/*
Theme Name: Qingfeng
Theme URI: https://www.linlinyj.com/
Author: Linlin
Author URI: https://www.linlinyj.com/
Description: 清風主題 - 現代雜誌風格WooCommerce電商主題，玻璃擬態設計
Version: 1.0.0
Requires at least: 5.9
Tested up to: 6.4
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: qingfeng
Tags: e-commerce, woocommerce, custom-logo, custom-menu, featured-images, threaded-comments, translation-ready

清風主題 - 現代雜誌風格設計
*/

/* ==========================================================================
   CSS Variables - 渐变玻璃拟态配色
   ========================================================================== */
:root {
    --qf-primary: #6366f1;
    --qf-primary-light: #818cf8;
    --qf-primary-dark: #4f46e5;
    --qf-secondary: #ec4899;
    --qf-accent: #06b6d4;
    --qf-success: #10b981;
    --qf-warning: #f59e0b;
    --qf-danger: #ef4444;
    
    --qf-bg-start: #f0f4ff;
    --qf-bg-end: #fdf2f8;
    --qf-bg-gradient: linear-gradient(135deg, var(--qf-bg-start) 0%, var(--qf-bg-end) 100%);
    
    --qf-glass-bg: rgba(255, 255, 255, 0.7);
    --qf-glass-border: rgba(255, 255, 255, 0.5);
    --qf-glass-shadow: 0 8px 32px rgba(99, 102, 241, 0.1);
    
    --qf-text: #1e293b;
    --qf-text-light: #64748b;
    --qf-text-muted: #94a3b8;
    --qf-border: #e2e8f0;
    --qf-white: #ffffff;
    
    --qf-font: 'Noto Sans TC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --qf-font-size: 16px;
    --qf-line-height: 1.75;
    
    --qf-radius-sm: 8px;
    --qf-radius: 16px;
    --qf-radius-lg: 24px;
    --qf-radius-xl: 32px;
    
    --qf-space-xs: 0.5rem;
    --qf-space-sm: 0.75rem;
    --qf-space-md: 1rem;
    --qf-space-lg: 1.5rem;
    --qf-space-xl: 2rem;
    --qf-space-2xl: 3rem;
    --qf-space-3xl: 4rem;
    
    --qf-transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --qf-container: 1320px;
    --qf-sidebar: 320px;
    --qf-header-height: 80px;
}

/* ==========================================================================
   Base Reset
   ========================================================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: var(--qf-font-size);
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: var(--qf-font);
    font-size: 1rem;
    line-height: var(--qf-line-height);
    color: var(--qf-text);
    background: var(--qf-bg-gradient);
    min-height: 100vh;
}

/* ==========================================================================
   Typography
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.3;
    color: var(--qf-text);
    margin-bottom: var(--qf-space-md);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: var(--qf-space-md);
}

a {
    color: var(--qf-primary);
    text-decoration: none;
    transition: color var(--qf-transition);
}

a:hover {
    color: var(--qf-primary-dark);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

ul, ol {
    list-style: none;
}

/* ==========================================================================
   Layout - 杂志风格双栏
   ========================================================================== */
.qf-container {
    width: 100%;
    max-width: var(--qf-container);
    margin: 0 auto;
    padding: 0 var(--qf-space-lg);
}

.qf-layout {
    display: grid;
    grid-template-columns: 1fr var(--qf-sidebar);
    gap: var(--qf-space-xl);
    padding: var(--qf-space-xl) 0;
}

.qf-main {
    min-width: 0;
}

.qf-sidebar {
    position: sticky;
    top: calc(var(--qf-header-height) + var(--qf-space-xl));
    height: fit-content;
}

@media (max-width: 1024px) {
    .qf-layout {
        grid-template-columns: 1fr;
    }
    .qf-sidebar {
        position: static;
    }
}

/* ==========================================================================
   Glass Card Component
   ========================================================================== */
.qf-card {
    background: var(--qf-glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--qf-glass-border);
    border-radius: var(--qf-radius);
    box-shadow: var(--qf-glass-shadow);
    overflow: hidden;
    transition: transform var(--qf-transition), box-shadow var(--qf-transition);
}

.qf-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 16px 48px rgba(99, 102, 241, 0.15);
}

.qf-card-body {
    padding: var(--qf-space-lg);
}

/* ==========================================================================
   Header - 透明玻璃效果
   ========================================================================== */
.qf-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--qf-header-height);
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--qf-glass-border);
    z-index: 1000;
}

.qf-header > .qf-container {
    height: 100%;
}

.qf-header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.qf-logo {
    display: flex;
    align-items: center;
    gap: var(--qf-space-sm);
}

.qf-logo img {
    height: 48px;
    width: auto;
}

.qf-logo-text {
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--qf-primary), var(--qf-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Navigation */
.qf-nav {
    display: flex;
    align-items: center;
    gap: var(--qf-space-xs);
}

.qf-nav-list {
    display: flex;
    align-items: center;
    gap: var(--qf-space-xs);
}

.qf-nav-item > a {
    display: block;
    padding: var(--qf-space-sm) var(--qf-space-md);
    color: var(--qf-text);
    font-weight: 500;
    border-radius: var(--qf-radius-sm);
    transition: all var(--qf-transition);
}

.qf-nav-item > a:hover,
.qf-nav-item.current-menu-item > a {
    background: linear-gradient(135deg, var(--qf-primary), var(--qf-secondary));
    color: var(--qf-white);
}

/* Dropdown */
.qf-nav-item {
    position: relative;
}

.qf-nav-item .sub-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 200px;
    background: var(--qf-white);
    border-radius: var(--qf-radius-sm);
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--qf-transition);
    z-index: 100;
}

.qf-nav-item:hover .sub-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.qf-nav-item .sub-menu a {
    display: block;
    padding: var(--qf-space-sm) var(--qf-space-md);
    color: var(--qf-text);
    border-bottom: 1px solid var(--qf-border);
}

.qf-nav-item .sub-menu li:last-child a {
    border-bottom: none;
}

.qf-nav-item .sub-menu a:hover {
    background: var(--qf-bg-start);
    color: var(--qf-primary);
}

/* Header Actions */
.qf-header-actions {
    display: flex;
    align-items: center;
    gap: var(--qf-space-md);
}

.qf-header-search {
    position: relative;
}

.qf-header-search input {
    width: 200px;
    padding: var(--qf-space-sm) var(--qf-space-md);
    padding-right: 40px;
    border: 1px solid var(--qf-border);
    border-radius: var(--qf-radius-xl);
    background: var(--qf-white);
    font-size: 0.875rem;
    transition: all var(--qf-transition);
}

.qf-header-search input:focus {
    outline: none;
    border-color: var(--qf-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.qf-header-search button {
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--qf-text-light);
    cursor: pointer;
}

/* Cart Icon */
.qf-cart-icon {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--qf-primary), var(--qf-secondary));
    color: var(--qf-white);
    transition: transform var(--qf-transition);
}

.qf-cart-icon:hover {
    transform: scale(1.1);
    color: var(--qf-white);
}

.qf-cart-count {
    position: absolute;
    top: -4px;
    right: -4px;
    min-width: 20px;
    height: 20px;
    padding: 0 6px;
    background: var(--qf-danger);
    color: var(--qf-white);
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Mobile Menu Toggle */
.qf-menu-toggle {
    display: none;
    width: 44px;
    height: 44px;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
}

.qf-menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--qf-text);
    transition: all var(--qf-transition);
}

/* Mobile Menu Active State */
.qf-menu-active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.qf-menu-active span:nth-child(2) {
    opacity: 0;
}

.qf-menu-active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

@media (max-width: 768px) {
    :root {
        --qf-header-height: 70px;
    }
    
    .qf-header-inner {
        padding: var(--qf-space-sm) 0;
    }
    
    .qf-logo img {
        max-height: 45px;
    }
    
    .qf-nav {
        position: fixed;
        top: var(--qf-header-height);
        right: -280px;
        width: 280px;
        height: calc(100vh - var(--qf-header-height));
        background: var(--qf-white);
        box-shadow: -4px 0 20px rgba(0,0,0,0.1);
        transition: right var(--qf-transition);
        overflow-y: auto;
        z-index: 999;
        display: block;
    }
    
    .qf-nav.qf-nav-open {
        right: 0;
    }
    
    .qf-nav-list {
        flex-direction: column;
        padding: 0;
        margin: 0;
        align-items: flex-start;
        display: flex;
    }
    
    .qf-nav-list > li {
        border-bottom: 1px solid var(--qf-border);
        width: 100%;
    }
    
    .qf-nav-list > li > a {
        padding: var(--qf-space-sm) var(--qf-space-md);
        display: block;
        text-align: left;
    }
    
    .qf-nav-dropdown {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        border: none;
        padding-left: var(--qf-space-md);
        background: var(--qf-bg);
    }
    
    .qf-menu-toggle {
        display: flex;
    }
    
    .qf-header-search {
        display: none;
    }
    
    .qf-header-actions {
        gap: var(--qf-space-sm);
    }
    
    /* Mobile Menu Overlay */
    body.qf-menu-opened::before {
        content: '';
        position: fixed;
        top: var(--qf-header-height);
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(0,0,0,0.5);
        z-index: 998;
    }
}

/* ==========================================================================
   Content Area
   ========================================================================== */
.qf-content {
    padding-top: var(--qf-header-height);
    min-height: calc(100vh - var(--qf-header-height));
}

/* ==========================================================================
   Article List - 时间线布局
   ========================================================================== */
.qf-articles {
    display: flex;
    flex-direction: column;
    gap: var(--qf-space-xl);
}

.qf-article-item {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: var(--qf-space-lg);
    background: var(--qf-glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--qf-glass-border);
    border-radius: var(--qf-radius);
    overflow: hidden;
    transition: all var(--qf-transition);
}

.qf-article-item:hover {
    transform: translateX(8px);
    box-shadow: 0 16px 48px rgba(99, 102, 241, 0.15);
}

.qf-article-thumb {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.qf-article-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--qf-transition);
}

.qf-article-item:hover .qf-article-thumb img {
    transform: scale(1.05);
}

.qf-article-thumb-placeholder {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--qf-primary-light), var(--qf-secondary));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--qf-white);
}

.qf-article-body {
    padding: var(--qf-space-lg);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.qf-article-meta {
    display: flex;
    align-items: center;
    gap: var(--qf-space-md);
    margin-bottom: var(--qf-space-sm);
    font-size: 0.875rem;
    color: var(--qf-text-light);
}

