/* TJO — The January Outdoor · thejanuaryoutdoor.com
   TG-85 (03/11/2026, Thắng chốt): bố cục kiểu catalog mobile — nền trắng, chữ #1E1E1E, nền ảnh #F4F4F4,
   xanh rêu #556B2F là màu nhấn DUY NHẤT (nút chính, gạch chân tab đang chọn, link nhấn).
   Tiêu đề Montserrat 500–600 viết thường theo câu, letter-spacing ≤ .01em; thân Be Vietnam Pro.
   Chữ ≥ 11px. Chuyển động ≤ 200ms, tắt khi prefers-reduced-motion. */
:root{
  --bg:#FFFFFF; --bg2:#F4F4F4; --img:#F4F4F4; --ink:#1E1E1E; --muted:#5F5F5F; --line:#E6E6E6;
  --moss:#556B2F; --moss-d:#44561F; --warn:#8A5A00; --off:#8C8C8C;
  --font-h:'Montserrat',system-ui,-apple-system,'Segoe UI',sans-serif;
  --font-b:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',sans-serif;
  --wrap:1280px; --hd:52px; --bnav:58px; --safe:env(safe-area-inset-bottom,0px);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.6 var(--font-b);overflow-x:hidden}
img{max-width:100%;display:block}
a{color:inherit}
button{font:inherit;color:inherit}
h1,h2,h3{font-family:var(--font-h);font-weight:600;margin:0;line-height:1.25;letter-spacing:0}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 16px}
.skip{position:absolute;left:-9999px}.skip:focus{left:12px;top:12px;background:#fff;padding:8px 12px;z-index:99}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.eyebrow{font:500 13px/1.4 var(--font-b);color:var(--muted);margin:0}
.muted{color:var(--muted)}
.small{font-size:13px}
:focus-visible{outline:2px solid var(--moss);outline-offset:2px}

/* A1 — đầu trang 1 hàng */
.hd{position:sticky;top:0;z-index:40;background:#fff;border-bottom:1px solid var(--line)}
.hd-in{display:grid;grid-template-columns:52px 1fr 52px;align-items:center;height:var(--hd);max-width:var(--wrap);margin:0 auto;padding:0 4px}
.hd-ic{display:flex;align-items:center;justify-content:center;width:48px;height:48px;cursor:pointer;color:var(--ink);text-decoration:none;list-style:none}
.hd-ic::-webkit-details-marker{display:none}
.logo{justify-self:center;text-decoration:none;display:flex;flex-direction:column;align-items:center;line-height:1;padding:6px 8px}
.logo b{font:600 20px/1 var(--font-h);letter-spacing:.16em;margin-right:-.16em}
.logo span{font:500 11px/1 var(--font-b);margin-top:4px;color:var(--muted)}
.mnu{justify-self:end}
.mnu > summary{list-style:none}
.mnu > summary::-webkit-details-marker{display:none}
.mnu[open] > summary::before{content:"";position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:60;cursor:default}
.menu{position:fixed;top:0;right:0;bottom:0;width:min(86vw,360px);background:#fff;z-index:61;overflow-y:auto;padding:0 0 calc(24px + var(--safe));box-shadow:-8px 0 24px rgba(0,0,0,.12)}
.menu-hd{display:flex;align-items:center;justify-content:space-between;height:var(--hd);padding:0 4px 0 20px;border-bottom:1px solid var(--line)}
.menu-t{font:600 16px/1 var(--font-h)}
.menu-x{display:flex;align-items:center;justify-content:center;width:48px;height:48px;border:0;background:none;cursor:pointer}
.menu-l{list-style:none;margin:0;padding:8px 0;border-bottom:1px solid var(--line)}
.menu-l a{display:flex;align-items:center;min-height:46px;padding:0 20px;text-decoration:none;font:500 15px/1.3 var(--font-h)}
.menu-l a[aria-current=page]{color:var(--moss)}
.menu-s a{font:400 14px/1.3 var(--font-b);min-height:44px}
.menu-sub{margin:16px 20px 0;font-size:13px;color:var(--muted)}
.menu-lang{display:flex;align-items:center;min-height:48px;margin:12px 20px 0;padding:0 14px;border:1px solid var(--ink);text-decoration:none;font:500 14px/1 var(--font-h);width:max-content}
@media (prefers-reduced-motion:no-preference){.mnu[open] .menu{animation:menu-in .18s ease-out}}
@keyframes menu-in{from{transform:translateX(24px);opacity:.6}to{transform:none;opacity:1}}

