/*
Theme Name: 艾奇仓主题
Theme URI: https://www.aiqicang.com
Description: 艾奇仓官方WordPress主题 | SEO优化 | GEO生成式引擎优化 | 东南亚海外仓专用主题
Version: 1.0.0
Author: 艾奇仓
Author URI: https://www.aiqicang.com
License: GPL v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: aiqicang
Tags: one-column, two-columns, custom-colors, custom-logo, custom-menu, editor-style, featured-images, footer-widgets, full-width-template, block-patterns, block-styles, wide-blocks

艾奇仓主题 - 东南亚海外仓一站式跨境物流主题
包含完整SEO元标签、GEO结构化数据（Article/FAQ/BreadcrumbList/Organization），
支持Schema.org JSON-LD、GEO语义标签、Open Graph。
*/

/* ============================================
   CSS 变量与基础配置
   ============================================ */
:root {
    --primary: #0052CC;       /* 艾奇仓蓝 */
    --primary-dark: #003D99;
    --primary-light: #E6F0FF;
    --accent: #FF6B35;        /* 活力橙 */
    --accent-dark: #E55A25;
    --accent-light: #FFF0EB;
    --gold: #F59E0B;          /* 金色点缀 */
    --bg: #F7F9FC;            /* 背景灰 */
    --bg-white: #FFFFFF;
    --bg-card: #FFFFFF;
    --text: #1A202C;          /* 主文本 */
    --text-secondary: #4A5568;
    --text-light: #718096;
    --border: #E2E8F0;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.1);
    --shadow-lg: 0 8px 30px rgba(0,0,0,0.12);
    --shadow-hover: 0 12px 40px rgba(0,82,204,0.15);
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font-main: 'PingFang SC', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, sans-serif;
    --max-w: 1200px;
}

/* ============================================
   重置与基础
   ============================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
    font-family: var(--font-main);
    color: var(--text);
    background: var(--bg);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-dark); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { list-style: none; }
button { cursor: pointer; font-family: inherit; }
input, textarea, select { font-family: inherit; }

/* 容器 */
.aiy-container { max-width: var(--max-w); margin: 0 auto; padding: 0 20px; }

/* ============================================
   头部导航
   ============================================ */
.site-header {
    background: var(--bg-white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    max-width: var(--max-w);
    margin: 0 auto;
    height: 70px;
    gap: 20px;
}
.site-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.3em;
    font-weight: 700;
    color: var(--primary);
    flex-shrink: 0;
}
.site-logo img { height: 42px; width: auto; }
.site-logo .logo-text { line-height: 1.2; }
.site-logo .logo-sub { font-size: 0.65em; color: var(--text-light); font-weight: 400; }

/* 导航 */
.main-nav { display: flex; align-items: center; gap: 4px; }
.main-nav a {
    padding: 8px 16px;
    color: var(--text-secondary);
    font-size: 0.95em;
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    white-space: nowrap;
}
.main-nav a:hover, .main-nav a.current-menu-item,
.main-nav a[aria-current="page"] {
    color: var(--primary);
    background: var(--primary-light);
}
.main-nav .menu-item-has-children { position: relative; }
.main-nav .sub-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--bg-white);
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius-md);
    min-width: 200px;
    padding: 8px;
    display: none;
    z-index: 100;
    border: 1px solid var(--border);
}
.main-nav .menu-item-has-children:hover .sub-menu { display: block; }
.main-nav .sub-menu a {
    display: block;
    padding: 10px 16px;
    border-radius: var(--radius-sm);
}
.main-nav .sub-menu a:hover { background: var(--primary-light); }

/* 移动端菜单按钮 */
.menu-toggle { display: none; background: none; border: none; padding: 8px; cursor: pointer; }
.menu-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--text);
    margin: 5px 0;
    border-radius: 2px;
    transition: var(--transition);
}

