:root{
  --green:#0f9f61;
  --green-2:#13b46f;
  --green-dark:#0a7d4c;
  --green-soft:#e8f7ef;
  --ink:#1c2430;
  --ink-2:#4a5568;
  --muted:#8b96a5;
  --line:#e6eaf0;
  --bg:#f4f6f9;
  --card:#fff;
  --danger:#e5484d;
  --radius:14px;
  --shadow-sm:0 1px 2px rgba(16,24,40,.04),0 1px 3px rgba(16,24,40,.06);
  --shadow-md:0 8px 24px rgba(16,24,40,.08);
  --shadow-lg:0 24px 64px rgba(16,24,40,.18);
}
*{box-sizing:border-box}
html,body{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:14px;line-height:1.5;
}
img{display:block;max-width:100%}
button{font-family:inherit;cursor:pointer}
a{color:inherit;text-decoration:none}

/* ---------- entry ---------- */
.entry{position:fixed;inset:0;z-index:200;background:#0b3b28;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px;color:#fff;transition:opacity .5s ease,visibility .5s}
.entry.hide{opacity:0;visibility:hidden}
.entry-mark{font-size:26px;font-weight:800;letter-spacing:3px}
.entry-bar{width:170px;height:3px;border-radius:99px;background:rgba(255,255,255,.18);overflow:hidden}
.entry-bar i{display:block;height:100%;width:40%;border-radius:99px;background:linear-gradient(90deg,#6ee7b7,#ffffff);animation:entryRun 1s ease-in-out infinite}
.entry-text{font-size:12px;letter-spacing:2px;color:rgba(255,255,255,.65)}
@keyframes entryRun{0%{transform:translateX(-100%)}100%{transform:translateX(260%)}}

/* ---------- topbar ---------- */
.topbar{
  position:sticky;top:0;z-index:40;display:flex;align-items:center;gap:16px;
  height:64px;padding:0 20px;
  background:linear-gradient(120deg,#0b8f57,#12b170 55%,#0f9f61);
  color:#fff;box-shadow:0 1px 0 rgba(0,0,0,.06),0 6px 20px rgba(15,159,97,.18);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo{
  width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.32);
  font-weight:800;font-size:14px;letter-spacing:.5px;backdrop-filter:blur(4px)
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text b{font-size:17px;letter-spacing:.5px}
.brand-text em{font-size:11px;font-style:normal;opacity:.72;letter-spacing:1px}
.nav{display:flex;align-items:center;gap:2px;flex:1;overflow:auto;scrollbar-width:none}
.nav::-webkit-scrollbar{display:none}
.nav a{
  padding:8px 13px;border-radius:999px;font-size:13px;white-space:nowrap;
  color:rgba(255,255,255,.88);transition:background .18s,color .18s
}
.nav a:hover{background:rgba(255,255,255,.14);color:#fff}
.nav a.active{background:rgba(255,255,255,.22);color:#fff;font-weight:700}
.top-search{flex:0 1 240px}
.top-search input{
  width:100%;height:36px;border-radius:999px;border:1px solid rgba(255,255,255,.35);
  background:rgba(255,255,255,.14);color:#fff;padding:0 15px;outline:none;font-size:13px
}
.top-search input::placeholder{color:rgba(255,255,255,.7)}
.top-search input:focus{background:rgba(255,255,255,.22);border-color:rgba(255,255,255,.7)}
.cart-entry{
  display:flex;align-items:center;gap:7px;height:36px;padding:0 14px;border-radius:999px;
  border:1px solid rgba(255,255,255,.45);background:rgba(255,255,255,.14);color:#fff;
  font-size:13px;font-weight:600;white-space:nowrap;transition:background .18s
}
.cart-entry:hover{background:rgba(255,255,255,.26)}
.cart-badge{
  min-width:19px;height:19px;padding:0 5px;border-radius:999px;background:#ff5b5b;color:#fff;
  font-size:11px;font-weight:700;display:inline-flex;align-items:center;justify-content:center
}
.menu-btn{display:none;width:38px;height:36px;border-radius:10px;border:1px solid rgba(255,255,255,.4);background:rgba(255,255,255,.14);color:#fff;font-size:16px}

