:root{--orange: #f36c00;--bg: #f4f6f8;--card: #fff;--text: #1f2937;--muted: #6b7280;--line: #e5e7eb;font-family:Segoe UI,Noto Sans TC,sans-serif;color:var(--text);background:var(--bg)}*{box-sizing:border-box}body{margin:0}a{color:inherit;text-decoration:none}.admin-shell{display:grid;grid-template-columns:220px 1fr;min-height:100vh}.admin-side{background:#1f2937;color:#fff;padding:1.25rem 1rem}.admin-side h1{font-size:1.1rem;margin:0 0 1.25rem;color:#ffb06b}.admin-side nav{display:flex;flex-direction:column;gap:.35rem}.admin-side a{padding:.55rem .7rem;border-radius:8px;color:#e5e7eb}.admin-side a.active,.admin-side a:hover{background:#f36c0040;color:#fff}.admin-main{padding:1.25rem 1.5rem}.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:1rem;margin-bottom:1rem}.row{display:flex;gap:.75rem;flex-wrap:wrap;align-items:center}label.field{display:flex;flex-direction:column;gap:.3rem;margin-bottom:.75rem;flex:1;min-width:180px}input,textarea,select,button{font:inherit}input,textarea,select{border:1px solid var(--line);border-radius:8px;padding:.5rem .65rem}textarea{min-height:120px;resize:vertical}button,.btn{border:none;border-radius:8px;padding:.5rem .9rem;background:var(--orange);color:#fff;cursor:pointer}button.secondary{background:#e5e7eb;color:#111}button.danger{background:#dc2626}table{width:100%;border-collapse:collapse}th,td{border-bottom:1px solid var(--line);text-align:left;padding:.55rem .35rem;vertical-align:middle}.login-page{min-height:100vh;display:grid;place-items:center;background:linear-gradient(135deg,#fff7ed,#ffe4cc)}.login-box{width:min(380px,92vw);background:#fff;padding:1.5rem;border-radius:14px;box-shadow:0 10px 30px #00000014}.thumb{width:64px;height:64px;object-fit:cover;border-radius:8px;background:#f3f4f6}.spec-block{border:1px solid var(--line);border-radius:10px;padding:.75rem;margin-bottom:.75rem}.spec-block input{flex:1}.media-grid{display:flex;flex-wrap:wrap;gap:.5rem}.media-item{position:relative}.media-item button{position:absolute;top:2px;right:2px;padding:.1rem .35rem;font-size:.75rem}.error{color:#dc2626;margin:.5rem 0}@media (max-width: 800px){.admin-shell{grid-template-columns:1fr}}