/* Buttons — chữ thường theo câu */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:10px 18px;border:1px solid var(--ink);background:#fff;font:500 14px/1.2 var(--font-h);letter-spacing:0;text-decoration:none;cursor:pointer;border-radius:0;color:var(--ink);transition:background .15s,color .15s}
.btn-solid{background:var(--moss);border-color:var(--moss);color:#fff}
.btn-solid:hover{background:var(--moss-d);border-color:var(--moss-d)}
.btn-sm{min-height:44px;padding:8px 14px;font-size:13px}
.btn-row{display:flex;flex-wrap:wrap;gap:8px}

/* Sections */
.sec{padding:40px 0}
.sec-alt{background:var(--bg2)}
.sec-hd{display:flex;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:14px}
.sec-hd h2{font-size:21px;font-weight:600}
.sec-hd a{font:500 13px/1 var(--font-b);white-space:nowrap;color:var(--moss);display:inline-flex;align-items:center;justify-content:flex-end;min-height:44px;min-width:56px;text-decoration:none}

/* Product card — không viền, không bo; ảnh 4:5 nền #F4F4F4, ảnh gốc giữ nguyên (contain) */
.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px 6px}
@media (min-width:768px){.grid{grid-template-columns:repeat(4,minmax(0,1fr))}}
@media (min-width:1024px){.grid{grid-template-columns:repeat(5,minmax(0,1fr));gap:26px 8px}}
.card{text-decoration:none;display:block;min-width:0}
.card[hidden]{display:none}
.card .ph{aspect-ratio:4/5;background:var(--img);overflow:hidden;position:relative}
.card .ph img{width:100%;height:100%;object-fit:contain}
.card .tag{position:absolute;left:0;top:0;background:var(--moss);color:#fff;font:600 11px/1 var(--font-b);padding:4px 6px}
.card h3{font:400 12.5px/1.35 var(--font-b);margin:7px 0 2px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card .price{font:600 13px/1.3 var(--font-b);margin:0}
.card .av{font-size:11px;line-height:1.35;color:var(--muted);margin:3px 0 0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
@media (min-width:1024px){.card h3{font-size:13px}.card .av{font-size:12px}}
.card.is-out .ph img{opacity:.55}
.dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--moss);margin-right:5px;vertical-align:1px}
.dot.low{background:var(--warn)}.dot.out{background:var(--off)}

/* Page head */
.ph-head{padding:16px 0 8px}
.ph-head h1{font-size:20px;font-weight:600}
.ph-head p{max-width:680px;color:var(--muted);margin:8px 0 0}
.crumbs{font-size:13px;color:var(--muted);margin-bottom:8px}
.crumbs a{text-decoration:none}.crumbs a:hover{text-decoration:underline}
@media (min-width:1024px){.ph-head{padding:28px 0 12px}.ph-head h1{font-size:26px}}

/* Story split */
.split{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.split img{width:100%;aspect-ratio:4/5;object-fit:cover}
.split h2{font-size:22px;margin:6px 0 14px}
.split p{margin:0 0 12px;max-width:520px}
@media (max-width:800px){.split{grid-template-columns:1fr;gap:20px}}

/* Lookbook */
.lb{display:grid;grid-template-columns:repeat(6,1fr);gap:6px}
.lb figure{margin:0;overflow:hidden;background:var(--bg2)}
.lb img{width:100%;height:100%;object-fit:cover}
.lb .w2{grid-column:span 2}.lb .w3{grid-column:span 3}.lb .w4{grid-column:span 4}
.lb .r{aspect-ratio:2/3}.lb .l{aspect-ratio:3/2}
@media (max-width:720px){.lb{grid-template-columns:1fr 1fr}.lb .w2,.lb .w3{grid-column:span 1}.lb .w4{grid-column:span 2}}