.qf-article-cat {
    display: inline-block;
    padding: 4px 12px;
    background: linear-gradient(135deg, var(--qf-primary), var(--qf-secondary));
    color: var(--qf-white);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: var(--qf-radius-xl);
    text-transform: uppercase;
}

.qf-article-title {
    font-size: 1.25rem;
    margin-bottom: var(--qf-space-sm);
    line-height: 1.4;
}

.qf-article-title a {
    color: var(--qf-text);
}

.qf-article-title a:hover {
    color: var(--qf-primary);
}

.qf-article-excerpt {
    color: var(--qf-text-light);
    font-size: 0.9375rem;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.qf-article-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: auto;
    padding-top: var(--qf-space-md);
}

.qf-read-more {
    display: inline-flex;
    align-items: center;
    gap: var(--qf-space-xs);
    color: var(--qf-primary);
    font-weight: 600;
    font-size: 0.875rem;
}

.qf-read-more svg {
    transition: transform var(--qf-transition);
}

.qf-read-more:hover svg {
    transform: translateX(4px);
}

@media (max-width: 768px) {
    .qf-article-item {
        grid-template-columns: 1fr;
    }
    .qf-article-thumb {
        height: 180px;
    }
}

/* ==========================================================================
   Single Post - 杂志阅读体验
   ========================================================================== */
.qf-single-header {
    position: relative;
    padding: var(--qf-space-3xl) 0;
    background: linear-gradient(135deg, var(--qf-primary) 0%, var(--qf-secondary) 100%);
    color: var(--qf-white);
    overflow: hidden;
}

.qf-single-header::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 60%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    pointer-events: none;
}

.qf-single-header-inner {
    position: relative;
    z-index: 1;
}

.qf-single-cat {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(255,255,255,0.2);
    border-radius: var(--qf-radius-xl);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--qf-space-md);
    backdrop-filter: blur(10px);
}

.qf-single-cat a {
    color: var(--qf-white);
}

.qf-single-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: var(--qf-space-lg);
    line-height: 1.2;
    max-width: 800px;
}

.qf-single-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--qf-space-lg);
    font-size: 0.9375rem;
    opacity: 0.9;
}

.qf-single-meta-item {
    display: flex;
    align-items: center;
    gap: var(--qf-space-xs);
}

.qf-single-meta-item svg {
    opacity: 0.8;
}

@media (max-width: 768px) {
    .qf-single-title {
        font-size: 1.75rem;
    }
}

/* Single Content */
.qf-single-content {
    padding: var(--qf-space-2xl) 0;
}

.qf-single-article {
    background: var(--qf-white);
    border-radius: var(--qf-radius-lg);
    box-shadow: 0 4px 24px rgba(0,0,0,0.06);
    overflow: hidden;
}

.qf-single-featured {
    position: relative;
    margin: calc(var(--qf-space-2xl) * -1) auto var(--qf-space-xl);
    max-width: 900px;
    border-radius: var(--qf-radius-lg);
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0,0,0,0.15);
}

.qf-single-featured img {
    width: 100%;
    display: block;
}

.qf-post-body {
    max-width: 800px;
    margin: 0 auto;
    padding: var(--qf-space-xl) var(--qf-space-lg);
}

/* Article Content Styles */
.qf-post-body h2 {
    font-size: 1.75rem;
    margin-top: var(--qf-space-2xl);
    margin-bottom: var(--qf-space-md);
    padding-bottom: var(--qf-space-sm);
    border-bottom: 3px solid var(--qf-primary);
    display: inline-block;
}

.qf-post-body h3 {
    font-size: 1.375rem;
    margin-top: var(--qf-space-xl);
    color: var(--qf-primary-dark);
}

.qf-post-body p {
    margin-bottom: var(--qf-space-lg);
    color: var(--qf-text);
}

.qf-post-body ul,
.qf-post-body ol {
    margin-bottom: var(--qf-space-lg);
    padding-left: var(--qf-space-xl);
}

.qf-post-body ul {
    list-style: disc;
}

.qf-post-body ol {
    list-style: decimal;
}

.qf-post-body li {
    margin-bottom: var(--qf-space-sm);
}

.qf-post-body blockquote {
    margin: var(--qf-space-xl) 0;
    padding: var(--qf-space-lg) var(--qf-space-xl);
    background: linear-gradient(135deg, var(--qf-bg-start), var(--qf-bg-end));
    border-left: 4px solid var(--qf-primary);
    border-radius: 0 var(--qf-radius) var(--qf-radius) 0;
    font-style: italic;
    color: var(--qf-text-light);
}

.qf-post-body img {
    border-radius: var(--qf-radius);
    margin: var(--qf-space-lg) 0;
}

.qf-post-body a {
    color: var(--qf-primary);
    text-decoration: underline;
    text-decoration-color: rgba(99, 102, 241, 0.3);
    text-underline-offset: 3px;
    transition: all var(--qf-transition);
}

.qf-post-body a:hover {
    text-decoration-color: var(--qf-primary);
}

/* Tags */
.qf-post-tags {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--qf-space-sm);
    padding: var(--qf-space-lg) 0;
    margin-top: var(--qf-space-xl);
    border-top: 1px solid var(--qf-border);
}

.qf-post-tags-label {
    font-weight: 600;
    color: var(--qf-text);
}

.qf-post-tags a {
    display: inline-block;
    padding: 4px 12px;
    background: var(--qf-bg-start);
    color: var(--qf-text-light);
    font-size: 0.875rem;
    border-radius: var(--qf-radius-sm);
    transition: all var(--qf-transition);
}

.qf-post-tags a:hover {
    background: var(--qf-primary);
    color: var(--qf-white);
}

/* ==========================================================================
   Related Posts - 卡片滑动
   ========================================================================== */
.qf-related {
    margin-top: var(--qf-space-2xl);
    padding-top: var(--qf-space-2xl);
    border-top: 1px solid var(--qf-border);
}

.qf-related-title {
    font-size: 1.5rem;
    margin-bottom: var(--qf-space-lg);
    display: flex;
    align-items: center;
    gap: var(--qf-space-sm);
}

.qf-related-title::before {
    content: '';
    width: 4px;
    height: 24px;
    background: linear-gradient(180deg, var(--qf-primary), var(--qf-secondary));
    border-radius: 2px;
}

.qf-related-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--qf-space-lg);
}

.qf-related-item {
    background: var(--qf-white);
    border-radius: var(--qf-radius);
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(0,0,0,0.06);
    transition: all var(--qf-transition);
}

.qf-related-item:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 32px rgba(99, 102, 241, 0.15);
}

.qf-related-item-thumb {
    height: 140px;
    overflow: hidden;
}

.qf-related-item-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--qf-transition);
}

.qf-related-item:hover .qf-related-item-thumb img {
    transform: scale(1.1);
}

.qf-related-item-body {
    padding: var(--qf-space-md);
}

.qf-related-item-title {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--qf-text);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: var(--qf-space-xs);
}

.qf-related-item-date {
    font-size: 0.8125rem;
    color: var(--qf-text-muted);
}

@media (max-width: 768px) {
    .qf-related-grid {
        grid-template-columns: 1fr;
    }
}

/* ==========================================================================
   Post Navigation
   ========================================================================== */
.qf-post-nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--qf-space-lg);
    margin-top: var(--qf-space-2xl);
}

.qf-nav-link {
    display: flex;
    align-items: center;
    gap: var(--qf-space-md);
    padding: var(--qf-space-lg);
    background: var(--qf-glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--qf-glass-border);
    border-radius: var(--qf-radius);
    transition: all var(--qf-transition);
}

.qf-nav-link:hover {
    background: var(--qf-white);
    box-shadow: 0 8px 24px rgba(99, 102, 241, 0.12);
}

.qf-nav-link.qf-nav-next {
    text-align: right;
    flex-direction: row-reverse;
}

.qf-nav-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--qf-primary), var(--qf-secondary));
    color: var(--qf-white);
    border-radius: 50%;
    flex-shrink: 0;
}

.qf-nav-text {
    flex: 1;
    min-width: 0;
}

.qf-nav-label {
    display: block;
    font-size: 0.8125rem;
    color: var(--qf-text-muted);
    margin-bottom: 4px;
}

.qf-nav-title {
    display: block;
    font-weight: 600;
    color: var(--qf-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

@media (max-width: 768px) {
    .qf-post-nav {
        grid-template-columns: 1fr;
    }
}

/* ==========================================================================
   Sidebar Widgets
   ========================================================================== */
.qf-widget {
    background: var(--qf-glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--qf-glass-border);
    border-radius: var(--qf-radius);
    padding: var(--qf-space-lg);
    margin-bottom: var(--qf-space-lg);
}

.qf-widget-title {
    font-size: 1.125rem;
    margin-bottom: var(--qf-space-md);
    padding-bottom: var(--qf-space-sm);
    border-bottom: 2px solid var(--qf-primary);
    display: flex;
    align-items: center;
    gap: var(--qf-space-sm);
}

.qf-widget ul li {
    padding: var(--qf-space-sm) 0;
    border-bottom: 1px solid var(--qf-border);
}

.qf-widget ul li:last-child {
    border-bottom: none;
}

.qf-widget ul li a {
    color: var(--qf-text);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.qf-widget ul li a:hover {
    color: var(--qf-primary);
}

/* ==========================================================================
   Breadcrumb - SEO结构化
   ========================================================================== */
.qf-breadcrumb-wrap {
    padding: var(--qf-space-md) 0;
    background: var(--qf-white);
    border-bottom: 1px solid var(--qf-border);
}

.qf-breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--qf-space-xs);
    font-size: 0.875rem;
    color: var(--qf-text-light);
}

.qf-breadcrumb a {
    color: var(--qf-text-light);
}

.qf-breadcrumb a:hover {
    color: var(--qf-primary);
}

.qf-breadcrumb-sep {
    color: var(--qf-text-muted);
}

.qf-breadcrumb-current {
    color: var(--qf-text);
    font-weight: 500;
}

/* ==========================================================================
   Pagination
   ========================================================================== */
.qf-pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--qf-space-sm);
    margin-top: var(--qf-space-2xl);
}

