:root{--brand: #1E3A5F;--primary: #0EA5E9;--gold: #D4A574;--bg: #F7FAFC;--card: #FFFFFF;--text: #1E293B;--muted: #64748B;--line: #E2E8F0;--danger: #DC2626;--ok: #16A34A}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,PingFang SC,Microsoft YaHei,sans-serif;background:var(--bg);color:var(--text)}a{color:inherit;text-decoration:none}.container{max-width:1080px;margin:0 auto;padding:0 16px 60px}.topbar{background:var(--card);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}.topbar-inner{max-width:1080px;margin:0 auto;padding:12px 16px;display:flex;align-items:center;gap:16px}.logo{font-size:20px;font-weight:700;color:var(--brand)}.notice{flex:1;color:var(--muted);font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.cart-link{position:relative;padding:6px 14px;border-radius:8px;background:var(--primary);color:#fff;font-size:14px}.cart-badge{position:absolute;top:-6px;right:-6px;background:var(--danger);color:#fff;border-radius:50%;min-width:18px;height:18px;font-size:11px;display:flex;align-items:center;justify-content:center;padding:0 4px}.banner{background:linear-gradient(135deg,var(--brand),#2B5A8C);color:#fff;padding:28px 16px;text-align:center}.banner h1{font-size:26px;margin-bottom:6px}.banner p{opacity:.85;font-size:14px}.cat-bar{display:flex;gap:8px;margin:20px 0 16px;flex-wrap:wrap}.cat-btn{padding:7px 18px;border-radius:999px;border:1px solid var(--line);background:var(--card);color:var(--muted);cursor:pointer;font-size:14px}.cat-btn.on{background:var(--brand);border-color:var(--brand);color:#fff}.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:16px}.card{background:var(--card);border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:box-shadow .2s}.card:hover{box-shadow:0 8px 24px #1e3a5f1a}.thumb{height:160px;background:linear-gradient(135deg,#e8f4fd,#f0f9ff);display:flex;align-items:center;justify-content:center;font-size:44px;color:var(--primary)}.card-body{padding:14px}.card-title{font-size:15px;font-weight:600;margin-bottom:8px;min-height:40px}.price{color:var(--danger);font-weight:700;font-size:18px}.price small{font-size:12px}.row{display:flex;align-items:center;justify-content:space-between;margin-top:10px}.btn{border:none;border-radius:8px;padding:8px 16px;cursor:pointer;font-size:14px;background:var(--primary);color:#fff}.btn:disabled{opacity:.5;cursor:not-allowed}.btn.ghost{background:var(--card);color:var(--brand);border:1px solid var(--line)}.btn.gold{background:var(--gold)}.btn.danger{background:var(--danger)}.btn.big{width:100%;padding:12px;font-size:16px}.detail{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:24px}.detail .thumb{height:320px;border-radius:14px;border:1px solid var(--line)}.detail h2{font-size:22px;margin-bottom:12px}.detail .desc{color:var(--muted);line-height:1.8;margin:14px 0}@media (max-width: 720px){.detail{grid-template-columns:1fr}}.panel{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px;margin-top:20px}.panel h3{margin-bottom:14px;color:var(--brand)}.field{margin-bottom:12px}.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:5px}.field input,.field select,.field textarea{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:8px;font-size:14px;background:#fff}.msg{padding:12px;border-radius:8px;font-size:14px;margin-top:12px}.msg.ok{background:#f0fdf4;color:var(--ok)}.msg.err{background:#fef2f2;color:var(--danger)}.msg.info{background:#eff6ff;color:var(--primary)}table{width:100%;border-collapse:collapse;font-size:13px}th,td{padding:10px 8px;border-bottom:1px solid var(--line);text-align:left}th{color:var(--muted);font-weight:500}.status{padding:3px 10px;border-radius:999px;font-size:12px;display:inline-block}.status.pending{background:#fef3c7;color:#92400e}.status.paid{background:#dbeafe;color:#1e40af}.status.shipped{background:#e0e7ff;color:#4338ca}.status.completed{background:#dcfce7;color:#166534}.status.cancelled{background:#fee2e2;color:#991b1b}.footer{border-top:1px solid var(--line);padding:24px 16px;text-align:center;color:var(--muted);font-size:13px;margin-top:40px}.empty{text-align:center;color:var(--muted);padding:60px 0}