/* 公告页面专用样式 */
.announcement-header {
    background: linear-gradient(to right, #3a3b3d, #3a3b3d);
    color: white;
    padding: 15px 20px;
    display: flex;
    align-items: center;
    gap: 20px;
    border-bottom: 1px solid var(--primary-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.back-button {
    background: rgba(255, 215, 0, 0.2);
    border: 1px solid var(--primary-color);
    color: var(--primary-color);
    padding: 8px 15px;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 5px;
}

.back-button:hover {
    background: rgba(255, 215, 0, 0.4);
    transform: translateX(-3px);
}

.announcement-page {
    max-width: 900px;
    margin: 20px auto;
    padding: 0 20px;
}

.announcement-card {
    background: rgba(30, 30, 30, 0.7);
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 25px;
    border-left: 4px solid var(--primary-color);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.announcement-meta {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 10px;
    font-size: 0.9rem;
    color: #aaa;
}

.announcement-tag {
    padding: 3px 10px;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: bold;
}

.announcement-tag.maintenance {
    background: rgba(255, 100, 100, 0.2);
    color: #ff6464;
}

.announcement-tag.activity {
    background: rgba(100, 255, 100, 0.2);
    color: #64ff64;
}

.announcement-tag.update {
    background: rgba(100, 100, 255, 0.2);
    color: #6464ff;
}

.announcement-title {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 1.5rem;
}

.announcement-content {
    line-height: 1.6;
}

.announcement-content p {
    margin-bottom: 10px;
}

.announcement-image {
    max-width: 100%;
    border-radius: 5px;
    margin: 15px 0;
    border: 1px solid rgba(255, 215, 0, 0.3);
}

.announcement-warning {
    background: rgba(255, 215, 0, 0.1);
    border-left: 3px solid var(--primary-color);
    padding: 10px;
    margin: 15px 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

.announcement-footer {
    text-align: center;
    padding: 15px;
    color: #ffffff;
    font-size: 0.9rem;
    border-top: 1px solid rgba(255, 215, 0, 0.1);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .announcement-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }
    
    .announcement-card {
        padding: 15px;
    }
    
    .announcement-title {
        font-size: 1.3rem;
    }
}