*{margin:0;padding:0;box-sizing:border-box}body{font-family:Segoe UI,Microsoft YaHei,system-ui,sans-serif;background:radial-gradient(1200px 600px at 50% -10%,#1e293b 0,#020617 60%);min-height:100vh}input,select,textarea{width:100%;padding:10px 12px;border-radius:10px;border:1px solid #334155;background:#0f172a;color:#e2e8f0;font-size:14px;outline:none}input:focus,textarea:focus{border-color:#22d3ee;box-shadow:0 0 0 3px rgba(34,211,238,.15)}textarea{resize:vertical;min-height:140px;line-height:1.6}button{border-radius:10px;border:none;cursor:pointer;font-size:14px;font-weight:600;transition:all .15s}.btn-primary{background:#0891b2;color:#fff;padding:12px 28px}.btn-primary:hover{background:#06b6d4;transform:translateY(-1px)}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.btn-ghost{background:#1e293b;color:#94a3b8;padding:6px 14px;font-size:13px}.btn-ghost:hover{background:#334155;color:#e2e8f0}.btn-danger{background:#7f1d1d;color:#fca5a5;padding:6px 14px;font-size:13px}.btn-danger:hover{background:#991b1b}.card{background:rgba(15,23,42,.85);border:1px solid #1e293b;border-radius:16px;padding:24px}.label{display:block;font-size:13px;color:#94a3b8;margin:14px 0 6px}.hint{font-size:12px;color:#64748b;margin-top:4px}.row{display:flex;gap:10px;align-items:center;margin-bottom:8px}.row input{flex:1}.toggle{display:inline-flex;align-items:center;gap:8px;cursor:pointer;font-size:14px}.toggle input{width:auto;accent-color:#22d3ee;transform:scale(1.3)}