:root{
    --navy:#0c2e4e; --navy2:#12406b; --blue:#185fa5; --sky:#e6f1fb;
    --ink:#1a2330; --sub:#5b6b7b; --line:#dfe6ec; --bg:#f7f9fb;
    --accent:#e24b4b; --accent-dk:#c33d3d; --card:#fff;
  }
  *{margin:0;padding:0;box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{font-family:"Microsoft YaHei","PingFang SC",sans-serif;color:var(--ink);background:var(--bg);line-height:1.7;}
  .wrap{max-width:1160px;margin:0 auto;padding:0 22px;}

  /* 顶部信息条 */
  .topbar{background:#082138;color:#9fb6ca;font-size:12.5px;}
  .topbar .wrap{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;height:36px;align-items:center;}
  .topbar a{color:#c7d8e8;text-decoration:none;}
  .topbar a:hover{color:#fff;}
  .topbar b{color:#fff;font-weight:500;}

  header{position:sticky;top:0;background:var(--navy);color:#fff;z-index:50;box-shadow:0 1px 6px rgba(0,0,0,.18);}
  .nav{display:flex;align-items:center;justify-content:space-between;height:66px;}
  .logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:#fff;}
  .logo-mark{width:38px;height:38px;border-radius:9px;background:var(--blue);display:flex;align-items:center;justify-content:center;}
  .logo-mark svg{width:24px;height:24px;}
  .logo b{font-size:20px;letter-spacing:2px;font-weight:600;}
  .logo span{font-size:11px;opacity:.72;display:block;line-height:1.1;}
  nav a{color:#dbe7f2;text-decoration:none;font-size:14px;margin-left:24px;}
  nav a:hover{color:#fff;}
  .nav-cta{background:var(--accent);color:#fff !important;padding:8px 16px;border-radius:8px;margin-left:24px;}
  .nav-cta:hover{background:var(--accent-dk);}

  /* 首屏 */
  .hero{background:linear-gradient(180deg,var(--navy) 0%,var(--navy2) 100%);color:#fff;padding:60px 0 54px;}
  .hero-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:44px;align-items:center;}
  .hero h1{font-size:36px;font-weight:600;line-height:1.32;max-width:660px;}
  .hero .sub{margin-top:16px;font-size:15.5px;color:#c7d8e8;max-width:620px;}
  .hero .btns{margin-top:26px;display:flex;gap:12px;flex-wrap:wrap;}
  .btn{display:inline-block;padding:12px 24px;border-radius:9px;text-decoration:none;font-size:14.5px;font-weight:500;}
  .btn-primary{background:var(--accent);color:#fff;border:none;cursor:pointer;font-family:inherit;}
  .btn-primary:hover{background:var(--accent-dk);}
  .btn-ghost{border:1px solid rgba(255,255,255,.45);color:#fff;}
  .btn-ghost:hover{background:rgba(255,255,255,.08);}

  /* 价格表卡片 */
  .price-card{background:#fff;color:var(--ink);border-radius:14px;padding:22px 22px 20px;box-shadow:0 12px 30px rgba(0,0,0,.22);}
  .price-card .tag{display:inline-block;background:var(--sky);color:#0c447c;font-size:11.5px;padding:3px 9px;border-radius:6px;}
  .price-card h3{font-size:17px;font-weight:600;color:var(--navy);margin-top:10px;}
  .price-card p{font-size:12.5px;color:var(--sub);margin-top:6px;line-height:1.6;}
  .price-card ul{list-style:none;margin:12px 0 14px;font-size:12.5px;color:var(--sub);}
  .price-card li{padding:3px 0 3px 18px;position:relative;}
  .price-card li::before{content:"";position:absolute;left:0;top:11px;width:7px;height:7px;border-radius:50%;background:var(--blue);opacity:.6;}
  .price-card .btn{display:block;text-align:center;background:var(--navy);color:#fff;}
  .price-card .btn:hover{background:var(--blue);}
  .price-card .note{font-size:11.5px;color:#9aa9b8;margin-top:8px;text-align:center;}

