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#0000),var(--tw-ring-shadow,0 0 #0000),var(--tw-shadow)}.shadow-md{--tw-shadow:0 4px 6px -1px rgba(0,0,0,.1),0 2px 4px -2px rgba(0,0,0,.1);--tw-shadow-colored:0 4px 6px -1px var(--tw-shadow-color),0 2px 4px -2px var(--tw-shadow-color)}.shadow-sm{--tw-shadow:0 1px 2px 0 rgba(0,0,0,.05);--tw-shadow-colored:0 1px 2px 0 var(--tw-shadow-color);box-shadow:var(--tw-ring-offset-shadow,0 0 #0000),var(--tw-ring-shadow,0 0 #0000),var(--tw-shadow)}.shadow-blue-200{--tw-shadow-color:#bfdbfe;--tw-shadow:var(--tw-shadow-colored)}.transition{transition-property:color,background-color,border-color,text-decoration-color,fill,stroke,opacity,box-shadow,transform,filter,backdrop-filter;transition-timing-function:cubic-bezier(.4,0,.2,1);transition-duration:.15s}.transition-transform{transition-property:transform;transition-timing-function:cubic-bezier(.4,0,.2,1);transition-duration:.15s}.duration-200{transition-duration:.2s}body{font-family:Inter,sans-serif;background:#f3f4f6}.notice-bar{background:linear-gradient(90deg,#3b82f6,#2563eb)}.product-card{transition:all .3s ease;border:1px solid #e5e7eb}.product-card:hover{transform:translateY(-4px);box-shadow:0 20px 25px -5px rgba(0,0,0,.1);border-color:#3b82f6}/* 移动端侧边栏 - 优化版 */
.mobile-sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: 280px;
    height: 100vh;
    height: 100dvh; /* 适配动态视口 */
    background: #fff;
    z-index: 100;
    transform: translateX(-100%);
    transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;
    overflow-x: hidden;
    box-shadow: 4px 0 20px rgba(0, 0, 0, 0.15);
    -webkit-overflow-scrolling: touch; /* iOS 平滑滚动 */
}

.mobile-sidebar.open {
    transform: translateX(0);
}

/* 侧边栏遮罩 - 优化动画 */
.sidebar-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0);
    z-index: 99;
    opacity: 0;
    visibility: hidden;
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(0px);
}

.sidebar-overlay.open {
    background: rgba(0, 0, 0, 0.5);
    opacity: 1;
    visibility: visible;
    backdrop-filter: blur(2px);
}

/* 侧边栏分类项 - 优化触摸反馈 */
.sidebar-category {
    border-left: 3px solid transparent;
    border-bottom: 1px solid #e5e7eb;
    transition: all 0.2s ease;
    position: relative;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
    margin-bottom: 4px;
    border-radius: 0 8px 8px 0;
}

.sidebar-category:last-of-type {
    border-bottom: 1px solid #e5e7eb;
}

.sidebar-category:active {
    background: #f3f4f6;
}

.sidebar-category.active {
    background: linear-gradient(90deg, #eff6ff 0%, #ffffff 100%);
    border-left-color: #3b82f6;
    color: #1e40af;
}

.sidebar-category.active .fa-chevron-down {
    color: #3b82f6;
}

.sidebar-category:hover:not(.active) {
    background: #f9fafb;
}

/* 子菜单 - 优化展开动画 */
.submenu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    background: #f9fafb;
    position: relative;
    margin: 0 8px 8px 8px;
    border-radius: 0 0 8px 8px;
}

.submenu::before {
    content: '';
    position: absolute;
    left: 1.25rem;
    top: 8px;
    bottom: 8px;
    width: 2px;
    background: linear-gradient(180deg, #e5e7eb 0%, #f3f4f6 100%);
    border-radius: 1px;
}

