/* ============================================================
   EduMaster Mobile UI —— 杨亦涛定制 (v2)
   仅保留最核心、最有效的移动端规则
   目标：APP 级体验 —— 内容排满、触控友好、视觉紧凑
   ============================================================ */

/* ---------- 通用工具类 ---------- */
.scrollbar-hide::-webkit-scrollbar { display: none; }
.scrollbar-hide { -ms-overflow-style: none; scrollbar-width: none; }

/* ============================================================
   手机端主规则 (≤767px)
   ============================================================ */
@media (max-width: 767px) {

    /* ---------- 全局基础 ---------- */
    /* 注意：绝不要给 html 设置 overflow-x:hidden —— 在 iOS Safari 上会触发
       已知 bug：position:fixed 顶栏退化、整页纵向滚动卡死。
       改用 body 的 overflow-x: clip：只裁掉横向溢出，不创建滚动容器，
       纵向原生滚动与惯性滑动均正常。 */
    body { overflow-x: clip; }
    body {
        padding-bottom: calc(64px + env(safe-area-inset-bottom, 0px)) !important;
        font-size: 14px;
        line-height: 1.55;
        -webkit-tap-highlight-color: transparent;
        -webkit-font-smoothing: antialiased;
    }
    main { padding-top: 0 !important; padding-bottom: 0 !important; }

    /* ---------- 手机端底部 Dock 导航 ---------- */
    .mobile-tab-bar {
        position: fixed !important;
        bottom: 0 !important;
        left: 0 !important;
        right: 0 !important;
        z-index: 9999 !important;
        display: flex !important;
        justify-content: space-around !important;
        align-items: center !important;
        height: calc(64px + env(safe-area-inset-bottom, 0px)) !important;
        background: #ffffff !important;
        border-top: 1px solid #f3f4f6 !important;
        box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.05) !important;
        padding-bottom: env(safe-area-inset-bottom) !important;
    }
    .mobile-tab-item {
        flex: 1 1 0 !important;
        min-width: 0 !important;
        display: flex !important;
        flex-direction: column !important;
        align-items: center !important;
        justify-content: center !important;
        gap: 2px !important;
        height: 100% !important;
        padding: 0 1px !important;
        color: #6b7280 !important;
        text-decoration: none !important;
        font-size: 10px !important;
        font-weight: 500 !important;
        line-height: 1.2 !important;
        white-space: nowrap !important;
        transition: color 0.2s ease, background-color 0.2s ease, transform 0.15s ease !important;
        -webkit-tap-highlight-color: transparent !important;
    }
    .mobile-tab-item:active {
        transform: scale(0.92) !important;
    }
    .mobile-tab-item.active,
    .mobile-tab-item:hover {
        color: var(--color-primary, #2563eb) !important;
    }
    .mobile-tab-item svg {
        width: 20px !important;
        height: 20px !important;
        flex-shrink: 0 !important;
        transition: transform 0.15s ease !important;
    }

    /* AI 入口：居中突出，圆形渐变按钮 + 上浮 */
    .mobile-tab-item-ai {
        position: relative !important;
        top: -10px !important;
        color: #2563eb !important;
        font-weight: 700 !important;
    }
    .mobile-tab-ai-icon {
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        width: 44px !important;
        height: 44px !important;
        border-radius: 50% !important;
        background: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%) !important;
        color: #fff !important;
        box-shadow: 0 6px 16px rgba(37, 99, 235, 0.35) !important;
        margin-bottom: 2px !important;
        transition: transform 0.15s ease, box-shadow 0.2s ease !important;
    }
    .mobile-tab-ai-icon svg {
        width: 23px !important;
        height: 23px !important;
    }
    /* 极窄屏（<=360px）6 个入口进一步压缩，避免文字换行 */
    @media (max-width: 360px) {
        .mobile-tab-item { font-size: 9.5px !important; }
        .mobile-tab-item svg { width: 19px !important; height: 19px !important; }
        .mobile-tab-ai-icon { width: 42px !important; height: 42px !important; }
    }
    .mobile-tab-item-ai:active .mobile-tab-ai-icon {
        transform: scale(0.92) !important;
    }
    .mobile-tab-item-ai.active .mobile-tab-ai-icon,
    .mobile-tab-item-ai:hover .mobile-tab-ai-icon {
        box-shadow: 0 8px 20px rgba(37, 99, 235, 0.45) !important;
    }