/* Stores page */
.stores{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.store{padding:0}
.store h3{font-size:17px;margin-bottom:8px}
.store p{margin:0 0 4px;font-size:14px}
.store .btn-row{margin-top:12px}
@media (max-width:860px){.stores{grid-template-columns:1fr;gap:0}.store{padding:20px 0;border-bottom:1px solid var(--line)}.store:first-child{padding-top:4px}}

.ul{margin:0;padding-left:18px}.ul li{margin:4px 0}

/* Prose (policy, story) */
.prose{max-width:760px;padding:4px 0 56px}
.prose h2{font-size:17px;margin:30px 0 10px}
.prose p,.prose li{font-size:15px}
.prose .lead{font-size:17px;font-weight:500}
.prose .note{border-left:3px solid var(--moss);padding:10px 16px;background:var(--bg2);font-weight:500}
.steps{counter-reset:s;list-style:none;padding:0;margin:0;display:grid;gap:10px}
.steps li{counter-increment:s;display:flex;gap:12px;align-items:flex-start}
.steps li::before{content:counter(s);flex:0 0 28px;height:28px;border-radius:50%;background:var(--moss);color:#fff;font:600 13px/28px var(--font-h);text-align:center}
.tbl{width:100%;border-collapse:collapse;font-size:14px;margin:8px 0}
.tbl th,.tbl td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}
.tbl th{background:var(--bg2);font-weight:600}
@media (max-width:640px){.tbl{font-size:13px}.tbl th,.tbl td{padding:8px}}
.story-hero{width:100%;aspect-ratio:16/9;object-fit:cover;margin:6px 0 24px}

/* Footer */
.ft{background:var(--bg2);padding:40px 0 24px}
.ft-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1.2fr;gap:28px}
.ft h3{font:600 14px/1.3 var(--font-h);margin-bottom:10px}
.ft ul{list-style:none;padding:0;margin:0}
.ft li{margin:0;font-size:14px}
.ft li a{display:inline-flex;align-items:center;min-height:36px}
.ft a{text-decoration:none}.ft a:hover{text-decoration:underline}
.ft .legal{border-top:1px solid var(--line);margin-top:28px;padding-top:16px;font-size:12px;color:var(--muted);display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between}
@media (max-width:860px){.ft-grid{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.ft-grid{grid-template-columns:1fr;gap:20px}}
.empty{padding:40px 0;color:var(--muted)}

@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
html.lock,html.lock body{overflow:hidden}

/* A2 — hàng tab lướt ngang (chữ thường 15px, tab đang xem đậm + gạch chân xanh rêu) */
.tabs{background:#fff;border-bottom:1px solid var(--line)}
.tabs-in{display:flex;gap:2px;overflow-x:auto;scrollbar-width:none;max-width:var(--wrap);margin:0 auto;padding:0 8px;-webkit-overflow-scrolling:touch}
.tabs-in::-webkit-scrollbar{display:none}
.tabs a{flex:0 0 auto;display:flex;align-items:center;min-height:44px;padding:0 9px;font:400 15px/1 var(--font-h);text-decoration:none;color:#3A3A3A;white-space:nowrap;border-bottom:2px solid transparent;margin-bottom:-1px}
.tabs a:hover{color:var(--ink)}
.tabs a[aria-current]{font-weight:600;color:var(--ink);border-bottom-color:var(--moss)}
@media (min-width:1024px){.tabs-in{justify-content:center;gap:8px}}

/* A3 — thanh đáy 5 mục (< 1024px), có safe-area; chân trang chừa đáy */
.bnav{position:fixed;left:0;right:0;bottom:0;z-index:45;display:grid;grid-template-columns:repeat(5,1fr);background:#fff;border-top:1px solid var(--line);padding-bottom:var(--safe)}
.bnav a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;min-height:var(--bnav);min-width:44px;text-decoration:none;color:#3A3A3A;font:500 11px/1.1 var(--font-b)}
.bnav a[aria-current=page]{color:var(--moss);font-weight:600}
.bnav svg{width:22px;height:22px}
body{padding-bottom:calc(var(--bnav) + var(--safe))}
@media (min-width:1024px){.bnav{display:none}body{padding-bottom:0}}

