:root{
  --primary:#0891b2; --primary-d:#0e7490; --primary-l:#cffafe;
  --accent:#2563eb; --ink:#0f172a; --sub:#475569; --muted:#94a3b8;
  --bg:#f8fafc; --card:#ffffff; --line:#e2e8f0; --ok:#16a34a; --warn:#d97706; --danger:#dc2626;
  --shadow:0 1px 3px rgba(15,23,42,.08),0 8px 24px rgba(15,23,42,.06);
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  background:var(--bg);color:var(--ink);line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}

/* Header */
header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;height:62px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;color:var(--primary-d);text-decoration:none}
.logo .word{color:var(--primary-d)}
.logo .mark{width:30px;height:30px;display:block;flex-shrink:0;overflow:hidden}
.logo .mark svg{width:100%;height:100%;display:block}
.nav-links{display:flex;gap:24px;font-size:15px;color:var(--sub)}
.nav-links a:hover{color:var(--primary)}
.nav-cta{background:var(--primary);color:#fff;padding:8px 16px;border-radius:9px;font-size:14px;font-weight:600}
.nav-cta:hover{background:var(--primary-d)}
@media(max-width:760px){.nav-links{display:none}}

/* Search box (shared) */
.search{display:flex;background:#fff;border-radius:14px;overflow:hidden;box-shadow:0 10px 30px rgba(0,0,0,.12);
  border:1px solid var(--line)}
.search input{flex:1;border:0;padding:15px 18px;font-size:15px;outline:none;color:var(--ink)}
.search button{background:var(--primary);color:#fff;border:0;padding:0 26px;font-size:15px;font-weight:600;cursor:pointer}
.search button:hover{background:var(--primary-d)}

/* ---------- 首页：纯搜索（浅色科技风） ---------- */
.home{position:relative;min-height:calc(100vh - 62px);display:flex;align-items:center;justify-content:center;
  background:
    radial-gradient(1100px 560px at 50% -12%, #e0f2fe 0%, rgba(224,242,254,0) 60%),
    linear-gradient(180deg,#f8fafc 0%,#f0f9ff 100%);
  padding:24px;overflow:hidden}
.home-deco{position:absolute;inset:0;z-index:0;pointer-events:none}
.home-inner{position:relative;z-index:1;width:100%;max-width:760px;display:flex;flex-direction:column;align-items:center;text-align:center}
.brand-block{margin-bottom:30px}
.logo-lg{display:flex;align-items:center;gap:16px;justify-content:center}
.logo-lg .mark{width:62px;height:62px;display:block;flex-shrink:0;overflow:hidden;
  filter:drop-shadow(0 6px 14px rgba(8,145,178,.32))}
.logo-lg .mark svg{width:100%;height:100%;display:block}
.logo-lg .txt{font-size:46px;font-weight:900;letter-spacing:1px;
  background:linear-gradient(135deg,#0e7490,#0891b2 48%,#2563eb);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.home .slogan{font-size:19px;color:var(--ink);font-weight:600;margin-top:18px}
.home .sub-slogan{font-size:14px;color:var(--sub);margin-top:10px}
.home-search{width:100%;max-width:640px;margin:32px 0 0;box-shadow:0 12px 34px rgba(8,145,178,.16);
  border:1px solid #e0f2fe;transition:.2s}
.home-search:focus-within{box-shadow:0 16px 46px rgba(8,145,178,.26);border-color:var(--primary)}
.home-search .ic{display:flex;align-items:center;padding-left:16px;flex-shrink:0}
.home-search input{border:0;padding:16px 14px;font-size:15px;outline:none;color:var(--ink)}
.home-search button{background:linear-gradient(135deg,var(--primary),var(--accent));border:0;color:#fff;
  padding:0 28px;font-size:15px;font-weight:600;cursor:pointer}
.home-search button:hover{filter:brightness(1.05)}
.quick{margin-top:30px;display:flex;gap:16px;flex-wrap:wrap;justify-content:center;width:100%;max-width:640px}
.q-card{flex:1;min-width:150px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px 14px;
  display:flex;flex-direction:column;align-items:center;gap:4px;box-shadow:0 4px 14px rgba(15,23,42,.05);transition:.18s}
.q-card:hover{transform:translateY(-4px);box-shadow:0 14px 30px rgba(8,145,178,.16);border-color:var(--primary);text-decoration:none}
.q-ic{font-size:24px}
.q-t{font-weight:700;font-size:15px;color:var(--ink)}
.q-d{font-size:12px;color:var(--muted)}
.trust{margin-top:30px;display:flex;gap:22px;flex-wrap:wrap;justify-content:center;font-size:13px;color:var(--sub)}
.trust span{display:flex;align-items:center;gap:6px}
.trust b{color:var(--ok);font-size:14px}