/* ============================================
   Hero 区域
   ============================================ */
.hero-section {
    background: linear-gradient(135deg, #003D99 0%, #0052CC 40%, #0073E6 70%, #00B4D8 100%);
    color: #fff;
    padding: 80px 0 70px;
    position: relative;
    overflow: hidden;
}
.hero-section::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.04'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.hero-inner {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
    position: relative;
}
.hero-content h1 {
    font-size: 2.6em;
    font-weight: 800;
    line-height: 1.25;
    margin-bottom: 20px;
}
.hero-content .hero-subtitle {
    font-size: 1.15em;
    opacity: 0.9;
    margin-bottom: 30px;
    line-height: 1.8;
}
.hero-badges { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 30px; }
.hero-badge {
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.25);
    padding: 6px 14px;
    border-radius: 50px;
    font-size: 0.88em;
    color: #fff;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.btn-primary {
    background: var(--accent);
    color: #fff !important;
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 700;
    font-size: 1em;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}
.btn-primary:hover {
    background: var(--accent-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(255,107,53,0.35);
    color: #fff !important;
}
.btn-outline {
    border: 2px solid rgba(255,255,255,0.4);
    color: #fff !important;
    padding: 12px 28px;
    border-radius: 50px;
    font-weight: 600;
    transition: var(--transition);
}
.btn-outline:hover {
    border-color: #fff;
    background: rgba(255,255,255,0.1);
    color: #fff !important;
}
.hero-visual {
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.platform-cards {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 12px;
}
.platform-card {
    background: rgba(255,255,255,0.12);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: var(--radius-md);
    padding: 16px 12px;
    text-align: center;
    color: #fff;
    transition: var(--transition);
}
.platform-card:hover { background: rgba(255,255,255,0.2); transform: translateY(-3px); }
.platform-card .p-icon { font-size: 1.8em; margin-bottom: 6px; }
.platform-card .p-name { font-size: 0.8em; font-weight: 600; }
.stats-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}
.stat-box {
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: var(--radius-md);
    padding: 14px 10px;
    text-align: center;
    color: #fff;
}
.stat-box .stat-num { font-size: 1.5em; font-weight: 800; color: var(--gold); }
.stat-box .stat-label { font-size: 0.75em; opacity: 0.8; margin-top: 2px; }

/* ============================================
   平台认证
   ============================================ */
.cert-section { padding: 50px 0; background: var(--bg-white); }
.section-title { text-align: center; margin-bottom: 12px; }
.section-title h2 { font-size: 1.8em; font-weight: 700; color: var(--text); }
.section-title p { color: var(--text-light); font-size: 1em; margin-top: 6px; }
.cert-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 30px;
}
.cert-card {
    background: var(--bg);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    text-align: center;
    border: 1px solid var(--border);
    transition: var(--transition);
}
.cert-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary);
}
.cert-card .cert-icon { font-size: 3em; margin-bottom: 14px; }
.cert-card h3 { font-size: 1.1em; font-weight: 700; color: var(--text); margin-bottom: 10px; }
.cert-card p { font-size: 0.9em; color: var(--text-secondary); line-height: 1.7; }
.cert-tags { display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; margin-top: 12px; }
.cert-tag {
    background: var(--primary-light);
    color: var(--primary);
    padding: 3px 10px;
    border-radius: 50px;
    font-size: 0.78em;
    font-weight: 500;
}

/* ============================================
   核心服务
   ============================================ */
.services-section { padding: 70px 0; background: var(--bg); }
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 35px;
}
.service-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 32px 26px;
    border: 1px solid var(--border);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.service-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    transform: scaleX(0);
    transition: transform 0.3s;
}
.service-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-hover); border-color: transparent; }
.service-card:hover::before { transform: scaleX(1); }
.service-card .svc-icon { font-size: 2.5em; margin-bottom: 14px; }
.service-card h3 { font-size: 1.05em; font-weight: 700; color: var(--text); margin-bottom: 8px; }
.service-card p { font-size: 0.9em; color: var(--text-secondary); line-height: 1.7; }

/* ============================================
   数据统计
   ============================================ */
.stats-section {
    padding: 60px 0;
    background: linear-gradient(135deg, #003D99, #0052CC);
    color: #fff;
}
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; text-align: center; margin-top: 30px; }
.stats-item { padding: 20px; }
.stats-item .s-num { font-size: 2.8em; font-weight: 800; color: var(--gold); line-height: 1; }
.stats-item .s-label { font-size: 0.95em; opacity: 0.85; margin-top: 6px; }
.stats-item .s-desc { font-size: 0.8em; opacity: 0.65; margin-top: 4px; }