/* Bảng trượt lên (Zalo từng cửa hàng / chọn cửa hàng) */
.sheet{display:none;position:fixed;inset:0;z-index:70}
.sheet:target,.sheet.open{display:block}
.sheet-bg{position:absolute;inset:0;background:rgba(0,0,0,.4)}
.sheet-in{position:absolute;left:0;right:0;bottom:0;background:#fff;max-height:80vh;overflow-y:auto;padding:0 0 calc(12px + var(--safe))}
@media (min-width:1024px){.sheet-in{left:50%;right:auto;bottom:auto;top:50%;transform:translate(-50%,-50%);width:440px}}
@media (prefers-reduced-motion:no-preference) and (max-width:1023px){.sheet.open .sheet-in,.sheet:target .sheet-in{animation:sheet-up .18s ease-out}}
@keyframes sheet-up{from{transform:translateY(24px);opacity:.6}to{transform:none;opacity:1}}
.sheet-hd{display:flex;align-items:center;justify-content:space-between;padding:6px 4px 6px 20px;border-bottom:1px solid var(--line)}
.sheet-hd h2{font-size:16px}
.sheet-x{display:flex;align-items:center;justify-content:center;width:48px;height:48px;color:var(--ink)}
.sheet-l{list-style:none;margin:0;padding:4px 0}
.sheet-l a{display:flex;align-items:center;gap:14px;min-height:64px;padding:8px 20px;text-decoration:none}
.sheet-l a:hover{background:var(--bg2)}
.sheet-l svg{flex:0 0 24px;color:var(--moss)}
.sheet-l a > span{display:flex;flex-direction:column;gap:2px;font-size:15px}
.sheet-l b{font:600 15px/1.3 var(--font-h)}
.sheet-l small{font-size:13px;color:var(--muted)}
.sheet-l .av-live{font-size:13px;color:var(--ink)}

/* A4 — trang Sản phẩm / nhóm: chip 1 hàng lướt ngang, lọc gọn 1 hàng, giới thiệu dưới lưới */
.filters{margin:0 0 12px}
.chips{display:flex;gap:6px;overflow-x:auto;scrollbar-width:none;margin:0 -16px;padding:0 16px;-webkit-overflow-scrolling:touch}
.chips::-webkit-scrollbar{display:none}
.chip{flex:0 0 auto;display:inline-flex;align-items:center;min-height:44px;padding:0;border:0;background:none;cursor:pointer;text-decoration:none;color:var(--ink)}
.chip span{display:inline-flex;align-items:center;height:34px;padding:0 13px;border:1px solid var(--line);border-radius:999px;font:400 13px/1 var(--font-b);white-space:nowrap}
.chip[aria-pressed=true] span,.chip[aria-current=page] span{background:var(--ink);border-color:var(--ink);color:#fff;font-weight:500}
.frow{display:flex;align-items:center;gap:6px 14px;flex-wrap:nowrap;min-height:44px}
.frow select{font:inherit;font-size:13px;min-height:44px;padding:0 8px;border:0;border-bottom:1px solid var(--line);background:#fff;color:var(--ink);max-width:44vw;border-radius:0}
.frow label{font-size:13px;display:flex;gap:6px;align-items:center;min-height:44px;white-space:nowrap;cursor:pointer}
.frow input{width:18px;height:18px;accent-color:var(--moss);margin:0}
.count{font-size:13px;color:var(--muted);margin-left:auto;white-space:nowrap}
.below{max-width:680px;padding:28px 0 40px;color:var(--muted)}
.below p{margin:0 0 8px}
@media (max-width:767px){.ph-head .crumbs{display:none}}
#loc{scroll-margin-top:calc(var(--hd) + 4px)}

