:root{--bg:#f4f7fb;--card:#fff;--text:#172033;--muted:#667085;--primary:#1f6feb;--primary2:#1558c0;--border:#e5e7eb;--danger:#d92d20}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",Arial,sans-serif;background:linear-gradient(135deg,#eef5ff,#f8fafc);color:var(--text)}.container{max-width:1180px;margin:38px auto;padding:0 20px}.narrow{max-width:760px}.header{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:22px}.header h1{margin:0 0 8px;font-size:30px}.header p{margin:0;color:var(--muted)}.btn{display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--border);border-radius:10px;padding:10px 16px;background:#fff;color:var(--text);text-decoration:none;font-weight:600;cursor:pointer}.btn.primary{background:var(--primary);border-color:var(--primary);color:#fff}.btn.primary:hover{background:var(--primary2)}.btn.light{background:#f8fafc}.alert{padding:12px 16px;border-radius:12px;background:#ecfdf3;color:#027a48;margin-bottom:16px}.search{display:flex;gap:10px;margin-bottom:16px}.search input{flex:1}.card{background:rgba(255,255,255,.95);border:1px solid var(--border);border-radius:18px;box-shadow:0 16px 45px rgba(15,23,42,.08);overflow:hidden}table{width:100%;border-collapse:collapse}th,td{padding:14px 12px;border-bottom:1px solid var(--border);text-align:left;font-size:14px;vertical-align:top}th{background:#f8fafc;color:#475467;font-weight:700}tr:hover td{background:#fbfdff}.strong{font-weight:700}.actions{white-space:nowrap}.actions a{margin-right:10px;color:var(--primary);text-decoration:none}.actions .danger{color:var(--danger)}.empty{text-align:center;color:var(--muted);padding:34px}.form{padding:24px}.form label{display:block;margin-bottom:16px;font-weight:700}.form label span{color:var(--danger)}input,textarea{width:100%;border:1px solid var(--border);border-radius:10px;padding:12px 14px;font:inherit;background:#fff;margin-top:8px}input:focus,textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(31,111,235,.12)}.form-actions{display:flex;gap:10px;margin-top:8px}@media(max-width:800px){.header{align-items:flex-start;flex-direction:column}table{display:block;overflow:auto}.search{flex-direction:column}}