/* ============================================
   博客/栏目文章网格
   ============================================ */
.blog-section { padding: 70px 0; background: var(--bg-white); }
.blog-tabs { display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; margin-bottom: 35px; }
.blog-tab {
    padding: 8px 22px;
    border: 1.5px solid var(--border);
    border-radius: 50px;
    background: var(--bg-white);
    color: var(--text-secondary);
    font-size: 0.92em;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}
.blog-tab:hover { border-color: var(--primary); color: var(--primary); }
.blog-tab.active {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
}
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
}
.blog-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border);
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}
.blog-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.blog-card-thumb {
    position: relative;
    height: 190px;
    overflow: hidden;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
}
.blog-card-thumb img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform 0.4s;
}
.blog-card:hover .blog-card-thumb img { transform: scale(1.05); }
.blog-card-cat {
    position: absolute;
    top: 12px;
    left: 12px;
    background: var(--primary);
    color: #fff;
    padding: 3px 12px;
    border-radius: 50px;
    font-size: 0.75em;
    font-weight: 600;
}
.blog-card-body { padding: 20px; flex: 1; display: flex; flex-direction: column; }
.blog-card-body h3 {
    font-size: 1em;
    font-weight: 600;
    line-height: 1.5;
    margin-bottom: 10px;
    color: var(--text);
    flex: 1;
}
.blog-card-body h3 a { color: inherit; }
.blog-card-body h3 a:hover { color: var(--primary); }
.blog-card-excerpt {
    font-size: 0.88em;
    color: var(--text-secondary);
    line-height: 1.65;
    margin-bottom: 14px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.blog-card-meta { display: flex; align-items: center; gap: 12px; font-size: 0.8em; color: var(--text-light); }
.blog-card-meta .meta-date {}
.blog-card-meta .meta-read {}

/* ============================================
   单篇文章
   ============================================ */
.single-post { padding: 40px 0 60px; }
.single-header {
    max-width: 760px;
    margin: 0 auto 30px;
    text-align: center;
}
.single-cat {
    display: inline-block;
    background: var(--primary);
    color: #fff;
    padding: 4px 16px;
    border-radius: 50px;
    font-size: 0.82em;
    font-weight: 600;
    margin-bottom: 16px;
}
.single-title { font-size: 2em; font-weight: 800; color: var(--text); line-height: 1.35; margin-bottom: 16px; }
.single-meta { color: var(--text-light); font-size: 0.9em; display: flex; gap: 16px; justify-content: center; }
.single-featured {
    max-width: 760px;
    margin: 0 auto 30px;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}
.single-featured img { width: 100%; height: auto; max-height: 450px; object-fit: cover; }
.single-content { max-width: 760px; margin: 0 auto; font-size: 1.05em; line-height: 1.85; color: var(--text-secondary); }
.single-content h2 { font-size: 1.4em; color: var(--text); margin: 1.8em 0 0.8em; font-weight: 700; }
.single-content h3 { font-size: 1.2em; color: var(--text); margin: 1.5em 0 0.6em; }
.single-content p { margin-bottom: 1.2em; }
.single-content ul, .single-content ol { padding-left: 1.5em; margin-bottom: 1.2em; }
.single-content li { list-style: disc; margin-bottom: 0.4em; }
.single-content blockquote {
    border-left: 4px solid var(--primary);
    padding: 16px 20px;
    background: var(--primary-light);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    margin: 1.5em 0;
    font-style: italic;
    color: var(--text);
}

/* ============================================
   分类页
   ============================================ */
.category-header {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: #fff;
    padding: 50px 0;
    text-align: center;
}
.category-header h1 { font-size: 2em; font-weight: 700; margin-bottom: 8px; }
.category-header p { opacity: 0.85; font-size: 1em; }
.archive-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 24px;
    padding: 40px 0;
}

/* ============================================
   侧边栏
   ============================================ */
.sidebar { }
.widget { background: var(--bg-white); border-radius: var(--radius-md); padding: 24px; margin-bottom: 24px; border: 1px solid var(--border); }
.widget-title { font-size: 1.05em; font-weight: 700; color: var(--text); margin-bottom: 16px; padding-bottom: 10px; border-bottom: 2px solid var(--primary); }
.widget ul li { padding: 8px 0; border-bottom: 1px solid var(--border); }
.widget ul li:last-child { border-bottom: none; }
.widget ul li a { color: var(--text-secondary); font-size: 0.92em; }
.widget ul li a:hover { color: var(--primary); }

