.announcement_wrapper 
{
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    animation: fade_in 0.5s ease-out;
}

.announcement_box 
{
    width: 90%;
    max-width: 900px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    animation: scale_up 0.5s ease-out;
}

.announcement_header 
{
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    background: linear-gradient(90deg, rgba(38,109,125,1),rgba(38,109,125,0.5));
    color: white;
}

.announcement_title 
{
    font-size: 14px;
    font-weight: 600;
}

.close_button 
{
    background: none;
    border: none;
    color: white;
    font-size: 20px;
    cursor: pointer;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: background 0.3s;
}

.close_button:hover 
{
    background: rgba(255, 255, 255, 0.2);
}

.announcement_content 
{
    display: flex;
    flex-wrap: wrap;
    padding: 0;
}

.left_section, .right_section 
{
    flex: 1;
    min-width: 300px;
    padding: 25px;
}

.left_section 
{
    background: #f8f9fa;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    animation: slide_in_left 0.7s ease-out;
}

.qrcode_title 
{
    font-size: 14px;
    color: #1a73e8;
    margin-bottom: 20px;
    font-weight: 600;
}

.qrcode_image 
{
    width: 180px;
    height: 180px;
    background: #e0e0e0;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 20px;
    border-radius: 8px;
    overflow: hidden;
    animation: pulse 2s infinite;
    content: url("../../../topic_circle/group_qrcode_1.png");    
}

.qrcode_image img 
{
    max-width: 100%;
    max-height: 100%;
}

.qrcode_text 
{
    font-size: 12px;
    color: #555;
    line-height: 1.5;
}

.right_section 
{
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.host_section 
{
    animation: slide_in_right 0.7s ease-out 0.2s both;
}

.host_title 
{
    font-size: 14px;
    color: #1a73e8;
    margin-bottom: 15px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
}

.host_content 
{
    display: flex;
    gap: 15px;
}

.host_image 
{
    width: 100px;
    height: 120px;
    background: #e0e0e0;
    border-radius: 8px;
    overflow: hidden;
    flex-shrink: 0;
    animation: fade_in 1s ease-out 0.5s both;
    content: url("../../../topic_circle/黎妃三.jpg");    
}

.host_image img 
{
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.host_description 
{
    flex: 1;
    font-size: 12px;
    line-height: 1.6;
    color: #444;
}

.members_section 
{
    animation: slide_in_right 0.7s ease-out 0.4s both;
}

.members_title 
{
    font-size: 14px;
    color: #1a73e8;
    margin-bottom: 15px;
    font-weight: 600;
}

.members_list 
{
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 10px;
}

.member_item 
{
    background: #f0f4f8;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 12px;
    color: #333;
    text-align: center;
}

.members_focus 
{
    margin-top: 15px;
    padding: 12px;
    background: #e8f0fe;
    border-radius: 6px;
    font-size: 12px;
    line-height: 1.5;
    color: #444;
}

.countdown 
{
    padding: 10px 20px;
    text-align: center;
    font-size: 12px;
    color: #666;
    border-top: 1px solid #eee;
    background: #f9f9f9;
}

.countdown_highlight 
{
    color: #1a73e8;
    font-weight: 600;
}

@keyframes fade_in 
{
    from 
    {
        opacity: 0;
    }
    to 
    {
        opacity: 1;
    }
}

@keyframes scale_up 
{
    from 
    {
        transform: scale(0.8);
        opacity: 0;
    }
    to 
    {
        transform: scale(1);
        opacity: 1;
    }
}

@keyframes slide_in_left 
{
    from 
    {
        transform: translateX(-50px);
        opacity: 0;
    }
    to 
    {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes slide_in_right 
{
    from 
    {
        transform: translateX(50px);
        opacity: 0;
    }
    to 
    {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes pulse 
{
    0% 
    {
        box-shadow: 0 0 0 0 rgba(26, 115, 232, 0.4);
    }
    70% 
    {
        box-shadow: 0 0 0 10px rgba(26, 115, 232, 0);
    }
    100% 
    {
        box-shadow: 0 0 0 0 rgba(26, 115, 232, 0);
    }
}