:root{--brand: #2563eb;--brand-dark: #1d4ed8;--bg: #f4f6fb;--card: #ffffff;--text: #1e293b;--muted: #64748b;--border: #e2e8f0;--danger: #dc2626;--success: #16a34a;--warn: #d97706;--radius: 14px;--shadow: 0 2px 12px rgba(15, 23, 42, .08)}*{box-sizing:border-box}html,body{margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}button{font-family:inherit;cursor:pointer}img{display:block}a{color:inherit;text-decoration:none}.app{max-width:860px;margin:0 auto;min-height:100vh}.topbar{position:sticky;top:0;z-index:10;background:var(--brand);color:#fff;padding:14px 18px;display:flex;align-items:center;justify-content:space-between;box-shadow:var(--shadow)}.topbar h1{font-size:19px;margin:0;font-weight:700}.topbar .sub{font-size:12px;opacity:.85}.btn{border:none;border-radius:10px;padding:11px 18px;font-size:15px;font-weight:600;background:var(--brand);color:#fff;transition:background .15s,opacity .15s}.btn:hover{background:var(--brand-dark)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-ghost{background:transparent;color:var(--brand);border:1px solid var(--border)}.btn-ghost:hover{background:#f1f5f9}.btn-danger{background:var(--danger)}.btn-danger:hover{background:#b91c1c}.btn-block{width:100%}.muted{color:var(--muted)}.center{text-align:center}.empty{text-align:center;color:var(--muted);padding:60px 20px;font-size:15px}.error-banner{background:#fef2f2;color:var(--danger);border:1px solid #fecaca;padding:10px 14px;border-radius:10px;margin:12px 16px;font-size:14px}.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;padding:16px 16px 120px}.card{background:var(--card);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column}.card .thumb{width:100%;aspect-ratio:1;object-fit:cover;background:#eef1f6}.card .body{padding:10px 12px 14px;display:flex;flex-direction:column;flex:1}.card .name{font-weight:600;font-size:15px;line-height:1.35;margin-bottom:4px}.card .desc{font-size:12px;color:var(--muted);line-height:1.4;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.card .row{margin-top:auto;display:flex;align-items:center;justify-content:space-between}.price{color:var(--danger);font-weight:800;font-size:18px}.stock-tag{font-size:11px;color:var(--muted)}.stock-low{color:var(--warn);font-weight:600}.stepper{display:flex;align-items:center;gap:8px}.stepper button{width:30px;height:30px;border-radius:8px;border:1px solid var(--border);background:#fff;font-size:18px;line-height:1;color:var(--brand);display:flex;align-items:center;justify-content:center}.stepper .qty{min-width:22px;text-align:center;font-weight:700}.add-btn{border:none;background:var(--brand);color:#fff;border-radius:8px;padding:7px 14px;font-size:14px;font-weight:600}.cartbar{position:fixed;bottom:0;left:50%;transform:translate(-50%);width:100%;max-width:860px;background:#fff;border-top:1px solid var(--border);padding:12px 16px;display:flex;align-items:center;justify-content:space-between;box-shadow:0 -4px 16px #0f172a14;z-index:20}.cartbar .info .count{font-size:13px;color:var(--muted)}.cartbar .info .sum{font-size:22px;font-weight:800;color:var(--danger)}.drawer-mask{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172a73;z-index:30;display:flex;align-items:flex-end;justify-content:center}.drawer{background:#fff;width:100%;max-width:860px;max-height:78vh;border-radius:18px 18px 0 0;display:flex;flex-direction:column;animation:slideUp .22s ease}@keyframes slideUp{0%{transform:translateY(100%)}to{transform:translateY(0)}}.drawer-head{padding:16px 18px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center}.drawer-head h3{margin:0;font-size:17px}.drawer-list{overflow-y:auto;padding:8px 18px;flex:1}.cart-item{display:flex;align-items:center;gap:12px;padding:12px 0;border-bottom:1px solid var(--border)}.cart-item img{width:54px;height:54px;border-radius:10px;object-fit:cover}.cart-item .ci-name{font-weight:600;font-size:14px}.cart-item .ci-price{color:var(--danger);font-size:13px;font-weight:700}.drawer-foot{padding:16px 18px calc(16px + env(safe-area-inset-bottom));border-top:1px solid var(--border)}.order-page{min-height:100vh;background:linear-gradient(180deg,#fff7ed,#fef3c7);padding:22px 18px 40px;max-width:860px;margin:0 auto}.order-hero{background:var(--danger);color:#fff;border-radius:18px;padding:26px 20px;text-align:center;box-shadow:0 8px 24px #dc26264d}.order-hero .badge{display:inline-block;background:#fff3;border-radius:999px;padding:4px 14px;font-size:13px;margin-bottom:12px;letter-spacing:1px}.order-hero .headline{font-size:34px;font-weight:900;line-height:1.25;letter-spacing:1px}.order-hero .sub{margin-top:10px;font-size:15px;opacity:.92}.amount-card{background:#fff;border-radius:16px;margin-top:18px;padding:20px;text-align:center;box-shadow:var(--shadow)}.amount-card .label{font-size:15px;color:var(--muted)}.amount-card .amount{font-size:52px;font-weight:900;color:var(--danger);line-height:1.1;margin-top:4px}.amount-card .orderno{margin-top:8px;font-size:13px;color:var(--muted);letter-spacing:1px}.order-items{background:#fff;border-radius:16px;margin-top:16px;padding:6px 18px;box-shadow:var(--shadow)}.order-items .oi{display:flex;align-items:center;gap:12px;padding:14px 0;border-bottom:1px dashed var(--border)}.order-items .oi:last-child{border-bottom:none}.order-items .oi img{width:56px;height:56px;border-radius:10px;object-fit:cover}.order-items .oi .oi-name{font-size:17px;font-weight:700}.order-items .oi .oi-meta{font-size:14px;color:var(--muted);margin-top:2px}.order-items .oi .oi-qty{font-size:20px;font-weight:800;color:var(--text);min-width:44px;text-align:right}.order-items .oi .oi-sub{font-size:16px;font-weight:700;color:var(--danger);min-width:84px;text-align:right}.order-total-row{display:flex;justify-content:space-between;align-items:center;padding:16px 4px 6px;font-size:20px;font-weight:800}.order-total-row .t{color:var(--danger);font-size:26px}.order-actions{margin-top:22px;text-align:center}.admin{max-width:980px;margin:0 auto;padding-bottom:40px}.login-box{max-width:360px;margin:80px auto;background:#fff;padding:28px 24px;border-radius:var(--radius);box-shadow:var(--shadow)}.login-box h2{margin:0 0 18px;text-align:center}.field{margin-bottom:14px}.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px}.input,.textarea,select.input{width:100%;border:1px solid var(--border);border-radius:10px;padding:10px 12px;font-size:15px;background:#fff;color:var(--text)}.textarea{min-height:70px;resize:vertical}.input:focus,.textarea:focus{outline:none;border-color:var(--brand)}.admin-section{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:18px;margin:16px}.admin-section h3{margin:0 0 14px}.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.form-grid .full{grid-column:1 / -1}.admin-table{width:100%;border-collapse:collapse;font-size:14px}.admin-table th,.admin-table td{padding:10px 8px;border-bottom:1px solid var(--border);text-align:left;vertical-align:middle}.admin-table th{color:var(--muted);font-weight:600;font-size:12px}.admin-table img{width:46px;height:46px;border-radius:8px;object-fit:cover}.mini-input{width:78px;border:1px solid var(--border);border-radius:8px;padding:6px 8px;font-size:14px}.status{display:inline-block;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:600}.status.online{background:#dcfce7;color:var(--success)}.status.soldout{background:#fef3c7;color:var(--warn)}.status.offline{background:#f1f5f9;color:var(--muted)}.actions-cell{display:flex;gap:6px;flex-wrap:wrap}.btn-sm{padding:6px 10px;font-size:13px;border-radius:8px}.thumb-preview{width:90px;height:90px;border-radius:10px;object-fit:cover;border:1px solid var(--border)}@media (max-width: 560px){.form-grid{grid-template-columns:1fr}.order-hero .headline{font-size:28px}.amount-card .amount{font-size:44px}.hide-sm{display:none}}