/* ============================================
   FAQ 折叠
   ============================================ */
.faq-section { padding: 60px 0; background: var(--bg); }
.faq-list { max-width: 760px; margin: 30px auto 0; }
.faq-item { margin-bottom: 12px; }
.faq-q {
    width: 100%;
    text-align: left;
    padding: 18px 24px;
    background: var(--bg-white);
    border: 1.5px solid var(--border);
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1em;
    color: var(--text);
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    transition: var(--transition);
}
.faq-q:hover { border-color: var(--primary); color: var(--primary); }
.faq-q.active { border-color: var(--primary); background: var(--primary-light); color: var(--primary); border-radius: var(--radius-md) var(--radius-md) 0 0; }
.faq-q .faq-icon { font-size: 1.2em; transition: transform 0.3s; flex-shrink: 0; margin-left: 10px; }
.faq-q.active .faq-icon { transform: rotate(45deg); }
.faq-a {
    display: none;
    padding: 18px 24px;
    background: var(--bg-white);
    border: 1.5px solid var(--border);
    border-top: none;
    border-radius: 0 0 var(--radius-md) var(--radius-md);
    color: var(--text-secondary);
    line-height: 1.75;
    font-size: 0.95em;
}
.faq-a.show { display: block; }

/* ============================================
   CTA
   ============================================ */
.cta-section {
    padding: 70px 0;
    background: linear-gradient(135deg, var(--primary), #003D99);
    color: #fff;
    text-align: center;
}
.cta-section h2 { font-size: 2em; font-weight: 800; margin-bottom: 12px; }
.cta-section p { opacity: 0.85; margin-bottom: 30px; font-size: 1.05em; }

/* ============================================
   页脚
   ============================================ */
.site-footer {
    background: #0A1628;
    color: rgba(255,255,255,0.75);
    padding: 50px 0 0;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-col h4 { color: #fff; font-size: 1em; font-weight: 700; margin-bottom: 16px; }
.footer-col p { font-size: 0.9em; line-height: 1.7; }
.footer-col ul li { margin-bottom: 8px; }
.footer-col ul li a { color: rgba(255,255,255,0.65); font-size: 0.9em; }
.footer-col ul li a:hover { color: var(--gold); }
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding: 20px 0;
    text-align: center;
    font-size: 0.85em;
    color: rgba(255,255,255,0.45);
}

/* ============================================
   面包屑
   ============================================ */
.breadcrumb {
    padding: 14px 0;
    font-size: 0.85em;
    color: var(--text-light);
    border-bottom: 1px solid var(--border);
    background: var(--bg);
}
.breadcrumb-inner { max-width: var(--max-w); margin: 0 auto; padding: 0 20px; }
.breadcrumb a { color: var(--text-secondary); }
.breadcrumb span { margin: 0 6px; color: var(--border); }

/* ============================================
   分页
   ============================================ */
.pagination { display: flex; gap: 6px; justify-content: center; align-items: center; margin-top: 40px; }
.pagination a, .pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 10px;
    border-radius: var(--radius-sm);
    background: var(--bg-white);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    font-size: 0.9em;
    transition: var(--transition);
}
.pagination a:hover { border-color: var(--primary); color: var(--primary); }
.pagination .current { background: var(--primary); border-color: var(--primary); color: #fff; }

/* ============================================
   404
   ============================================ */
.error-404 { text-align: center; padding: 80px 20px; }
.error-404 h1 { font-size: 5em; color: var(--primary); font-weight: 800; }
.error-404 p { font-size: 1.1em; color: var(--text-secondary); margin: 16px 0 24px; }

/* ============================================
   响应式
   ============================================ */
@media (max-width: 1024px) {
    .hero-inner { grid-template-columns: 1fr; gap: 30px; }
    .hero-visual { display: none; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .cert-grid { grid-template-columns: repeat(2, 1fr); }
    .services-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
    .menu-toggle { display: flex !important; }
    .hero-section { padding: 50px 0 40px; }
    .hero-content h1 { font-size: 1.8em; }
    .services-grid { grid-template-columns: 1fr; }
    .cert-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .blog-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .stats-row { grid-template-columns: repeat(2, 1fr); }
    .platform-cards { grid-template-columns: 1fr 1fr; }
    .single-title { font-size: 1.5em; }
}

