body { font-size: 16.5px; margin-top: 22px; } .rkpo-body h2 { font-size: 23px !important; } .rkpo-cta { flex-direction: column; align-items: flex-start; }
  .rkb-main { padding-top: 24px; }
}
.rkc-card b[data-m], .rkc-card .rkc-em { font-size: 19.5px; overflow-wrap: normal; white-space: nowrap; }
@media (min-width: 850px) and (max-width: 1199px) { .rkc-card .rkc-em { font-size: 15px; } }
@media (max-width: 849px) { .rkc-card .rkc-em { font-size: 15.5px; white-space: normal; overflow-wrap: anywhere; } }
/* mobile: bộ lọc thu gọn, sản phẩm lên màn đầu */
@media (max-width: 849px) {
  .rks-ft { display: flex; justify-content: space-between; align-items: center; cursor: pointer; margin: 0 !important; }
  .rks-ft::after { content: "+"; font-weight: 400; font-size: 26px; line-height: 1; } .rks-side.open .rks-ft::after { content: "−"; }
  .rks-side:not(.open) .rks-grp, .rks-side:not(.open) .rks-clear { display: none; } .rks-side.open .rks-ft { margin-bottom: 14px !important; }
}
/* ruler:manual (10-03) — theo bề rộng dòng (_cmpw) + ruler: tiêu đề SP 44px, câu chuyện 43px, chú thích đội ngũ 17px, icon cam kết SP 50px */
@media (min-width: 1200px) {
  .rkp-title { font-size: 44px !important; }
  .rka-story .rka-h2 { font-size: 43px !important; }
  .rka-tm h3 { font-size: 17px !important; }
  .rkp-cm img { width: 50px; height: 50px; }
}
@media (min-width: 850px) { .rka-val img { width: 84px; height: 84px; } } /* ruler: icon giá trị NHO x1.23 -> 84px */