.a4mini{background:#f5f6f8;border-bottom:1px solid #e5e7eb}.a4mini nav{max-width:1240px;margin:auto;padding:7px 24px;display:flex;justify-content:flex-end;gap:17px}.a4mini a{color:#656a73;font-size:10px;font-weight:650}.a4head{position:sticky;top:0;z-index:900;background:#fff;border-bottom:1px solid #e5e7eb}.a4row{max-width:1240px;height:68px;margin:auto;padding:0 24px;display:flex;align-items:center;gap:34px}.a4logo img{width:145px;height:45px;object-fit:contain}.a4nav{display:flex;align-items:center;gap:25px}.a4nav a{font-size:13.5px;font-weight:650}.a4nav a:hover{color:#d8542a}.a4actions{position:relative;margin-left:auto;display:flex;align-items:center;gap:9px}.a4icon{position:relative;width:39px;height:39px;border:1px solid #e2e4e8;border-radius:50%;background:#fff;display:grid;place-items:center}.a4icon:hover{border-color:#d8542a;color:#d8542a}.a4icon svg{width:18px;height:18px}.a4count{display:none;position:absolute;right:-3px;top:-4px;min-width:17px;height:17px;padding:0 4px;border-radius:10px;background:#d8542a;color:#fff;font-size:9px;font-weight:800;border:2px solid #fff}.a4live{display:flex;align-items:center;gap:7px;border-radius:8px;background:#16181c;color:#fff;padding:11px 13px;font-size:11px;font-weight:800}.a4live i{width:7px;height:7px;border-radius:50%;background:#ef4444;box-shadow:0 0 0 4px #ef444425}.a4menu{display:none;width:38px;height:38px;border:0;background:#fff}.a4menu span{display:block;width:20px;height:2px;margin:4px auto;background:#15171b}.a4mobile{display:none;padding:8px 18px 16px;border-top:1px solid #e5e7eb}.a4mobile.open{display:grid}.a4mobile a{padding:11px;border-bottom:1px solid #eceef1;font-size:14px;font-weight:650}.a4pop{display:none;position:absolute;right:0;top:48px;width:min(360px,calc(100vw - 30px));max-height:430px;overflow:auto;border:1px solid #e5e7eb;border-radius:13px;background:#fff;box-shadow:0 18px 50px #1113}.a4pop.open{display:block}.a4pophead{display:flex;justify-content:space-between;align-items:center;padding:13px 15px;border-bottom:1px solid #e5e7eb}.a4pophead strong{font-size:14px}.a4pophead button{border:0;background:none;color:#b8431f;font-size:11px;font-weight:800}.a4notice{display:block;padding:12px 15px;border-bottom:1px solid #eceef1}.a4notice.unread{background:#fff5ef}.a4notice strong{display:block;font-size:12px}.a4notice span{display:block;margin-top:3px;color:#6b7280;font-size:11px;line-height:1.45}.a4empty{padding:25px;text-align:center;color:#777;font-size:12px}@media(max-width:850px){.a4nav{display:none}.a4menu{display:block}.a4live span{display:none}}@media(max-width:560px){.a4row{height:60px;padding:0 16px;gap:10px}.a4logo img{width:118px}.a4mini nav{justify-content:flex-start;overflow:auto;padding:6px 16px}.a4actions{gap:5px}.a4live{padding:11px}.a4icon{width:37px;height:37px}}