/**
 * 站点Banner样式
 * 位置：页面最顶部，导航栏上方
 * 高度：50px
 */

/* Banner容器 */
.site-banner-container {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1031; /* 高于导航栏(1030) */
    transition: opacity 0.3s ease-in-out;
}

/* Banner主体 */
.site-banner {
    height: 50px;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    animation: slideDown 0.3s ease-out;
    position: relative;
}

/* Banner内容区域 */
.site-banner-content {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    overflow: hidden;
}

/* Banner链接 */
.site-banner-link {
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: opacity 0.2s;
}

.site-banner-link:hover {
    opacity: 0.9;
    text-decoration: underline;
}

/* Banner图标 */
.site-banner-icon {
    font-size: 20px;
    flex-shrink: 0;
}

/* Banner文本 */
.site-banner-text {
    font-size: 14px;
    font-weight: 500;
    line-height: 1.4;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Banner关闭按钮 */
.site-banner-close {
    background: none;
    border: none;
    color: inherit;
    cursor: pointer;
    padding: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    transition: background-color 0.2s;
    flex-shrink: 0;
    margin-left: 10px;
}

.site-banner-close:hover {
    background-color: rgba(0, 0, 0, 0.1);
}

.site-banner-close:active {
    background-color: rgba(0, 0, 0, 0.2);
}

/* Banner指示器（多个Banner时显示） */
.site-banner-indicators {
    display: flex;
    gap: 6px;
    align-items: center;
    margin-left: 15px;
    flex-shrink: 0;
}

.site-banner-indicators .indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s;
}

.site-banner-indicators .indicator:hover {
    background-color: rgba(255, 255, 255, 0.7);
    transform: scale(1.2);
}

.site-banner-indicators .indicator.active {
    background-color: rgba(255, 255, 255, 1);
    width: 20px;
    border-radius: 4px;
}

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

/* 响应式设计 - 移动端 */
@media (max-width: 768px) {
    .site-banner {
        padding: 0 15px;
    }

    .site-banner-text {
        font-size: 13px;
    }

    .site-banner-icon {
        font-size: 18px;
    }

    .site-banner-indicators {
        margin-left: 10px;
        gap: 4px;
    }

    .site-banner-indicators .indicator {
        width: 6px;
        height: 6px;
    }

    .site-banner-indicators .indicator.active {
        width: 16px;
    }
}

/* 超小屏幕 */
@media (max-width: 480px) {
    .site-banner {
        height: 60px; /* 移动端稍微高一点，避免文字被截断 */
        padding: 0 10px;
    }

    .site-banner-text {
        font-size: 12px;
        white-space: normal;
        overflow: visible;
        text-overflow: clip;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
    }

    .site-banner-close {
        padding: 6px;
    }

    .site-banner-indicators {
        display: none; /* 移动端隐藏指示器以节省空间 */
    }
}

/* 打印时隐藏Banner */
@media print {
    .site-banner-container {
        display: none !important;
    }
}