/* 导航栏背景色方案 - 保存在style.css中使用 */

/* 优化logo的全局样式 */
.logo {
    display: inline-flex;
    align-items: center;
    font-weight: 900 !important;
    text-decoration: none !important;
    position: relative;
    z-index: 10;
    padding: 4px 0;
    margin-right: 0;
    margin-left: 0;
    text-align: left;
    justify-content: flex-start;
}

.logo span {
    font-size: 1.75rem !important;
    font-weight: 900 !important;
    letter-spacing: 0.5px;
    line-height: 1.2;
    position: relative;
    z-index: 1;
    display: inline-block;
}

/* 确保'资讯'二字保持正常字体粗细 */
.logo span span {
    font-weight: normal !important;
    font-weight: 400 !important;
}

/* 方案1：时尚彩色渐变背景 */
.header-transparent-gradient {
    background: linear-gradient(135deg, rgba(168, 85, 247, 0.9) 0%, rgba(236, 72, 153, 0.9) 100%);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.header-transparent-gradient.scrolled {
    background: linear-gradient(135deg, rgba(139, 92, 246, 0.95) 0%, rgba(236, 72, 153, 0.95) 100%);
    box-shadow: 0 10px 25px -5px rgba(236, 72, 153, 0.4);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.header-transparent-gradient .logo {
    transform: scale(1.03);
}

.header-transparent-gradient .logo span {
    color: var(--white);
    padding: 4px 0;
}

.header-transparent-gradient .nav-menu a {
    color: rgba(255, 255, 255, 0.95);
    font-weight: 500;
    position: relative;
    text-align: left;
}

/* 移除交互动效，只保留基本的active状态样式 */
.header-transparent-gradient .nav-menu a.active {
    color: var(--white);
    font-weight: 600;
}

.header-transparent-gradient .search-icon {
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
}

/* 方案2：清新活力渐变背景 */
.header-brand-gradient {
    background: linear-gradient(135deg, #3b82f6 0%, #06b6d4 100%);
    box-shadow: 0 4px 20px -2px rgba(59, 130, 246, 0.3);
}

.header-brand-gradient .logo {
    transform: scale(1.03);
}

.header-brand-gradient .logo span {
    color: var(--white);
    padding: 4px 0;
}

.header-brand-gradient .nav-menu a {
    color: rgba(255, 255, 255, 0.95);
    font-weight: 500;
    position: relative;
    text-align: left;
}

/* 移除交互动效，只保留基本的active状态样式 */
.header-brand-gradient .nav-menu a.active {
    color: var(--white);
    font-weight: 600;
}

.header-brand-gradient .search-icon {
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
}

.header-brand-gradient .mobile-menu-toggle {
    background: rgba(255, 255, 255, 0.2);
}

.header-brand-gradient .mobile-menu-toggle span {
    background: var(--white);
}

/* 方案3：潮流霓虹渐变背景 */
.header-dark-transparent {
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.9) 0%, rgba(236, 72, 153, 0.9) 100%);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px -2px rgba(79, 70, 229, 0.3);
}

.header-dark-transparent .logo {
    transform: scale(1.03);
}

.header-dark-transparent .logo span {
    color: var(--white);
    padding: 4px 0;
}

.header-dark-transparent .nav-menu a {
    color: rgba(255, 255, 255, 0.95);
    font-weight: 500;
    position: relative;
    text-align: left;
}

/* 移除交互动效，只保留基本的active状态样式 */
.header-dark-transparent .nav-menu a.active {
    color: var(--white);
    font-weight: 600;
}

.header-dark-transparent .search-icon {
    background: rgba(255, 255, 255, 0.2);
    color: var(--white);
}

.header-dark-transparent .mobile-menu-toggle {
    background: rgba(255, 255, 255, 0.2);
}

.header-dark-transparent .mobile-menu-toggle span {
    background: var(--white);
}

/* 移动端适配 - 横向滚动导航 */
@media (max-width: 767px) {
    /* 基础横向滚动导航样式 - 适配垂直布局 */
    .nav-menu {
        display: flex;
        flex-wrap: nowrap;
        overflow-x: auto;
        white-space: nowrap;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none; /* Firefox */
        padding: 5px 0 10px 0;
        margin: 0;
        width: 100%;
        justify-content: flex-start; /* 确保内容从左侧开始 */
        align-items: center;
        direction: ltr; /* 确保从左到右的方向 */
        text-align: left;
    }
    
