/* Breadcrumb Navigation Styles */
/* 面包屑导航样式 - 与主题内容一体化设计 */

.breadcrumb-nav {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 1.25rem 0;
    border-bottom: 1px solid #dee2e6;
    margin-bottom: 1.5rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    position: relative;
    margin-bottom: -2px;
}

.breadcrumb-nav::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
}

.breadcrumb-nav::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
}

.breadcrumb-nav .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
    display: flex;
    align-items: center;
    min-height: 40px;
}

.breadcrumb {
    display: flex;
    align-items: center;
    list-style: none;
    padding: 0;
    margin: 0;
    font-size: 0.875rem;
    text-align: left;
    width: 100%;
    min-height: 32px;
}

.breadcrumb-item {
    display: flex;
    align-items: center;
    color: #6b7280;
    line-height: 1.5;
}

.breadcrumb-item:not(:last-child)::after {
    content: ">";
    margin: 0 0.75rem;
    color: #9ca3af;
    font-weight: 400;
    font-size: 0.75rem;
    transform: translateY(-1px);
}

.breadcrumb-link {
    color: #6b7280;
    text-decoration: none;
    display: flex;
    align-items: center;
    transition: all 0.3s ease;
    font-weight: 500;
    padding: 0.375rem 0.5rem;
    border-radius: 6px;
    position: relative;
}

.breadcrumb-link:hover {
    color: #667eea;
    text-decoration: none;
    background: rgba(102, 126, 234, 0.1);
    transform: translateY(-1px);
}

.breadcrumb-link i {
    margin-right: 0.5rem;
    font-size: 0.875rem;
    color: #9ca3af;
    transition: all 0.3s ease;
}

.breadcrumb-link:hover i {
    color: #667eea;
    transform: scale(1.1);
}

.breadcrumb-current {
    color: #374151;
    font-weight: 600;
    padding: 0.375rem 0.75rem;
    background: rgba(102, 126, 234, 0.15);
    border-radius: 6px;
    border: 1px solid rgba(102, 126, 234, 0.2);
}

.breadcrumb-item.active {
    color: #374151;
}

.breadcrumb-item.active .breadcrumb-current {
    color: #2c3e50;
    font-weight: 600;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.2) 0%, rgba(118, 75, 162, 0.2) 100%);
    border-color: rgba(102, 126, 234, 0.3);
}

/* 移除红色样式，统一颜色主题 */
.breadcrumb-link span {
    color: inherit !important;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .breadcrumb-nav {
        padding: 1rem 0;
        margin-top: -80px;
        cursor: pointer;
        transition: all 0.3s ease;
    }
    
    .breadcrumb-nav:hover {
        background: linear-gradient(135deg, #e9ecef 0%, #dee2e6 100%);
    }
    
    .breadcrumb-nav .container {
        padding: 0 0.75rem;
        min-height: 36px;
        position: relative;
    }
    
    .breadcrumb-nav .container::after {
        content: '▼';
        position: absolute;
        right: 1rem;
        top: 50%;
        transform: translateY(-50%);
        font-size: 0.8rem;
        color: #667eea;
        transition: transform 0.3s ease;
    }
    
    .breadcrumb-nav.expanded .container::after {
        transform: translateY(-50%) rotate(180deg);
    }
    
    .breadcrumb {
        font-size: 0.8rem;
        flex-wrap: wrap;
        min-height: 28px;
        max-height: 28px;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }
    
    .breadcrumb-nav.expanded .breadcrumb {
        max-height: 200px;
        padding-bottom: 0.5rem;
    }
    
    .breadcrumb-item:not(:last-child)::after {
        margin: 0 0.5rem;
        font-size: 0.7rem;
    }
    
    /* 移动端下拉菜单样式 */
    .breadcrumb-nav.expanded {
        background: white;
        box-shadow: 0 4px 12px rgba(0,0,0,0.15);
        border-radius: 0 0 10px 10px;
        z-index: 1000;
    }
    
    .breadcrumb-nav.expanded .breadcrumb-item {
        width: 100%;
        margin-bottom: 0.5rem;
    }
    
    .breadcrumb-nav.expanded .breadcrumb-link {
        display: block;
        width: 100%;
        padding: 0.75rem 1rem;
        background: #f8f9fa;
        border-radius: 6px;
        margin-bottom: 0.25rem;
        border: 1px solid #e9ecef;
    }
    
    .breadcrumb-nav.expanded .breadcrumb-link:hover {
        background: #667eea;
        color: white;
        transform: translateX(5px);
    }
    
    .breadcrumb-link {
        padding: 0.25rem 0.375rem;
    }
    
    .breadcrumb-link i {
        margin-right: 0.25rem;
        font-size: 0.8rem;
    }
    
    .breadcrumb-current {
        padding: 0.25rem 0.5rem;
        font-size: 0.8rem;
    }
}

@media (max-width: 480px) {
    .breadcrumb-nav {
        padding: 0.875rem 0;
    }
    
    .breadcrumb-nav .container {
        min-height: 32px;
    }
    
    .breadcrumb {
        font-size: 0.75rem;
        min-height: 24px;
    }
    
    .breadcrumb-link {
        padding: 0.2rem 0.3rem;
    }
    
    .breadcrumb-current {
        padding: 0.2rem 0.4rem;
        font-size: 0.75rem;
    }
    
    /* 在极小屏幕上隐藏图标以节省空间 */
    .breadcrumb-link i {
        display: none;
    }
    
    .breadcrumb-item:not(:last-child)::after {
        margin: 0 0.375rem;
        font-size: 0.65rem;
    }
}

/* 与主题内容一体化 - 确保与页面整体设计协调 */
.site-main .breadcrumb-nav {
    background: transparent;
    border: none;
    box-shadow: none;
}

/* 针对不同页面类型的样式调整 - 移除下边距让面包屑贴紧下方内容 */
.category-page .breadcrumb-nav,
.product-page .breadcrumb-nav,
.information-page .breadcrumb-nav {
    margin-bottom: 0;
}

/* 确保面包屑在所有背景下都清晰可见 */
.breadcrumb-nav {
    position: relative;
    z-index: 10;
}

/* 可访问性改进 */
.breadcrumb-link:focus {
    outline: 2px solid #3498db;
    outline-offset: 2px;
    border-radius: 2px;
}

/* 打印样式 */
@media print {
    .breadcrumb-nav {
        display: none;
    }
}