  /* 数据条 */
  .stats{background:#0a2b47;border-top:1px solid rgba(255,255,255,.08);}
  .stats .wrap{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:0;padding:0;}
  .stat{padding:20px 18px;border-right:1px solid rgba(255,255,255,.08);}
  .stat:last-child{border-right:none;}
  .stat b{display:block;color:#fff;font-size:20px;font-weight:600;}
  .stat span{color:#9fb6ca;font-size:12.5px;}

  section{padding:58px 0;}
  section.stats{padding:0;}
  .sec-head{margin-bottom:26px;display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap;}
  .sec-head h2{font-size:25px;font-weight:600;color:var(--navy);}
  .sec-head h2 i{font-style:normal;color:var(--blue);font-size:13px;font-weight:400;margin-left:10px;letter-spacing:1px;}
  .sec-head p{color:var(--sub);font-size:13.5px;}
  .sec-head .bar{width:40px;height:3px;background:var(--accent);border-radius:2px;margin-bottom:12px;}

  /* 品类卡片 */
  #products{background:linear-gradient(180deg,#f2f6fa 0%,#fafcfe 100%);}
  .cat-list{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
  .cat-row{position:relative;display:grid;grid-template-columns:64px 1fr auto;gap:16px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px;text-decoration:none;color:inherit;overflow:hidden;transition:transform .18s,box-shadow .18s,border-color .18s;}
  .cat-row::before{content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--c,#185fa5);}
  .cat-row:hover{transform:translateY(-3px);box-shadow:0 12px 30px rgba(23,58,94,.12);border-color:var(--c,#185fa5);}
  .cat-num{position:absolute;right:16px;top:6px;font-size:48px;font-weight:700;font-family:Georgia,serif;color:var(--c,#185fa5);opacity:.07;line-height:1;pointer-events:none;}
  .cat-ic{width:64px;height:64px;border-radius:14px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--cbg,#e8f3fb),#fff);box-shadow:inset 0 0 0 1px rgba(23,58,94,.07);}
  .cat-ic svg{width:38px;height:38px;}
  .cat-row>div{min-width:0;}
  .cat-row h3{font-size:17px;font-weight:600;color:var(--navy);}
  .cat-row .chips{display:flex;gap:7px;flex-wrap:wrap;margin:8px 0 7px;}
  .cat-row .chips span{font-size:12px;color:var(--c,#185fa5);background:var(--cbg,#e8f3fb);border-radius:999px;padding:3px 10px;font-weight:500;}
  .cat-row p{font-size:13px;color:var(--sub);line-height:1.6;}
  .cat-row .go{font-size:13px;font-weight:600;color:var(--c,#185fa5);background:var(--cbg,#e8f3fb);padding:9px 16px;border-radius:999px;white-space:nowrap;transition:background .18s,color .18s;}
  .cat-row:hover .go{background:var(--c,#185fa5);color:#fff;}
  /* 规格表 */
  table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;}
  thead th{background:#eef3f8;color:#3f5a70;font-size:12.5px;font-weight:500;text-align:left;padding:12px 14px;white-space:nowrap;}
  tbody td{padding:12px 14px;font-size:13px;border-top:1px solid var(--line);color:var(--ink);}
  tbody td:first-child{font-weight:500;color:var(--navy);}
  tbody tr:hover{background:#f8fbfd;}
  .tbl-note{font-size:12.5px;color:var(--sub);margin-top:10px;}

  /* 特性 */
  .adv{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
  .adv-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:26px;}
  .adv-item h3{font-size:15px;font-weight:600;color:var(--navy);margin-bottom:5px;}
  .adv-item p{font-size:13px;color:var(--sub);}
  .adv-item .num{font-size:22px;color:var(--accent);font-weight:600;margin-bottom:6px;}

  /* 资质 */
  .trust-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;}
  .t-card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px;}
  .t-card .lb{font-size:11.5px;letter-spacing:1px;color:#9aa9b8;text-transform:uppercase;}
  .t-card h3{font-size:15px;font-weight:600;color:var(--navy);margin:6px 0 6px;}
  .t-card p{font-size:12.5px;color:var(--sub);line-height:1.65;}
  .t-card .ph{display:inline-block;margin-top:10px;font-size:11.5px;color:#854f0b;background:#faeeda;border-radius:5px;padding:2px 8px;}
  .t-card.hl{background:var(--navy);border-color:var(--navy);color:#fff;}
  .t-card.hl h3{color:#fff;}
  .t-card.hl p{color:#c7d8e8;}
  .t-card.hl .lb{color:#7f9db8;}

