#oc-migration-notice{position:fixed;z-index:2147483000;left:50%;top:14px;transform:translateX(-50%);width:min(940px,calc(100vw - 24px));font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:#17324d}#oc-migration-notice *{box-sizing:border-box}.oc-mn-card{position:relative;border:1px solid #8fc8ff;border-radius:16px;background:rgba(245,251,255,.98);box-shadow:0 12px 36px rgba(15,62,105,.24);padding:16px 48px 15px 18px;backdrop-filter:blur(10px)}.oc-mn-title{font-size:18px;font-weight:800;color:#07569b;margin:0 0 6px}.oc-mn-text{font-size:14px;line-height:1.7;margin:0;color:#264b68}.oc-mn-text strong{color:#a43c13}.oc-mn-actions{display:flex;flex-wrap:wrap;gap:9px;margin-top:12px}.oc-mn-btn{display:inline-flex;align-items:center;justify-content:center;min-height:38px;padding:8px 15px;border-radius:9px;text-decoration:none!important;font-size:14px;font-weight:700;transition:.15s}.oc-mn-primary{background:#0878d1;color:#fff!important}.oc-mn-secondary{background:#dceeff;color:#07569b!important}.oc-mn-guide{background:#fff;color:#07569b!important;border:1px solid #8fc8ff}.oc-mn-close{position:absolute;right:12px;top:10px;width:30px;height:30px;border:0;border-radius:50%;background:#dceeff;color:#07569b;font-size:20px;line-height:30px;cursor:pointer}.oc-mn-mini{position:fixed;z-index:2147483000;right:14px;top:14px;border:1px solid #8fc8ff;border-radius:22px;background:#0878d1;color:#fff;padding:9px 14px;font-weight:700;box-shadow:0 8px 24px rgba(15,62,105,.25);cursor:pointer;display:none}@media(max-width:640px){#oc-migration-notice{top:8px;width:calc(100vw - 12px)}.oc-mn-card{padding:13px 38px 12px 13px;border-radius:12px}.oc-mn-title{font-size:16px}.oc-mn-text{font-size:13px;line-height:1.55}.oc-mn-actions{gap:7px;margin-top:9px}.oc-mn-btn{flex:1 1 130px;padding:7px 9px;font-size:13px}}@media(prefers-color-scheme:dark){.oc-mn-card{background:rgba(18,32,47,.98);color:#eaf6ff;border-color:#367db4}.oc-mn-title,.oc-mn-text{color:#eaf6ff}.oc-mn-secondary,.oc-mn-guide{background:#173b59;color:#eaf6ff!important;border-color:#367db4}.oc-mn-close{background:#173b59;color:#eaf6ff}}