.qf-pagination a,
.qf-pagination span {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    height: 44px;
    padding: 0 var(--qf-space-md);
    background: var(--qf-white);
    border: 1px solid var(--qf-border);
    border-radius: var(--qf-radius-sm);
    color: var(--qf-text);
    font-weight: 500;
    transition: all var(--qf-transition);
}

.qf-pagination a:hover {
    background: var(--qf-primary);
    border-color: var(--qf-primary);
    color: var(--qf-white);
}

.qf-pagination .current {
    background: linear-gradient(135deg, var(--qf-primary), var(--qf-secondary));
    border-color: var(--qf-primary);
    color: var(--qf-white);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.qf-footer {
    background: var(--qf-text);
    color: var(--qf-white);
    padding: var(--qf-space-3xl) 0 var(--qf-space-xl);
    margin-top: var(--qf-space-3xl);
}

.qf-footer-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--qf-space-2xl);
    margin-bottom: var(--qf-space-2xl);
}

.qf-footer-title {
    font-size: 1.125rem;
    font-weight: 700;
    margin-bottom: var(--qf-space-lg);
    color: var(--qf-white);
}

.qf-footer-col .qf-footer-links li {
    margin-bottom: var(--qf-space-sm);
}

.qf-footer-links a {
    color: rgba(255,255,255,0.7);
    transition: color var(--qf-transition);
}

.qf-footer-links a:hover {
    color: var(--qf-white);
}

.qf-footer-nav .qf-footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: var(--qf-space-xs);
    list-style: none;
    margin: 0;
    padding: 0;
}

.qf-footer-nav .qf-footer-links li {
    display: flex;
    align-items: center;
}

.qf-footer-nav .qf-footer-links li:not(:last-child)::after {
    content: '|';
    margin-left: var(--qf-space-xs);
    color: rgba(255,255,255,0.3);
}

.qf-footer-bottom {
    padding-top: var(--qf-space-lg);
    border-top: 1px solid rgba(255,255,255,0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.875rem;
    color: rgba(255,255,255,0.6);
}

@media (max-width: 768px) {
    .qf-footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .qf-footer-bottom {
        flex-direction: column;
        gap: var(--qf-space-md);
        text-align: center;
    }
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.qf-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--qf-space-sm);
    padding: var(--qf-space-sm) var(--qf-space-lg);
    font-size: 0.9375rem;
    font-weight: 600;
    border: none;
    border-radius: var(--qf-radius-sm);
    cursor: pointer;
    transition: all var(--qf-transition);
}

.qf-btn-primary {
    background: linear-gradient(135deg, var(--qf-primary), var(--qf-secondary));
    color: var(--qf-white);
}

.qf-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(99, 102, 241, 0.3);
    color: var(--qf-white);
}

.qf-btn-outline {
    background: transparent;
    border: 2px solid var(--qf-primary);
    color: var(--qf-primary);
}

.qf-btn-outline:hover {
    background: var(--qf-primary);
    color: var(--qf-white);
}

/* ==========================================================================
   WooCommerce Integration
   ========================================================================== */

/* Product Card */
.qf-product-card {
    background: var(--qf-white);
    border-radius: var(--qf-radius);
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(0,0,0,0.06);
    transition: all var(--qf-transition);
}

.qf-product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 48px rgba(99, 102, 241, 0.15);
}

.qf-product-thumb {
    position: relative;
    padding-top: 100%;
    overflow: hidden;
}

.qf-product-thumb img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--qf-transition);
}

.qf-product-card:hover .qf-product-thumb img {
    transform: scale(1.1);
}

.qf-product-badge {
    position: absolute;
    top: var(--qf-space-sm);
    left: var(--qf-space-sm);
    padding: 4px 12px;
    background: var(--qf-secondary);
    color: var(--qf-white);
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: var(--qf-radius-sm);
}

.qf-product-body {
    padding: var(--qf-space-md);
}

.qf-product-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--qf-space-xs);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.qf-product-title a {
    color: var(--qf-text);
}

.qf-product-title a:hover {
    color: var(--qf-primary);
}

.qf-product-price {
    display: flex;
    align-items: center;
    gap: var(--qf-space-sm);
    margin-bottom: var(--qf-space-sm);
}

.qf-product-price .price {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--qf-primary);
}

.qf-product-price del {
    font-size: 0.875rem;
    color: var(--qf-text-muted);
}

.qf-product-actions {
    display: flex;
    gap: var(--qf-space-sm);
}

.qf-add-to-cart {
    flex: 1;
    padding: var(--qf-space-sm);
    background: linear-gradient(135deg, var(--qf-primary), var(--qf-secondary));
    color: var(--qf-white);
    border: none;
    border-radius: var(--qf-radius-sm);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--qf-transition);
}

.qf-add-to-cart:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(99, 102, 241, 0.3);
}

/* Product Grid */
.qf-products-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--qf-space-lg);
}

@media (max-width: 1024px) {
    .qf-products-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .qf-products-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* WooCommerce Overrides */
.woocommerce ul.products {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--qf-space-lg);
}

.woocommerce ul.products li.product {
    background: var(--qf-white);
    border-radius: var(--qf-radius);
    overflow: hidden;
    box-shadow: 0 4px 16px rgba(0,0,0,0.06);
    transition: all var(--qf-transition);
    margin: 0;
    padding: 0;
    width: auto;
    float: none;
}

.woocommerce ul.products li.product:hover {
    transform: translateY(-8px);
    box-shadow: 0 16px 48px rgba(99, 102, 241, 0.15);
}

.woocommerce ul.products li.product .woocommerce-loop-product__title {
    font-size: 1rem;
    font-weight: 600;
    padding: var(--qf-space-md) var(--qf-space-md) var(--qf-space-xs);
}

.woocommerce ul.products li.product .price {
    color: var(--qf-primary);
    font-weight: 700;
    padding: 0 var(--qf-space-md);
}

.woocommerce ul.products li.product .button {
    margin: var(--qf-space-md);
    background: linear-gradient(135deg, var(--qf-primary), var(--qf-secondary));
    border-radius: var(--qf-radius-sm);
    color: var(--qf-white);
}

.woocommerce ul.products li.product .onsale {
    background: var(--qf-secondary);
    border-radius: var(--qf-radius-sm);
    min-width: auto;
    min-height: auto;
    padding: 4px 12px;
    line-height: 1.5;
}

@media (max-width: 1024px) {
    .woocommerce ul.products {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .woocommerce ul.products {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Single Product */
.woocommerce div.product {
    background: var(--qf-white);
    border-radius: var(--qf-radius-lg);
    padding: var(--qf-space-xl);
    box-shadow: 0 4px 24px rgba(0,0,0,0.06);
}

.woocommerce div.product div.images {
    border-radius: var(--qf-radius);
    overflow: hidden;
}

.woocommerce div.product p.price {
    color: var(--qf-primary);
    font-size: 1.75rem;
    font-weight: 700;
}

.woocommerce div.product form.cart .button {
    background: linear-gradient(135deg, var(--qf-primary), var(--qf-secondary));
    border-radius: var(--qf-radius-sm);
    padding: var(--qf-space-md) var(--qf-space-xl);
    font-weight: 600;
}

.woocommerce div.product .woocommerce-tabs ul.tabs {
    padding: 0;
    margin-bottom: var(--qf-space-lg);
}

.woocommerce div.product .woocommerce-tabs ul.tabs li {
    border-radius: var(--qf-radius-sm) var(--qf-radius-sm) 0 0;
    background: var(--qf-bg-start);
}

.woocommerce div.product .woocommerce-tabs ul.tabs li.active {
    background: var(--qf-white);
    border-bottom-color: var(--qf-white);
}

/* Cart */
.woocommerce table.cart {
    background: var(--qf-white);
    border-radius: var(--qf-radius);
    overflow: hidden;
}

.woocommerce table.cart th {
    background: var(--qf-bg-start);
}

.woocommerce .cart-collaterals .cart_totals {
    background: var(--qf-white);
    border-radius: var(--qf-radius);
    padding: var(--qf-space-lg);
}

.woocommerce a.button.wc-forward {
    background: linear-gradient(135deg, var(--qf-primary), var(--qf-secondary));
    color: var(--qf-white);
    border-radius: var(--qf-radius-sm);
}

/* WooCommerce Page */
.qf-woo-page {
    padding: var(--qf-space-lg) 0;
}

.qf-woo-page .qf-container {
    max-width: var(--qf-container);
    margin: 0 auto;
    padding: 0 var(--qf-space-lg);
}

/* Product Detail Page */
.qf-product-top-bar {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    padding: var(--qf-space-xs) var(--qf-space-lg);
    margin-bottom: var(--qf-space-sm);
    background: var(--qf-white);
    border-radius: var(--qf-radius);
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}

/* 隐藏放大镜 */
.qf-product-content .product div.images .woocommerce-product-gallery__trigger {
    display: none !important;
}

.qf-product-top-bar .qf-shop-breadcrumb {
    padding: 0;
    margin: 0;
    font-size: 0.8125rem;
    color: var(--qf-text-light);
}

.qf-product-top-bar .qf-shop-breadcrumb .woocommerce-breadcrumb {
    margin: 0;
    padding: 0;
}

.qf-product-top-bar .qf-shop-breadcrumb a {
    color: var(--qf-primary);
}

.qf-product-content {
    background: var(--qf-white);
    border-radius: var(--qf-radius);
    padding: var(--qf-space-lg);
    box-shadow: 0 4px 24px rgba(0,0,0,0.06);
}

/* Single Product Layout - 只针对主产品区域 */
.qf-product-content > .product {
    display: grid;
    grid-template-columns: 45% 55%;
    gap: var(--qf-space-xl);
    align-items: start;
}

/* 重置相关商品中的product卡片 */
.qf-product-content .related li.product,
.qf-product-content .upsells li.product {
    display: block !important;
    grid-template-columns: none !important;
}

.qf-product-content > .product > div.images {
    grid-column: 1;
    grid-row: 1;
    max-width: 100%;
    overflow: hidden;
}

.qf-product-content > .product > div.summary {
    grid-column: 2;
    grid-row: 1;
}

.qf-product-content .product div.images {
    width: 100%;
    position: relative;
}

.qf-product-content .product div.images .woocommerce-product-gallery {
    width: 100% !important;
    float: none !important;
    margin: 0;
}

.qf-product-content .product div.images img {
    width: 100%;
    border-radius: var(--qf-radius);
}