/* ---------- layout ---------- */
.layout{display:flex;align-items:stretch;min-height:calc(100vh - 64px)}
.backdrop{display:none}
.sidebar{
  width:232px;flex:0 0 232px;background:#fff;border-right:1px solid var(--line);
  position:sticky;top:64px;height:calc(100vh - 64px);display:flex;flex-direction:column;
  transition:width .22s,flex-basis .22s;z-index:30
}
.sidebar.hide{width:0;flex-basis:0;border-right:0;overflow:hidden}
.side-head{display:flex;gap:6px;padding:12px;border-bottom:1px solid var(--line)}
.side-head input{
  flex:1;min-width:0;height:34px;border:1px solid var(--line);border-radius:9px;
  padding:0 11px;outline:none;font-size:13px;background:#f7f9fb
}
.side-head input:focus{border-color:var(--green-2);background:#fff}
.mini{
  height:34px;padding:0 12px;border-radius:9px;border:1px solid var(--line);
  background:#fff;color:var(--ink-2);font-size:13px;white-space:nowrap;transition:.16s
}
.mini:hover{border-color:var(--green-2);color:var(--green);background:var(--green-soft)}
.mini.green{background:var(--green);border-color:var(--green);color:#fff}
.mini.danger{background:#fff5f5;border-color:#f6c9cb;color:var(--danger)}
.tree{flex:1;overflow-y:auto;padding:8px 0 26px}
.tree::-webkit-scrollbar{width:6px}
.tree::-webkit-scrollbar-thumb{background:#dde3ea;border-radius:6px}
.node{
  display:flex;align-items:center;gap:8px;margin:2px 8px;padding:9px 12px;
  border-radius:999px;font-size:13px;color:var(--ink-2);cursor:pointer;transition:.15s
}
.node span{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.node i{
  font-style:normal;font-size:11px;color:var(--muted);background:#f1f4f8;
  padding:1px 7px;border-radius:999px;min-width:26px;text-align:center
}
.node:hover{background:var(--green-soft);color:var(--green-dark)}
.node.active{background:var(--green);color:#fff;font-weight:700}
.node.active i{background:rgba(255,255,255,.24);color:#fff}
.tree-title{padding:12px 20px 6px;font-size:11px;letter-spacing:1.5px;color:var(--muted)}

.main{flex:1;min-width:0;padding:0 0 30px}

/* ---------- shop strip ---------- */
.shop-strip{
  margin:16px 18px 0;padding:20px 22px;border-radius:18px;color:#fff;
  background:
    radial-gradient(120% 160% at 100% 0%,rgba(110,231,183,.42) 0%,rgba(110,231,183,0) 55%),
    linear-gradient(120deg,#0a5b3c,#0f8d59 55%,#13a86c);
  display:flex;gap:24px;justify-content:space-between;align-items:center;
  box-shadow:var(--shadow-md);position:relative;overflow:hidden
}
.shop-strip::after{
  content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;
  border:1px solid rgba(255,255,255,.16)
}
.shop-main h1{margin:0 0 8px;font-size:21px;letter-spacing:.6px}
.shop-main p{margin:0;font-size:13px;color:rgba(255,255,255,.82);max-width:640px}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.chip{
  padding:5px 12px;border-radius:999px;font-size:12px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.26);color:#fff;cursor:pointer
}
.chip:hover{background:rgba(255,255,255,.26)}
.shop-side{display:flex;gap:10px;flex:0 0 auto}
.shop-side-row{
  min-width:96px;padding:12px 14px;border-radius:12px;text-align:center;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2)
}
.shop-side-row span{display:block;font-size:11px;color:rgba(255,255,255,.75);letter-spacing:1px}
.shop-side-row b{display:block;font-size:20px;margin-top:2px}