.submenu.open {
    max-height: 400px;
}

/* 子菜单项 - 优化层级和视觉引导 */
.submenu-item {
    padding: 12px 16px 12px 3rem;
    font-size: 0.875rem;
    color: #6b7280;
    transition: all 0.2s ease;
    position: relative;
    border-left: 3px solid transparent;
    border-bottom: 1px solid #f3f4f6;
}

.submenu-item:last-child {
    border-bottom: none;
}

.submenu-item::before {
    content: '';
    position: absolute;
    left: 1.25rem;
    top: 50%;
    width: 0.75rem;
    height: 2px;
    background: #e5e7eb;
    transform: translateY(-50%);
    transition: all 0.2s ease;
}

.submenu-item.active {
    color: #3b82f6;
    background: linear-gradient(90deg, #eff6ff 0%, #ffffff 100%);
    border-left-color: #3b82f6;
    font-weight: 500;
}

.submenu-item.active::before {
    background: #3b82f6;
    width: 1rem;
}

.submenu-item:hover {
    color: #3b82f6;
    background: #f3f4f6;
}

.submenu-item:hover::before {
    background: #93c5fd;
}

/* 侧边栏滑动指示器 */
.sidebar-swipe-hint {
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 40px;
    background: #e5e7eb;
    border-radius: 2px 0 0 2px;
    opacity: 0.5;
}

/* 侧边栏底部安全区域（适配 iPhone 底部横条） */
.sidebar-footer-safe-area {
    padding-bottom: env(safe-area-inset-bottom, 0);
}.desktop-nav{display:none}@media (min-width:1024px){.desktop-nav{display:flex}.mobile-menu-btn{display:none}}.sold-out-badge{background:linear-gradient(135deg,#ef4444,#dc2626);box-shadow:0 2px 8px rgba(239,68,68,.3)}.btn-disabled{background:#e5e7eb!important;color:#9ca3af!important;cursor:not-allowed!important}.spec-item{display:flex;justify-content:space-between;padding:.5rem 0;border-bottom:1px dashed #e5e7eb;font-size:.875rem}.spec-item:last-child{border-bottom:none}

/* 侧边栏打开时锁定背景滚动 */
body.sidebar-open {
    overflow: hidden;
    position: fixed;
    width: 100%;
    height: 100%;
}

/* 产品网格 - 移动端优化 */
@media (max-width: 640px) {
    .product-grid {
        grid-template-columns: 1fr;
    }
    .spec-item {
        font-size: 0.8125rem;
    }
    /* 移动端卡片间距优化 */
    #productGrid {
        gap: 0.75rem;
    }
}

/* 平板适配 */
@media (min-width: 641px) and (max-width: 1023px) {
    #productGrid {
        grid-template-columns: repeat(2, 1fr);
    }
}.hover\:border-blue-500:hover{--tw-border-opacity:1;border-color:rgb(59 130 246/var(--tw-border-opacity,1))}.hover\:bg-blue-700:hover{--tw-bg-opacity:1;background-color:rgb(29 78 216/var(--tw-bg-opacity,1))}.hover\:bg-gray-100:hover{--tw-bg-opacity:1;background-color:rgb(243 244 246/var(--tw-bg-opacity,1))}.hover\:text-blue-600:hover{--tw-text-opacity:1;color:rgb(37 99 235/var(--tw-text-opacity,1))}.hover\:text-gray-700:hover{--tw-text-opacity:1;color:rgb(55 65 81/var(--tw-text-opacity,1))}.hover\:underline:hover{text-decoration-line:underline}.focus\:border-blue-500:focus{--tw-border-opacity:1;border-color:rgb(59 130 246/var(--tw-border-opacity,1))}.focus\:outline-none:focus{outline:2px solid transparent;outline-offset:2px}@media (min-width:768px){.md\:grid-cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (min-width:1024px){.lg\:flex{display:flex}.lg\:hidden{display:none}.lg\:grid-cols-4{grid-template-columns:repeat(4,minmax(0,1fr))}.lg\:gap-6{gap:1.5rem}}