/* 隐藏 WordPress Admin Bar */
#wpadminbar { display: none !important; }
html { margin-top: 0 !important; }
body.admin-bar { margin-top: 0 !important; }




/* ===== 文章页侧边栏 ===== */
.single-layout {
    display: flex !important;
    flex-direction: row !important;
    gap: 40px !important;
    max-width: 1200px !important;
    margin: 0 auto !important;
    padding: 30px 20px !important;
    align-items: flex-start !important;
}
.single-main {
    flex: 1 1 0% !important;
    min-width: 0 !important;
    max-width: calc(100% - 360px) !important;
}
.single-sidebar {
    width: 320px !important;
    min-width: 320px !important;
    flex-shrink: 0 !important;
}
.sidebar-widget {
    background: linear-gradient(135deg, #fff 0%, #f8f9fa 100%);
    border-radius: 16px;
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
    border: 1px solid rgba(0, 82, 204, 0.08);
    position: relative;
    overflow: hidden;
}
.sidebar-widget::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; height: 4px;
    background: linear-gradient(90deg, var(--primary), #00d4aa);
}
.sidebar-widget.hot::before {
    background: linear-gradient(90deg, #ff6b6b, #ff8e53);
}
.sidebar-widget h3 {
    display: flex; align-items: center; gap: 10px;
    font-size: 18px; font-weight: 700; color: #1a1a2e;
    margin: 0 0 18px 0; padding-bottom: 14px;
    border-bottom: 2px solid #f0f0f0;
}
.sidebar-widget h3 .icon { font-size: 22px; }
.popular-list, .latest-list { list-style: none; padding: 0; margin: 0; }
.popular-list li, .latest-list li {
    display: flex; align-items: center; gap: 12px;
    padding: 11px 0; border-bottom: 1px dashed #eee;
    transition: all 0.2s ease;
}
.popular-list li:last-child,
.latest-list li:last-child { border-bottom: none; padding-bottom: 0; }
.popular-list li:hover,
.latest-list li:hover {
    background: rgba(0,82,204,0.04);
    margin: 0 -10px; padding-left: 10px; padding-right: 10px;
    border-radius: 8px;
}
.rank-num {
    display: inline-flex; align-items: center; justify-content: center;
    width: 26px; height: 26px; font-size: 13px; font-weight: 700;
    border-radius: 7px; flex-shrink: 0;
}
.popular-list li:nth-child(1) .rank-num { background: linear-gradient(135deg,#ff6b6b,#ee5a5a); color:#fff; }
.popular-list li:nth-child(2) .rank-num { background: linear-gradient(135deg,#ff8e53,#ff7b3d); color:#fff; }
.popular-list li:nth-child(3) .rank-num { background: linear-gradient(135deg,#ffc107,#ffb300); color:#fff; }
.popular-list li:nth-child(n+4) .rank-num { background:#f0f0f0; color:#888; }
.latest-list li:nth-child(1) .rank-num { background: linear-gradient(135deg,#0052CC,#0066ff); color:#fff; }
.latest-list li:nth-child(2) .rank-num { background: linear-gradient(135deg,#00b4d8,#0096c7); color:#fff; }
.latest-list li:nth-child(3) .rank-num { background: linear-gradient(135deg,#00d4aa,#00c49a); color:#fff; }
.latest-list li:nth-child(n+4) .rank-num { background:#f0f0f0; color:#888; }
.post-title-link {
    flex: 1; min-width: 0; text-decoration: none; color:#333;
    font-size: 14px; line-height: 1.5; transition: color 0.2s ease;
}
.post-title-link:hover { color: var(--primary); }
.post-title-single {
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis; display: block;
}
@media (max-width: 900px) {
    .single-layout { flex-direction: column !important; gap: 24px !important; padding: 20px 15px !important; }
    .single-main { max-width: 100% !important; }
    .single-sidebar { width:100% !important; min-width:100% !important; display: grid; grid-template-columns: repeat(2,1fr); gap: 20px; }
    .sidebar-widget { margin-bottom: 0; }
}
@media (max-width: 600px) {
    .single-sidebar { grid-template-columns: 1fr; }
}


