:root{--red:#8c1d1d;--red-deep:#5d1111;--gold:#b78b42;--ink:#2d2926;--muted:#756c64;--paper:#fffdf8;--line:#eadfce;--bg:#f5f0e8}*{box-sizing:border-box}html,body{background:var(--bg);min-height:100%;color:var(--ink);margin:0}body{font-family:PingFang SC,Microsoft YaHei,system-ui,sans-serif}a{color:var(--red)}button,input,textarea,select{font:inherit}.site-shell{grid-template-columns:minmax(320px,.9fr) minmax(420px,1.1fr);min-height:100vh;display:grid}.brand-panel{background:linear-gradient(150deg, var(--red-deep), var(--red));color:#fff8ea;flex-direction:column;justify-content:center;min-height:100vh;padding:70px 8vw;display:flex}.brand-mark{border:1px solid #fff5dca6;place-items:center;width:86px;height:86px;margin-bottom:28px;font-family:serif;font-size:44px;display:grid}.eyebrow{letter-spacing:.35em;color:#e8c98e;font-size:12px}.brand-panel h1{letter-spacing:.12em;margin:10px 0 0;font-family:serif;font-size:58px;font-weight:600}.subtitle{letter-spacing:.15em;margin:12px 0;font-size:20px}.brand-line{background:linear-gradient(90deg,#d9b46d,#0000);height:1px;margin:26px 0}.brand-copy{opacity:.78;font-size:14px}.redeem-panel{justify-content:center;align-items:center;padding:48px;display:flex}.card{background:var(--paper);border:1px solid var(--line);width:min(620px,100%);padding:42px;box-shadow:0 22px 70px #53331814}.step-label{color:var(--gold);letter-spacing:.2em;text-transform:uppercase;font-size:12px}.card h2{margin:10px 0 8px;font-size:28px}.hint{color:var(--muted);margin:0 0 28px;line-height:1.7}.form-grid{gap:18px;display:grid}.two-col{grid-template-columns:1fr 1fr}label{color:#504943;gap:8px;font-size:14px;display:grid}input,textarea,select{background:#fff;border:1px solid #d9cdbd;border-radius:2px;outline:none;width:100%;padding:13px 14px;transition:all .2s}input:focus,textarea:focus,select:focus{border-color:var(--gold);box-shadow:0 0 0 3px #b78b421a}.primary{background:var(--red);color:#fff;cursor:pointer;border:0;width:100%;margin-top:22px;padding:14px 20px}.primary:disabled{opacity:.55;cursor:not-allowed}.secondary{border:1px solid var(--line);color:var(--ink);cursor:pointer;background:#fff;padding:12px 18px}.actions{gap:12px;margin-top:22px;display:flex}.actions .primary{margin-top:0}.product-box{border:1px solid var(--line);background:#fffaf1;margin:20px 0;padding:22px}.product-name{margin-bottom:12px;font-size:19px;font-weight:600}.spec{color:#5d554e;flex-wrap:wrap;gap:18px;display:flex}.error{color:#8c1d1d;background:#fff1ef;border:1px solid #f2cbc6;margin-top:14px;padding:12px 14px}.success-mark{border:2px solid var(--gold);width:58px;height:58px;color:var(--gold);border-radius:50%;place-items:center;margin-bottom:18px;font-size:28px;display:grid}.order-no{letter-spacing:.04em;word-break:break-all;background:#f7f0e5;margin:18px 0;padding:12px;font-family:ui-monospace,monospace}.admin-shell{background:#f6f4ef;min-height:100vh;padding:40px}.admin-header{justify-content:space-between;align-items:flex-end;max-width:1180px;margin:0 auto 28px;display:flex}.admin-header h1{margin:0}.stats{grid-template-columns:repeat(4,1fr);gap:16px;max-width:1180px;margin:auto;display:grid}.stat{border:1px solid var(--line);background:#fff;padding:22px}.stat strong{margin-top:10px;font-size:30px;display:block}.dev-note{background:#fff8e7;border:1px solid #ead49f;max-width:1180px;margin:20px auto 0;padding:14px 16px}@media (max-width:820px){.site-shell{grid-template-columns:1fr}.brand-panel{min-height:auto;padding:42px 28px}.brand-panel h1{font-size:42px}.brand-mark{width:64px;height:64px;margin-bottom:18px;font-size:34px}.redeem-panel{padding:22px 16px 48px}.card{padding:28px 22px}.two-col{grid-template-columns:1fr}.stats{grid-template-columns:1fr 1fr}}.admin-card{border:1px solid var(--line);background:#fff;max-width:1180px;margin:auto;padding:28px}.admin-card h2{margin-top:0}.import-summary{grid-template-columns:repeat(3,1fr);gap:12px;margin:24px 0;display:grid}.import-summary>div{border:1px solid var(--line);background:#f8f4ed;padding:16px}.import-summary strong{margin-top:6px;font-size:24px;display:block}.error-list{background:#fff5f3;border:1px solid #efc8c2;max-height:260px;margin:18px 0;padding:18px;overflow:auto}.error-list>div{padding:5px 0;font-size:13px}.table-wrap{border:1px solid var(--line);margin:18px 0;overflow:auto}table{border-collapse:collapse;width:100%;min-width:760px;font-size:13px}th,td{border-bottom:1px solid var(--line);text-align:left;white-space:nowrap;padding:11px 12px}th{background:#f7f3ec}.import-form{border-top:1px solid var(--line);margin-top:28px;padding-top:24px}.admin-header a{color:var(--red);text-decoration:none}.admin-nav{border-bottom:1px solid var(--line);background:#fff;flex-wrap:wrap;align-items:center;gap:18px;padding:14px 40px;display:flex}.admin-nav a{color:var(--red);text-decoration:none}.admin-nav span{margin-left:auto}.admin-filters{flex-wrap:wrap;align-items:end;gap:12px;margin:16px 0;display:flex}.admin-filters input,.admin-filters select{min-width:160px}.admin-filters .primary{width:auto;margin:0}.admin-pager{justify-content:flex-end;align-items:center;gap:16px;display:flex}.table-wrap button,.admin-pager button{border:1px solid var(--line);color:var(--red);cursor:pointer;background:#fff;padding:6px 10px}@media (max-width:820px){.admin-shell{padding:20px 12px}.admin-nav{padding:12px}.admin-header{align-items:flex-start;gap:12px}.admin-card{padding:18px}}