/* B1 — bang-rôn lướt ngang (scroll-snap, không thư viện): ô ~343×301 thấy mép ô kế, chữ ngắn đè ảnh, bộ đếm 1 / N */
.ban{position:relative;margin:12px 0 4px}
.ban-row{display:flex;gap:6px;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;padding:0 16px;scroll-padding:0 16px;-webkit-overflow-scrolling:touch}
.ban-row::-webkit-scrollbar{display:none}
.ban-s{flex:0 0 calc(100vw - 32px);max-width:420px;scroll-snap-align:start;position:relative}
.ban-s a{display:block;position:relative;aspect-ratio:343/301;background:var(--img);overflow:hidden;text-decoration:none;color:#fff}
.ban-s img{width:100%;height:100%;object-fit:cover}
.ban-txt{position:absolute;left:0;right:0;bottom:0;padding:48px 16px 16px;background:linear-gradient(180deg,rgba(0,0,0,0) 0,rgba(0,0,0,.6) 30%,rgba(0,0,0,.72) 100%)}
.ban-txt h1,.ban-txt .ban-h{font:600 22px/1.2 var(--font-h);margin:0;color:#fff}
.ban-txt p{margin:6px 0 0;font-size:14px;line-height:1.4;color:#fff;max-width:300px}
.ban-txt .ban-h{margin:0}
.ban-ctl{position:absolute;right:26px;top:10px;margin:0;padding:3px 9px;background:rgba(0,0,0,.6);color:#fff;font:500 12px/1.3 var(--font-b);border-radius:999px;pointer-events:none}
@media (min-width:1024px){.ban{max-width:var(--wrap);margin:20px auto 4px}.ban-s{flex-basis:calc((100% - 12px) / 3);max-width:none}.ban-ctl{display:none}}

/* B2 — chip nhóm */
.hchips{max-width:var(--wrap);margin:0 auto;padding:6px 16px 0}
.hchips .chips{margin:0 -16px;padding:0 16px}
@media (min-width:1024px){.hchips .chips{justify-content:center}}

/* B3 — kệ: tiêu đề 21px + Xem tất cả + 1 hàng thẻ lướt ngang (~3,3 thẻ, thẻ 108px) */
.shelf{padding:18px 0 6px}
.shelf-hd{margin-bottom:6px}
.shelf-row{display:grid;grid-auto-flow:column;grid-auto-columns:108px;gap:6px;overflow-x:auto;scroll-snap-type:x proximity;scrollbar-width:none;margin:0 -16px;padding:0 16px 6px;scroll-padding:0 16px;-webkit-overflow-scrolling:touch}
.shelf-row::-webkit-scrollbar{display:none}
.shelf-row .card{scroll-snap-align:start}
@media (min-width:1024px){.shelf-row{grid-auto-columns:180px;gap:10px}}

/* B4 — kệ Cửa hàng: mỗi cửa hàng 1 dòng */
.sec-st{padding:28px 0 8px}
.st-sub{margin:-4px 0 6px;font-size:14px;color:var(--muted);max-width:640px}
.st-list{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.st-list li{display:flex;align-items:center;gap:6px 12px;min-height:52px;border-bottom:1px solid var(--line);flex-wrap:wrap;padding:4px 0}
.st-n{font:600 15px/1.3 var(--font-h);min-width:118px}
.st-h{font-size:13px;color:var(--muted);flex:1}
.st-list a,.st-row a{display:inline-flex;align-items:center;gap:4px;min-height:44px;padding:0 2px;color:var(--moss);font:500 14px/1 var(--font-b);text-decoration:none;white-space:nowrap}
.st-list svg{width:18px;height:18px}
.usp{list-style:none;margin:16px 0 0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:8px 16px;font-size:13px;color:var(--muted)}
@media (min-width:1024px){.usp{grid-template-columns:repeat(4,1fr)}.st-list{display:grid;grid-template-columns:repeat(3,1fr);gap:0 24px}}

.sec-story{background:var(--bg2);margin-top:28px}
.sec-lb{padding-bottom:12px}

/* B5 — Khám phá thêm: lưới 3 cột render sẵn, ảnh lazy, content-visibility */
.feed .grid > .card{content-visibility:auto;contain-intrinsic-size:auto 230px}
.feed-end{margin:28px 0 8px;text-align:center;color:var(--muted);font-size:14px}
.feed-end a{color:var(--moss);display:inline-flex;align-items:center;min-height:44px}

