/* ============================================
   顶部导航栏布局 - 简单直接方案
   布局：左侧菜单 | 中间Logo | 右侧购物袋
   ============================================ */

/* 导航栏容器 - 固定定位，浅灰色背景 */
#masthead.header-main {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    width: 100% !important;
    z-index: 9999 !important;
    background-color: #f5f5f5 !important;
    transition: background-color 0.3s ease !important;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1) !important;
}

/* 滚动时背景透明 */
#masthead.header-main.scrolled {
    background-color: transparent !important;
    box-shadow: none !important;
}

/* 导航栏容器 - PC端居中，最大宽度1200px */
#masthead.header-main .header-inner.flex-row.container {
    display: flex !important;
    flex-direction: row !important;
    align-items: center !important;
    justify-content: space-between !important;
    width: 100% !important;
    max-width: 1200px !important;
    margin: 0 auto !important;
    padding: 10px 20px !important;
    box-sizing: border-box !important;
}

/* 左侧：汉堡菜单 */
#masthead.header-main .header-inner .header-menu-toggle {
    flex: 0 0 auto !important;
    display: flex !important;
    align-items: center !important;
    margin: 0 !important;
    padding: 0 !important;
}

/* 中间：Logo居中 - 背景虚化透明效果 */
#masthead.header-main .header-inner #logo.logo-center.flex-grow {
    flex: 1 1 auto !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    margin: 0 auto !important;
    padding: 0 !important;
    position: relative !important;
}

#masthead.header-main .header-inner #logo.logo-center.flex-grow a.logo-link {
    display: block !important;
    position: relative !important;
    background: transparent !important;
}

/* Logo图片 - 背景虚化，去除正方形边框 */
#masthead.header-main .header-inner #logo.logo-center.flex-grow img.logo-image {
    display: block !important;
    max-height: 90px !important;
    width: auto !important;
    height: auto !important;
    background: transparent !important;
    background-color: transparent !important;
    border: none !important;
    outline: none !important;
    /* 使用filter让图片边缘虚化，去除正方形感 */
    filter: drop-shadow(0 0 8px rgba(255,255,255,0.6)) drop-shadow(0 0 15px rgba(255,255,255,0.3)) !important;
    /* 使用mix-blend-mode让背景更自然 */
    mix-blend-mode: normal !important;
    /* 确保图片本身没有背景 */
    object-fit: contain !important;
}

/* Logo容器 - 添加虚化光晕效果，让背景透明 */
#masthead.header-main .header-inner #logo.logo-center.flex-grow a.logo-link::before {
    content: '' !important;
    position: absolute !important;
    top: 50% !important;
    left: 50% !important;
    transform: translate(-50%, -50%) !important;
    width: 150% !important;
    height: 150% !important;
    background: radial-gradient(circle, rgba(255,255,255,0.4) 0%, rgba(255,255,255,0.1) 40%, transparent 70%) !important;
    border-radius: 50% !important;
    z-index: -1 !important;
    filter: blur(15px) !important;
    pointer-events: none !important;
}

/* 右侧：购物袋 - 最右边 */
#masthead.header-main .header-inner .header-cart-toggle {
    flex: 0 0 auto !important;
    display: flex !important;
    align-items: center !important;
    margin: 0 !important;
    margin-left: auto !important;
    padding: 0 !important;
}

/* 为固定导航栏预留空间 */
body {
    padding-top: 90px !important;
}

/* 手机端 */
@media (max-width: 768px) {
    #masthead.header-main .header-inner.flex-row.container {
        max-width: 100% !important;
        padding: 10px 15px !important;
    }
    
    body {
        padding-top: 70px !important;
    }
}