/* ============================================================
   Alinket Product Selector — 左栏多重筛选
   tokens: blue #0a6cff / navy #0a2a66 / ink #1f2a37 / line #e7edf3
   ============================================================ */
.alk-ps, .alk-ps *{box-sizing:border-box;}
.alk-ps{
  max-width:1280px;margin:0 auto;padding:76px 20px 72px;
  font-family:OpenSans,"Segoe UI",Arial,"Microsoft YaHei",sans-serif;color:#1f2a37;
}
.alk-ps a{text-decoration:none;}

/* ---------- breadcrumb + hero ---------- */
.ps-crumb{font-size:13px;color:#8a97a6;margin:14px 0 6px;}
.ps-crumb a{color:#0a6cff;}
.ps-crumb .sep{margin:0 6px;color:#c3cdd8;}

.ps-hero{border-bottom:1px solid #e7edf3;padding-bottom:20px;margin-bottom:22px;}
.ps-hero h1{font-size:32px;line-height:1.2;color:#0a2a66;margin:0 0 8px;font-weight:700;}
.ps-hero p{margin:0 0 18px;color:#5b6b7e;font-size:15px;line-height:1.65;max-width:820px;}
.ps-searchrow{display:flex;gap:10px;max-width:620px;}
.ps-searchrow input{
  flex:1;padding:12px 14px;border:1px solid #d4dde7;border-radius:10px;font-size:14px;
  font-family:inherit;color:#1f2a37;background:#fff;transition:border-color .15s,box-shadow .15s;
}
.ps-searchrow input:focus{outline:none;border-color:#0a6cff;box-shadow:0 0 0 3px rgba(10,108,255,.12);}
.ps-searchrow button{
  padding:12px 22px;background:#0a6cff;color:#fff;border:none;border-radius:10px;
  font-size:14px;font-weight:700;cursor:pointer;font-family:inherit;transition:background .15s;
}
.ps-searchrow button:hover{background:#0958d6;}
.ps-suggest{margin-top:10px;font-size:12.5px;color:#8a97a6;}
.ps-suggest a{color:#0a6cff;margin-right:12px;white-space:nowrap;}

/* ---------- layout ---------- */
.ps-layout{display:flex;gap:26px;align-items:flex-start;}

/* ---------- sidebar ---------- */
.ps-side{
  flex:0 0 274px;width:274px;background:#fff;border:1px solid #e7edf3;border-radius:14px;
  position:sticky;top:84px;max-height:calc(100vh - 104px);overflow-y:auto;
  scrollbar-width:thin;
}
.ps-side::-webkit-scrollbar{width:8px;}
.ps-side::-webkit-scrollbar-thumb{background:#dbe4ee;border-radius:8px;}

.ps-side-top{
  position:sticky;top:0;z-index:3;background:#fff;border-bottom:1px solid #e7edf3;
  padding:14px 16px;display:flex;align-items:center;justify-content:space-between;border-radius:14px 14px 0 0;
}
.ps-side-top b{font-size:15px;color:#0a2a66;}
.ps-side-top button{
  background:none;border:none;color:#0a6cff;font-size:12.5px;cursor:pointer;
  font-family:inherit;padding:4px 2px;border-radius:6px;
}
.ps-side-top button:hover{text-decoration:underline;}
.ps-side-top button[disabled]{color:#b9c4d0;cursor:default;text-decoration:none;}

.ps-block{padding:14px 16px;border-bottom:1px solid #f0f4f9;}
.ps-block:last-child{border-bottom:none;}
.ps-block h4{
  margin:0 0 10px;font-size:13px;font-weight:700;color:#0a2a66;letter-spacing:.02em;
  display:flex;align-items:center;justify-content:space-between;cursor:pointer;
}
.ps-block h4 .ps-caret{
  font-size:10px;color:#98a6b5;transition:transform .2s;transform:rotate(90deg);
}
.ps-block.ps-collapsed h4 .ps-caret{transform:rotate(0deg);}
.ps-block.ps-collapsed .ps-optwrap{display:none;}
.ps-block .ps-sub{font-size:11.5px;color:#9aa7b6;margin:-6px 0 8px;font-weight:400;}

/* 分类树 */
.ps-cat-parent{margin:2px 0 3px;}
.ps-cat-parent .txt{font-weight:700;color:#0a2a66;}
.ps-cat-child{margin-left:9px;border-left:1px solid #eef3f8;padding-left:8px;}