    /* 确保导航菜单中的列表项也靠左对齐 */
    .nav-menu li {
        margin: 0;
        padding: 0;
        display: inline-block;
        text-align: left;
        float: left;
        clear: none;
    }
    
    /* 确保导航菜单在移动设备上完全靠左 */
    .navbar {
        padding-left: 0;
        padding-right: 0;
        width: 100%;
        max-width: 100%;
    }
    
    /* 确保导航栏布局合理 - 主要内容垂直排列，但顶部元素水平对齐 */
    .navbar {
        display: flex;
        align-items: flex-start;
        justify-content: flex-start;
        gap: 10px;
        flex-wrap: nowrap;
        flex-direction: column;
        text-align: left;
        width: 100%;
    }
    
    /* 移动端logo和搜索按钮水平布局 */
    .navbar {
        flex-wrap: wrap;
    }
    
    .navbar > .logo {
        flex-shrink: 0;
        order: 1;
        width: auto;
    }
    
    .navbar > .nav-actions {
        order: 2;
        margin-left: auto;
        flex-shrink: 0;
        display: flex;
        align-items: center;
        gap: 10px;
    }
    
    .navbar > .nav-menu {
        order: 3;
        width: 100%;
    }
    
    /* 确保导航栏内元素的基础样式 */
    .navbar > * {
        margin-left: 0;
        margin-right: 0;
        padding-left: 0;
        padding-right: 0;
    }
    
    /* 确保搜索图标样式 */
    .search-icon {
        flex-shrink: 0;
        margin-right: 0;
    }
    
    /* 移动菜单按钮样式 */
    .mobile-menu-toggle {
        flex-shrink: 0;
        margin-left: 0;
        margin-right: 0;
        padding-left: 0;
        padding-right: 0;
    }
    
    /* 隐藏滚动条但保留滚动功能 */
    .nav-menu::-webkit-scrollbar {
        display: none; /* Chrome, Safari, Edge */
    }
    
    /* 导航链接样式 */
    .header-transparent-gradient .nav-menu a,
    .header-brand-gradient .nav-menu a,
    .header-dark-transparent .nav-menu a,
    .header-transparent-gradient.scrolled .nav-menu a,
    .nav-menu a {
        display: inline-block;
        background: transparent !important;
        color: var(--white);
        padding: 8px 0 0 0;
        margin: 0; /* 完全移除margin，确保绝对左对齐 */
        border-radius: 0; /* 移除椭圆背景效果 */
        font-size: 1.1rem;
        transition: all 0.3s ease;
        text-align: left;
        text-decoration: none;
        white-space: nowrap;
        text-indent: 0;
        line-height: 1.2;
        float: left; /* 强制左浮动 */
    }
    
    /* 激活状态的导航链接 */
    .header-transparent-gradient .nav-menu a.active,
    .header-brand-gradient .nav-menu a.active,
    .header-dark-transparent .nav-menu a.active,
    .header-transparent-gradient.scrolled .nav-menu a.active {
        background: transparent !important; /* 移除激活状态的背景 */
        color: var(--white);
        font-weight: 600;
        border-radius: 0; /* 确保没有圆角 */
    }
    
    /* 确保移动端菜单按钮基础样式 */
    .header-transparent-gradient .mobile-menu-toggle,
    .header-brand-gradient .mobile-menu-toggle,
    .header-dark-transparent .mobile-menu-toggle {
        background: rgba(255, 255, 255, 0.2);
        border-radius: 8px;
    }
    
    .header-transparent-gradient .mobile-menu-toggle span,
    .header-brand-gradient .mobile-menu-toggle span,
    .header-dark-transparent .mobile-menu-toggle span {
        background: var(--white);
    }
    }

/* 方案切换器样式 */
.theme-switcher {
    position: fixed;
    bottom: 20px;
    left: 20px;
    z-index: 9999;
    background: var(--white);
    padding: 10px;
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    display: flex;
    gap: 8px;
}

.theme-btn {
    width: 24px;
    height: 24px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.theme-btn:nth-child(1) {
    background: linear-gradient(135deg, rgba(168, 85, 247, 0.9) 0%, rgba(236, 72, 153, 0.9) 100%);
    border: none;
}

.theme-btn:nth-child(2) {
    background: linear-gradient(135deg, #3b82f6 0%, #06b6d4 100%);
}

.theme-btn:nth-child(3) {
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.9) 0%, rgba(236, 72, 153, 0.9) 100%);
}


/* 活动主题按钮指示器 */
.theme-btn.active {
    box-shadow: 0 0 0 3px var(--white), 0 4px 8px rgba(0, 0, 0, 0.2);
}