/* 公告横幅样式 */
.announcement-banner {
    padding: 12px 20px;
    display: flex !important;
    flex-direction: row !important;
    align-items: center !important;
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    border-bottom: 2px solid #dee2e6;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    animation: slideDown 0.5s ease-out;
    border-radius: 8px;
    margin-bottom: 20px;
    max-width: 1200px;
    margin: 0 auto 20px;
    box-sizing: border-box;
}

.announcement-banner .announcement-header {
    font-weight: 700;
    margin-right: 20px;
    white-space: nowrap;
    font-size: 16px;
    color: #007bff !important;
    font-weight: 600;
    -webkit-text-fill-color: #007bff !important;
    background: none !important;
    text-shadow: 0 1px 2px rgba(0, 123, 255, 0.3) !important;
    border-right: 2px solid #dee2e6 !important;
    padding-right: 20px !important;
    position: relative;
    animation: headerPulse 2s ease-in-out infinite alternate;
}

.announcement-banner .announcement-scroll-container {
    flex: 1;
    overflow: hidden;
    white-space: nowrap;
    position: relative;
    padding-left: 20px !important;
}

.announcement-banner .announcement-scroll-container #announcementText {
    display: inline-block;
    animation: scrollLeft 20s linear infinite;
    padding-right: 100%;
    font-size: 14px;
    line-height: 1.4;
    font-weight: 500;
    background: linear-gradient(90deg, #007bff, #0056b3);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 10px rgba(0, 123, 255, 0.5);
    will-change: transform;
    transform: translateZ(0);
}

.announcement-banner .announcement-scroll-container::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 30px;
    background: linear-gradient(to right, rgba(248, 249, 250, 0.8), transparent);
    z-index: 1;
}

.announcement-banner .announcement-scroll-container::after {
    content: '';
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    width: 30px;
    background: linear-gradient(to left, rgba(248, 249, 250, 0.8), transparent);
    z-index: 1;
}

@keyframes scrollLeft {
    0% {
        transform: translateX(100%);
    }
    100% {
        transform: translateX(-100%);
    }
}

@keyframes textGlow {
    from {
        text-shadow: 0 0 10px rgba(0, 123, 255, 0.5), 0 0 20px rgba(0, 123, 255, 0.3);
    }
    to {
        text-shadow: 0 0 20px rgba(0, 123, 255, 0.8), 0 0 40px rgba(0, 123, 255, 0.6), 0 0 60px rgba(0, 123, 255, 0.4);
    }
}

@keyframes headerPulse {
    from {
        transform: scale(1);
        text-shadow: 0 1px 2px rgba(0, 123, 255, 0.3);
    }
    to {
        transform: scale(1.05);
        text-shadow: 0 2px 4px rgba(0, 123, 255, 0.6), 0 0 20px rgba(0, 123, 255, 0.4);
    }
}

/* 动画效果 */
@keyframes slideDown {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .announcement-banner {
        padding: 10px 15px;
        border-radius: 6px;
        margin-bottom: 15px;
        background: linear-gradient(135deg, #f8f9fa, #e9ecef);
        border-bottom: 2px solid #dee2e6;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
        max-width: none;
        width: 100%;
        margin: 0 0 15px;
    }
    
    .announcement-banner .announcement-header {
        font-size: 14px;
        margin-right: 15px;
        padding-right: 15px !important;
        border-right: 1px solid #dee2e6 !important;
        color: #007bff !important;
        -webkit-text-fill-color: #007bff !important;
        text-shadow: 0 1px 2px rgba(0, 123, 255, 0.3) !important;
    }
    
    .announcement-banner .announcement-scroll-container {
        padding-left: 15px !important;
    }
    
    .announcement-banner .announcement-scroll-container #announcementText {
        font-size: 13px;
        animation: scrollLeft 15s linear infinite;
        background: linear-gradient(90deg, #007bff, #0056b3);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
        text-shadow: 0 0 10px rgba(0, 123, 255, 0.5);
        will-change: transform;
        transform: translateZ(0);
    }
    
    .announcement-banner .announcement-scroll-container::before,
    .announcement-banner .announcement-scroll-container::after {
        width: 20px;
        background: linear-gradient(to right, rgba(248, 249, 250, 0.8), transparent);
    }
    
    .announcement-banner .announcement-scroll-container::after {
        background: linear-gradient(to left, rgba(248, 249, 250, 0.8), transparent);
    }
}

@media (max-width: 480px) {
    .announcement-banner {
        padding: 10px;
        border-radius: 4px;
        margin-bottom: 10px;
        flex-direction: column !important;
        align-items: flex-start !important;
        background: linear-gradient(135deg, #f8f9fa, #e9ecef);
        border-bottom: 2px solid #dee2e6;
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
        max-width: none;
        width: 100%;
        margin: 0 0 10px;
    }
    
    .announcement-banner .announcement-header {
        font-size: 12px;
        margin-right: 0 !important;
        padding-right: 0 !important;
        border-right: none !important;
        margin-bottom: 8px;
        width: 100%;
        border-bottom: 1px solid #dee2e6;
        padding-bottom: 6px;
        color: #007bff !important;
        -webkit-text-fill-color: #007bff !important;
        text-shadow: 0 1px 2px rgba(0, 123, 255, 0.3) !important;
    }
    
    .announcement-banner .announcement-scroll-container {
        padding-left: 0 !important;
        width: 100%;
    }
    
    .announcement-banner .announcement-scroll-container #announcementText {
        font-size: 11px;
        animation: scrollLeft 12s linear infinite;
        background: linear-gradient(90deg, #007bff, #0056b3);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
        text-shadow: 0 0 10px rgba(0, 123, 255, 0.5);
        will-change: transform;
        transform: translateZ(0);
    }
    
    .announcement-banner .announcement-scroll-container::before,
    .announcement-banner .announcement-scroll-container::after {
        width: 15px;
        background: linear-gradient(to right, rgba(248, 249, 250, 0.8), transparent);
    }
    
    .announcement-banner .announcement-scroll-container::after {
        background: linear-gradient(to left, rgba(248, 249, 250, 0.8), transparent);
    }
}