/* 前台样式：号卡优选 */
:root{
  --blue:#2563eb;--blue-d:#1d4ed8;--red:#ef4444;--orange:#f97316;
  --text:#111827;--sub:#6b7280;--line:#eef1f5;--bg:#f5f7fb;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",Arial,sans-serif;
  background:var(--bg);color:var(--text);font-size:14px;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.wrap{max-width:1080px;margin:0 auto;padding:0 14px}

/* 顶部 */
.hd{background:linear-gradient(135deg,#2563eb,#4f46e5);color:#fff;padding:22px 0 58px;position:relative}
.hd-in{display:flex;align-items:center;justify-content:space-between;gap:12px}
.hd-logo{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:700;letter-spacing:.5px}
.hd-logo .mk{width:34px;height:34px;border-radius:10px;background:rgba(255,255,255,.2);
  display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:800}
.hd-sub{font-size:12px;opacity:.85;margin-top:2px;font-weight:400;letter-spacing:0}
.hd-links{display:flex;gap:16px;font-size:13px;opacity:.92}
.hd-links a:hover{opacity:.75}

.notice{background:#fffbeb;border:1px solid #fde68a;color:#92400e;border-radius:10px;
  padding:9px 14px;font-size:13px;margin-top:-42px;position:relative;z-index:2;
  box-shadow:0 6px 18px rgba(180,150,60,.12)}

/* 搜索 & 筛选 */
.toolbar{background:#fff;border-radius:14px;padding:14px;margin-top:16px;box-shadow:0 4px 16px rgba(20,40,80,.05)}
.search{display:flex;gap:10px}
.search input{flex:1;padding:11px 14px;border:1px solid #e3e8ef;border-radius:10px;font-size:14px;outline:none}
.search input:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(37,99,235,.1)}
.search button{padding:0 22px;border:0;border-radius:10px;background:var(--blue);color:#fff;font-size:14px;cursor:pointer}
.search button:hover{background:var(--blue-d)}
.cats{display:flex;gap:8px;overflow-x:auto;margin-top:12px;padding-bottom:2px}
.cats::-webkit-scrollbar{height:0}
.cats a{flex:0 0 auto;padding:6px 16px;border-radius:20px;background:#f3f5f9;color:#4b5563;font-size:13px}
.cats a.on{background:var(--blue);color:#fff;font-weight:600}
.provbar{display:flex;align-items:center;gap:8px;margin-top:12px;flex-wrap:wrap}
.provbar .provlabel{font-size:13px;color:var(--sub)}
.provbar select{padding:7px 12px;border:1px solid #e3e8ef;border-radius:10px;font-size:13px;background:#fff;outline:none;max-width:60%}
.provbar select:focus{border-color:var(--blue)}
.provbar button{padding:7px 16px;border:0;border-radius:10px;background:#f3f5f9;color:#374151;font-size:13px;cursor:pointer}
.provbar button:hover{background:#e8ecf3}
.pmeta{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
.m-tag{font-size:11px;padding:2px 8px;border-radius:6px;background:#eef2ff;color:#3b5bdb;white-space:nowrap}
.m-tag.prov{background:#fff4e6;color:#c2410c}

/* 商品网格 */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(258px,1fr));gap:14px;margin-top:16px}
.pcard{background:#fff;border-radius:14px;overflow:hidden;box-shadow:0 3px 14px rgba(20,40,80,.06);
  display:flex;flex-direction:column;transition:transform .18s,box-shadow .18s}
.pcard:hover{transform:translateY(-2px);box-shadow:0 10px 26px rgba(20,40,80,.12)}
.pcard-img{position:relative;background:#f0f4fa;aspect-ratio:4/3}
.pcard-img img{width:100%;height:100%;object-fit:cover}
.pcard-img .noimg{display:flex;align-items:center;justify-content:center;height:100%;color:#b6c0cf;font-size:13px}
.badge{position:absolute;top:10px;left:10px;background:var(--red);color:#fff;font-size:11px;
  padding:2px 8px;border-radius:20px;font-weight:600}
.badge.isp{left:auto;right:10px;background:rgba(17,24,39,.72)}
.pcard-body{padding:12px 14px 14px;flex:1;display:flex;flex-direction:column}
.pname{font-size:15px;font-weight:700;line-height:1.4;display:-webkit-box;-webkit-line-clamp:2;
  -webkit-box-orient:vertical;overflow:hidden;min-height:42px}
.ptag{font-size:12px;color:var(--sub);margin-top:4px;display:-webkit-box;-webkit-line-clamp:1;
  -webkit-box-orient:vertical;overflow:hidden}
.pnums{display:flex;gap:12px;margin-top:10px;padding-top:10px;border-top:1px dashed #eef1f5}
.pnums div{flex:1}
.pnums b{display:block;font-size:15px;color:#111827}
.pnums span{font-size:11px;color:var(--sub)}
.pfoot{display:flex;align-items:flex-end;justify-content:space-between;margin-top:12px}
.price{font-size:20px;font-weight:800;color:var(--red);line-height:1}
.price small{font-size:12px;font-weight:400;color:var(--sub);margin-left:3px}
.buy{background:linear-gradient(135deg,#ff6a3d,#ef4444);color:#fff;border:0;border-radius:20px;
  padding:8px 18px;font-size:13px;font-weight:600;cursor:pointer}
.buy:hover{opacity:.9}