.qf-product-content .product div.images figure {
    margin: 0;
}

/* 缩略图 */
.qf-product-content .product div.images .flex-control-thumbs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: var(--qf-space-sm);
    padding: 0;
    list-style: none;
}

.qf-product-content .product div.images .flex-control-thumbs li {
    width: 70px;
    height: 70px;
    cursor: pointer;
    border: 2px solid var(--qf-border);
    border-radius: var(--qf-radius-sm);
    overflow: hidden;
    transition: all var(--qf-transition);
}

.qf-product-content .product div.images .flex-control-thumbs li:hover,
.qf-product-content .product div.images .flex-control-thumbs li.flex-active {
    border-color: var(--qf-primary);
}

.qf-product-content .product div.images .flex-control-thumbs img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 产品信息 */
.qf-product-content .product div.summary {
    width: 100%;
}

.qf-product-content .product .product_title {
    font-size: 1.75rem;
    font-weight: 700;
    margin: 0 0 var(--qf-space-md);
    line-height: 1.4;
    color: var(--qf-text);
}

.qf-product-content .product p.price {
    font-size: 1.5rem;
    color: var(--qf-primary);
    font-weight: 700;
    margin-bottom: var(--qf-space-md);
}

.qf-product-content .product p.price del {
    color: var(--qf-text-light);
    font-size: 1rem;
    margin-right: 8px;
}

.qf-product-content .product p.price ins {
    text-decoration: none;
}

.qf-product-content .product .woocommerce-product-details__short-description {
    margin-bottom: var(--qf-space-lg);
    color: var(--qf-text-light);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* 变体表单 */
.qf-product-content .product form.cart {
    margin-bottom: var(--qf-space-sm);
}

.qf-product-content .product form.cart table.variations {
    width: auto;
    margin-bottom: 10px;
    border-collapse: collapse;
}

.qf-product-content .product form.cart table.variations tbody {
    display: block;
}

.qf-product-content .product form.cart table.variations tr {
    display: flex;
    align-items: center;
    margin-bottom: 6px;
}

.qf-product-content .product form.cart table.variations th,
.qf-product-content .product form.cart table.variations td {
    padding: 0;
    border: none;
    background: none;
    vertical-align: middle;
}

.qf-product-content .product form.cart table.variations th.label {
    width: auto;
    min-width: 60px;
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--qf-text);
    padding-right: 10px;
}

.qf-product-content .product form.cart table.variations td.value {
    display: flex;
    align-items: center;
}

.qf-product-content .product form.cart table.variations select {
    width: auto;
    min-width: 180px;
    padding: 6px 10px;
    border: 1px solid var(--qf-border);
    border-radius: var(--qf-radius-sm);
    font-size: 0.875rem;
}

/* 数量和购买按钮 */
.qf-product-content .product form.cart .quantity {
    display: inline-flex;
    align-items: center;
    margin-right: 10px;
}

.qf-product-content .product form.cart .quantity input {
    width: 55px;
    padding: 6px;
    text-align: center;
    border: 1px solid var(--qf-border);
    border-radius: var(--qf-radius-sm);
}

.qf-product-content .product form.cart .single_add_to_cart_button {
    display: inline-block;
    padding: 10px 30px;
    font-size: 0.9375rem;
    font-weight: 600;
    background: linear-gradient(135deg, var(--qf-primary), var(--qf-secondary));
    color: var(--qf-white);
    border: none;
    border-radius: var(--qf-radius-sm);
    cursor: pointer;
    transition: all var(--qf-transition);
}

.qf-product-content .product form.cart .single_add_to_cart_button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(99, 102, 241, 0.3);
}

/* 变体价格 */
.qf-product-content .product form.cart .woocommerce-variation-price {
    margin: var(--qf-space-sm) 0;
}

.qf-product-content .product form.cart .single_variation_wrap {
    margin-top: var(--qf-space-sm);
}

/* 商品元数据 */
.qf-product-content .product .product_meta {
    margin-top: var(--qf-space-lg);
    padding-top: var(--qf-space-md);
    border-top: 1px solid var(--qf-border);
    font-size: 0.875rem;
    color: var(--qf-text-light);
}

.qf-product-content .product .product_meta > span {
    display: block;
    margin-bottom: 8px;
}

.qf-product-content .product .product_meta a {
    color: var(--qf-primary);
}

/* Tabs */
.qf-product-content .product .woocommerce-tabs {
    grid-column: 1 / -1;
    margin-top: var(--qf-space-md);
}

.qf-product-content .product .woocommerce-tabs ul.tabs {
    display: flex;
    gap: var(--qf-space-sm);
    border-bottom: 2px solid var(--qf-border);
    padding: 0;
    margin: 0 0 var(--qf-space-lg);
    list-style: none;
}

.qf-product-content .product .woocommerce-tabs ul.tabs li {
    margin: 0;
    padding: 0;
    background: transparent;
    border: none;
}

.qf-product-content .product .woocommerce-tabs ul.tabs li a {
    display: block;
    padding: var(--qf-space-sm) var(--qf-space-md);
    font-weight: 600;
    color: var(--qf-text-light);
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: all var(--qf-transition);
}

.qf-product-content .product .woocommerce-tabs ul.tabs li.active a {
    color: var(--qf-primary);
    border-bottom-color: var(--qf-primary);
}

.qf-product-content .product .woocommerce-tabs .panel {
    padding: var(--qf-space-md) 0;
}

/* Related Products */
.qf-product-content .product .related,
.qf-product-content .product .upsells {
    grid-column: 1 / -1;
    margin-top: var(--qf-space-lg);
    padding-top: var(--qf-space-md);
    display: block;
    border-top: 1px solid var(--qf-border);
}

.qf-product-content .product .related h2,
.qf-product-content .product .upsells h2 {
    font-size: 1.25rem;
    margin-bottom: var(--qf-space-lg);
}

/* 相关商品列表 */
.qf-product-content .related ul.products,
.qf-product-content .upsells ul.products {
    display: grid !important;
    grid-template-columns: repeat(4, 1fr) !important;
    gap: var(--qf-space-lg) !important;
}

.qf-product-content .related ul.products li.product,
.qf-product-content .upsells ul.products li.product {
    width: 100% !important;
    margin: 0 !important;
    float: none !important;
    display: block !important;
}

/* 相关商品卡片内部结构 */
.qf-product-content .related li.product a.woocommerce-LoopProduct-link,
.qf-product-content .upsells li.product a.woocommerce-LoopProduct-link {
    display: block;
}

.qf-product-content .related li.product img,
.qf-product-content .upsells li.product img {
    width: 100%;
    height: auto;
    display: block;
}

@media (max-width: 1024px) {
    .qf-product-content .related ul.products,
    .qf-product-content .upsells ul.products {
        grid-template-columns: repeat(3, 1fr) !important;
    }
}

@media (max-width: 768px) {
    .qf-product-content .related ul.products,
    .qf-product-content .upsells ul.products {
        grid-template-columns: repeat(2, 1fr) !important;
    }
}

/* Responsive - 主产品区域 */
@media (max-width: 768px) {
    /* 容器基础设置 */
    .qf-woo-page .qf-container {
        padding: 0 8px;
    }
    
    /* 商品详情页 - 外层容器 */
    .qf-product-content {
        background: transparent;
        border-radius: 0;
        padding: 0;
        margin: 0;
        box-shadow: none;
    }
    
    /* 商品详情页 - Grid布局改为单列 */
    .qf-product-content > .product,
    .woocommerce div.product {
        display: block;
        padding: 8px;
    }
    
    /* 商品详情页 - 图片区域 */
    .qf-product-content > .product > div.images {
        width: 100%;
        margin-bottom: var(--qf-space-md);
    }
    
    /* 商品详情页 - 商品信息区域 */
    .qf-product-content > .product > div.summary {
        width: 100%;
        background: var(--qf-white);
        border-radius: var(--qf-radius);
        padding: 12px;
    }
    
    .qf-product-content > .product .product_title {
        font-size: 1.375rem;
    }
    
    /* 商品详情页 - Tabs区域 */
    .qf-product-content .product .woocommerce-tabs {
        background: var(--qf-white);
        border-radius: var(--qf-radius);
        padding: var(--qf-space-md);
        margin-top: var(--qf-space-md);
    }
    
    .qf-product-content .product .woocommerce-tabs .wc-tab {
        word-wrap: break-word;
        overflow-wrap: break-word;
    }
    
    .qf-product-content .product .woocommerce-tabs .wc-tab img {
        max-width: 100%;
        height: auto;
    }
    
    /* 商品详情页 - 相关商品区域 */
    .qf-product-content .related,
    .qf-product-content .upsells {
        background: var(--qf-white);
        border-radius: var(--qf-radius);
        padding: var(--qf-space-md);
    }
    
    /* 商品详情页 - 缩略图 */
    .qf-product-content .product div.images .flex-control-thumbs {
        margin-top: 10px;
        gap: 6px;
    }
    
    .qf-product-content .product div.images .flex-control-thumbs li {
        width: 55px;
        height: 55px;
    }
}

/* Shop Page */
.qf-shop-page {
    padding: var(--qf-space-lg) 0;
}

/* 隐藏重复的商店标题 */
.qf-woo-page .woocommerce-products-header,
.qf-woo-page .page-title,
.qf-woo-page h1.woocommerce-products-header__title,
.qf-woo-page .qf-shop-products .page-title,
.qf-woo-page .qf-shop-products > h1,
.qf-shop-products > .woocommerce > .page-title {
    display: none !important;
}

/* 子分类样式 */
.qf-woo-page .term-description {
    margin-bottom: var(--qf-space-md);
    color: var(--qf-text-light);
}

.qf-woo-page ul.products li.product-category {
    text-align: center;
}

.qf-woo-page ul.products li.product-category a {
    display: block;
    background: var(--qf-white);
    border-radius: var(--qf-radius);
    padding: var(--qf-space-md);
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    transition: all var(--qf-transition);
}

.qf-woo-page ul.products li.product-category a:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
}

.qf-woo-page ul.products li.product-category img {
    width: 100%;
    height: 150px;
    object-fit: contain;
    border-radius: var(--qf-radius-sm);
    margin-bottom: var(--qf-space-sm);
    background: var(--qf-bg);
}

.qf-woo-page ul.products li.product-category h2,
.qf-woo-page ul.products li.product-category .woocommerce-loop-category__title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--qf-text);
    margin: 0;
}

