.nbell{display:inline-flex;position:relative}.nbell-btn{cursor:pointer;color:var(--text);justify-content:center;align-items:center;display:inline-flex;position:relative}.nbell-btn.home{background:#fff;border:1px solid #3b385457;width:38px;height:38px;padding:0}.nbell-btn.home:hover{background:var(--muted-bg)}.nbell-count{background:var(--lime);min-width:17px;height:17px;color:var(--dark);font-family:var(--mono);text-align:center;box-shadow:0 0 0 2px var(--bg);border-radius:9px;padding:0 4px;font-size:10px;font-weight:600;line-height:17px;position:absolute;top:-5px;right:-6px}.nbell-panel{z-index:60;background:var(--surface);border:1px solid var(--border-strong);width:360px;max-width:calc(100vw - 32px);animation:.14s ease-out nbell-in;position:absolute;top:calc(100% + 10px);right:0;box-shadow:0 18px 40px #211f3229}@keyframes nbell-in{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}.nbell-head{border-bottom:1px dashed var(--border-strong);font-family:var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--text-2);justify-content:space-between;align-items:center;padding:12px 14px;font-size:11px;display:flex}.nbell-new{background:var(--lime);color:var(--dark);letter-spacing:.06em;padding:2px 7px}.nbell-empty{color:var(--text-3);padding:22px 16px;font-size:13.5px;line-height:1.5}.nbell-list{max-height:min(440px,70vh);margin:0;padding:0;list-style:none;overflow-y:auto}.nbell-list li+li{border-top:1px dashed var(--border-soft)}.nbell-list a,.nbell-row{color:var(--text);align-items:flex-start;gap:11px;padding:12px 14px;text-decoration:none;display:flex}.nbell-list a:hover{background:var(--muted-bg)}.nbell-list li.unread{background:var(--blue-bg)}.nbell-list li.unread a:hover{background:var(--blue-soft)}.nbell-ico{background:var(--muted-bg-2);width:28px;height:28px;color:var(--text-2);flex:none;justify-content:center;align-items:center;display:inline-flex}.nbell-ico.k-news{color:var(--green);background:#e4f7ee}.nbell-ico.k-blog{color:#9a6508;background:#fcefd9}.nbell-ico.k-announcement,.nbell-ico.k-course{background:var(--blue-soft);color:var(--blue)}.nbell-text{flex-direction:column;flex:1;gap:2px;min-width:0;display:flex}.nbell-text b{font-size:13.5px;font-weight:600;line-height:1.35}.nbell-body{color:var(--text-2);font-size:13px;line-height:1.4}.nbell-time{font-family:var(--mono);color:var(--text-4);margin-top:2px;font-size:10.5px}.nbell-dot{background:var(--blue);border-radius:50%;flex:none;width:7px;height:7px;margin-top:6px}.nbell-headright{align-items:center;gap:8px;display:inline-flex}.nbell-sound{border:1px solid var(--border-strong);font-family:var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--text-2);cursor:pointer;background:0 0;align-items:center;gap:4px;padding:2px 6px;font-size:10px;display:inline-flex}.nbell-sound:hover{background:var(--muted-bg)}.nbell-sound[aria-pressed=false]{color:var(--text-4)}.nbar{top:calc(var(--topbar-h,64px) + 12px);z-index:80;background:var(--surface);width:380px;max-width:calc(100vw - 32px);color:var(--text);border:1px solid var(--border-strong);border-left:3px solid var(--lime);align-items:flex-start;gap:11px;padding:13px 12px 15px 14px;animation:.45s cubic-bezier(.2,.8,.2,1) both nbar-in;display:flex;position:fixed;right:16px;overflow:hidden;box-shadow:0 18px 40px #211f322e}@keyframes nbar-in{0%{opacity:0;transform:translate(24px)}to{opacity:1;transform:none}}.nbar-text{text-align:left;flex-direction:column;flex:1;gap:2px;min-width:0;display:flex}.nbar-text b{font-size:13.5px;font-weight:600;line-height:1.35}.nbar-text span{color:var(--text-2);-webkit-line-clamp:2;-webkit-box-orient:vertical;font-size:13px;line-height:1.4;display:-webkit-box;overflow:hidden}.nbar-go{background:var(--dark);color:#fff;font-family:var(--mono);letter-spacing:.08em;text-transform:uppercase;flex:none;align-self:center;padding:6px 11px;font-size:11px;text-decoration:none}.nbar-go:hover{filter:brightness(1.2)}.nbar-x{color:var(--text-3);cursor:pointer;background:0 0;border:0;flex:none;padding:4px;display:inline-flex}.nbar-x:hover{color:var(--text)}.nbar-time{background:var(--lime);transform-origin:0;width:100%;height:2px;animation:linear both nbar-time;position:absolute;bottom:0;left:0}@keyframes nbar-time{0%{transform:scaleX(1)}to{transform:scaleX(0)}}@media (max-width:640px){.nbar{width:auto;left:16px;right:16px}.nbell-panel{width:auto;max-width:none;position:fixed;top:64px;left:16px;right:16px}}@media (prefers-reduced-motion:reduce){.nbell-panel,.nbar{animation:none}.nbar-time{display:none}}@media (max-width:640px){.nbar{top:auto;bottom:calc(14px + env(safe-area-inset-bottom));width:auto;animation-name:nbar-up;left:12px;right:12px}.nbar-x{margin:-6px -6px -6px 0;padding:10px}.nbar-go{padding:9px 13px}}@keyframes nbar-up{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:none}}.upg{z-index:120;-webkit-backdrop-filter:blur(3px);background:#1b192d8c;place-items:center;padding:16px;animation:.25s both upg-fade;display:grid;position:fixed;inset:0;overflow-y:auto}.upg-card{border:1px solid var(--border-strong);width:min(100%,520px);color:var(--text);background:#fff;margin:auto;padding:34px 32px 28px;animation:.5s cubic-bezier(.2,.9,.25,1.15) both upg-pop;position:relative;box-shadow:0 30px 80px #1b192d59}.upg-card:before{content:"";background:linear-gradient(90deg,var(--mint),var(--lime),var(--peri));height:5px;position:absolute;top:0;left:0;right:0}.upg-x{width:40px;height:40px;color:var(--text-3);cursor:pointer;background:0 0;border:0;font-size:26px;line-height:1;position:absolute;top:10px;right:10px}.upg-x:hover{color:var(--text)}.upg-badge{background:var(--lime);font-family:var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--dark);padding:4px 9px;font-size:10px;font-weight:700;position:absolute;top:22px;left:32px}.upg-tag{font-family:var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--text-3);margin-top:34px;font-size:11px}.upg-card h2{font-family:var(--display);letter-spacing:-.02em;color:var(--text);margin:10px 0 0;font-size:clamp(23px,5.4vw,29px);font-weight:800;font-stretch:120%;line-height:1.12}.upg-lead{color:var(--text);margin:14px 0 0;font-size:17px;line-height:1.55}.upg-plan{background:var(--dark);color:#fff;grid-template-columns:1fr 1fr;gap:1px;margin-top:20px;display:grid}.upg-plan>div{padding:16px 18px}.upg-plan>div+div{text-align:right}.upg-plan span{font-family:var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--mint);font-size:10px;display:block}.upg-plan b{margin-top:6px;font-size:17px;font-weight:700;display:block}.upg-list{margin:18px 0 0;padding:0;list-style:none}.upg-list li{border-top:1px dashed var(--border-strong);color:var(--text);padding:10px 0 10px 28px;font-size:15px;line-height:1.45;position:relative}.upg-list li:before{content:"✓";color:#1fa971;font-weight:700;position:absolute;top:9px;left:2px}.upg-fine{color:var(--text-3);margin:14px 0 0;font-size:13.5px;line-height:1.5}.upg-acts{flex-wrap:wrap;align-items:center;gap:14px;margin-top:22px;display:flex}.upg-go{background:var(--mint);color:#16351f;clip-path:polygon(12px 0,100% 0,calc(100% - 12px) 100%,0 100%);justify-content:center;align-items:center;min-height:50px;padding:0 28px;font-size:16px;font-weight:700;display:inline-flex}.upg-go:hover{filter:brightness(1.05)}.upg-later{min-height:44px;font:inherit;color:var(--text-2);text-underline-offset:3px;cursor:pointer;background:0 0;border:0;padding:0 8px;font-size:14.5px;text-decoration:underline}.upg-confetti{pointer-events:none;position:fixed;inset:0;overflow:hidden}.upg-confetti i{opacity:0;width:9px;height:15px;animation:2.6s cubic-bezier(.25,.6,.4,1) both upg-fall;position:absolute;top:-16px}.upg-confetti i:nth-child(3n){border-radius:50%;width:7px;height:7px}.upg-confetti i:nth-child(4n){width:12px;height:6px}@keyframes upg-fade{0%{opacity:0}to{opacity:1}}@keyframes upg-pop{0%{opacity:0;transform:translateY(18px)scale(.94)}to{opacity:1;transform:none}}@keyframes upg-fall{0%{opacity:0;transform:translate(0,0)rotate(0)}8%{opacity:1}to{opacity:0;transform:translate3d(var(--drift),105vh,0) rotate(calc(var(--turn) + 540deg))}}@media (max-width:560px){.upg{place-items:end center;padding:10px}.upg-card{padding:24px 18px 14px}.upg-badge{top:18px;left:18px}.upg-tag{margin-top:28px}.upg-lead{margin-top:10px;font-size:15.5px;line-height:1.5}.upg-plan{margin-top:14px}.upg-plan>div{padding:11px 13px}.upg-plan b{margin-top:4px;font-size:15px}.upg-list{margin-top:12px}.upg-list li{padding:7px 0 7px 26px;font-size:14px;line-height:1.4}.upg-list li:before{top:6px}.upg-fine{margin-top:10px;font-size:12.5px}.upg-acts{flex-direction:column;align-items:stretch;gap:2px;margin-top:14px}.upg-go{width:100%;min-height:48px}}@media (prefers-reduced-motion:reduce){.upg,.upg-card{animation:none}.upg-confetti{display:none}}