  /* 验厂 */
  .factory{display:grid;grid-template-columns:2fr 1fr 1fr;grid-template-rows:150px 150px;gap:12px;}
  .ph-box{background:repeating-linear-gradient(45deg,#eef2f6,#eef2f6 12px,#e6ebf1 12px,#e6ebf1 24px);border:1px solid var(--line);border-radius:10px;display:flex;align-items:center;justify-content:center;color:#8f9fae;font-size:12.5px;text-align:center;padding:10px;}
  .ph-box:first-child{grid-row:span 2;}
  .ph-box.video{grid-column:span 2;background:repeating-linear-gradient(45deg,#e9eef3,#e9eef3 12px,#dfe6ec 12px,#dfe6ec 24px);color:#6b8098;}

  /* 合作条款 */
  .terms{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:0;background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;}
  .term{padding:20px 22px;border-right:1px solid var(--line);}
  .term:last-child{border-right:none;}
  .term .k{font-size:12px;color:#9aa9b8;margin-bottom:4px;}
  .term .v{font-size:15px;font-weight:600;color:var(--navy);}
  .term .d{font-size:12px;color:var(--sub);margin-top:4px;}

  /* 关于 */
  .about{display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:center;}
  .about h2{font-size:24px;font-weight:600;color:var(--navy);margin-bottom:14px;}
  .about p{color:var(--sub);font-size:14px;margin-bottom:12px;}
  .about p b{color:var(--ink);}
  .about-card{background:var(--sky);border-radius:14px;padding:30px;text-align:center;}
  .about-card .cn{font-size:22px;color:var(--navy);font-weight:600;letter-spacing:5px;}
  .about-card .ru{font-size:13px;color:var(--sub);margin-top:10px;line-height:1.8;}

  /* 联系 */
  .contact{background:#fff;border-top:1px solid var(--line);}
  .contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px;}
  .contact h2{font-size:24px;font-weight:600;color:var(--navy);margin-bottom:8px;}
  .contact .lead{color:var(--sub);font-size:13.5px;margin-bottom:20px;}
  .c-item{margin-bottom:14px;font-size:14px;}
  .c-item b{color:var(--navy);}
  .tg-btn{display:inline-flex;align-items:center;gap:8px;background:#229ED9;color:#fff;padding:11px 20px;border-radius:9px;text-decoration:none;font-size:14px;font-weight:500;margin-top:6px;}
  .dl-btn{display:inline-flex;align-items:center;gap:8px;background:var(--navy);color:#fff;padding:11px 20px;border-radius:9px;text-decoration:none;font-size:14px;margin-top:6px;margin-left:8px;}
  form{display:flex;flex-direction:column;gap:12px;background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:22px;}
  input,select,textarea{padding:11px 13px;border:1px solid var(--line);border-radius:9px;font-size:13.5px;font-family:inherit;background:#fff;color:var(--ink);}
  input:focus,select:focus,textarea:focus{outline:none;border-color:var(--blue);}
  textarea{min-height:96px;resize:vertical;}
  .form-note{font-size:11.5px;color:var(--sub);}
  #sent{display:none;background:#eaf3de;border:1px solid #97c459;color:#3b6d11;border-radius:9px;padding:11px 13px;font-size:13.5px;}

  footer{background:var(--navy);color:#8fa6ba;padding:28px 0;font-size:12.5px;}
  .foot{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;}
  footer b{color:#dbe7f2;font-weight:500;}

  .tg-float{position:fixed;right:22px;bottom:22px;z-index:60;}
  .tg-float a{display:flex;align-items:center;justify-content:center;width:56px;height:56px;border-radius:50%;background:#229ED9;box-shadow:0 4px 14px rgba(34,158,217,.4);}
  .tg-float svg{width:28px;height:28px;fill:#fff;}

  .tip{position:fixed;left:20px;bottom:22px;z-index:60;background:#854f0b;color:#fff;font-size:12px;padding:8px 14px;border-radius:8px;opacity:.9;}

  @media(max-width:900px){
    .hero-grid{grid-template-columns:1fr;gap:26px;}
    .hero h1{font-size:27px;}
    .cat-list{grid-template-columns:1fr;}
    .cat-row{grid-template-columns:1fr auto;gap:14px;padding:16px;}
    .cat-row .go{padding:6px 12px;font-size:12px;}
    .cat-num{font-size:34px;}
    .cat-ic{display:none;}
    .factory{grid-template-columns:1fr;grid-template-rows:auto;}
    .ph-box{height:120px;}
    .ph-box:first-child,.ph-box.video{grid-row:auto;grid-column:auto;}
    .about,.contact-grid{grid-template-columns:1fr;}
    .term{border-right:none;border-bottom:1px solid var(--line);}
    nav a{display:none;}
    nav .nav-cta{display:inline-block;}
  }