/* ============================================
   移动端高端自适应设计 (Mobile Premium UI)
   ============================================ */

/* --- 全局移动端优化 --- */
@media (max-width: 768px) {
    :root {
        --mobile-padding: 16px;
    }
    
    body {
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
        text-rendering: optimizeLegibility;
    }
}

/* --- 导航栏移动端 --- */
@media (max-width: 768px) {
    .site-header {
        padding: 0 16px !important;
        position: sticky !important;
        top: 0;
        z-index: 998;
        background: rgba(255,255,255,0.95) !important;
        backdrop-filter: blur(15px) !important;
        -webkit-backdrop-filter: blur(15px) !important;
    }
    
    /* 三段式布局：logo 左 | 汉堡中 | 电话右 */
    .header-inner {
        display: flex !important;
        align-items: center !important;
        justify-content: space-between !important;
        padding: 0 !important;
        height: 56px !important;
        position: relative;
    }
    
    /* logo — 左边，固定宽度 */
    .site-logo, .custom-logo-link {
        flex: 0 0 auto;
        order: 1;
        font-size: 16px !important;
    }
    .logo-text { font-size: 16px !important; }
    .logo-sub { font-size: 10px !important; }
    
    /* 汉堡按钮 — 居中 */
    .menu-toggle {
        display: flex !important;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 5px;
        width: 40px;
        height: 40px;
        background: none;
        border: none;
        cursor: pointer;
        -webkit-tap-highlight-color: transparent;
        position: absolute;
        left: 50%;
        transform: translateX(-50%);
        z-index: 1001;
        padding: 0;
        order: 2;
    }
    
    .menu-toggle span {
        display: block;
        width: 20px;
        height: 2px;
        background: #1a1a2e;
        border-radius: 2px;
        transition: all 0.3s cubic-bezier(0.68, -0.55, 0.27, 1.55);
        transform-origin: center;
    }
    
    .menu-toggle.active span:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }
    .menu-toggle.active span:nth-child(2) {
        opacity: 0;
        transform: scaleX(0);
    }
    .menu-toggle.active span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }
    
    /* 电话 — 右边 */
    .header-inner > div:last-child {
        flex: 0 0 auto !important;
        display: flex !important;
        align-items: center !important;
        gap: 6px !important;
        order: 3;
    }
    
    .header-inner > div:last-child a[href^="tel"] {
        font-size: 13px !important;
        color: var(--primary) !important;
        font-weight: 600;
    }
    
    .header-inner > div:last-child .btn-primary {
        display: none !important;
    }
    
    /* 下拉菜单 — 从 header 底部展开 */
    .main-nav {
        display: none !important;
        position: absolute !important;
        top: 56px !important;
        left: 0 !important;
        right: 0 !important;
        width: 100% !important;
        background: #fff !important;
        box-shadow: 0 8px 30px rgba(0,0,0,0.12) !important;
        border-top: 1px solid #f0f0f0;
        flex-direction: column !important;
        padding: 12px 16px 16px !important;
        gap: 2px !important;
        z-index: 997 !important;
        animation: slideDown 0.25s ease-out;
    }
    
    @keyframes slideDown {
        from { opacity: 0; transform: translateY(-8px); }
        to { opacity: 1; transform: translateY(0); }
    }
    
    .main-nav.open {
        display: flex !important;
    }
    
    .main-nav a {
        font-size: 14px !important;
        padding: 11px 14px !important;
        border-radius: 10px !important;
        text-align: left;
        transition: all 0.15s ease;
        font-weight: 500;
        color: #333 !important;
        border-bottom: 1px solid #f7f7f7;
    }
    
    .main-nav a:last-child {
        border-bottom: none;
    }
    
    .main-nav a:hover,
    .main-nav a.active {
        background: linear-gradient(135deg, rgba(0,82,204,0.06), rgba(0,212,170,0.06)) !important;
        color: var(--primary) !important;
        padding-left: 20px !important;
    }
    
    /* 遮罩层 — 下拉菜单不需要 */
    .menu-overlay {
        display: none !important;
    }
}

/* --- Hero 区域移动端 --- */
@media (max-width: 768px) {
    .hero {
        min-height: 70vh !important;
        padding: 80px var(--mobile-padding) 50px !important;
        text-align: center;
    }
    