/* 选项 */
.ps-optwrap{display:flex;flex-direction:column;gap:1px;}
.ps-opt{display:flex;align-items:flex-start;gap:8px;padding:5px 6px;border-radius:7px;cursor:pointer;font-size:13px;line-height:1.45;}
.ps-opt:hover{background:#f4f8ff;}
.ps-opt input{margin:2px 0 0;flex:0 0 auto;width:15px;height:15px;accent-color:#0a6cff;cursor:pointer;}
.ps-opt .txt{flex:1;color:#33424f;}
.ps-opt .n{color:#9aa7b6;font-size:11.5px;font-variant-numeric:tabular-nums;padding-top:1px;}
.ps-opt.ps-on{background:#eef5ff;}
.ps-opt.ps-on .txt{color:#0a2a66;font-weight:600;}
.ps-opt.ps-off{opacity:.42;}
.ps-opt.ps-off input{cursor:default;}
.ps-cat-child .ps-opt .txt{padding-left:1px;}
.ps-more{
  margin:6px 0 0 4px;background:none;border:none;color:#0a6cff;font-size:12px;cursor:pointer;
  font-family:inherit;padding:2px 0;
}
.ps-more:hover{text-decoration:underline;}
.ps-hide{display:none !important;}

/* ---------- main ---------- */
.ps-main{flex:1;min-width:0;}

.ps-toolbar{
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  background:#f4f8ff;border:1px solid #e2ecfb;border-radius:12px;padding:11px 14px;margin-bottom:14px;
}
.ps-count{font-size:13.5px;color:#5b6b7e;}
.ps-count b{color:#0a2a66;font-size:16px;}
.ps-spacer{flex:1;}
.ps-toolbar label{font-size:12.5px;color:#7a8794;margin-right:-8px;}
.ps-toolbar select{
  padding:7px 10px;border:1px solid #d4dde7;border-radius:8px;font-size:13px;font-family:inherit;
  color:#1f2a37;background:#fff;cursor:pointer;
}
.ps-toolbar select:focus{outline:none;border-color:#0a6cff;}
.ps-filtertoggle{
  display:none;align-items:center;gap:6px;background:#0a6cff;color:#fff;border:none;
  border-radius:9px;padding:9px 14px;font-size:13.5px;font-weight:700;font-family:inherit;cursor:pointer;
}
.ps-badge{
  background:rgba(255,255,255,.28);border-radius:20px;min-width:19px;height:19px;line-height:19px;
  font-size:11px;text-align:center;padding:0 5px;
}

/* 已选标签 */
.ps-chips{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:0 0 16px;min-height:0;}
.ps-chips .lead{font-size:12.5px;color:#8a97a6;}
.ps-chip{
  display:inline-flex;align-items:center;gap:7px;background:#eef5ff;border:1px solid #cfe2ff;
  color:#0a2a66;border-radius:20px;padding:5px 8px 5px 12px;font-size:12.5px;line-height:1.2;
}
.ps-chip b{font-weight:600;}
.ps-chip i{color:#7fa6d8;font-style:normal;}
.ps-chip button{
  border:none;background:#fff;color:#5b6b7e;width:17px;height:17px;border-radius:50%;
  cursor:pointer;font-size:11px;line-height:1;display:flex;align-items:center;justify-content:center;
  font-family:inherit;padding:0;
}
.ps-chip button:hover{background:#0a6cff;color:#fff;}
.ps-chip.ps-chipclear{background:#fff;border-color:#d4dde7;color:#5b6b7e;cursor:pointer;font-family:inherit;}
.ps-chip.ps-chipclear:hover{border-color:#0a6cff;color:#0a6cff;}