/* ---------- 通用区块 ---------- */
section{padding:46px 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:22px;flex-wrap:wrap;gap:10px}
.sec-head h2{font-size:24px;font-weight:800;color:var(--ink)}
.sec-head .tag{font-size:13px;color:var(--primary-d);background:var(--primary-l);padding:4px 12px;border-radius:20px;font-weight:600}
.sec-sub{color:var(--sub);font-size:14px;margin-top:4px;max-width:720px}
.page-top{background:#fff;border-bottom:1px solid var(--line);padding:22px 0}
.page-top .search{max-width:680px}

/* Promo */
.promo-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px}
.promo{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px;box-shadow:var(--shadow);
  border-left:4px solid var(--warn);position:relative}
.promo .brand{font-weight:700;font-size:15px}
.promo .deal{font-size:14px;color:var(--ink);margin:8px 0;font-weight:600}
.promo .meta{font-size:12px;color:var(--muted);display:flex;justify-content:space-between;align-items:center}
.promo .go{color:var(--primary);font-weight:600}
.promo .sample{position:absolute;top:10px;right:12px;font-size:10px;color:var(--muted);border:1px solid var(--line);padding:1px 6px;border-radius:6px}

/* Letter filter */
.letter-bar{display:flex;flex-wrap:wrap;gap:8px;margin:20px 0 14px;padding:12px 0;border-bottom:1px solid var(--line)}
.letter{font-size:13px;font-weight:600;color:var(--sub);background:#fff;border:1px solid var(--line);border-radius:7px;min-width:30px;height:30px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:.12s}
.letter:hover{border-color:var(--primary);color:var(--primary)}
.letter.active{background:var(--primary);color:#fff;border-color:var(--primary)}

/* Brand nav */
.tabs{display:flex;gap:10px;flex-wrap:wrap;margin:18px 0}
.tab{background:#fff;border:1px solid var(--line);padding:8px 16px;border-radius:22px;font-size:14px;color:var(--sub);cursor:pointer;transition:.15s}
.tab:hover{border-color:var(--primary)}
.tab.active{background:var(--primary);color:#fff;border-color:var(--primary)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px;box-shadow:var(--shadow);
  transition:.18s;display:flex;gap:13px;align-items:flex-start;position:relative}
.card:hover{transform:translateY(-3px);box-shadow:0 12px 28px rgba(15,23,42,.12);border-color:var(--primary)}

/* 报错按钮 */
.report-btn{position:absolute;top:10px;right:10px;font-size:11px;color:var(--muted);background:#fff;border:1px solid var(--line);padding:3px 8px;border-radius:6px;cursor:pointer;transition:.12s;z-index:2}
.report-btn:hover{color:var(--danger);border-color:var(--danger);background:#fef2f2}

.ava{width:46px;height:46px;border-radius:11px;background:linear-gradient(135deg,var(--primary-l),#dbeafe);
  color:var(--primary-d);font-weight:800;font-size:20px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.card .body{flex:1;min-width:0;padding-right:42px}
.card .name{font-weight:700;font-size:15px;display:flex;align-items:center;gap:7px;flex-wrap:wrap}
.card .en{font-size:12px;color:var(--muted);font-weight:500}
.badge{font-size:11px;padding:1px 7px;border-radius:6px;font-weight:600}
.badge.ok{background:#dcfce7;color:var(--ok)}
.badge.cat{background:var(--primary-l);color:var(--primary-d)}
.badge.warn{background:#fff7ed;color:#c2410c;border:1px solid #fdba74}
.nolink{font-size:12px;color:#b45309;background:#fef3c7;padding:3px 8px;border-radius:6px;display:inline-block}
.card .desc{font-size:12.5px;color:var(--sub);margin:6px 0 10px;line-height:1.5}
.card .links{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:10px}
.card .link{font-size:13px;color:var(--primary);font-weight:600;background:#f0f9ff;border:1px solid #e0f2fe;padding:4px 10px;border-radius:7px}
.card .link:hover{background:var(--primary-l);text-decoration:none}
.card .foot{display:flex;justify-content:space-between;align-items:center}
.card .verify{font-size:12px;color:var(--sub);border:1px solid var(--line);padding:3px 9px;border-radius:7px}
.card .verify:hover{border-color:var(--primary);color:var(--primary)}
.empty{grid-column:1/-1;text-align:center;color:var(--muted);padding:40px;font-size:15px}

