*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,"PingFang SC",sans-serif;background:#eef1ee;color:#1f2a22}
.postop{background:#2E7D32;color:#fff;padding:12px 16px;font-size:17px;display:flex;justify-content:space-between;align-items:center}
.adlink{color:#fff;text-decoration:none;font-size:14px;opacity:.9}
/* ===== 收银台 ===== */
.poswrap{max-width:900px;margin:0 auto;padding:12px 14px 180px}
.scanrow{display:flex;gap:8px;margin:8px 0}
.scanrow input{flex:1;font-size:20px;padding:14px;border:2px solid #2E7D32;border-radius:10px}
.scanrow button{padding:0 18px;font-size:16px;border:0;background:#2E7D32;color:#fff;border-radius:10px}
.msg{min-height:24px;font-size:15px;margin:4px 2px;color:#2E7D32}
.msg.err{color:#c0392b}.msg.big{font-size:22px;font-weight:700}
.cart{width:100%;border-collapse:collapse;background:#fff;border-radius:10px;overflow:hidden}
.cart th{background:#dCEErD;background:#d7ecd9;color:#234;padding:10px;font-size:14px;text-align:left}
.cart td{border-bottom:1px solid #eee;padding:10px;font-size:16px;vertical-align:middle}
.cart .pn{font-weight:600}
.qtd{display:flex;align-items:center;gap:6px}
.qtd button{width:34px;height:34px;border:1px solid #2E7D32;background:#fff;color:#2E7D32;border-radius:50%;font-size:20px;font-weight:700}
.qtd input{width:50px;text-align:center;font-size:16px;border:1px solid #ccc;border-radius:6px;height:34px}
.del{background:#fff;color:#c0392b;border:1px solid #e3b4b4;border-radius:6px;padding:5px 10px}
.emptyhint{text-align:center;color:#9aa;padding:40px;font-size:16px}
.paybar{position:fixed;left:0;right:0;bottom:0;background:#fff;border-top:1px solid #ddd;padding:10px 14px;max-width:900px;margin:0 auto;box-shadow:0 -2px 10px rgba(0,0,0,.06)}
.paysel{display:flex;align-items:center;gap:8px;font-size:14px;margin-bottom:8px}
.pm{border:1px solid #2E7D32;background:#fff;color:#2E7D32;border-radius:18px;padding:6px 16px;font-size:15px}
.pm.on{background:#2E7D32;color:#fff}
.totbox{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:8px}
.totlbl{font-size:16px;color:#555}#total{font-size:30px;font-weight:800;color:#c0392b}
.paybtns{display:flex;gap:10px}
.clear{flex:0 0 90px;background:#fff;border:1px solid #bbb;color:#555;border-radius:10px;padding:14px;font-size:16px}
.checkout{flex:1;background:#2E7D32;color:#fff;border:0;border-radius:10px;padding:14px;font-size:19px;font-weight:700}
/* 弹窗 */
.mask{display:none;position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:99;overflow-y:auto;padding:16px;align-items:flex-start;justify-content:center}
.mask.show{display:flex}
.modal{background:#fff;border-radius:14px;padding:18px;width:100%;max-width:400px;margin:0 auto;max-height:none;box-shadow:0 8px 30px rgba(0,0,0,.3)}
.modal h3{margin:0 0 6px}.modal label{display:block;margin:10px 0;font-size:14px}
.modal input{display:block;width:100%;padding:11px;border:1px solid #ccc;border-radius:8px;font-size:16px;margin-top:4px}
.mbtns{display:flex;gap:10px;margin-top:14px}
/* ===== 后台 ===== */
.adwrap{max-width:1000px;margin:0 auto;padding:14px}
.adnav{display:flex;gap:10px;margin-bottom:12px}
.adnav a{background:#2E7D32;color:#fff;text-decoration:none;padding:10px 16px;border-radius:8px;font-size:15px}
.cards{display:flex;gap:12px;flex-wrap:wrap;margin:10px 0}
.card{flex:1;min-width:140px;background:#fff;border-radius:12px;padding:16px;box-shadow:0 1px 4px rgba(0,0,0,.05)}
.cn{color:#888;font-size:13px}.cv{font-size:26px;font-weight:800;color:#2E7D32;margin-top:4px}
.cat{margin:16px 0 6px;font-weight:600;color:#2E7D32;border-left:3px solid #2E7D32;padding-left:8px}
.tb{width:100%;border-collapse:collapse;background:#fff;border-radius:8px;overflow:hidden;font-size:14px}
.tb th{background:#2E7D32;color:#fff;padding:8px;text-align:left;font-weight:500}
.tb td{border-bottom:1px solid #eee;padding:7px 8px}
.tb a{color:#2E7D32}
.search{display:flex;gap:8px;margin:8px 0;align-items:center}
.search input{padding:9px;border:1px solid #ccc;border-radius:8px}
.search button{padding:9px 16px;border:0;background:#2E7D32;color:#fff;border-radius:8px}
.btn{display:inline-block;background:#2E7D32;color:#fff;text-decoration:none;padding:9px 14px;border-radius:8px;font-size:14px;border:0;cursor:pointer}
.btn.big{font-size:16px;padding:12px 20px}
.add summary{cursor:pointer;color:#2E7D32;padding:8px 0}
.pform{display:flex;flex-wrap:wrap;gap:6px;background:#fff;padding:12px;border-radius:8px}
.pform input{border:1px solid #ccc;border-radius:6px;padding:8px}
.pform button,.erow button{background:#2E7D32;color:#fff;border:0;border-radius:6px;padding:6px 12px;cursor:pointer}
.erow{display:contents}.erow input,.erow select{border:1px solid #ddd;border-radius:5px;padding:4px;width:100%}
.erow .del{background:#fff;color:#c00;border:1px solid #e0aaaa}
.muted{color:#888}.small{font-size:12px}
.steps{background:#fff;border-radius:12px;padding:18px;line-height:1.8}
.steps hr{border:0;border-top:1px solid #eee;margin:14px 0}
.steps input[type=file]{display:block;margin:8px 0}
.result{background:#fff;border-radius:12px;padding:16px}.result .err{color:#c0392b}