    .hero h1 {
        font-size: 30px !important;
        line-height: 1.3 !important;
        letter-spacing: -0.5px;
    }
    
    .hero p {
        font-size: 15px !important;
        line-height: 1.7 !important;
        padding: 0 10px;
    }
    
    .hero .btn-group {
        flex-direction: column !important;
        gap: 14px !important;
        align-items: center;
    }
    
    .hero .btn {
        width: 100% !important;
        max-width: 260px;
        text-align: center;
        padding: 14px 28px !important;
        font-size: 15px !important;
        border-radius: 14px !important;
    }
}

/* --- 区块标题移动端 --- */
@media (max-width: 768px) {
    .section-title {
        font-size: 24px !important;
        margin-bottom: 28px !important;
        text-align: center;
    }
    
    .section-title::after {
        margin: 12px auto 0 !important;
    }
}

/* --- 知识库/文章卡片移动端 --- */
@media (max-width: 768px) {
    .knowledge-grid,
    .posts-grid {
        grid-template-columns: 1fr !important;
        gap: 18px !important;
        padding: 0 var(--mobile-padding);
    }
    
    .post-card {
        border-radius: 18px !important;
        overflow: hidden;
        box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06) !important;
        transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.3s ease;
    }
    
    .post-card:active {
        transform: scale(0.98);
    }
    
    .post-card .thumb {
        height: 180px !important;
    }
    
    .post-card .content {
        padding: 18px !important;
    }
    
    .post-card h3 {
        font-size: 16px !important;
        line-height: 1.5 !important;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        display: -webkit-box;
        overflow: hidden;
    }
    
    .post-card .meta {
        font-size: 12px !important;
        margin-top: 12px !important;
    }
}

/* --- 分类筛选移动端（横向滑动） --- */
@media (max-width: 768px) {
    .category-filters {
        padding: 0 var(--mobile-padding) !important;
        overflow-x: auto !important;
        overflow-y: hidden;
        flex-wrap: nowrap !important;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        -ms-overflow-style: none;
        gap: 10px !important;
        padding-bottom: 4px !important;
    }
    
    .category-filters::-webkit-scrollbar {
        display: none;
    }
    
    .filter-btn {
        flex-shrink: 0;
        padding: 9px 20px !important;
        font-size: 13px !important;
        border-radius: 30px !important;
        white-space: nowrap;
    }
}

/* --- 文章页移动端 --- */
@media (max-width: 768px) {
    .single-layout {
        flex-direction: column !important;
        padding: 0 0 30px 0 !important;
        gap: 0 !important;
        max-width: 100% !important;
    }
    
    .single-main {
        max-width: 100% !important;
    }
    
    /* 移动端隐藏侧边栏 */
    .single-sidebar {
        display: none !important;
    }
    
    .post-article {
        padding: 24px 16px !important;
        border-radius: 0 !important;
        box-shadow: none !important;
        background: transparent !important;
    }
    
    .post-article h1 {
        font-size: 22px !important;
        line-height: 1.45 !important;
        font-weight: 700;
        letter-spacing: -0.3px;
    }
    
    .post-article .post-meta {
        flex-wrap: wrap;
        gap: 8px 12px !important;
        font-size: 13px !important;
        color: #999;
        padding-bottom: 16px;
        margin-bottom: 20px;
        border-bottom: 1px solid #f0f0f0;
    }
    
    .post-article .post-body {
        font-size: 15px !important;
        line-height: 1.9 !important;
        color: #333;
    }
    
    .post-article .post-body p {
        margin-bottom: 18px;
    }
    
    .post-article .post-body h2 {
        font-size: 19px !important;
        margin: 30px 0 14px;
        padding-left: 12px;
        border-left: 3px solid var(--primary);
    }
    
    .post-article .post-body h3 {
        font-size: 17px !important;
        margin: 24px 0 10px;
        color: #1a1a2e;
    }
    
    .post-article .post-body img {
        border-radius: 12px !important;
        margin: 20px -16px !important;
        max-width: calc(100% + 32px) !important;
    }
    
    .post-article .post-body ul,
    .post-article .post-body ol {
        padding-left: 20px;
        margin-bottom: 16px;
    }
    
