:root{color:#242825;background:#f5f6f3;font-family:Inter,PingFang SC,Microsoft YaHei,sans-serif;font-synthesis:none;letter-spacing:0;--ink: #202421;--muted: #68706b;--line: #d9ddd8;--paper: #ffffff;--accent: #9d2c2c;--green: #315f4b}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh}button,input{font:inherit;letter-spacing:0}button{cursor:pointer}.app-shell{min-height:100vh}.site-header{height:64px;padding:0 max(18px,env(safe-area-inset-left));display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);background:#fffffff5;position:sticky;top:0;z-index:30}.store-name{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none;font-weight:700}.store-mark{width:34px;height:34px;display:grid;place-items:center;color:#fff;background:var(--accent);border-radius:4px;font-family:serif}.catalog-state{font-size:13px;color:var(--green);border-left:1px solid var(--line);padding-left:14px}.catalog-state.closed{color:var(--accent)}main{min-height:calc(100vh - 120px)}footer{color:#7a817c;text-align:center;font-size:12px;padding:36px 16px 28px}.product-page{max-width:1180px;margin:0 auto}.product-overview{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(330px,.92fr);min-height:min(720px,calc(100vh - 64px))}.gallery{padding:28px;border-right:1px solid var(--line);min-width:0}.gallery-main{width:100%;aspect-ratio:4/3;background:#e9ece7;overflow:hidden;display:grid;place-items:center}.gallery-main img{width:100%;height:100%;object-fit:contain;background:#fff}.photo-empty{color:#8a918c;display:grid;justify-items:center;gap:10px}.thumb-strip{display:flex;gap:10px;overflow-x:auto;margin-top:12px;padding-bottom:4px}.thumb{width:66px;height:54px;flex:0 0 66px;border:2px solid transparent;padding:0;background:#fff}.thumb.active{border-color:var(--accent)}.thumb img{width:100%;height:100%;object-fit:cover}.product-summary{padding:clamp(32px,6vw,72px) clamp(24px,5vw,64px);align-self:center}.eyebrow{display:flex;justify-content:space-between;color:var(--accent);font-size:13px;font-weight:700}h1{margin:18px 0 12px;font-size:clamp(30px,4vw,52px);line-height:1.14;font-family:Georgia,Songti SC,serif;font-weight:600}.description{color:var(--muted);line-height:1.8;white-space:pre-line}.price-line{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:22px 0;margin:26px 0;display:flex;align-items:end;justify-content:space-between}.price-line small{color:var(--muted)}.price-line strong{color:var(--accent);font-size:36px;font-variant-numeric:tabular-nums}.price-line strong span{font-size:18px;margin-right:3px}.facts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 18px}.facts span{min-width:0;display:flex;align-items:center;gap:6px;color:#505752;line-height:1.5}.facts b{color:var(--ink);font-weight:600;margin-right:2px}.share-command,.command{min-height:46px;border:0;background:var(--ink);color:#fff;padding:0 20px;display:inline-flex;align-items:center;justify-content:center;gap:9px;margin-top:28px}.share-command:hover,.command:hover{background:var(--green)}.share-state{margin-left:14px;display:inline-flex;align-items:center;gap:5px;color:var(--green);font-size:13px}.bundle-section{border-top:1px solid var(--line);padding:56px 28px}.section-heading{display:flex;justify-content:space-between;align-items:end;margin-bottom:24px}.section-heading span,.line-kicker{color:var(--accent);font-size:12px;font-weight:700}.section-heading h2{margin:6px 0 0;font-family:Georgia,Songti SC,serif;font-size:28px}.section-heading>strong{font-size:26px;color:var(--accent)}.bundle-list{border-top:1px solid var(--line)}.bundle-item{display:grid;grid-template-columns:148px minmax(0,1fr);gap:24px;padding:24px 0;border-bottom:1px solid var(--line)}.bundle-photo{width:148px;aspect-ratio:1;background:#e9ece7;display:grid;place-items:center;color:#8c938e}.bundle-photo img{width:100%;height:100%;object-fit:cover}.bundle-heading{display:flex;justify-content:space-between;gap:18px;align-items:start}.bundle-heading h3{margin:5px 0 12px;font-size:20px}.bundle-heading strong{color:var(--accent);white-space:nowrap}.facts.compact{display:flex;flex-wrap:wrap;gap:8px 18px;font-size:13px}.replacement-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}.replacement-list button{min-height:36px;padding:0 12px;border:1px solid #cdd2cd;background:#fff;display:inline-flex;align-items:center;gap:6px;color:#4f5651}.replacement-list button.selected{color:var(--green);border-color:var(--green);background:#f0f5f2}.sticky-total{display:none}.state-view{min-height:calc(100vh - 64px);display:grid;place-content:center;justify-items:center;gap:14px;color:var(--muted)}.error-view{color:var(--accent)}.spin{animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media(max-width:760px){.site-header{height:56px}.product-overview{display:block;min-height:auto}.gallery{padding:0;border-right:0}.gallery-main{aspect-ratio:1}.thumb-strip{padding:0 16px 5px}.product-summary{padding:26px 18px 36px}h1{font-size:32px}.facts{grid-template-columns:1fr}.bundle-section{padding:36px 18px 92px}.section-heading>strong{display:none}.bundle-item{grid-template-columns:84px minmax(0,1fr);gap:14px}.bundle-photo{width:84px}.bundle-heading{display:block}.bundle-heading strong{display:block;margin-bottom:8px}.facts.compact{display:grid;grid-template-columns:1fr;gap:4px}.replacement-list{grid-column:1 / -1}.sticky-total{position:fixed;display:flex;left:0;right:0;bottom:0;height:calc(66px + env(safe-area-inset-bottom));padding:0 18px env(safe-area-inset-bottom);align-items:center;justify-content:space-between;background:#1f2421;color:#fff;z-index:20;box-shadow:0 -4px 20px #0000001f}.sticky-total span{max-width:62%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.sticky-total strong{font-size:22px}}