.pk-rule-card{background:var(--bg-primary);border:1px solid var(--border-light);border-radius:var(--radius-lg);padding:14px;margin:10px 0;}
                .pk-rule-head{display:flex;align-items:center;justify-content:space-between;gap:10px;}
                .pk-rule-title{font-size:var(--font-size-base);font-weight:700;color:var(--text-primary);}
                .pk-rule-sub{font-size:var(--font-size-xs);color:var(--text-tertiary);margin-top:2px;}
                .pk-rule-auto-tip{font-size:var(--font-size-xs);color:var(--text-secondary);margin-top:8px;line-height:1.5;}
                .pk-rule-row{display:flex;align-items:center;justify-content:space-between;padding:8px 0;border-top:1px solid var(--border-light);font-size:var(--font-size-sm);color:var(--text-primary);}
                .pk-rule-card .switch{width:44px;height:26px;border-radius:13px;background:#D1D1D6;position:relative;cursor:pointer;transition:background .2s;flex-shrink:0;}
                .pk-rule-card .switch.on{background:var(--success);}
                .pk-rule-card .switch::after{content:'';position:absolute;top:2px;left:2px;width:22px;height:22px;border-radius:50%;background:#fff;transition:left .2s;}
                .pk-rule-card .switch.on::after{left:20px;}