:root{
  --bg:#f5f6f8; --card:#fff; --ink:#1f2430; --sub:#7a8194; --line:#e6e9ef;
  --blue:#2f6fed; --blue-dk:#1e56c8; --tl:#e8842c; --fr:#2aa06d; --warn:#d5443c;
}
*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}
body{font-family:-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--ink);min-height:100vh}
.wrap{max-width:640px;margin:0 auto;padding:14px 14px 40px}

/* 口令门 */
#gate{position:fixed;inset:0;background:var(--bg);display:flex;align-items:center;justify-content:center;z-index:50}
#gate .box{background:var(--card);border-radius:14px;padding:28px 26px;width:86%;max-width:340px;box-shadow:0 8px 30px rgba(20,30,60,.08);text-align:center}
#gate h1{font-size:18px;margin-bottom:6px}
#gate p{font-size:12px;color:var(--sub);margin-bottom:16px}
#gate input{width:100%;padding:11px 12px;border:1px solid var(--line);border-radius:9px;font-size:16px;text-align:center;letter-spacing:2px;outline:none}
#gate input:focus{border-color:var(--blue)}
#gate button{width:100%;margin-top:12px;padding:11px;border:0;border-radius:9px;background:var(--blue);color:#fff;font-size:15px;cursor:pointer}
#gate button:active{background:var(--blue-dk)}
#gate .err{color:var(--warn);font-size:12px;margin-top:10px;min-height:16px}

/* 顶部 */
header{display:flex;align-items:center;gap:8px;margin-bottom:12px}
header .logo{width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,#2f6fed,#5a8bff);color:#fff;display:flex;align-items:center;justify-content:center;font-size:17px}
header h1{font-size:17px;flex:1}
header .stats{font-size:11px;color:var(--sub)}

/* 选项卡 */
.tabs{display:flex;background:#e9ecf2;border-radius:10px;padding:3px;margin-bottom:12px}
.tabs button{flex:1;border:0;background:transparent;padding:9px 0;font-size:14px;border-radius:8px;color:var(--sub);cursor:pointer;font-weight:600}
.tabs button.on{background:#fff;color:var(--ink);box-shadow:0 1px 4px rgba(0,0,0,.08)}

/* 搜索区 */
.panel{display:none}
.panel.on{display:block}
.searchrow{display:flex;gap:8px;margin-bottom:10px}
.searchrow input{flex:1;padding:12px 14px;border:1px solid var(--line);border-radius:11px;font-size:16px;background:#fff;outline:none}
.searchrow input:focus{border-color:var(--blue)}
.searchrow button{padding:0 20px;border:0;border-radius:11px;background:var(--blue);color:#fff;font-size:15px;cursor:pointer}
.seg{display:flex;gap:6px;margin-bottom:12px;flex-wrap:wrap}
.seg button{padding:6px 14px;border-radius:999px;border:1px solid var(--line);background:#fff;color:var(--sub);font-size:12px;cursor:pointer}
.seg button.on{background:#eaf1ff;border-color:var(--blue);color:var(--blue);font-weight:600}

/* 搜图上传区 */
#drop{background:#fff;border:2px dashed var(--line);border-radius:14px;padding:22px 14px;text-align:center;cursor:pointer;transition:.15s}
#drop.over{border-color:var(--blue);background:#f3f8ff}
#drop .big{font-size:30px;margin-bottom:6px}
#drop .t1{font-size:14px;font-weight:600}
#drop .t2{font-size:11px;color:var(--sub);margin-top:4px}
#preview{display:none;margin-top:12px;position:relative}
#preview img{max-width:100%;max-height:240px;border-radius:10px;display:block;margin:0 auto}
#preview .x{position:absolute;top:6px;right:6px;width:26px;height:26px;border-radius:50%;background:rgba(0,0,0,.55);color:#fff;border:0;font-size:14px;cursor:pointer}
#imgstatus{font-size:12px;color:var(--sub);text-align:center;margin-top:8px;min-height:16px}

/* 提示与结果 */
.hint{font-size:12px;color:var(--sub);text-align:center;padding:26px 10px}
.custbar{font-size:12px;color:var(--sub);margin:4px 2px 10px}
.custbar b{color:var(--ink)}
.card{background:var(--card);border-radius:13px;padding:12px;margin-bottom:10px;box-shadow:0 1px 4px rgba(20,30,60,.05);display:flex;gap:11px}
.card .thumb{width:86px;height:86px;border-radius:9px;object-fit:cover;background:#eef1f5;flex-shrink:0;cursor:zoom-in}
.card .info{flex:1;min-width:0}
.card .r1{display:flex;align-items:center;gap:6px;margin-bottom:4px}
.tag{font-size:10px;color:#fff;border-radius:4px;padding:2px 6px;flex-shrink:0}
.tag.tl{background:var(--tl)} .tag.fr{background:var(--fr)}
.tag.ds{background:#5a6ad4}
.card .cust{font-size:14px;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.card .prod{font-size:14px;font-weight:600;margin-bottom:4px}
.kv{font-size:12px;color:var(--sub);line-height:1.65;overflow:hidden}
.kv b{color:var(--ink);font-weight:600}
.sim{font-size:12px;font-weight:700;color:var(--blue);flex-shrink:0}
.more{font-size:11px;color:var(--sub);margin-top:4px}
#lightbox{position:fixed;inset:0;background:rgba(0,0,0,.82);display:none;align-items:center;justify-content:center;z-index:60}
#lightbox img{max-width:96vw;max-height:92vh;border-radius:8px}
#loading{display:none;text-align:center;padding:18px;color:var(--sub);font-size:13px}
.spin{display:inline-block;width:16px;height:16px;border:2px solid var(--line);border-top-color:var(--blue);border-radius:50%;animation:sp .8s linear infinite;vertical-align:-3px;margin-right:6px}
@keyframes sp{to{transform:rotate(360deg)}}