    /* ---------- 容器：去掉大留白，内容排满屏幕 ---------- */
    .max-w-7xl, .max-w-4xl, .max-w-3xl, .max-w-xl, .container {
        padding-left: 12px !important;
        padding-right: 12px !important;
        max-width: 100% !important;
    }

    /* ---------- 间距类全局收紧 ---------- */
    .gap-2 { gap: 4px !important; }
    .gap-3 { gap: 6px !important; }
    .gap-4 { gap: 8px !important; }
    .gap-5 { gap: 8px !important; }
    .gap-6 { gap: 10px !important; }
    .gap-8 { gap: 12px !important; }
    .gap-10 { gap: 14px !important; }
    .gap-12 { gap: 16px !important; }

    .space-y-4 > * + * { margin-top: 10px !important; }
    .space-y-6 > * + * { margin-top: 12px !important; }
    .space-y-8 > * + * { margin-top: 16px !important; }
    .space-y-10 > * + * { margin-top: 18px !important; }
    .space-y-12 > * + * { margin-top: 20px !important; }

    .mt-4 { margin-top: 8px !important; }
    .mt-6 { margin-top: 10px !important; }
    .mt-8 { margin-top: 12px !important; }
    .mt-10 { margin-top: 14px !important; }
    .mt-12 { margin-top: 16px !important; }
    .mt-16 { margin-top: 20px !important; }

    .mb-4 { margin-bottom: 8px !important; }
    .mb-6 { margin-bottom: 10px !important; }
    .mb-8 { margin-bottom: 12px !important; }
    .mb-10 { margin-bottom: 14px !important; }
    .mb-12 { margin-bottom: 16px !important; }

    .pt-6 { padding-top: 10px !important; }
    .pt-8 { padding-top: 12px !important; }
    .pt-10 { padding-top: 14px !important; }
    .pt-12 { padding-top: 16px !important; }

    .pb-6 { padding-bottom: 10px !important; }
    .pb-8 { padding-bottom: 12px !important; }
    .pb-10 { padding-bottom: 14px !important; }
    .pb-12 { padding-bottom: 16px !important; }

    .px-4 { padding-left: 10px !important; padding-right: 10px !important; }
    .px-5 { padding-left: 12px !important; padding-right: 12px !important; }
    .px-6 { padding-left: 12px !important; padding-right: 12px !important; }
    .px-8 { padding-left: 14px !important; padding-right: 14px !important; }

    .py-4 { padding-top: 8px !important; padding-bottom: 8px !important; }
    .py-6 { padding-top: 10px !important; padding-bottom: 10px !important; }
    .py-8 { padding-top: 12px !important; padding-bottom: 12px !important; }
    .py-10 { padding-top: 14px !important; padding-bottom: 14px !important; }
    .py-12 { padding-top: 16px !important; padding-bottom: 16px !important; }

    .p-4 { padding: 8px !important; }
    .p-5 { padding: 10px !important; }
    .p-6 { padding: 12px !important; }
    .p-8 { padding: 14px !important; }

    .rounded-xl { border-radius: 12px !important; }
    .rounded-2xl { border-radius: 14px !important; }
    .rounded-3xl { border-radius: 16px !important; }

    /* ---------- 字号收紧 ---------- */
    .text-5xl { font-size: 26px !important; line-height: 1.2 !important; }
    .text-4xl { font-size: 22px !important; line-height: 1.25 !important; }
    .text-3xl { font-size: 20px !important; line-height: 1.3 !important; }
    .text-2xl { font-size: 18px !important; line-height: 1.35 !important; }
    .text-xl { font-size: 16px !important; line-height: 1.4 !important; }
    .text-lg { font-size: 14.5px !important; line-height: 1.55 !important; }
    .text-base { font-size: 14px !important; }
    .text-sm { font-size: 12.5px !important; }
    .text-xs { font-size: 11.5px !important; }