/* ---------- 报错弹窗 ---------- */
.modal{position:fixed;inset:0;background:rgba(15,23,42,.55);z-index:200;display:none;align-items:center;justify-content:center;padding:20px}
.modal.show{display:flex}
.modal-box{background:#fff;border-radius:16px;width:100%;max-width:520px;box-shadow:0 24px 60px rgba(15,23,42,.25);overflow:hidden}
.modal-head{display:flex;justify-content:space-between;align-items:center;padding:16px 20px;border-bottom:1px solid var(--line)}
.modal-head h3{font-size:17px;font-weight:800}
.modal-close{font-size:22px;color:var(--muted);background:none;border:0;cursor:pointer;line-height:1}
.modal-close:hover{color:var(--ink)}
.modal-body{padding:20px;font-size:14px;color:var(--sub)}
.modal-body .row{margin-bottom:14px}
.modal-body label{display:block;font-weight:600;color:var(--ink);margin-bottom:5px;font-size:13px}
.modal-body input[type=text],.modal-body input[type=url],.modal-body textarea{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:9px;font-size:14px;outline:none;color:var(--ink)}
.modal-body input:focus,.modal-body textarea:focus{border-color:var(--primary)}
.modal-body textarea{resize:vertical;min-height:72px}
#rpCurrent{display:flex;flex-direction:column;gap:8px}
.rp-url{display:flex;align-items:center;gap:8px;cursor:pointer;font-weight:400;color:var(--sub);font-size:13px;word-break:break-all}
.rp-url input{width:auto}
.rp-url span{background:var(--primary-l);color:var(--primary-d);font-size:11px;font-weight:600;padding:1px 6px;border-radius:5px;flex-shrink:0}
.modal-foot{padding:0 20px 20px;display:flex;justify-content:flex-end;gap:10px}
.modal-foot button{padding:10px 18px;border-radius:9px;font-size:14px;font-weight:600;cursor:pointer;border:0}
.modal-foot .cancel{background:#f1f5f9;color:var(--sub)}
.modal-foot .cancel:hover{background:#e2e8f0}
.modal-foot .submit{background:var(--primary);color:#fff}
.modal-foot .submit:hover{background:var(--primary-d)}
#rpResult{margin-top:10px;font-size:13px;min-height:20px}
#rpResult.ok{color:var(--ok)}
#rpResult.error{color:var(--danger)}

/* Anti-fake */
.af{background:linear-gradient(135deg,#0f172a,#1e293b);color:#fff;border-radius:18px;padding:34px;display:grid;
  grid-template-columns:1.1fr 1fr;gap:30px;align-items:center}
@media(max-width:760px){.af{grid-template-columns:1fr}}
.af h3{font-size:22px;font-weight:800;margin-bottom:10px}
.af p{font-size:14px;opacity:.85}
.af .box{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:12px;padding:18px}
.af input{width:100%;padding:13px 14px;border-radius:9px;border:0;font-size:14px;outline:none;margin-bottom:10px}
.af button{width:100%;background:var(--primary);color:#fff;border:0;padding:13px;border-radius:9px;font-weight:600;cursor:pointer;font-size:14px}
.af .result{font-size:13px;margin-top:12px;min-height:20px;opacity:.9}
.af .tips{font-size:12px;opacity:.6;margin-top:14px;line-height:1.7}