.qf-woo-page ul.products li.product-category .count {
    display: inline-block;
    background: linear-gradient(135deg, var(--qf-primary), var(--qf-secondary));
    color: var(--qf-white);
    font-size: 0.75rem;
    padding: 2px 8px;
    border-radius: 10px;
    margin-left: 5px;
}

.qf-shop-page .qf-container {
    max-width: var(--qf-container);
    margin: 0 auto;
    padding: 0 var(--qf-space-lg);
}

/* Remove sidebar layout for shop page */
.qf-shop-page .qf-layout,
.qf-woo-content .qf-layout {
    display: block !important;
    grid-template-columns: none !important;
}

.qf-shop-page .qf-sidebar,
.qf-woo-content .qf-sidebar {
    display: none !important;
}

.qf-shop-page .qf-main,
.qf-woo-content .qf-main {
    max-width: 100% !important;
}

/* Override any inherited grid layout */
main.qf-main-content.qf-woo-content .qf-layout {
    display: block !important;
}

/* Shop Page Header Compact */
.qf-shop-top-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--qf-space-md) var(--qf-space-lg);
    margin-bottom: var(--qf-space-md);
    background: var(--qf-white);
    border-radius: var(--qf-radius);
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    flex-wrap: wrap;
    gap: var(--qf-space-sm);
}

.qf-shop-top-bar .qf-shop-breadcrumb {
    padding: 0;
    margin: 0;
    font-size: 0.8125rem;
    color: var(--qf-text-light);
}

.qf-shop-top-bar .qf-shop-breadcrumb a {
    color: var(--qf-primary);
}

.qf-shop-info {
    display: flex;
    align-items: center;
    gap: var(--qf-space-lg);
    flex-wrap: wrap;
}

.qf-shop-info .qf-shop-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0;
    background: linear-gradient(135deg, var(--qf-primary), var(--qf-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.qf-shop-info .woocommerce-result-count {
    margin: 0;
    color: var(--qf-text-light);
    font-size: 0.875rem;
    padding-left: var(--qf-space-md);
    border-left: 1px solid var(--qf-border);
}

.qf-shop-actions {
    display: flex;
    align-items: center;
    gap: var(--qf-space-lg);
}

.qf-shop-actions .qf-shop-breadcrumb {
    display: flex;
    align-items: center;
    height: 32px;
    line-height: 32px;
}

.qf-shop-actions .qf-shop-breadcrumb .woocommerce-breadcrumb {
    margin-bottom: 0;
    padding: 0;
}

.qf-shop-actions .woocommerce-ordering {
    margin: 0;
    display: flex;
    align-items: center;
}

.qf-shop-actions .woocommerce-ordering select {
    padding: 6px 12px;
    border: 1px solid var(--qf-border);
    border-radius: var(--qf-radius-sm);
    background: var(--qf-bg);
    font-size: 0.875rem;
    color: var(--qf-text);
    cursor: pointer;
    transition: all var(--qf-transition);
    height: 32px;
}

.qf-shop-actions .woocommerce-ordering select:focus {
    outline: none;
    border-color: var(--qf-primary);
}

@media (max-width: 768px) {
    .qf-shop-top-bar {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .qf-shop-info .woocommerce-result-count {
        border-left: none;
        padding-left: 0;
    }
}

.qf-shop-products {
    width: 100%;
}

.qf-shop-products ul.products {
    display: grid !important;
    grid-template-columns: repeat(4, 1fr) !important;
    gap: var(--qf-space-lg) !important;
    margin-bottom: 0 !important;
    width: 100% !important;
}

@media (max-width: 1024px) {
    .qf-shop-products ul.products {
        grid-template-columns: repeat(3, 1fr) !important;
    }
}

@media (max-width: 768px) {
    .qf-shop-products ul.products {
        grid-template-columns: repeat(2, 1fr) !important;
    }
}

/* Hide default WooCommerce elements we've customized */
.qf-shop-page .woocommerce-products-header {
    display: none;
}

.qf-shop-products > .woocommerce-result-count,
.qf-shop-products > .woocommerce-ordering {
    display: none;
}

/* WooCommerce Pagination */
.woocommerce-pagination,
.woocommerce nav.woocommerce-pagination {
    margin-top: var(--qf-space-xl);
    text-align: center;
}

.woocommerce-pagination ul,
.woocommerce nav.woocommerce-pagination ul {
    display: inline-flex;
    gap: var(--qf-space-xs);
    border: none;
    list-style: none;
    padding: 0;
    margin: 0;
}

.woocommerce-pagination ul li,
.woocommerce nav.woocommerce-pagination ul li {
    border: none;
    margin: 0;
    padding: 0;
}

.woocommerce-pagination ul li a,
.woocommerce-pagination ul li span,
.woocommerce nav.woocommerce-pagination ul li a,
.woocommerce nav.woocommerce-pagination ul li span {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 var(--qf-space-sm);
    background: var(--qf-white);
    border: 1px solid var(--qf-border);
    border-radius: var(--qf-radius-sm);
    color: var(--qf-text);
    font-weight: 500;
    transition: all var(--qf-transition);
    text-decoration: none;
}

.woocommerce-pagination ul li a:hover,
.woocommerce nav.woocommerce-pagination ul li a:hover {
    background: var(--qf-primary);
    border-color: var(--qf-primary);
    color: var(--qf-white);
}

.woocommerce-pagination ul li span.current,
.woocommerce nav.woocommerce-pagination ul li span.current {
    background: linear-gradient(135deg, var(--qf-primary), var(--qf-secondary));
    border-color: transparent;
    color: var(--qf-white);
}

/* Shop Page Layout */
.woocommerce-page .qf-main {
    max-width: 100%;
}

.woocommerce-page .woocommerce {
    max-width: var(--qf-container);
    margin: 0 auto;
    padding: 0 var(--qf-space-md);
}

/* Breadcrumb */
.woocommerce .woocommerce-breadcrumb {
    padding: var(--qf-space-md) 0;
    margin-bottom: var(--qf-space-lg);
    font-size: 0.875rem;
    color: var(--qf-text-light);
}

.woocommerce .woocommerce-breadcrumb a {
    color: var(--qf-primary);
}

/* ==========================================================================
   Comments
   ========================================================================== */
.qf-comments {
    margin-top: var(--qf-space-2xl);
    padding: var(--qf-space-xl);
    background: var(--qf-white);
    border-radius: var(--qf-radius);
}

.qf-comments-title {
    font-size: 1.5rem;
    margin-bottom: var(--qf-space-lg);
}

.qf-comment-list {
    list-style: none;
}

.qf-comment-item {
    padding: var(--qf-space-lg) 0;
    border-bottom: 1px solid var(--qf-border);
}

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

.qf-comment-header {
    display: flex;
    align-items: center;
    gap: var(--qf-space-md);
    margin-bottom: var(--qf-space-sm);
}

.qf-comment-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    overflow: hidden;
}

.qf-comment-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.qf-comment-author {
    font-weight: 600;
    color: var(--qf-text);
}

.qf-comment-date {
    font-size: 0.875rem;
    color: var(--qf-text-muted);
}

.qf-comment-content {
    padding-left: calc(48px + var(--qf-space-md));
    color: var(--qf-text-light);
}

.qf-comment-reply {
    padding-left: calc(48px + var(--qf-space-md));
    margin-top: var(--qf-space-sm);
}

.qf-comment-reply a {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--qf-primary);
}

/* Comment Form */
.qf-comment-form {
    margin-top: var(--qf-space-xl);
}

.qf-comment-form label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--qf-space-xs);
}

.qf-comment-form input[type="text"],
.qf-comment-form input[type="email"],
.qf-comment-form textarea {
    width: 100%;
    padding: var(--qf-space-md);
    border: 1px solid var(--qf-border);
    border-radius: var(--qf-radius-sm);
    font-family: inherit;
    font-size: 1rem;
    margin-bottom: var(--qf-space-md);
    transition: all var(--qf-transition);
}

.qf-comment-form input:focus,
.qf-comment-form textarea:focus {
    outline: none;
    border-color: var(--qf-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.qf-comment-form textarea {
    min-height: 150px;
    resize: vertical;
}

.qf-comment-form .submit {
    background: linear-gradient(135deg, var(--qf-primary), var(--qf-secondary));
    color: var(--qf-white);
    border: none;
    padding: var(--qf-space-md) var(--qf-space-xl);
    border-radius: var(--qf-radius-sm);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--qf-transition);
}

.qf-comment-form .submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(99, 102, 241, 0.3);
}

/* ==========================================================================
   404 Page
   ========================================================================== */
.qf-404 {
    text-align: center;
    padding: var(--qf-space-3xl) 0;
}

.qf-404-title {
    font-size: 8rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--qf-primary), var(--qf-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: var(--qf-space-md);
}

.qf-404-text {
    font-size: 1.25rem;
    color: var(--qf-text-light);
    margin-bottom: var(--qf-space-xl);
}

/* ==========================================================================
   Search
   ========================================================================== */
.qf-search-form {
    display: flex;
    gap: var(--qf-space-sm);
    max-width: 500px;
    margin: 0 auto;
}

.qf-search-form input[type="search"] {
    flex: 1;
    padding: var(--qf-space-md) var(--qf-space-lg);
    border: 2px solid var(--qf-border);
    border-radius: var(--qf-radius-xl);
    font-size: 1rem;
    transition: all var(--qf-transition);
}

.qf-search-form input[type="search"]:focus {
    outline: none;
    border-color: var(--qf-primary);
}

.qf-search-form button {
    padding: var(--qf-space-md) var(--qf-space-xl);
    background: linear-gradient(135deg, var(--qf-primary), var(--qf-secondary));
    color: var(--qf-white);
    border: none;
    border-radius: var(--qf-radius-xl);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--qf-transition);
}

.qf-search-form button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(99, 102, 241, 0.3);
}

/* ==========================================================================
   Utilities
   ========================================================================== */
.qf-sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.qf-text-center { text-align: center; }
.qf-text-left { text-align: left; }
.qf-text-right { text-align: right; }

.qf-mt-0 { margin-top: 0; }
.qf-mb-0 { margin-bottom: 0; }
.qf-mt-lg { margin-top: var(--qf-space-lg); }
.qf-mb-lg { margin-bottom: var(--qf-space-lg); }

