/* 公告弹窗专用样式 */
.announcement-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.announcement-modal.show {
    opacity: 1;
    visibility: visible;
}

.announcement-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
}

.announcement-content {
    position: relative;
    background: var(--background);
    border-radius: var(--radius-inner);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    max-width: 600px;
    width: 90%;
    max-height: 80vh;
    overflow: hidden;
    border: 1px solid var(--classC);
    transform: scale(0.9);
    transition: transform 0.3s ease;
}

.announcement-modal.show .announcement-content {
    transform: scale(1);
}

.announcement-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 25px 15px;
    border-bottom: 1px solid var(--classC);
    background: var(--classD);
}

.announcement-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 18px;
    font-weight: 600;
    color: var(--main);
}

.announcement-close {
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
    border-radius: var(--radius-inner);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.announcement-close:hover {
    background: var(--classC);
}

.announcement-close svg {
    color: var(--minor);
    transition: color 0.3s ease;
}

.announcement-close:hover svg {
    color: var(--main);
}

.announcement-body {
    padding: 20px 25px;
    max-height: 60vh;
    overflow-y: auto;
}

.announcement-body::-webkit-scrollbar {
    width: 6px;
}

.announcement-body::-webkit-scrollbar-track {
    background: var(--classD);
    border-radius: 3px;
}

.announcement-body::-webkit-scrollbar-thumb {
    background: var(--classC);
    border-radius: 3px;
}

.announcement-body::-webkit-scrollbar-thumb:hover {
    background: var(--minor);
}

.announcement-item {
    margin-bottom: 25px;
}

.announcement-item:last-child {
    margin-bottom: 0;
}

.announcement-time {
    font-size: 13px;
    color: var(--minor);
    margin-bottom: 10px;
    background: var(--classD);
    padding: 5px 10px;
    border-radius: var(--radius-inner-s);
    display: inline-block;
}

.announcement-subtitle {
    font-size: 16px;
    font-weight: 600;
    color: var(--main);
    margin: 0 0 12px 0;
}

.announcement-text {
    color: var(--routine);
    line-height: 1.6;
    font-size: 14px;
}

.announcement-text p {
    margin: 0 0 12px 0;
}

.announcement-text p:last-child {
    margin-bottom: 0;
}

.announcement-text ul {
    margin: 12px 0;
    padding-left: 20px;
}

.announcement-text li {
    margin-bottom: 8px;
    color: var(--routine);
}

.announcement-text strong {
    color: var(--main);
    font-weight: 600;
}

.announcement-footer {
    padding: 15px 25px 20px;
    border-top: 1px solid var(--classC);
    background: var(--classD);
    text-align: center;
}

.announcement-btn {
    background: var(--theme);
    color: white;
    border: none;
    padding: 10px 30px;
    border-radius: var(--radius-inner);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.announcement-btn:hover {
    opacity: 0.9;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(var(--theme-rgb), 0.3);
}

/* 响应式设计 */
@media (max-width: 768px) {
    .announcement-content {
        width: 95%;
        max-height: 90vh;
    }
    
    .announcement-header {
        padding: 15px 20px 12px;
    }
    
    .announcement-title {
        font-size: 16px;
    }
    
    .announcement-body {
        padding: 15px 20px;
        max-height: 50vh;
    }
    
    .announcement-footer {
        padding: 12px 20px 15px;
    }
    
    .announcement-subtitle {
        font-size: 15px;
    }
    
    .announcement-text {
        font-size: 13px;
    }
}