  /* 详情页 */
  #dv{display:none;}
  .dv-grid{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:start;}
  .dv-main{height:400px;border-radius:14px;background:repeating-linear-gradient(45deg,#eef2f6,#eef2f6 12px,#e6ebf1 12px,#e6ebf1 24px);display:flex;align-items:center;justify-content:center;color:#9aa9b8;font-size:13px;overflow:hidden;}
  .dv-main img{width:100%;height:100%;object-fit:contain;background:#fff;}
  .dv-thumbs{display:flex;gap:10px;margin-top:12px;flex-wrap:wrap;}
  .dv-thumbs img{width:74px;height:74px;object-fit:cover;border-radius:8px;border:1px solid #dfe6ec;cursor:pointer;background:#fff;}
  .dv-thumbs img.on{border-color:#185fa5;box-shadow:0 0 0 2px rgba(24,95,165,.18);}
  .dv-sku{font-size:12.5px;color:#9aa9b8;letter-spacing:.4px;}
  #dv-name{font-size:26px;font-weight:600;color:#0c2e4e;margin:8px 0 4px;line-height:1.3;}
  .dv-name2{font-size:14px;color:#5b6b7b;margin-bottom:18px;}
  .dv-specs{border-top:1px solid #eef2f6;}
  .dv-row{display:flex;font-size:13.5px;padding:11px 0;border-bottom:1px solid #eef2f6;color:#0c2e4e;}
  .dv-row b{width:96px;flex:none;color:#5b6b7b;font-weight:400;}
  .dv-price{font-size:25px;color:#e24b4b;font-weight:600;margin:20px 0 4px;}
  .dv-price small{font-size:12.5px;color:#9aa9b8;font-weight:400;margin-left:10px;}
  .dv-cta{display:flex;gap:12px;margin-top:16px;flex-wrap:wrap;}
  .dv-tg{background:#229ED9;color:#fff;padding:12px 24px;border-radius:10px;text-decoration:none;font-weight:500;font-size:14px;}
  .dv-inq{border:1px solid #185fa5;color:#185fa5;padding:11px 24px;border-radius:10px;text-decoration:none;font-size:14px;}
  .dv-body{margin-top:44px;background:#fff;border:1px solid #dfe6ec;border-radius:14px;padding:26px 28px;}
  .dv-body h2{font-size:17px;color:#0c2e4e;margin-bottom:10px;}
  .dv-body p{font-size:14px;color:#3f4a56;line-height:1.95;}
  .dv-rel{margin-top:44px;}
  .dv-rel h2{font-size:18px;color:#0c2e4e;margin-bottom:16px;}
  .p-img img{width:100%;height:100%;object-fit:cover;}
  @media(max-width:900px){
    .dv-grid{grid-template-columns:1fr;gap:24px;}
    .dv-main{height:290px;}
    #dv-name{font-size:21px;}
    .dv-body{padding:20px 18px;margin-top:28px;}
    .dv-rel{margin-top:30px;}
  }


  .lv-toolbar{padding:20px 0 0;}
  .lv-back{font-size:13px;color:#185fa5;text-decoration:none;}
  .lv-head h1{font-size:26px;font-weight:600;color:#0c2e4e;}
  .lv-count{font-size:13px;color:#5b6b7b;}
  .lv-desc{font-size:13.5px;color:#5b6b7b;margin-bottom:14px;}
  .chips{display:flex;gap:8px;flex-wrap:wrap;}
  .lv-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px;}
  .p-card{background:#fff;border:1px solid #dfe6ec;border-radius:12px;overflow:hidden;cursor:pointer;transition:transform .15s,box-shadow .15s;}
  .p-card:hover{transform:translateY(-3px);box-shadow:0 8px 20px rgba(12,46,78,.12);}
  .p-img{aspect-ratio:1/1;background:repeating-linear-gradient(45deg,#eef2f6,#eef2f6 12px,#e6ebf1 12px,#e6ebf1 24px);display:flex;align-items:center;justify-content:center;color:#9aa9b8;font-size:12.5px;overflow:hidden;}
  .p-img img{width:100%;height:100%;object-fit:cover;}
  .p-body{padding:12px 14px 14px;}
  .p-body h3{font-size:14px;font-weight:600;color:#1a2330;line-height:1.4;}
  .p-body .ps{font-size:12px;color:#5b6b7b;margin-top:4px;}
  .p-body .pp{margin-top:8px;font-size:13px;color:#e24b4b;font-weight:500;}
  .lv-moq{background:#e6f1fb;border-radius:10px;padding:12px 16px;font-size:13px;color:#0c447c;margin:22px 0 0;}