/* ---------- toolbar ---------- */
.toolbar{
  position:sticky;top:64px;z-index:20;display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  margin:16px 18px 0;padding:10px 12px;border-radius:14px;background:#fff;
  border:1px solid var(--line);box-shadow:var(--shadow-sm)
}
.show-btn{display:none}
.layout.sidebar-hidden .show-btn{display:inline-flex}
.toolbar .search{
  flex:1 1 220px;min-width:0;height:36px;border:1px solid var(--line);border-radius:10px;
  padding:0 13px;outline:none;background:#f7f9fb;font-size:13px
}
.toolbar .search:focus{background:#fff;border-color:var(--green-2)}
.toolbar select{
  height:36px;border:1px solid var(--line);border-radius:10px;padding:0 10px;background:#fff;
  color:var(--ink-2);outline:none;font-size:13px
}
.stat{color:var(--muted);font-size:12px;margin-left:auto}

.content-head{display:flex;align-items:baseline;justify-content:space-between;gap:10px;margin:18px 18px 10px}
.content-head h2{margin:0;font-size:18px;letter-spacing:.3px}
.count{color:var(--muted);font-size:12px}

/* ---------- grid ---------- */
.grid{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(168px,1fr));
  gap:12px;padding:0 18px
}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow-sm);transition:transform .18s,box-shadow .18s,border-color .18s;
  display:flex;flex-direction:column
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:#cfe9db}
.card-img{
  position:relative;aspect-ratio:1/1;background:#f3f5f8;overflow:hidden;cursor:zoom-in
}
.card-img img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.card:hover .card-img img{transform:scale(1.05)}
.card-tag{
  position:absolute;left:8px;top:8px;padding:2px 8px;border-radius:999px;
  background:rgba(15,159,97,.92);color:#fff;font-size:11px;font-weight:600;backdrop-filter:blur(2px)
}
.card-photos{
  position:absolute;right:8px;bottom:8px;padding:2px 8px;border-radius:999px;
  background:rgba(20,26,34,.62);color:#fff;font-size:11px
}
.card-info{padding:10px 11px 12px;display:flex;flex-direction:column;gap:6px}
.card-title{
  font-size:13px;font-weight:600;line-height:1.45;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:38px
}
.card-foot{display:flex;align-items:center;justify-content:space-between;gap:8px}
.code{font-size:11px;color:var(--muted);letter-spacing:.3px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.price{color:#e5484d;font-weight:800;font-size:15px;white-space:nowrap}
.price small{font-weight:600;font-size:11px;color:var(--muted);margin-left:2px}

.empty{margin:60px auto;text-align:center;color:var(--muted)}
.pager{display:flex;align-items:center;justify-content:center;gap:8px;flex-wrap:wrap;padding:26px 18px 8px}
.page-list{display:flex;gap:6px;flex-wrap:wrap;justify-content:center}
.page-btn{
  min-width:34px;height:34px;padding:0 10px;border-radius:9px;border:1px solid var(--line);
  background:#fff;color:var(--ink-2);font-size:13px
}
.page-btn.active{background:var(--green);border-color:var(--green);color:#fff;font-weight:700}
.page-btn:disabled,.mini:disabled{opacity:.45;cursor:default}
.page-dots{color:var(--muted);padding:0 2px}

footer{margin-top:26px;padding:22px 18px 10px;text-align:center;color:var(--muted);font-size:12px;line-height:1.9;border-top:1px solid var(--line)}
.foot-sub{font-size:11px;opacity:.8}