    .post-article .post-body li {
        margin-bottom: 8px;
        line-height: 1.8;
    }
    
    /* 文章底部分享/导航区优化 */
    .post-nav,
    .post-share,
    .post-tags {
        padding: 16px 16px !important;
    }
}

/* --- 侧边栏 Widget 移动端 --- */
@media (max-width: 768px) {
    .sidebar-widget {
        padding: 20px !important;
        border-radius: 18px !important;
    }
    
    .sidebar-widget h3 {
        font-size: 16px !important;
    }
    
    .popular-list li,
    .latest-list li {
        padding: 10px 0 !important;
    }
    
    .post-title-link {
        font-size: 13px !important;
    }
}

/* --- 分类页移动端 --- */
@media (max-width: 768px) {
    .category-header {
        padding: 40px var(--mobile-padding) 30px !important;
        text-align: center;
    }
    
    .category-header h1 {
        font-size: 24px !important;
    }
    
    .category-header p {
        font-size: 14px !important;
    }
}

/* --- Footer 移动端（精简版） --- */
@media (max-width: 768px) {
    .footer {
        padding: 0 !important;
        background: #1a1a2e !important;
        color: #ccc !important;
    }
    
    /* 隐藏 footer 网格中的非必要列（移动端精简） */
    .footer-grid {
        display: none !important;
    }
    
    /* 但 PC 端保持原样 */
    @media (min-width: 769px) {
        .footer-grid {
            display: grid !important;
        }
        .mobile-contact-info {
            display: none !important;
        }
    }
    
    /* 精简底部：只显示联系方式 + 版权 */
    .footer-bottom {
        flex-direction: column !important;
        gap: 16px !important;
        padding: 32px 20px 24px !important;
        text-align: center !important;
        border-top: none !important;
    }
    
    .footer-bottom a {
        color: rgba(255,255,255,0.7) !important;
    }
    
    .footer-bottom .contact-info {
        display: flex !important;
        flex-direction: column;
        gap: 10px;
        font-size: 14px;
        color: rgba(255,255,255,0.85);
    }
    
    .footer-bottom .contact-info a {
        color: #00d4aa !important;
        text-decoration: none;
        font-weight: 500;
    }
    
    .footer-bottom .copyright {
        font-size: 12px !important;
        color: rgba(255,255,255,0.4) !important;
        line-height: 1.6;
    }
}

/* --- 图片优化 --- */
@media (max-width: 768px) {
    img {
        max-width: 100%;
        height: auto;
    }
    
    .post-article .post-body img {
        border-radius: 12px !important;
        margin: 16px 0 !important;
    }
}

/* --- 触摸优化 --- */
@media (max-width: 768px) {
    a, button, .filter-btn, .post-card {
        -webkit-tap-highlight-color: transparent;
        touch-action: manipulation;
    }
    
    input, textarea, select {
        font-size: 16px !important; /* 防止 iOS 自动缩放 */
    }
}

/* --- 滚动条美化（WebView） --- */
@media (max-width: 768px) {
    ::-webkit-scrollbar {
        width: 4px;
    }
    
    ::-webkit-scrollbar-track {
        background: transparent;
    }
    
    ::-webkit-scrollbar-thumb {
        background: rgba(0, 0, 0, 0.15);
        border-radius: 4px;
    }
}

/* --- 加载动画 --- */
@media (max-width: 768px) {
    .post-card {
        animation: fadeInUp 0.5s cubic-bezier(0.22, 1, 0.36, 1) both;
    }
    
    .post-card:nth-child(1) { animation-delay: 0.05s; }
    .post-card:nth-child(2) { animation-delay: 0.1s; }
    .post-card:nth-child(3) { animation-delay: 0.15s; }
    .post-card:nth-child(4) { animation-delay: 0.2s; }
    .post-card:nth-child(5) { animation-delay: 0.25s; }
    .post-card:nth-child(6) { animation-delay: 0.3s; }
    
    @keyframes fadeInUp {
        from {
            opacity: 0;
            transform: translateY(20px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
}

/* --- 安全区域适配（刘海屏） --- */
@supports (padding-top: env(safe-area-inset-top)) {
    .navbar {
        padding-top: env(safe-area-inset-top) !important;
    }
    
    body {
        padding-bottom: env(safe-area-inset-bottom);
    }
}