.notification-center{max-width:860px;margin:0 auto;padding-bottom:40px}.nc-head{position:sticky;top:0;z-index:8;background:color-mix(in srgb,var(--bg-body) 88%,transparent);backdrop-filter:blur(18px);padding:18px 20px;border-bottom:1px solid var(--border-color)}.nc-title{display:flex;align-items:center;justify-content:space-between;gap:12px}.nc-title h2{margin:0;font-size:25px}.nc-badge{display:inline-flex;align-items:center;justify-content:center;min-width:24px;height:24px;padding:0 8px;border-radius:999px;background:var(--primary);color:#fff;font-size:11px;font-weight:800}.nc-tabs{display:flex;gap:7px;overflow:auto;padding-top:15px;scrollbar-width:none}.nc-tab{border:1px solid var(--border-color);background:var(--bg-card);color:var(--text-secondary);padding:8px 13px;border-radius:999px;font-size:12px;white-space:nowrap;cursor:pointer}.nc-tab.active{background:var(--text);color:var(--bg-body);border-color:var(--text)}.nc-list{padding:10px 12px}.nc-item{display:flex;gap:13px;padding:15px 12px;border-radius:16px;position:relative;transition:.18s}.nc-item:hover{background:var(--bg-hover)}.nc-item.unread{background:color-mix(in srgb,var(--primary) 7%,var(--bg-card));}.nc-dot{width:8px;height:8px;border-radius:50%;background:var(--primary);position:absolute;left:2px;top:23px}.nc-avatar{width:44px;height:44px;border-radius:50%;overflow:hidden;flex:none;background:var(--bg-muted);display:grid;place-items:center;font-weight:800}.nc-avatar img{width:100%;height:100%;object-fit:cover}.nc-main{min-width:0;flex:1}.nc-summary{font-size:14px;line-height:1.45}.nc-summary strong{font-weight:800}.nc-meta{font-size:11px;color:var(--text-muted);margin-top:4px}.nc-action{align-self:center}.nc-empty{padding:80px 20px;text-align:center;color:var(--text-secondary)}.nc-empty-icon{font-size:42px;margin-bottom:10px}.nc-settings{max-width:720px;margin:20px auto;padding:20px}.nc-setting-row{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:16px 0;border-bottom:1px solid var(--border-color)}.nc-setting-row:last-child{border-bottom:0}.nc-setting-label strong{display:block;font-size:14px}.nc-setting-label span{display:block;font-size:12px;color:var(--text-muted);margin-top:3px}.nc-time-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.nc-toggle{width:44px;height:24px;border-radius:999px;border:0;background:var(--border-color);position:relative;cursor:pointer}.nc-toggle:after{content:'';position:absolute;width:18px;height:18px;top:3px;left:3px;border-radius:50%;background:#fff;transition:.2s}.nc-toggle.on{background:var(--primary)}.nc-toggle.on:after{left:23px}@media(max-width:640px){.notification-center{padding:0 0 30px}.nc-head{padding:15px}.nc-list{padding:8px}.nc-item{padding:13px 9px}.nc-time-grid{grid-template-columns:1fr}.nc-setting-row{align-items:flex-start}}