/* ================================
   Tailwind 风格 Banner 样式
   Banner 显示在 header 内部最上方
   ================================ */

.banner-notice {
    /* 相对定位，在header内部流式排列 */
    position: relative;
    width: 100%;
    /* 深色半透明背景 */
    background: rgba(31, 41, 55, 0.9);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    padding: 12px 24px;
    margin-bottom: 0;
    box-sizing: border-box;
    overflow: hidden;
    isolation: isolate;
    /* 底部细线 */
    box-shadow: inset 0 -1px 0 rgba(255, 255, 255, 0.1);
    /* 默认隐藏 */
    display: none;
    transition: all 0.3s ease;
    max-height: 0;
    opacity: 0;
}

/* 显示状态 */
.banner-notice.banner-visible {
    display: block;
    max-height: 300px;
    opacity: 1;
}

/* 装饰性模糊背景 */
.banner-blur-bg {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 580px;
    height: 310px;
    background: linear-gradient(135deg, #ff80b5 0%, #9089fc 100%);
    opacity: 0.25;
    filter: blur(60px);
    z-index: -1;
    clip-path: polygon(74.8% 41.9%, 97.2% 73.2%, 100% 34.9%, 92.5% 0.4%, 87.5% 0%, 75% 28.6%, 58.5% 54.6%, 50.1% 56.8%, 46.9% 44%, 48.3% 17.4%, 24.7% 53.9%, 0% 27.9%, 11.9% 74.2%, 24.9% 54.1%, 68.6% 100%, 74.8% 41.9%);
}

.banner-blur-left {
    left: max(-7rem, calc(50% - 52rem));
}

.banner-blur-right {
    left: max(45rem, calc(50% + 8rem));
}

/* 内容容器 */
.banner-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1400px;
    margin: 0 auto;
    gap: 20px;
}

.banner-content {
    display: flex;
    flex-direction: row;
    gap: 15px;
    flex: 1;
    align-items: center;
    flex-wrap: nowrap;
    justify-content: center;
}

/* 文本样式 */
.banner-text {
    font-size: 14px;
    line-height: 1.6;
    color: rgba(243, 244, 246, 0.95);
    margin: 0;
    display: flex;
    align-items: center;
    flex-wrap: nowrap;
    gap: 8px;
    white-space: nowrap;
}

.banner-text strong {
    font-weight: 600;
    color: #fff;
}

/* 分隔圆点 */
.banner-dot {
    display: inline-block;
    width: 4px;
    height: 4px;
    background: currentColor;
    border-radius: 50%;
    opacity: 0.6;
}

/* 链接样式 */
.banner-link {
    color: #a5b4fc;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
}

.banner-link:hover {
    color: #c4b5fd;
    text-decoration: underline;
}

/* 按钮组 */
.banner-buttons {
    display: flex;
    flex-wrap: nowrap;
    align-items: center;
    gap: 10px;
    white-space: nowrap;
}

/* 下载提示文字 */
.banner-download-text {
    font-size: 13px;
    color: rgba(243, 244, 246, 0.8);
    margin-right: 4px;
}

/* 按钮样式 */
.banner-btn {
    display: inline-flex;
    align-items: center;
    padding: 6px 14px;
    font-size: 13px;
    font-weight: 500;
    color: #fff;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 9999px;
    text-decoration: none;
    transition: all 0.2s ease;
    box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.15);
}

.banner-btn:hover {
    background: rgba(255, 255, 255, 0.18);
    transform: translateY(-1px);
}

/* 关闭按钮容器 */
.banner-close-wrapper {
    flex-shrink: 0;
    margin-left: 12px;
}

/* 关闭按钮 */
.banner-close-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    margin: -8px;
    padding: 8px;
    background: transparent;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    color: rgba(243, 244, 246, 0.8);
    transition: all 0.2s ease;
}

.banner-close-btn:hover {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
}

.banner-close-btn:focus-visible {
    outline: 2px solid #fff;
    outline-offset: -4px;
}

.banner-close-btn svg {
    width: 20px;
    height: 20px;
}

/* main的位置不受影响，因为banner在header内部 */

/* 移动端样式 */
@media screen and (max-width: 768px) {
    .banner-notice {
        padding: 12px 16px;
        padding-right: 48px; /* 为关闭按钮留出空间 */
    }
    
    .banner-inner {
        flex-direction: row;
        align-items: center;
        gap: 10px;
    }
    
    .banner-content {
        flex-direction: column;
        gap: 10px;
        flex: 1;
        flex-wrap: wrap;
        width: 100%;
    }
    
    .banner-text {
        font-size: 12px;
        line-height: 1.6;
        display: flex;
        align-items: center;
        flex-wrap: wrap;
        white-space: normal;
        width: 100%;
    }
    
    .banner-text strong {
        display: inline-block;
        margin-right: 6px;
    }
    
    /* 移动端显示分隔点 */
    .banner-dot {
        display: inline-block;
    }
    
    .banner-buttons {
        display: flex;
        flex-wrap: wrap;
        gap: 6px;
        width: 100%;
        margin-left: 0;
        justify-content: flex-start;
    }
    
    .banner-download-text {
        font-size: 11px;
        margin-right: 4px;
        color: rgba(243, 244, 246, 0.7);
        width: 100%;
        margin-bottom: 6px;
        display: block;
    }
    
    .banner-btn {
        flex: none;
        min-width: 60px;
        padding: 5px 12px;
        font-size: 10px;
        text-align: center;
        justify-content: center;
    }
    
    .banner-close-wrapper {
        position: absolute;
        top: 10px;
        right: 10px;
        margin-left: 0;
    }
    
    .banner-close-btn {
        width: 28px;
        height: 28px;
        padding: 6px;
    }
    
    .banner-close-btn svg {
        width: 16px;
        height: 16px;
    }
    
    /* 移动端保持装饰性背景 */
    .banner-blur-bg {
        display: block;
        width: 300px;
        height: 150px;
    }
    
    .banner-blur-left {
        left: -10rem;
    }
    
    .banner-blur-right {
        left: 15rem;
    }
}

/* 法律声明提醒样式 */
.legal-notice {
    background-color: #d1ecf1;
    border: 1px solid #bee5eb;
    border-left: 5px solid #0c5460;
    padding: 15px;
    margin: 30px 0;
    font-size: 14px;
    color: #0c5460;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    /* 默认隐藏，防止页面加载时闪烁 */
    display: none;
}

.legal-content {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.legal-text {
    margin: 0;
    line-height: 1.5;
}

.legal-text strong {
    color: #0c5460;
}

/* 移动端法律声明样式 */
@media screen and (max-width: 956px) {
    .legal-notice {
        padding: 12px;
        font-size: 13px;
        margin: 20px 0;
    }
}