/* 产品网格 */
.ps-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(258px,1fr));gap:18px;}
.ps-card{
  background:#fff;border:1px solid #e7edf3;border-radius:13px;overflow:hidden;
  display:flex;flex-direction:column;transition:box-shadow .18s,border-color .18s,transform .18s;
}
.ps-card:hover{box-shadow:0 10px 26px rgba(16,54,103,.11);border-color:#c8dcf8;transform:translateY(-2px);}
.ps-card-img{
  display:block;height:172px;background:#fbfdff;border-bottom:1px solid #f0f4f9;
  display:flex;align-items:center;justify-content:center;padding:12px;
}
.ps-card-img img{max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain;}
.ps-card-body{padding:13px 14px 15px;display:flex;flex-direction:column;flex:1;}
.ps-card-cat{font-size:11px;color:#8a97a6;text-transform:uppercase;letter-spacing:.05em;margin-bottom:5px;}
.ps-card h3{margin:0 0 9px;font-size:14.5px;line-height:1.4;font-weight:700;}
.ps-card h3 a{color:#0a2a66;}
.ps-card h3 a:hover{color:#0a6cff;}
.ps-badges{display:flex;flex-wrap:wrap;gap:5px;margin-bottom:10px;}
.ps-badges span{
  font-size:11px;line-height:1;padding:4px 7px;border-radius:5px;
  background:#f1f6fd;color:#3d6fa8;border:1px solid #e0ecf9;white-space:nowrap;
}
.ps-badges span.hl{background:#eaf7ee;color:#1d7a3e;border-color:#cdeed8;}
.ps-specs{margin:0;font-size:12.5px;line-height:1.5;flex:1;}
.ps-specs .r{display:flex;gap:8px;padding:3px 0;border-top:1px dashed #f0f4f9;}
.ps-specs .r:first-child{border-top:none;}
.ps-specs dt{flex:0 0 74px;color:#93a1b0;margin:0;}
.ps-specs dd{margin:0;color:#33424f;flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.ps-card-foot{
  margin-top:12px;padding-top:11px;border-top:1px solid #f0f4f9;display:flex;
  align-items:center;justify-content:space-between;gap:8px;
}
.ps-card-foot a.ps-moreinfo{font-size:12.5px;font-weight:700;color:#0a6cff;}
.ps-card-foot a.ps-moreinfo:hover{text-decoration:underline;}
.ps-card-foot a.ps-q{font-size:12px;color:#7a8794;border:1px solid #e0e7ef;border-radius:7px;padding:5px 9px;}
.ps-card-foot a.ps-q:hover{border-color:#0a6cff;color:#0a6cff;}

/* 空态 / 分页 */
.ps-empty{
  display:none;text-align:center;padding:56px 20px;color:#5b6b7e;background:#fbfdff;
  border:1px dashed #d8e3ef;border-radius:13px;font-size:14.5px;
}
.ps-empty b{display:block;color:#0a2a66;font-size:17px;margin-bottom:8px;}
.ps-empty a{color:#0a6cff;font-weight:600;}
.ps-foot{margin-top:26px;display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;}
.ps-shown{font-size:12.5px;color:#8a97a6;}
.ps-pager{display:flex;gap:6px;align-items:center;}
.ps-pager button, .ps-pager span.cur{
  min-width:34px;height:34px;border-radius:8px;border:1px solid #d4dde7;background:#fff;
  font-size:13px;color:#33424f;cursor:pointer;font-family:inherit;padding:0 9px;
}
.ps-pager button:hover:not([disabled]){border-color:#0a6cff;color:#0a6cff;}
.ps-pager button[disabled]{opacity:.4;cursor:default;}
.ps-pager span.cur{background:#0a6cff;border-color:#0a6cff;color:#fff;font-weight:700;display:inline-flex;align-items:center;justify-content:center;}
.ps-pager .gap{color:#b9c4d0;padding:0 2px;}

/* 移动端筛选抽屉 */
.ps-mask{
  display:none;position:fixed;inset:0;background:rgba(12,32,60,.45);z-index:998;
}
.ps-mask.ps-open{display:block;}

@media (max-width:1023px){
  .alk-ps{padding:60px 14px 56px;}
  .ps-hero h1{font-size:25px;}
  .ps-layout{display:block;}
  .ps-filtertoggle{display:inline-flex;}
  .ps-side{
    position:fixed;left:0;top:0;bottom:0;width:300px;max-height:none;z-index:999;
    border-radius:0;border:none;box-shadow:0 0 40px rgba(10,40,80,.22);
    transform:translateX(-104%);transition:transform .22s ease;
  }
  .ps-side.ps-open{transform:translateX(0);}
  .ps-grid{grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px;}
}
@media (max-width:520px){
  .ps-searchrow{flex-direction:column;}
  .ps-grid{grid-template-columns:1fr 1fr;gap:12px;}
  .ps-card-img{height:132px;padding:8px;}
  .ps-card h3{font-size:13.5px;}
  .ps-specs{display:none;}
  .ps-toolbar{gap:10px;}
}