/* ---------- modals ---------- */
.modal{
  position:fixed;inset:0;z-index:100;display:none;align-items:center;justify-content:center;
  padding:18px;background:rgba(16,22,30,.55);backdrop-filter:blur(3px)
}
.modal.show{display:flex;animation:fadeIn .18s ease}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
.dialog{
  width:100%;max-width:980px;max-height:92vh;overflow:auto;background:#fff;border-radius:18px;
  box-shadow:var(--shadow-lg);animation:popIn .2s ease
}
@keyframes popIn{from{transform:translateY(14px) scale(.985);opacity:.6}to{transform:none;opacity:1}}
.dialog-head{
  position:sticky;top:0;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:14px 18px;border-bottom:1px solid var(--line);background:rgba(255,255,255,.94);backdrop-filter:blur(6px);
  font-weight:700;font-size:15px
}
.close{width:32px;height:32px;border:0;border-radius:9px;background:#f2f4f7;color:var(--ink-2);font-size:20px;line-height:1}
.close:hover{background:#e8ecf1}
.detail{display:grid;grid-template-columns:minmax(260px,430px) 1fr;gap:22px;padding:18px}
.detail-img{
  position:relative;border-radius:14px;overflow:hidden;background:#f3f5f8;border:1px solid var(--line);
  cursor:zoom-in;aspect-ratio:1/1
}
.detail-img img{width:100%;height:100%;object-fit:contain;background:#f7f9fb}
.detail-nav{display:flex;align-items:center;gap:6px}
.nav-btn{
  height:32px;padding:0 11px;border-radius:9px;border:1px solid var(--line);background:#fff;
  color:var(--ink-2);font-size:12px
}
.nav-btn:hover{border-color:var(--green-2);color:var(--green)}
.detail-title{font-size:18px;font-weight:700;line-height:1.45;margin:2px 0 12px}
.kv{display:grid;grid-template-columns:78px 1fr;gap:6px 10px;font-size:13px;color:var(--ink-2);padding:12px 0;border-top:1px dashed var(--line);border-bottom:1px dashed var(--line)}
.kv b{color:var(--ink);font-weight:600}
.tag-line{display:flex;gap:6px;flex-wrap:wrap;margin:12px 0}
.tag{font-size:12px;padding:3px 10px;border-radius:999px;background:var(--green-soft);color:var(--green-dark);border:1px solid #c7ecda}
.spec-title{margin:16px 0 8px;font-size:13px;font-weight:700}
.specs{display:flex;gap:8px;flex-wrap:wrap}
.spec{
  padding:8px 14px;border-radius:10px;border:1px solid var(--line);background:#fff;font-size:13px;color:var(--ink-2)
}
.spec.active{border-color:var(--green-2);background:var(--green-soft);color:var(--green-dark);font-weight:700}
.qty{display:flex;align-items:center;gap:0;width:max-content;border:1px solid var(--line);border-radius:10px;overflow:hidden;margin-top:8px}
.qty button{width:34px;height:34px;border:0;background:#f7f9fb;font-size:16px;color:var(--ink-2)}
.qty span{width:44px;text-align:center;font-weight:700}
.add-cart{
  margin-top:16px;width:100%;height:46px;border:0;border-radius:12px;color:#fff;font-size:15px;font-weight:700;
  background:linear-gradient(120deg,#0f9f61,#12b170);box-shadow:0 10px 22px rgba(15,159,97,.28)
}
.add-cart:hover{filter:brightness(1.04)}
.detail-note{margin-top:12px;font-size:12px;color:var(--muted);line-height:1.8}

/* cart drawer */
#cartModal{justify-content:flex-end;padding:0}
.drawer{
  width:min(430px,100%);height:100%;background:#fff;display:flex;flex-direction:column;
  box-shadow:-20px 0 50px rgba(16,22,30,.18);animation:slideIn .24s ease
}
@keyframes slideIn{from{transform:translateX(30px);opacity:.6}to{transform:none;opacity:1}}
.cart-list{flex:1;overflow:auto;padding:14px;display:grid;gap:10px;align-content:start}
.cart-item{
  display:grid;grid-template-columns:64px 1fr auto;gap:12px;align-items:center;
  border:1px solid var(--line);border-radius:12px;padding:10px;background:#fff
}
.cart-item img{width:64px;height:64px;border-radius:9px;object-fit:cover;background:#f3f5f8}
.cart-name{font-size:13px;font-weight:600;line-height:1.4;margin-bottom:4px}
.cart-meta{font-size:12px;color:var(--muted)}
.cart-right{display:flex;flex-direction:column;align-items:flex-end;gap:6px}
.cart-remove{border:0;background:transparent;color:var(--muted);font-size:12px;text-decoration:underline}
.cart-footer{border-top:1px solid var(--line);padding:12px 14px;display:flex;align-items:center;justify-content:space-between;gap:10px}
.cart-sum{font-size:13px;color:var(--ink-2);font-weight:600}
.cart-actions{display:flex;gap:8px}
.cart-empty{padding:50px 20px;text-align:center;color:var(--muted);font-size:13px}