.empty{background:#fff;border-radius:14px;padding:60px 20px;text-align:center;color:var(--sub);margin-top:16px}
.pager{display:flex;gap:8px;justify-content:center;align-items:center;margin:24px 0 8px;flex-wrap:wrap}
.pager a,.pager span{min-width:36px;height:36px;display:flex;align-items:center;justify-content:center;
  padding:0 12px;border-radius:9px;background:#fff;color:#374151;font-size:13px;box-shadow:0 2px 8px rgba(20,40,80,.05)}
.pager a.on{background:var(--blue);color:#fff;font-weight:600}
.pager .info{background:transparent;box-shadow:none;color:var(--sub)}

/* 详情页 */
.detail{background:#fff;border-radius:16px;padding:18px;margin-top:-42px;position:relative;z-index:2;
  box-shadow:0 8px 30px rgba(20,40,80,.08)}
.dbanner{display:flex;gap:16px}
.dbanner img{width:130px;height:130px;border-radius:12px;object-fit:cover;background:#f0f4fa}
.dbanner .noimg{width:130px;height:130px;border-radius:12px;background:#f0f4fa;display:flex;
  align-items:center;justify-content:center;color:#b6c0cf;font-size:12px}
.dtitle{font-size:19px;font-weight:800;line-height:1.4}
.dsub{color:var(--sub);font-size:13px;margin-top:6px}
.dprice{margin-top:12px;display:flex;align-items:baseline;gap:10px}
.dprice b{font-size:28px;color:var(--red);font-weight:800}
.dprice b small{font-size:13px;font-weight:400;color:var(--sub)}
.dprice s{color:#9ca3af;font-size:13px}

.specs{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:16px}
.spec{background:#f7f9fc;border-radius:12px;padding:12px;text-align:center}
.spec b{display:block;font-size:17px;color:#111827}
.spec span{font-size:12px;color:var(--sub)}
.meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.meta span{background:#eef2ff;color:#3730a3;font-size:12px;padding:4px 10px;border-radius:20px}

.section{margin-top:18px;background:#fff;border-radius:14px;padding:16px;box-shadow:0 4px 16px rgba(20,40,80,.05)}
.section h3{font-size:15px;margin:0 0 12px;padding-left:10px;border-left:4px solid var(--blue)}
.rich{font-size:14px;color:#374151;line-height:1.85;word-break:break-word}
.rich img{border-radius:8px;margin:8px 0}
.rich p{margin:6px 0}
.kvlist{list-style:none;padding:0;margin:0}
.kvlist li{display:flex;gap:10px;padding:8px 0;border-bottom:1px dashed var(--line);font-size:13px}
.kvlist li:last-child{border:0}
.kvlist span{color:var(--sub);flex:0 0 92px}

/* 底部悬浮办理 */
.buybar{position:fixed;left:0;right:0;bottom:0;background:#fff;border-top:1px solid var(--line);
  padding:10px 14px;display:flex;align-items:center;gap:12px;z-index:20;
  box-shadow:0 -4px 20px rgba(20,40,80,.08)}
.buybar .p{flex:1}
.buybar .p b{color:var(--red);font-size:20px;font-weight:800}
.buybar .p span{display:block;font-size:11px;color:var(--sub)}
.buybar .go{flex:0 0 150px;background:linear-gradient(135deg,#ff6a3d,#ef4444);color:#fff;
  border:0;border-radius:24px;padding:12px 0;font-size:15px;font-weight:700;cursor:pointer}
.buybar .go:hover{opacity:.92}
.bottom-space{height:74px}

.ft{color:#9ca3af;font-size:12px;text-align:center;padding:26px 14px 34px;line-height:1.8}
.ft a{color:#6b7280}

@media (max-width:640px){
  .hd{padding:18px 0 54px}
  .hd-logo{font-size:17px}
  .grid{grid-template-columns:repeat(2,1fr);gap:10px}
  .pcard-body{padding:10px}
  .pname{font-size:13px;min-height:38px}
  .price{font-size:17px}
  .buy{padding:7px 12px;font-size:12px}
  .pnums b{font-size:13px}
  .dbanner{flex-direction:column}
  .dbanner img,.dbanner .noimg{width:100%;height:180px}
  .specs{grid-template-columns:repeat(3,1fr);gap:8px}
  .spec{padding:9px 4px}
  .spec b{font-size:15px}
  .dprice b{font-size:24px}
}