/* Archive Header */
.qf-archive-header {
    text-align: center;
    padding: var(--qf-space-2xl) 0;
    background: linear-gradient(135deg, var(--qf-primary), var(--qf-secondary));
    color: var(--qf-white);
    margin-bottom: var(--qf-space-xl);
    border-radius: 0 0 var(--qf-radius-xl) var(--qf-radius-xl);
}

.qf-archive-title {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: var(--qf-space-sm);
}

.qf-archive-desc {
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto;
}

/* Screenreader Text */
.screen-reader-text {
    border: 0;
    clip: rect(1px, 1px, 1px, 1px);
    clip-path: inset(50%);
    height: 1px;
    margin: -1px;
    overflow: hidden;
    padding: 0;
    position: absolute;
    width: 1px;
    word-wrap: normal !important;
}

/* ==========================================================================
   WooCommerce - Cart Page
   ========================================================================== */

/* 购物车页面重置 */
.woocommerce-cart .qf-page-header {
    display: none;
}

.woocommerce-cart .qf-post-body,
.woocommerce-cart .qf-woo-content,
.woocommerce-cart .entry-content {
    max-width: 100% !important;
    padding: 0 !important;
}

.woocommerce-cart .woocommerce {
    display: flex;
    flex-wrap: wrap;
    gap: var(--qf-space-lg);
    width: 100%;
}

.woocommerce-cart .woocommerce > .woocommerce-notices-wrapper {
    width: 100%;
    order: 0;
}

.woocommerce-cart .woocommerce > form {
    flex: 2;
    min-width: 0;
    order: 1;
    background: var(--qf-white);
    border-radius: var(--qf-radius);
    box-shadow: 0 2px 16px rgba(0,0,0,0.06);
    overflow: hidden;
}

.woocommerce-cart .woocommerce > .cart-collaterals {
    flex: 1;
    min-width: 320px;
    order: 2;
}

/* 购物车表格 */
.woocommerce-cart table.shop_table {
    width: 100%;
    border-collapse: collapse;
}

.woocommerce-cart table.shop_table th {
    background: var(--qf-bg);
    padding: 12px 16px;
    text-align: left;
    font-weight: 600;
    font-size: 0.8125rem;
    color: var(--qf-text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.woocommerce-cart table.shop_table td {
    padding: 16px;
    border-bottom: 1px solid var(--qf-border);
    vertical-align: middle;
}

.woocommerce-cart table.shop_table .product-thumbnail img {
    width: 50px;
    height: 50px;
    object-fit: cover;
    border-radius: var(--qf-radius-sm);
}

.woocommerce-cart table.shop_table .product-name a {
    color: var(--qf-text);
    font-weight: 500;
    font-size: 0.9375rem;
}

.woocommerce-cart table.shop_table .product-name a:hover {
    color: var(--qf-primary);
}

.woocommerce-cart table.shop_table .product-name .variation {
    font-size: 0.8125rem;
    color: var(--qf-text-light);
    margin-top: 4px;
}

.woocommerce-cart table.shop_table .product-price,
.woocommerce-cart table.shop_table .product-subtotal {
    font-weight: 600;
    color: var(--qf-primary);
}

.woocommerce-cart table.shop_table .product-quantity .quantity {
    display: inline-flex;
    align-items: center;
    border: 1px solid var(--qf-border);
    border-radius: var(--qf-radius-sm);
}

.woocommerce-cart table.shop_table .product-quantity .quantity input {
    width: 50px;
    padding: 6px;
    text-align: center;
    border: none;
    font-size: 0.875rem;
}

.woocommerce-cart table.shop_table .product-remove a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    color: #999;
    font-size: 1.25rem;
    border-radius: 50%;
    transition: all var(--qf-transition);
}

.woocommerce-cart table.shop_table .product-remove a:hover {
    background: #fee;
    color: #dc3545;
}

/* 操作区域 */
.woocommerce-cart table.shop_table .actions {
    padding: 16px;
    background: var(--qf-bg);
}

.woocommerce-cart table.shop_table .actions td {
    padding: 0;
    border: none;
}

.woocommerce-cart .coupon {
    display: inline-flex;
    gap: 8px;
    align-items: center;
}

.woocommerce-cart .coupon input {
    padding: 8px 12px;
    border: 1px solid var(--qf-border);
    border-radius: var(--qf-radius-sm);
    font-size: 0.8125rem;
    width: 140px;
}

.woocommerce-cart .coupon button {
    padding: 8px 16px;
    background: var(--qf-white);
    border: 1px solid var(--qf-border);
    border-radius: var(--qf-radius-sm);
    font-size: 0.8125rem;
    cursor: pointer;
    transition: all var(--qf-transition);
}

.woocommerce-cart button[name="update_cart"] {
    padding: 8px 16px;
    background: var(--qf-white);
    border: 1px solid var(--qf-border);
    border-radius: var(--qf-radius-sm);
    font-size: 0.8125rem;
    cursor: pointer;
    float: right;
    transition: all var(--qf-transition);
}

.woocommerce-cart .coupon button:hover,
.woocommerce-cart button[name="update_cart"]:hover:not(:disabled) {
    background: var(--qf-primary);
    color: var(--qf-white);
    border-color: var(--qf-primary);
}

.woocommerce-cart button[name="update_cart"]:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Cart Totals */
.woocommerce-cart .cart_totals {
    background: var(--qf-white);
    border-radius: var(--qf-radius);
    padding: var(--qf-space-lg);
    box-shadow: 0 2px 16px rgba(0,0,0,0.06);
    position: sticky;
    top: calc(var(--qf-header-height) + var(--qf-space-md));
}

.woocommerce-cart .cart_totals > h2 {
    font-size: 1.125rem;
    font-weight: 600;
    margin: 0 0 var(--qf-space-md);
    padding-bottom: var(--qf-space-sm);
    border-bottom: 2px solid var(--qf-border);
}

.woocommerce-cart .cart_totals table {
    width: 100%;
    margin-bottom: var(--qf-space-md);
}

.woocommerce-cart .cart_totals table th,
.woocommerce-cart .cart_totals table td {
    padding: 12px 0;
    border-bottom: 1px solid var(--qf-border);
    font-size: 0.9375rem;
}

.woocommerce-cart .cart_totals table th {
    text-align: left;
    font-weight: 500;
    color: var(--qf-text-light);
}

.woocommerce-cart .cart_totals table td {
    text-align: right;
    font-weight: 600;
    color: var(--qf-text);
}

.woocommerce-cart .cart_totals .order-total th,
.woocommerce-cart .cart_totals .order-total td {
    font-size: 1.125rem;
    border-bottom: none;
    padding-top: var(--qf-space-md);
}

.woocommerce-cart .cart_totals .order-total td {
    color: var(--qf-primary);
}

/* 配送方式对齐 */
.woocommerce-cart .cart_totals .shipping td {
    text-align: left;
}

.woocommerce-cart .cart_totals #shipping_method {
    list-style: none;
    padding: 0;
    margin: 0;
}

.woocommerce-cart .cart_totals #shipping_method li {
    margin-bottom: 8px;
    display: flex;
    align-items: center;
}

.woocommerce-cart .cart_totals #shipping_method li input[type="radio"] {
    margin: 0 8px 0 0;
    flex-shrink: 0;
}

.woocommerce-cart .cart_totals #shipping_method li label {
    display: inline;
    font-weight: normal;
    cursor: pointer;
    font-size: 0.9375rem;
}

.woocommerce-cart .cart_totals .woocommerce-shipping-destination {
    margin-top: 10px;
    font-size: 0.8125rem;
    color: var(--qf-text-light);
}

.woocommerce-cart .cart_totals .shipping-calculator-button {
    display: inline-block;
    margin-top: 8px;
    color: var(--qf-primary);
    font-size: 0.8125rem;
}

.woocommerce-cart .wc-proceed-to-checkout {
    margin-top: var(--qf-space-md);
}

.woocommerce-cart .wc-proceed-to-checkout a {
    display: block;
    width: 100%;
    padding: 14px 20px;
    background: linear-gradient(135deg, var(--qf-primary), var(--qf-secondary));
    color: var(--qf-white);
    text-align: center;
    border-radius: var(--qf-radius-sm);
    font-weight: 600;
    font-size: 1rem;
    transition: all var(--qf-transition);
}

.woocommerce-cart .wc-proceed-to-checkout a:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(99, 102, 241, 0.35);
}

/* 通知消息样式 */
.woocommerce-cart .woocommerce-message {
    background: #d4edda;
    border: 1px solid #c3e6cb;
    color: #155724;
    padding: 12px 16px;
    border-radius: var(--qf-radius-sm);
    margin-bottom: var(--qf-space-md);
}

.woocommerce-cart .woocommerce-message a {
    color: #155724;
    font-weight: 600;
}

/* 购物车响应式 */
@media (max-width: 992px) {
    .woocommerce-cart .woocommerce {
        flex-direction: column;
    }
    
    .woocommerce-cart .woocommerce > form,
    .woocommerce-cart .woocommerce > .cart-collaterals {
        flex: none;
        width: 100%;
        min-width: 100%;
    }
    
    .woocommerce-cart .cart_totals {
        position: static;
    }
    
    .woocommerce-cart .cart_totals table {
        width: 100%;
    }
    
    .woocommerce-cart .cart_totals table tr {
        display: flex;
        justify-content: space-between;
        align-items: flex-start;
    }
    
    .woocommerce-cart .cart_totals table th,
    .woocommerce-cart .cart_totals table td {
        width: auto;
        padding: 12px 0;
    }
    
    .woocommerce-cart .cart_totals table th {
        text-align: left;
        white-space: nowrap;
        flex-shrink: 0;
        padding-right: 12px;
    }
    
    .woocommerce-cart .cart_totals table td {
        text-align: right;
        flex: 1;
    }
    
    /* 运送方式特殊处理 */
    .woocommerce-cart .cart_totals .shipping th {
        padding-top: 14px;
    }
    
    .woocommerce-cart .cart_totals .shipping td {
        text-align: left;
    }
}

/* ==========================================================================
   手机端购物车商品列表 - 独立样式
   ========================================================================== */
@media (max-width: 768px) {
    /* 隐藏表头 */
    .woocommerce-cart table.shop_table.cart thead {
        display: none;
    }
    
    /* 商品行 - 使用Grid布局 */
    .woocommerce-cart table.shop_table.cart tbody tr.cart_item {
        display: grid;
        grid-template-columns: 70px 1fr auto;
        grid-template-rows: auto auto;
        grid-template-areas: 
            "thumb name remove"
            "thumb info info";
        gap: 8px 12px;
        padding: 16px;
        border-bottom: 1px solid var(--qf-border);
        align-items: start;
    }
    