/* C — trang sản phẩm */
.pdp{display:grid;grid-template-columns:1fr;gap:16px;padding:0 0 24px}
.gal-w{position:relative;margin:0 -16px}
.gal{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;-webkit-overflow-scrolling:touch}
.gal::-webkit-scrollbar{display:none}
.gal figure{flex:0 0 100%;margin:0;aspect-ratio:4/5;background:var(--img);scroll-snap-align:start}
.gal img{width:100%;height:100%;object-fit:contain}
.gal-ctl{position:absolute;right:12px;bottom:12px;margin:0;padding:3px 9px;background:rgba(0,0,0,.6);color:#fff;font:500 12px/1.3 var(--font-b);border-radius:999px;pointer-events:none}
@media (min-width:600px) and (max-width:1023px){.gal-w{margin:16px auto 0;max-width:560px;width:100%}}
@media (min-width:1024px){
  .pdp{grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:40px;padding:24px 0 40px;align-items:start}
  .gal-w{margin:0}.gal{display:grid;grid-template-columns:1fr 1fr;gap:6px;overflow:visible}
  .gal figure:first-child{grid-column:span 2}.gal-ctl{display:none}
  .info{position:sticky;top:calc(var(--hd) + 16px)}
}
.info .crumbs{display:none}
@media (min-width:1024px){.info .crumbs{display:block}}
.info .eyebrow{margin:0 0 4px}
.info h1{font-size:18px;font-weight:600;line-height:1.3;margin:0 0 6px}
@media (min-width:1024px){.info h1{font-size:24px}}
.info .price{font:600 20px/1.3 var(--font-b);margin:0 0 2px}
.info .code{font-size:13px;color:var(--muted);margin:0 0 14px}
.sizes{display:flex;flex-wrap:wrap;gap:6px;margin:6px 0 16px}
.size{min-width:44px;text-align:center;padding:8px 10px;border:1px solid var(--ink);font-size:13px}
.box{border-top:1px solid var(--line);padding:16px 0}
.box h2{font-size:15px;font-weight:600;margin-bottom:10px}
.box p{margin:0 0 10px}
.lnk{color:var(--moss);display:inline-flex;align-items:center;min-height:44px;font-weight:500}
.st-rows{list-style:none;margin:0;padding:0}
.st-row{display:flex;align-items:center;gap:4px 10px;min-height:56px;border-bottom:1px solid var(--line);padding:4px 0}
.st-row:last-child{border-bottom:0}
.st-a{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px}
.st-a b{font:600 14px/1.3 var(--font-h)}
.st-a .sz{font-size:13px;color:var(--muted)}
.st-row a{gap:4px;font-size:13px;padding:0 4px;min-width:44px;justify-content:center}
.st-row svg{width:18px;height:18px}
.av-stale{display:none;background:var(--bg2);padding:12px 14px;font-size:14px}
.stale .av-live,.stale .card .av,.stale [data-fs-wrap]{display:none!important}
.stale .av-stale{display:block}
.chart img{margin-top:8px;background:#fff}
.shelf-pdp{padding:8px 0 16px}

/* C4 — thanh nút cố định đáy PDP (thay thanh đáy 5 mục) */
.pdp-bar{position:fixed;left:0;right:0;bottom:0;z-index:45;background:#fff;border-top:1px solid var(--line);padding:6px 12px calc(6px + var(--safe))}
.pb-in{display:grid;grid-template-columns:1fr 1.25fr 48px;gap:6px;max-width:560px;margin:0 auto}
.pdp-bar .btn{min-height:48px;padding:0 10px;font-size:15px;white-space:nowrap}
.pdp-bar .btn svg{width:20px;height:20px}
.pb-msg{display:flex;align-items:center;justify-content:center;min-height:48px;border:1px solid var(--line);color:var(--ink)}
html[data-page=product] body{padding-bottom:calc(64px + var(--safe))}