.news-flash-archive {
    background: #f5f5f5;
    padding: 2rem 0;
}
.container {
    max-width: 1200px; /* 加宽以容纳侧边栏 */
    margin: 0 auto;
    padding: 0 1rem;
}
.archive-header {
    text-align: center;
    margin-bottom: 2rem;
}
.archive-title {
    font-size: 2.2rem;
    font-weight: 500;
    color: #1e2a2e;
    margin: 0;
}
.archive-grid {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}
.main-content {
    flex: 2;
    min-width: 0;
}
.sidebar {
    flex: 1;
    min-width: 260px;
}
.sidebar-widget {
    background: #fff;
    border-radius: 8px;
    padding: 1rem 1.2rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}
.widget-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0 0 0.8rem 0;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid #eef2f6;
    color: #2c3e2f;
}
.widget-list {
    list-style: none;
    margin: 0;
    padding: 0;
}
.widget-list li {
    margin-bottom: 0.6rem;
}
.widget-list li a {
    text-decoration: none;
    color: #4a5568;
    transition: color 0.2s;
}
.widget-list li a:hover {
    color: #8b5a2b;
}
.daily-quote .widget-content p {
    margin: 0;
    line-height: 1.6;
    font-style: italic;
    color: #6c757d;
}
/* 快讯原有样式保持不变，但调整部分尺寸以适应新布局 */
.news-flash-list {
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    padding: 1rem 0;
}
.flash-date-group {
    margin: 0 1.5rem;
    padding: 1rem 0;
    border-bottom: 1px solid #eef2f6;
}
.flash-date-group:last-child {
    border-bottom: none;
}
.flash-date-title {
    font-size: 1.1rem;
    font-weight: 500;
    color: #6c757d;
    margin: 0 0 1rem 0;
    letter-spacing: 0.5px;
}
.flash-item {
    position: relative;
    display: flex;
    padding: 0.8rem 0;
    border-bottom: 1px solid #f0f0f0;
}
.flash-item:last-child {
    border-bottom: none;
}
.flash-timeline {
    position: relative;
    flex: 0 0 24px;
    margin-right: 10px;
}
.timeline-dot {
    position: absolute;
    top: 8px;
    left: 0;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #8b5a2b;
    z-index: 1;
}
.flash-item:not(:last-child) .flash-timeline::after {
    content: '';
    position: absolute;
    top: 18px;
    left: 4px;
    width: 2px;
    height: calc(100% + 0.8rem);
    background: #e2e8f0;
}
.flash-time {
    flex: 0 0 70px;
    font-size: 0.95rem;
    color: #8b5a2b;
    font-weight: 500;
}
.flash-content {
    flex: 1;
}
.flash-title {
    margin: 0 0 0.3rem;
    font-size: 1.1rem;
    font-weight: 500;
    line-height: 1.4;
}
.flash-title a {
    text-decoration: none;
    color: #1e2a2e;
}
.flash-title a:hover {
    color: #8b5a2b;
}
.flash-external-icon {
    display: inline-block;
    margin-left: 4px;
    font-size: 0.8rem;
    color: #8b5a2b;
}
.flash-external-icon i {
    font-size: 0.8rem;
}
.flash-excerpt {
    font-size: 0.95rem;
    color: #4a5568;
    line-height: 1.6;
    margin-bottom: 0.4rem;
}
.flash-link {
    font-size: 0.85rem;
    margin-bottom: 0.4rem;
}
.flash-link a {
    color: #8b5a2b;
    text-decoration: none;
}
.flash-link a:hover {
    text-decoration: underline;
}
.flash-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 8px;
    font-size: 0.85rem;
}
.share-label {
    color: #6c757d;
}
.share-icon {
    display: inline-block;
    width: 28px;
    height: 28px;
    line-height: 28px;
    text-align: center;
    border-radius: 4px;
    color: #6c757d;
    transition: all 0.2s;
    text-decoration: none;
    font-size: 1rem;
}
.share-icon:hover {
    color: #8b5a2b;
}
.flash-poster {
    background: none;
    border: none;
    font-size: 0.85rem;
    color: #8b5a2b;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    margin-left: 8px;
}
.flash-poster:hover {
    text-decoration: underline;
}
.flash-load-more {
    text-align: center;
    padding: 1.5rem 0;
    margin-top: 0.5rem;
}
.load-more-btn {
    display: inline-block;
    background: transparent;
    border: 1px solid #dcdfe6;
    border-radius: 20px;
    padding: 0.5rem 1.5rem;
    font-size: 0.9rem;
    color: #6c757d;
    cursor: pointer;
    transition: all 0.2s;
}
.load-more-btn:hover {
    background: #f5f5f5;
    border-color: #8b5a2b;
    color: #8b5a2b;
}
/* 海报弹窗样式 */
.poster-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.6);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
}
.poster-modal-content {
    background: #fff;
    border-radius: 16px;
    padding: 20px;
    max-width: 90%;
    max-height: 90%;
    overflow: auto;
    text-align: center;
}
.poster-image {
    max-width: 100%;
    height: auto;
    margin-bottom: 15px;
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}
.poster-buttons {
    display: flex;
    gap: 12px;
    justify-content: center;
}
.poster-buttons button {
    background: #8b5a2b;
    color: #fff;
    border: none;
    padding: 8px 20px;
    border-radius: 30px;
    cursor: pointer;
    font-size: 0.9rem;
}
.poster-buttons .close-modal {
    background: #6c757d;
}
.poster-buttons button:hover {
    opacity: 0.9;
}
/* 海报卡片样式（隐藏） */
.poster-card-hidden {
    position: fixed;
    top: -9999px;
    left: -9999px;
    width: 500px;
    background: #fff;
    border-radius: 12px;
    padding: 20px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.1);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
.poster-card {
    width: 500px;
    background: #fff;
    border-radius: 12px;
    padding: 20px;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
.poster-header {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid #eef2f6;
}
.poster-logo {
    font-weight: bold;
    color: #8b5a2b;
    font-size: 1.2rem;
}
.poster-date {
    font-size: 0.8rem;
    color: #6c757d;
}
.poster-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 12px;
    line-height: 1.4;
}
.poster-content {
    font-size: 0.9rem;
    color: #2c3e2f;
    line-height: 1.6;
    margin-bottom: 20px;
}
.poster-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 20px;
    padding-top: 12px;
    border-top: 1px solid #eef2f6;
}
.poster-footer-left {
    flex: 1;
}
.poster-footer-text {
    font-size: 0.75rem;
    color: #8b5a2b;
}
.poster-footer-qrcode {
    width: 70px;
    height: 70px;
    background: #f5f5f5;
    display: flex;
    align-items: center;
    justify-content: center;
}
@media (max-width: 768px) {
    .archive-grid {
        flex-direction: column;
    }
    .sidebar {
        width: 100%;
    }
    .flash-item {
        flex-wrap: wrap;
    }
    .flash-timeline {
        display: none;
    }
    .flash-time {
        flex: 0 0 100%;
        margin-bottom: 4px;
    }
    .flash-date-group {
        margin: 0 1rem;
    }
    .poster-card-hidden,
    .poster-card {
        width: 90%;
        margin: 0 auto;
    }
}