    /* 单元格重置 */
    .woocommerce-cart table.shop_table.cart tbody tr.cart_item td {
        border: none;
        padding: 0;
        display: block;
    }
    
    /* 商品图片 */
    .woocommerce-cart table.shop_table.cart .product-thumbnail {
        grid-area: thumb;
        width: 70px;
    }
    
    .woocommerce-cart table.shop_table.cart .product-thumbnail img {
        width: 70px;
        height: 70px;
        object-fit: cover;
        border-radius: 6px;
    }
    
    /* 商品名称 */
    .woocommerce-cart table.shop_table.cart .product-name {
        grid-area: name;
        font-size: 14px;
        line-height: 1.4;
        padding-right: 0;
    }
    
    /* 删除按钮 */
    .woocommerce-cart table.shop_table.cart .product-remove {
        grid-area: remove;
        text-align: right;
    }
    
    .woocommerce-cart table.shop_table.cart .product-remove a {
        font-size: 18px;
        color: var(--qf-text-light);
    }
    
    /* 隐藏单价列 */
    .woocommerce-cart table.shop_table.cart .product-price {
        display: none !important;
    }
    
    /* 数量和小计 - 合并到info区域 */
    .woocommerce-cart table.shop_table.cart .product-quantity {
        grid-area: info;
        display: flex;
        align-items: center;
        justify-content: space-between;
    }
    
    .woocommerce-cart table.shop_table.cart .product-subtotal {
        position: absolute;
        right: 16px;
        bottom: 20px;
        font-weight: 600;
        color: var(--qf-primary);
    }
    
    /* 相对定位容器 */
    .woocommerce-cart table.shop_table.cart tbody tr.cart_item {
        position: relative;
    }
    
    /* 优惠券和更新按钮 */
    .woocommerce-cart .coupon {
        width: 100%;
        margin-bottom: 12px;
    }
    
    .woocommerce-cart .coupon input {
        flex: 1;
    }
    
    .woocommerce-cart button[name="update_cart"] {
        width: 100%;
        float: none;
    }
}

/* ==========================================================================
   WooCommerce - Checkout Page
   ========================================================================== */

/* 结账页面重置 */
.woocommerce-checkout .qf-post-body,
.woocommerce-checkout .qf-woo-content,
.woocommerce-checkout .entry-content {
    max-width: 100% !important;
    padding: 0 !important;
}

/* 结账表单布局 - 使用CSS Grid */
.woocommerce-checkout form.checkout {
    display: grid;
    grid-template-columns: 1fr 380px;
    grid-template-areas: 
        "customer order-title"
        "customer order-review";
    gap: var(--qf-space-lg) var(--qf-space-xl);
    align-items: start;
}

/* 左侧：账单信息 */
.woocommerce-checkout #customer_details {
    grid-area: customer;
}

/* 订单标题 */
.woocommerce-checkout #order_review_heading {
    grid-area: order-title;
    font-size: 1.125rem;
    font-weight: 600;
    margin: 0;
    padding-bottom: var(--qf-space-sm);
    border-bottom: 2px solid var(--qf-border);
    color: var(--qf-text);
    align-self: start;
}

/* 订单摘要 */
.woocommerce-checkout #order_review {
    grid-area: order-review;
    background: var(--qf-white);
    border-radius: var(--qf-radius);
    padding: var(--qf-space-lg);
    box-shadow: 0 2px 16px rgba(0,0,0,0.06);
    position: sticky;
    top: calc(var(--qf-header-height) + var(--qf-space-md));
}

/* 区块标题 */
.woocommerce-checkout h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--qf-space-md);
    padding-bottom: var(--qf-space-sm);
    border-bottom: 2px solid var(--qf-border);
    color: var(--qf-text);
}

/* 表单字段容器 */
.woocommerce-checkout .woocommerce-billing-fields__field-wrapper,
.woocommerce-checkout .woocommerce-shipping-fields__field-wrapper {
    display: flex;
    flex-wrap: wrap;
    gap: 0 4%;
}

/* 表单行 */
.woocommerce-checkout form .form-row {
    margin-bottom: var(--qf-space-md);
}

.woocommerce-checkout form .form-row label {
    display: block;
    font-size: 0.875rem;
    color: var(--qf-text);
    margin-bottom: 6px;
    font-weight: 500;
}

.woocommerce-checkout form .form-row label .required {
    color: var(--qf-primary);
}

.woocommerce-checkout form .form-row label .optional {
    color: var(--qf-text-light);
    font-weight: 400;
    font-size: 0.8125rem;
}

.woocommerce-checkout form .form-row .input-text,
.woocommerce-checkout form .form-row select,
.woocommerce-checkout form .form-row textarea {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--qf-border);
    border-radius: var(--qf-radius-sm);
    font-size: 0.9375rem;
    background: var(--qf-white);
    transition: border-color var(--qf-transition);
}

.woocommerce-checkout form .form-row .input-text:focus,
.woocommerce-checkout form .form-row select:focus,
.woocommerce-checkout form .form-row textarea:focus {
    border-color: var(--qf-primary);
    outline: none;
}

/* 两列表单 */
.woocommerce-checkout form .form-row-first,
.woocommerce-checkout form .form-row-last {
    width: 48% !important;
    float: none !important;
}

.woocommerce-checkout form .form-row-wide {
    width: 100% !important;
    clear: both;
}

/* 国家字段 - 标签和值同一行 */
.woocommerce-checkout #billing_country_field,
.woocommerce-checkout #shipping_country_field {
    display: flex;
    align-items: center;
    gap: 10px;
}

.woocommerce-checkout #billing_country_field > label,
.woocommerce-checkout #shipping_country_field > label {
    margin-bottom: 0;
    white-space: nowrap;
}

.woocommerce-checkout #billing_country_field strong,
.woocommerce-checkout #shipping_country_field strong {
    color: var(--qf-text);
}

/* Select2 下拉框 */
.woocommerce-checkout .select2-container--default .select2-selection--single {
    height: auto;
    padding: 8px 14px;
    border: 1px solid var(--qf-border);
    border-radius: var(--qf-radius-sm);
}

.woocommerce-checkout .select2-container--default .select2-selection--single .select2-selection__rendered {
    color: var(--qf-text);
    line-height: 1.5;
    padding: 0;
}

.woocommerce-checkout .select2-container--default .select2-selection--single .select2-selection__arrow {
    height: 100%;
    right: 10px;
}

/* 订单摘要区域 */
.woocommerce-checkout #order_review {
    background: var(--qf-white);
    border-radius: var(--qf-radius);
    padding: var(--qf-space-lg);
    box-shadow: 0 2px 16px rgba(0,0,0,0.06);
}

/* 订单商品表格 */
.woocommerce-checkout .woocommerce-checkout-review-order-table {
    width: 100%;
    margin-bottom: var(--qf-space-md);
}

.woocommerce-checkout .woocommerce-checkout-review-order-table thead th {
    padding: 10px 0;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--qf-text-light);
    text-transform: uppercase;
    border-bottom: 1px solid var(--qf-border);
}

.woocommerce-checkout .woocommerce-checkout-review-order-table tbody td,
.woocommerce-checkout .woocommerce-checkout-review-order-table tfoot td,
.woocommerce-checkout .woocommerce-checkout-review-order-table tfoot th {
    padding: 12px 0;
    border-bottom: 1px solid var(--qf-border);
}

.woocommerce-checkout .woocommerce-checkout-review-order-table .product-name {
    font-size: 0.9375rem;
}

.woocommerce-checkout .woocommerce-checkout-review-order-table .product-name .product-quantity {
    color: var(--qf-text-light);
    font-weight: 500;
}

.woocommerce-checkout .woocommerce-checkout-review-order-table .product-total {
    text-align: right;
    font-weight: 600;
    color: var(--qf-primary);
}

.woocommerce-checkout .woocommerce-checkout-review-order-table tfoot th {
    font-weight: 500;
    color: var(--qf-text-light);
}

.woocommerce-checkout .woocommerce-checkout-review-order-table tfoot td {
    text-align: right;
    font-weight: 600;
}

.woocommerce-checkout .woocommerce-checkout-review-order-table tfoot .order-total th,
.woocommerce-checkout .woocommerce-checkout-review-order-table tfoot .order-total td {
    font-size: 1.125rem;
    color: var(--qf-text);
    border-bottom: none;
    padding-top: var(--qf-space-md);
}

.woocommerce-checkout .woocommerce-checkout-review-order-table tfoot .order-total td {
    color: var(--qf-primary);
}

/* 配送方式 */
.woocommerce-checkout .woocommerce-checkout-review-order-table .shipping td {
    text-align: left;
}

.woocommerce-checkout #shipping_method {
    list-style: none;
    padding: 0;
    margin: 0;
}

.woocommerce-checkout #shipping_method li {
    display: flex;
    align-items: center;
    margin-bottom: 6px;
    white-space: nowrap;
}

.woocommerce-checkout #shipping_method li input[type="radio"] {
    margin: 0 6px 0 0;
    flex-shrink: 0;
}

.woocommerce-checkout #shipping_method li label {
    font-weight: normal;
    margin: 0;
    font-size: 0.875rem;
}

.woocommerce-checkout .woocommerce-shipping-destination {
    font-size: 0.8125rem;
    color: var(--qf-text-light);
    margin-top: 8px;
}

/* 支付方式 */
.woocommerce-checkout #payment {
    background: var(--qf-bg);
    border-radius: var(--qf-radius-sm);
    padding: var(--qf-space-md);
    margin-top: var(--qf-space-md);
}

.woocommerce-checkout #payment ul.payment_methods {
    list-style: none;
    padding: 0;
    margin: 0 0 var(--qf-space-md);
    border: none;
}

.woocommerce-checkout #payment ul.payment_methods li {
    padding: var(--qf-space-sm) 0;
    border-bottom: 1px solid var(--qf-border);
}

.woocommerce-checkout #payment ul.payment_methods li:last-child {
    border-bottom: none;
}

.woocommerce-checkout #payment ul.payment_methods li label {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 500;
    cursor: pointer;
}

.woocommerce-checkout #payment ul.payment_methods li img {
    max-height: 24px;
    width: auto;
}

