:root{--primary: #4f6ef7;--primary-dark: #3a55d9;--accent: #f7b84f;--text: #1f2430;--text-2: #5c6472;--bg: #f5f7fb;--card: #ffffff;--border: #e6e9f0;--danger: #e5484d;--radius: 14px;--shadow: 0 6px 24px rgba(31, 36, 48, .08)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:PingFang SC,Microsoft YaHei,Segoe UI,system-ui,sans-serif;background:var(--bg);color:var(--text);line-height:1.6}a{text-decoration:none;color:inherit}img{display:block;max-width:100%}button{font-family:inherit;cursor:pointer}.container{max-width:1200px;margin:0 auto;padding:0 24px}.site-header{position:sticky;top:0;z-index:50;background:#ffffffd9;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}.header-inner{display:flex;align-items:center;justify-content:space-between;height:64px}.logo{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700}.logo-mark{width:34px;height:34px;border-radius:9px;background:linear-gradient(135deg,var(--primary),#7c5cf7);color:#fff;display:grid;place-items:center;font-size:14px;font-weight:800}nav{display:flex;gap:8px}.nav-link{padding:8px 16px;border-radius:8px;color:var(--text-2);font-size:15px;transition:.2s}.nav-link:hover{color:var(--primary);background:#eef1fd}.nav-admin{border:1px solid var(--border)}.site-footer{margin-top:72px;padding:32px 0;border-top:1px solid var(--border);color:var(--text-2);font-size:14px;text-align:center}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:10px 20px;border-radius:10px;border:none;font-size:15px;font-weight:600;transition:.2s}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark)}.btn-ghost{background:#fff;border:1px solid var(--border);color:var(--text)}.btn-ghost:hover{border-color:var(--primary);color:var(--primary)}.btn-danger{background:#fdecec;color:var(--danger)}.btn-danger:hover{background:var(--danger);color:#fff}.btn-sm{padding:6px 14px;font-size:13px;border-radius:8px}.btn:disabled{opacity:.6;cursor:not-allowed}.form-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:32px;max-width:720px;margin:40px auto}.form-title{font-size:22px;font-weight:700;margin-bottom:24px}.field{margin-bottom:20px}.field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px}.field label .req{color:var(--danger)}.field input[type=text],.field textarea{width:100%;padding:11px 14px;border:1px solid var(--border);border-radius:10px;font-size:15px;font-family:inherit;transition:border-color .2s;background:#fbfbfe}.field input:focus,.field textarea:focus{outline:none;border-color:var(--primary);background:#fff}.field textarea{min-height:110px;resize:vertical}.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}@media(max-width:560px){.field-row{grid-template-columns:1fr;gap:0}}.form-actions{display:flex;gap:12px;margin-top:28px}.error-text{color:var(--danger);font-size:14px;margin-top:8px}.admin-table{width:100%;border-collapse:collapse;background:var(--card);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}.admin-table th,.admin-table td{padding:14px 16px;text-align:left;border-bottom:1px solid var(--border);font-size:14px}.admin-table th{background:#f7f8fc;font-weight:600;color:var(--text-2)}.admin-table tr:last-child td{border-bottom:none}.admin-table .thumb{width:72px;height:48px;object-fit:cover;border-radius:6px;border:1px solid var(--border)}.admin-table .no-thumb{width:72px;height:48px;border-radius:6px;background:#eef0f6;display:grid;place-items:center;color:#a0a7b8;font-size:12px}.row-actions{display:flex;gap:8px}.loading,.empty{text-align:center;padding:80px 0;color:var(--text-2)}.badge-price{color:#e2701d;font-weight:700}