  a.p-card{display:block;text-decoration:none;color:inherit;}
  .cat-row>span{min-width:0;}
  .chips a{font-size:12.5px;color:#185fa5;background:#e8f3fb;border-radius:999px;padding:6px 14px;text-decoration:none;white-space:nowrap;}
  .crumb{font-size:12.5px;color:#7b8b9a;padding:18px 0 0;}
  .crumb a{color:#185fa5;text-decoration:none;}
  .crumb span{color:#9aa9b8;}
  .pg-head{padding:26px 0 0;}
  .pg-head h1{font-size:29px;line-height:1.35;font-weight:600;color:#0c2e4e;}
  .pg-head .lead{font-size:14.5px;color:#5b6b7b;margin-top:10px;max-width:760px;}
  .prose{max-width:840px;font-size:14.5px;line-height:1.9;color:#33414f;}
  .prose h2{font-size:19px;font-weight:600;color:#0c2e4e;margin:28px 0 10px;}
  .prose h3{font-size:15.5px;font-weight:600;color:#1a2330;margin:18px 0 6px;}
  .prose p{margin:0 0 12px;}
  .prose ul{margin:0 0 14px 20px;}
  .prose li{margin-bottom:6px;}
  .dv-grid{display:grid;grid-template-columns:1fr 1fr;gap:34px;align-items:start;}
  .gal-main{background:#fff;border:1px solid #dfe6ec;border-radius:14px;overflow:hidden;height:380px;display:flex;align-items:center;justify-content:center;color:#9aa9b8;font-size:13px;}
  .gal-main img{width:100%;height:100%;object-fit:contain;}
  .gal-thumbs{display:flex;gap:9px;margin-top:10px;flex-wrap:wrap;}
  .gal-thumbs button{width:66px;height:66px;border:1px solid #dfe6ec;border-radius:9px;overflow:hidden;background:#fff;padding:0;cursor:pointer;}
  .gal-thumbs button.on{border-color:#185fa5;}
  .gal-thumbs img{width:100%;height:100%;object-fit:cover;}
  .dv-sku{font-size:12.5px;color:#9aa9b8;letter-spacing:.3px;}
  .dv-name{font-size:25px;font-weight:600;color:#0c2e4e;line-height:1.35;margin:4px 0 2px;}
  .dv-name2{font-size:13px;color:#7b8b9a;margin-bottom:16px;}
  .kv{border-top:1px solid #e7edf2;}
  .kv .row{display:flex;gap:12px;padding:11px 0;border-bottom:1px solid #e7edf2;font-size:13.5px;}
  .kv .row b{width:150px;flex:none;color:#5b6b7b;font-weight:400;}
  .price-box{margin:18px 0 6px;padding:14px 16px;background:#fdf3f3;border-radius:11px;font-size:19px;font-weight:600;color:#e24b4b;}
  .price-box small{display:block;font-size:12.5px;font-weight:400;color:#8a6b6b;margin-top:3px;}
  .cta-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:16px;}
  .cta-row a,.cta-row button{display:inline-flex;align-items:center;gap:8px;padding:12px 22px;border-radius:10px;font-size:14px;text-decoration:none;border:none;cursor:pointer;font-family:inherit;}
  .cta-tg{background:#229ED9;color:#fff;}
  .cta-mail{background:#0c2e4e;color:#fff;}
  .cta-line{background:#fff;color:#0c2e4e;border:1px solid #dfe6ec!important;}
  .cat-block{margin-bottom:44px;}
  .cat-block h2{font-size:20px;font-weight:600;color:#0c2e4e;margin-bottom:4px;}
  .cat-block .cb-desc{font-size:13.5px;color:#5b6b7b;margin-bottom:14px;}
  .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;max-width:680px;}
  .form-grid label{display:block;font-size:12.5px;color:#5b6b7b;margin-bottom:5px;}
  .form-grid input,.form-grid textarea{width:100%;padding:10px 12px;border:1px solid #dfe6ec;border-radius:9px;font-size:14px;font-family:inherit;background:#fff;}
  .form-grid .full{grid-column:1/-1;}
  .form-note{font-size:12px;color:#8b9aa8;margin-top:10px;}
  .info-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;margin:20px 0;}