/* ---------- 产品查询 ---------- */
.brand-band{display:flex;align-items:center;gap:14px;background:linear-gradient(135deg,#0e7490,#0891b2);color:#fff;border-radius:14px;padding:16px 20px;margin-bottom:18px}
.brand-band .bb-logo{width:40px;height:40px;border-radius:10px;background:rgba(255,255,255,.18);display:flex;align-items:center;justify-content:center;font-size:20px;font-weight:900;flex-shrink:0}
.brand-band .bb-t{font-size:17px;font-weight:800}
.brand-band .bb-d{font-size:12.5px;opacity:.9}
.brand-band .bb-go{margin-left:auto;background:#fff;color:#0e7490;font-weight:700;font-size:13px;padding:7px 14px;border-radius:9px;white-space:nowrap}
.brand-band .bb-go:hover{filter:brightness(.95)}
.prod-tools{display:flex;gap:14px;flex-wrap:wrap;align-items:center;margin-bottom:16px}
.prod-tools .search{flex:1;min-width:260px;max-width:560px}
.prod-tools .count{font-size:13px;color:var(--sub)}
.ptable-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:14px;background:#fff;box-shadow:var(--shadow)}
.ptable{width:100%;border-collapse:collapse;font-size:14px;min-width:760px}
.ptable thead th{background:#f1f5f9;text-align:left;padding:13px 16px;font-weight:700;color:var(--ink);border-bottom:2px solid var(--line);white-space:nowrap;position:sticky;top:62px}
.ptable tbody td{padding:12px 16px;border-bottom:1px solid var(--line);color:var(--ink);vertical-align:middle}
.ptable tbody tr:hover{background:#f8fafc}
.ptable .c-code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;color:var(--primary-d);font-weight:600;white-space:nowrap}
.ptable .c-brand{color:var(--sub);font-size:13px;white-space:nowrap}
.ptable .c-name{color:var(--ink);max-width:380px}
.ptable .c-spec{color:var(--sub);font-size:13px;white-space:nowrap}
.ptable .c-price{font-weight:800;color:var(--primary-d);white-space:nowrap;font-family:ui-monospace,Menlo,Consolas,monospace}
.ptable .c-price small{font-weight:500;color:var(--muted);font-size:11px;margin-left:2px}
.ptable .c-go a{color:var(--primary);font-weight:600;white-space:nowrap}
.ptable .c-go a:hover{text-decoration:underline}
.ptable .empty td{text-align:center;color:var(--muted);padding:40px}

/* 产品查询 - 分类小标签与分页 */
.tabs.sm{gap:7px;margin:10px 0 16px}
.tabs.sm .tab{font-size:12.5px;padding:5px 12px;border-radius:16px;background:#f1f5f9;color:var(--sub);font-weight:600}
.tabs.sm .tab:hover{background:#e2e8f0}
.tabs.sm .tab.active{background:var(--primary);color:#fff}
.ptable .c-cat{color:var(--sub);font-size:12.5px;white-space:nowrap}
.ptable{font-size:13.5px;min-width:880px}
.pager{display:flex;gap:6px;justify-content:center;align-items:center;flex-wrap:wrap;margin:18px 0 6px}
.prod-error{background:#fef2f2;color:#991b1b;border:1px solid #fecaca;border-radius:10px;padding:12px 16px;margin:10px 0 16px;font-size:13px}
.pager button{border:1px solid var(--line);background:#fff;color:var(--ink);padding:6px 12px;border-radius:8px;font-size:13px;cursor:pointer;min-width:38px}
.pager button:hover:not(:disabled){border-color:var(--primary);color:var(--primary)}
.pager button.cur{background:var(--primary);border-color:var(--primary);color:#fff;font-weight:700}
.pager button:disabled{opacity:.45;cursor:not-allowed}

/* Footer */
footer{background:#0f172a;color:#cbd5e1;padding:40px 0 30px;margin-top:30px;font-size:13px}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:30px}
@media(max-width:760px){.foot-grid{grid-template-columns:1fr}}
footer h4{color:#fff;font-size:15px;margin-bottom:12px}
footer a{color:#94a3b8} footer a:hover{color:#fff}
footer .disc{margin-top:24px;padding-top:18px;border-top:1px solid #1e293b;color:#64748b;font-size:12px;line-height:1.7}