.woocommerce-checkout #payment .payment_box {
    background: var(--qf-white);
    padding: var(--qf-space-sm);
    margin-top: var(--qf-space-sm);
    border-radius: var(--qf-radius-sm);
    font-size: 0.875rem;
    color: var(--qf-text-light);
}

/* 下单按钮 */
.woocommerce-checkout #place_order {
    width: 100%;
    padding: 14px 20px;
    background: linear-gradient(135deg, var(--qf-primary), var(--qf-secondary));
    color: var(--qf-white);
    border: none;
    border-radius: var(--qf-radius-sm);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--qf-transition);
}

.woocommerce-checkout #place_order:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(99, 102, 241, 0.35);
}

/* 隐私政策 */
.woocommerce-checkout .woocommerce-privacy-policy-text {
    font-size: 0.8125rem;
    color: var(--qf-text-light);
    margin-bottom: var(--qf-space-md);
}

/* 优惠券表单 */
.woocommerce-checkout .woocommerce-form-coupon-toggle {
    margin-bottom: var(--qf-space-md);
}

.woocommerce-checkout .woocommerce-form-coupon-toggle .woocommerce-info {
    background: var(--qf-bg);
    border: none;
    padding: var(--qf-space-sm) var(--qf-space-md);
    border-radius: var(--qf-radius-sm);
    font-size: 0.9375rem;
}

.woocommerce-checkout .woocommerce-form-coupon-toggle .woocommerce-info a {
    color: var(--qf-primary);
}

.woocommerce-checkout .checkout_coupon {
    background: var(--qf-bg);
    padding: var(--qf-space-md);
    border-radius: var(--qf-radius-sm);
    margin-bottom: var(--qf-space-lg);
    display: flex;
    gap: var(--qf-space-sm);
    align-items: flex-end;
}

.woocommerce-checkout .checkout_coupon .form-row {
    margin: 0;
    flex: 1;
}

.woocommerce-checkout .checkout_coupon button {
    padding: 10px 20px;
    background: var(--qf-primary);
    color: var(--qf-white);
    border: none;
    border-radius: var(--qf-radius-sm);
    cursor: pointer;
}

/* 结账响应式 */
@media (max-width: 992px) {
    .woocommerce-checkout form.checkout {
        display: block;
    }
    
    .woocommerce-checkout #customer_details {
        margin-bottom: var(--qf-space-xl);
    }
    
    .woocommerce-checkout #order_review {
        position: static;
    }
}

@media (max-width: 768px) {
    .woocommerce-checkout form .form-row-first,
    .woocommerce-checkout form .form-row-last {
        width: 100% !important;
    }
}

/* ==========================================================================
   WooCommerce - Order Received / Thank You Page
   ========================================================================== */

/* 页面重置 */
.woocommerce-order-received .qf-post-body,
.woocommerce-order-received .qf-woo-content,
.woocommerce-order-received .entry-content {
    max-width: 100% !important;
    padding: 0 !important;
}

.woocommerce-order-received .woocommerce {
    max-width: 900px;
    margin: 0 auto;
}

/* 感谢信息 */
.woocommerce-order-received .woocommerce-thankyou-order-received {
    text-align: center;
    font-size: 1.5rem;
    font-weight: 600;
    color: #10b981;
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1), rgba(99, 102, 241, 0.1));
    padding: var(--qf-space-xl);
    border-radius: var(--qf-radius);
    margin-bottom: var(--qf-space-xl);
}

.woocommerce-order-received .woocommerce-thankyou-order-received::before {
    content: "✓";
    display: block;
    width: 60px;
    height: 60px;
    line-height: 60px;
    font-size: 2rem;
    background: #10b981;
    color: var(--qf-white);
    border-radius: 50%;
    margin: 0 auto var(--qf-space-md);
}

/* 订单概览 */
.woocommerce-order-received .woocommerce-order-overview {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 0;
    background: var(--qf-white);
    border-radius: var(--qf-radius);
    box-shadow: 0 2px 16px rgba(0,0,0,0.06);
    padding: 0;
    margin-bottom: var(--qf-space-xl);
    list-style: none;
}

.woocommerce-order-received .woocommerce-order-overview li {
    text-align: center;
    padding: var(--qf-space-lg);
    border-right: 1px solid var(--qf-border);
    margin: 0;
}

.woocommerce-order-received .woocommerce-order-overview li:last-child {
    border-right: none;
}

.woocommerce-order-received .woocommerce-order-overview li strong {
    display: block;
    font-size: 1.125rem;
    color: var(--qf-primary);
    margin-top: 6px;
}

/* 订单详情 */
.woocommerce-order-received .woocommerce-order-details {
    background: var(--qf-white);
    border-radius: var(--qf-radius);
    box-shadow: 0 2px 16px rgba(0,0,0,0.06);
    padding: var(--qf-space-lg);
    margin-bottom: var(--qf-space-xl);
}

.woocommerce-order-received .woocommerce-order-details h2,
.woocommerce-order-received .woocommerce-customer-details h2 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--qf-space-md);
    padding-bottom: var(--qf-space-sm);
    border-bottom: 2px solid var(--qf-border);
    color: var(--qf-text);
}

.woocommerce-order-received .woocommerce-order-details table {
    width: 100%;
    border-collapse: collapse;
}

.woocommerce-order-received .woocommerce-order-details table th,
.woocommerce-order-received .woocommerce-order-details table td {
    padding: 12px 0;
    border-bottom: 1px solid var(--qf-border);
    text-align: left;
}

.woocommerce-order-received .woocommerce-order-details table th {
    font-weight: 500;
    color: var(--qf-text-light);
}

.woocommerce-order-received .woocommerce-order-details table td {
    text-align: right;
}

.woocommerce-order-received .woocommerce-order-details table td.product-name {
    text-align: left;
}

.woocommerce-order-received .woocommerce-order-details table tfoot th,
.woocommerce-order-received .woocommerce-order-details table tfoot td {
    font-weight: 600;
}

.woocommerce-order-received .woocommerce-order-details table tfoot .order-total th,
.woocommerce-order-received .woocommerce-order-details table tfoot .order-total td {
    font-size: 1.125rem;
    color: var(--qf-primary);
    border-bottom: none;
}

/* 客户信息 */
.woocommerce-order-received .woocommerce-customer-details {
    background: var(--qf-white);
    border-radius: var(--qf-radius);
    box-shadow: 0 2px 16px rgba(0,0,0,0.06);
    padding: var(--qf-space-lg);
}

.woocommerce-order-received .woocommerce-columns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--qf-space-xl);
}

.woocommerce-order-received .woocommerce-column h2 {
    font-size: 1rem;
    margin-bottom: var(--qf-space-sm);
}

.woocommerce-order-received .woocommerce-column address {
    font-style: normal;
    line-height: 1.8;
    color: var(--qf-text-light);
}

/* 订单成功页响应式 */
@media (max-width: 768px) {
    .woocommerce-order-received .woocommerce-order-overview {
        grid-template-columns: 1fr 1fr;
    }
    
    .woocommerce-order-received .woocommerce-order-overview li {
        border-bottom: 1px solid var(--qf-border);
    }
    
    .woocommerce-order-received .woocommerce-order-overview li:nth-child(2n) {
        border-right: none;
    }
    
    .woocommerce-order-received .woocommerce-columns {
        grid-template-columns: 1fr;
        gap: var(--qf-space-lg);
    }
}

/* ==========================================================================
   Mobile Bottom Navigation
   ========================================================================== */

/* 通用底部导航 - 默认隐藏 */
.qf-mobile-nav {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--qf-white);
    border-top: 1px solid var(--qf-border);
    z-index: 999;
    padding: 8px 0;
    padding-bottom: env(safe-area-inset-bottom, 8px);
}

.qf-mobile-nav-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    color: var(--qf-text-light);
    font-size: 11px;
    gap: 4px;
    position: relative;
    transition: color var(--qf-transition);
}

.qf-mobile-nav-item svg {
    width: 22px;
    height: 22px;
}

.qf-mobile-nav-item.active,
.qf-mobile-nav-item:hover {
    color: var(--qf-primary);
}

.qf-mobile-nav-line .qf-line-icon {
    width: 22px;
    height: 22px;
    object-fit: contain;
}

.qf-mobile-nav-badge {
    position: absolute;
    top: -2px;
    right: 50%;
    transform: translateX(12px);
    min-width: 16px;
    height: 16px;
    background: var(--qf-secondary);
    color: var(--qf-white);
    font-size: 10px;
    font-weight: 600;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 4px;
}

/* 商品详情页底部栏 - 默认隐藏 */
.qf-mobile-product-bar {
    display: none;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--qf-white);
    border-top: 1px solid var(--qf-border);
    z-index: 999;
    padding: 8px 12px;
    padding-bottom: env(safe-area-inset-bottom, 8px);
    gap: 8px;
    align-items: center;
}

.qf-product-bar-icon {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    color: var(--qf-text-light);
    font-size: 10px;
    gap: 2px;
    padding: 0 8px;
    position: relative;
}

.qf-product-bar-icon svg {
    width: 20px;
    height: 20px;
}

.qf-product-bar-btn {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 12px 16px;
    border-radius: var(--qf-radius-sm);
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    transition: all var(--qf-transition);
}

.qf-btn-cart {
    background: linear-gradient(135deg, #ff9800, #ff5722);
    color: var(--qf-white);
}

.qf-btn-buy {
    background: linear-gradient(135deg, var(--qf-primary), var(--qf-secondary));
    color: var(--qf-white);
}

.qf-btn-cart:hover,
.qf-btn-buy:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

/* 手机端显示 */
@media (max-width: 768px) {
    .qf-mobile-nav {
        display: flex;
    }
    
    /* 商品详情页显示产品栏，隐藏通用导航 */
    body.single-product .qf-mobile-nav {
        display: none;
    }
    
    body.single-product .qf-mobile-product-bar {
        display: flex;
    }
    
    /* 页面底部留出空间 */
    body {
        padding-bottom: 70px;
        overflow-x: hidden;
    }
    
    body.single-product {
        padding-bottom: 80px;
        overflow-x: hidden;
    }
    
    /* 页脚在手机端减少底部间距 */
    .qf-footer {
        margin-bottom: 0;
    }
}

/* PC端隐藏 */
@media (min-width: 769px) {
    .qf-mobile-nav,
    .qf-mobile-product-bar {
        display: none !important;
    }
}