  .info-cards .ic{background:#fff;border:1px solid #dfe6ec;border-radius:12px;padding:16px 18px;font-size:13.5px;color:#33414f;}
  .info-cards .ic b{display:block;font-size:12.5px;color:#7b8b9a;font-weight:400;margin-bottom:5px;}
  @media(max-width:820px){
    .dv-grid{grid-template-columns:1fr;gap:22px;}
    .gal-main{height:260px;}
    .pg-head h1{font-size:23px;}
    .form-grid{grid-template-columns:1fr;}
  }
  /* 按规格报价 */
  .pr-box{background:#fff;border:1px solid #dfe6ec;border-radius:16px;padding:20px 20px 18px;margin:14px 0 0;box-shadow:0 2px 10px rgba(12,46,78,.04);}
  .pr-head{display:flex;align-items:baseline;justify-content:space-between;gap:10px;margin-bottom:14px;}
  .pr-head h2{font-size:16px;font-weight:600;color:#0c2e4e;}
  .pr-head span{font-size:12px;color:#8b9aa8;}
  /* 版式一：竖列点选 */
  .pr-list{display:flex;flex-direction:column;gap:8px;}
  .pr-op{display:flex;align-items:center;gap:12px;padding:12px 14px;border:1.5px solid #dfe6ec;border-radius:11px;cursor:pointer;transition:border-color .15s,background .15s;background:#fff;}
  .pr-op:hover{border-color:#b9cede;background:#fafcfe;}
  .pr-op.on{border-color:#185fa5;background:#f4f9fe;box-shadow:0 0 0 3px rgba(24,95,165,.10);}
  .pr-op .dot{width:16px;height:16px;border-radius:50%;border:1.5px solid #c3d0da;flex:0 0 auto;position:relative;}
  .pr-op.on .dot{border-color:#185fa5;}
  .pr-op.on .dot::after{content:"";position:absolute;inset:3.5px;border-radius:50%;background:#185fa5;}
  .pr-op .sz{font-size:14.5px;font-weight:600;color:#1a2330;flex:1 1 auto;}
  .pr-op .pu{font-size:16px;font-weight:600;color:#c0392b;white-space:nowrap;}
  .pr-op .pu small{font-size:11.5px;font-weight:400;color:#9aa9b8;margin-left:2px;}
  /* 版式二：紧凑表格 */
  .pr-tbl{width:100%;border-collapse:collapse;font-size:13.5px;}
  .pr-tbl th{text-align:left;font-weight:500;color:#7b8b9a;font-size:12px;padding:8px 10px;background:#f5f8fb;border-bottom:1px solid #e4ebf1;}
  .pr-tbl td{padding:10px;border-bottom:1px solid #eef3f7;color:#33414f;}
  .pr-tbl tbody tr{cursor:pointer;}
  .pr-tbl tbody tr:hover td{background:#fafcfe;}
  .pr-tbl tr.on td{background:#f4f9fe;}
  .pr-tbl td.sz{font-weight:600;color:#1a2330;}
  .pr-tbl td.pu{color:#c0392b;font-weight:600;}
  /* 共用底部 */
  .pr-foot{margin-top:16px;padding-top:16px;border-top:1px dashed #e4ebf1;}
  .qty-row{display:flex;align-items:center;gap:10px;margin-bottom:12px;flex-wrap:wrap;}
  .qty-row label{font-size:12.5px;color:#7b8b9a;flex:0 0 auto;}
  .qty-row input{width:130px;padding:9px 11px;border:1px solid #dfe6ec;border-radius:9px;font-size:14px;font-family:inherit;background:#fff;}
  .qty-row .moq{font-size:11.5px;color:#9aa9b8;}
  .total{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:14px;}
  .total .t-l{font-size:13px;color:#7b8b9a;}
  .total .t-v{font-size:22px;font-weight:700;color:#c0392b;letter-spacing:-.3px;}
  .total .t-v small{font-size:12.5px;font-weight:400;color:#9aa9b8;margin-left:3px;}
  .pr-box .cta{display:block;text-align:center;text-decoration:none;background:#229ED9;color:#fff;padding:13px 20px;border-radius:11px;font-size:14.5px;font-weight:500;transition:background .15s;}
  .pr-box .cta:hover{background:#1b87bd;}
  .cta-sub{display:block;text-align:center;font-size:12px;color:#8b9aa8;margin-top:9px;}
  @media(max-width:620px){.pr-box{padding:16px 15px 15px;}.qty-row input{width:100%;}}