.announcement-icon{position:relative;width:36px;height:36px;background:linear-gradient(135deg,#2e7df614,#6bcb770d);border:1px solid rgba(46,125,246,.2);border-radius:10px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .3s cubic-bezier(.4,0,.2,1)}.announcement-icon:hover{background:linear-gradient(135deg,#2e7df61f,#6bcb7714);border-color:#2e7df659;transform:translateY(-1px);box-shadow:0 4px 12px #2e7df626}.announcement-icon:active{transform:translateY(0) scale(.98);box-shadow:0 2px 6px #2e7df61a}.announcement-icon svg{width:18px;height:18px;color:#2e7df6;transition:all .3s ease}.announcement-icon:hover svg{color:#1e5fc7;transform:scale(1.05)}.announcement-badge{position:absolute;top:-6px;right:-6px;min-width:16px;height:16px;padding:0 4px;background:linear-gradient(135deg,#ff4d4f,#ff6b6b);border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:10px;font-weight:700;color:#fff;border:2px solid var(--bg-white, #fff);box-shadow:0 2px 6px #ff4d4f59;animation:pulse 2s ease-in-out infinite;z-index:2}@keyframes pulse{0%,to{transform:scale(1);box-shadow:0 2px 6px #ff4d4f59}50%{transform:scale(1.08);box-shadow:0 3px 10px #ff4d4f73}}.announcement-modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:none;align-items:center;justify-content:center;z-index:1001;opacity:0;transition:opacity .3s ease}.announcement-modal-overlay.active{display:flex;opacity:1}.announcement-modal{background:var(--bg-white, #fff);border-radius:32px;width:100%;max-width:560px;max-height:80vh;overflow:hidden;box-shadow:0 24px 80px #0003;transform:scale(.9);transition:transform .3s ease;display:flex;flex-direction:column}.announcement-modal-overlay.active .announcement-modal{transform:scale(1)}.announcement-modal-header{padding:24px;border-bottom:1px solid var(--border, #E8ECF4);display:flex;align-items:center;justify-content:space-between}.announcement-modal-title{font-size:18px;font-weight:700;color:var(--text-primary, #1A1A2E);display:flex;align-items:center;gap:10px}.announcement-modal-title svg{width:22px;height:22px;color:#2e7df6}.announcement-modal-close{width:32px;height:32px;border:none;background:#0000000f;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .3s ease}.announcement-modal-close:hover{background:#0000001a;transform:rotate(90deg)}.announcement-modal-close svg{width:16px;height:16px;color:var(--text-secondary, #4A4A68)}.announcement-modal-body{padding:20px 24px;overflow-y:auto;flex:1}.announcement-list{display:flex;flex-direction:column;gap:16px}.announcement-item{background:var(--bg-primary, #F8FAFF);border:1px solid var(--border, #E8ECF4);border-radius:16px;padding:16px;transition:all .3s ease}.announcement-item:hover{border-color:#5b9dfe;box-shadow:0 2px 8px #2e7df614}.announcement-item.new{border-left:3px solid #2E7DF6}.announcement-item-header{display:flex;align-items:center;gap:8px;margin-bottom:8px}.announcement-item-type{padding:2px 8px;border-radius:4px;font-size:11px;font-weight:600}.announcement-item-type.update{background:#00d68f26;color:#00d68f}.announcement-item-type.feature{background:#2e7df626;color:#2e7df6}.announcement-item-type.tip{background:#faad1426;color:#faad14}.announcement-item-type.default{background:#8a8aa326;color:#8a8aa3}.announcement-item-title{font-size:15px;font-weight:600;color:var(--text-primary, #1A1A2E);margin-bottom:8px;display:flex;align-items:center;gap:6px}.announcement-item-content{font-size:13px;color:var(--text-secondary, #4A4A68);line-height:1.6;margin-bottom:10px}.announcement-item-time{font-size:12px;color:var(--text-light, #8A8AA3)}.new-dot{width:6px;height:6px;background:#ff4d4f;border-radius:50%;display:inline-block}.announcement-empty{text-align:center;padding:48px 24px;color:var(--text-secondary, #4A4A68)}.announcement-loading{display:flex;align-items:center;justify-content:center;padding:48px;color:var(--text-secondary, #4A4A68)}.announcement-loading svg{width:24px;height:24px;margin-right:10px;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}