/* lightbox */
#lightbox{background:rgba(8,12,16,.92);padding:0}
#lightbox img{max-width:96vw;max-height:92vh;object-fit:contain}

.toast{
  position:fixed;left:50%;top:78px;transform:translateX(-50%) translateY(-8px);
  background:rgba(28,36,48,.94);color:#fff;padding:10px 18px;border-radius:10px;font-size:13px;
  z-index:300;opacity:0;pointer-events:none;transition:.24s
}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* ---------- responsive ---------- */
@media (max-width:1000px){
  .top-search{flex:1 1 160px}
  .grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr))}
}
@media (max-width:820px){
  .nav{display:none}
  .menu-btn{display:block}
  .sidebar{
    position:fixed;left:0;top:0;bottom:0;height:100%;width:min(78vw,300px);flex-basis:auto;
    transform:translateX(-102%);transition:transform .24s ease;box-shadow:var(--shadow-lg);
    border-right:1px solid var(--line)
  }
  .sidebar.open{transform:none}
  .sidebar.hide{transform:translateX(-102%);width:min(78vw,300px);flex-basis:auto;border-right:1px solid var(--line)}
  .backdrop{display:block;position:fixed;inset:0;background:rgba(16,22,30,.42);z-index:29;opacity:0;visibility:hidden;transition:.24s}
  .backdrop.show{opacity:1;visibility:visible}
  .sidebar .side-head{padding:14px}
  .tree{padding-top:4px}
  .show-btn{display:inline-flex}
  .toolbar{top:64px}
  .shop-strip{margin:14px 14px 0;flex-direction:column;align-items:stretch;gap:16px;padding:18px}
  .shop-side{justify-content:space-between}
  .shop-side-row{flex:1}
  .grid{padding:0 14px;gap:10px}
  .content-head{margin:16px 14px 8px}
  .toolbar{margin:14px 14px 0}
  .detail{grid-template-columns:1fr;gap:16px}
  .detail-img{max-height:56vh}
}
@media (max-width:560px){
  .topbar{height:58px;padding:0 12px;gap:8px}
  .brand-text em{display:none}
  .logo{width:34px;height:34px;border-radius:10px;font-size:13px}
  .brand-text b{font-size:15px}
  .top-search{flex:1 1 auto}
  .top-search input{height:34px;padding:0 12px;font-size:12px}
  .cart-entry{height:34px;padding:0 11px;font-size:12px;gap:5px}
  .menu-btn{width:34px;height:34px}
  .layout{min-height:calc(100vh - 58px)}
  .shop-strip{padding:16px;border-radius:16px}
  .shop-main h1{font-size:17px}
  .shop-main p{font-size:12px;line-height:1.6}
  .chips{gap:6px;margin-top:12px}
  .chip{font-size:11px;padding:4px 10px}
  .shop-side-row b{font-size:17px}
  .grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:9px;padding:0 12px}
  .card{border-radius:12px}
  .card-title{font-size:12px;min-height:34px}
  .card-info{padding:8px 9px 10px;gap:5px}
  .card-tag{font-size:10px;padding:2px 6px;left:6px;top:6px}
  .card-photos{font-size:10px;padding:2px 6px;right:6px;bottom:6px}
  .price{font-size:13px}
  .toolbar{top:58px;margin:12px 12px 0;padding:8px;border-radius:12px;gap:6px}
  .toolbar .search{flex:1 1 100%;order:5}
  .toolbar select{height:32px;font-size:12px}
  .mini{height:32px;padding:0 10px;font-size:12px}
  .stat{font-size:11px}
  .content-head{margin:14px 12px 8px}
  .content-head h2{font-size:16px}
  .pager{padding:20px 12px 6px;gap:6px}
  .page-btn{min-width:30px;height:30px;font-size:12px;padding:0 8px}
  .dialog{border-radius:14px;max-height:94vh}
  .detail{padding:14px}
  .detail-title{font-size:16px}
  .add-cart{height:44px}
  .modal{padding:12px}
  #cartModal{padding:0}
}