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8px;border-radius:4px;font-size:11px;font-weight:500}.item-date{display:flex;align-items:center;gap:4px;font-size:12px;color:var(--ink-faint)}.item-title{font-size:15px;font-weight:600;color:var(--ink);margin:0 0 6px;line-height:1.4;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}.item-summary{font-size:13px;color:var(--ink-light);line-height:1.5;margin:0 0 6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.item-extra{font-size:12px;color:var(--ink-faint);line-height:1.4;margin:0;padding:6px 10px;background:var(--paper-light);border-radius:var(--radius-sm);border-left:2px solid var(--accent-color, var(--cinnabar))}.popup-footer{padding:20px 32px 24px;border-top:1px solid var(--border-light);display:flex;justify-content:center}.popup-close-btn-lg{background:linear-gradient(135deg,var(--cinnabar) 0%,var(--seal) 100%);color:#fff;border:none;border-radius:var(--radius-md);padding:12px 48px;font-size:15px;font-weight:600;letter-spacing:.1em;cursor:pointer;transition:opacity .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease)}.popup-close-btn-lg:hover{opacity:.92;transform:translateY(-1px);box-shadow:0 6px 18px #c75b3a52}.popup-close-btn-lg:active{transform:translateY(0)}@media(max-width:768px){.notice-bar{padding:9px 16px}.page-banner{padding:32px 20px 28px}.banner-content{flex-direction:column;text-align:center;gap:14px}.banner-text .page-title{font-size:26px}.banner-stats{justify-content:center}.stat-item{padding:10px 14px;min-width:70px}.stat-number{font-size:20px}.search-filter-section,.results-header,.announcement-list-section{padding-left:20px;padding-right:20px}.announcement-grid{grid-template-columns:1fr}.detail-body{padding:20px 22px 24px}.popup-header{padding:20px 20px 16px}.popup-content{padding:16px 20px}.popup-footer{padding:16px 20px 20px}.popup-divider{margin:0 20px}}.message-toast-container{position:fixed;top:0;left:0;right:0;display:flex;justify-content:center;align-items:flex-start;padding-top:20px;z-index:1000;pointer-events:none;opacity:0;transition:opacity .3s ease}.message-toast-container.visible{opacity:1}.message-toast{display:inline-flex;align-items:center;padding:12px 20px;border-radius:var(--radius-sm);box-shadow:var(--shadow-lg);font-size:14px;font-weight:500;color:#fff;transform:translateY(-100%);transition:transform .3s ease;animation:slideUp .3s ease forwards,fadeOutUp .3s ease 2.7s forwards}.message-toast-success{background-color:var(--jade)}.message-toast-error{background-color:#f5222d}.message-toast-warning{background-color:#d97706}.message-toast-info{background-color:var(--indigo)}@keyframes slideUp{0%{transform:translateY(-100%)}to{transform:translateY(0)}}@keyframes fadeOutUp{0%{transform:translateY(0);opacity:1}to{transform:translateY(-100%);opacity:0}}.message-toast-content{margin:0;padding:0}