    /* ---------- Hero 区域（首页顶部） ---------- */
    section.relative.pt-6.pb-8 { padding-top: 8px !important; padding-bottom: 12px !important; }
    .max-w-4xl.mx-auto.text-center { padding-left: 8px; padding-right: 8px; }

    .max-w-4xl.mx-auto.text-center h1,
    .max-w-4xl.mx-auto.text-center .text-3xl,
    .max-w-4xl.mx-auto.text-center .text-4xl,
    .max-w-4xl.mx-auto.text-center .text-5xl {
        font-size: 24px !important;
        line-height: 1.25 !important;
        letter-spacing: -0.01em;
        margin-bottom: 8px !important;
    }
    .max-w-4xl.mx-auto.text-center .text-2xl { font-size: 17px !important; line-height: 1.4 !important; }
    .max-w-4xl.mx-auto.text-center .text-lg,
    .max-w-4xl.mx-auto.text-center .text-xl {
        font-size: 14px !important;
        line-height: 1.6 !important;
    }
    .max-w-4xl.mx-auto.text-center .inline-flex.items-center.gap-2.px-4.py-1\.5 {
        padding: 4px 10px !important;
        font-size: 11px !important;
        margin-bottom: 10px !important;
    }
    .max-w-4xl.mx-auto.text-center button,
    .max-w-4xl.mx-auto.text-center a.px-6,
    .max-w-4xl.mx-auto.text-center a.px-8 {
        padding: 9px 16px !important;
        font-size: 13px !important;
        min-height: 40px;
        border-radius: 10px;
    }

    /* ---------- 公告条 ---------- */
    .bg-gradient-to-r.from-orange-50.to-red-50 {
        padding: 6px 0 !important;
        border-bottom-width: 1px !important;
    }

    /* ---------- Section 通用 ---------- */
    section { padding-top: 14px !important; padding-bottom: 14px !important; }
    section h2.text-3xl, section h2.text-2xl {
        font-size: 18px !important;
        margin-bottom: 10px !important;
    }

    /* ---------- 卡片网格（课程/文章/商品） ---------- */
    .grid.grid-cols-2, .grid.grid-cols-3, .grid.grid-cols-4,
    .grid.grid-cols-5, .grid.grid-cols-6, .grid.lg\:grid-cols-3,
    .grid.lg\:grid-cols-4, .grid.lg\:grid-cols-5, .grid.md\:grid-cols-3 {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 8px !important;
    }

    /* 首页「精品课程 / 创作者商城」：手机端固定一行 3 个（紧凑 APP 感），覆盖上面通用 2 列规则 */
    .grid.home-cards-3 { grid-template-columns: repeat(3, 1fr) !important; gap: 10px !important; }

    /* 首页 4 项区块（创作者权益 / 数字资源中心）：手机端 2×2，避免 3+1 孤行 */
    .grid.home-cards-2 { grid-template-columns: repeat(2, 1fr) !important; gap: 10px !important; }

    /* 首页扫码咨询：手机端固定一行 3 个 */
    .grid.home-qr-3 { grid-template-columns: repeat(3, 1fr) !important; gap: 10px !important; }
    .grid.home-qr-3 .max-w-\[120px\],
    .grid.home-qr-3 .sm\:max-w-\[140px\] { max-width: 90px !important; }
    .grid.home-qr-3 .text-3xl { font-size: 24px !important; }

    /* 首页顶部数据卡：手机端固定一行 3 个，更紧凑 */
    .grid.home-stats { grid-template-columns: repeat(3, 1fr) !important; gap: 0 !important; }
    .grid.home-stats > a { padding: 10px 2px !important; }
    .grid.home-stats .w-8.h-8,
    .grid.home-stats .sm\:w-9.sm\:h-9 { width: 28px !important; height: 28px !important; margin-bottom: 4px !important; }
    .grid.home-stats .w-8.h-8 svg,
    .grid.home-stats .sm\:w-9.sm\:h-9 svg { width: 14px !important; height: 14px !important; }
    .grid.home-stats p.text-xl,
    .grid.home-stats p.sm\:text-2xl { font-size: 15px !important; margin-bottom: 1px !important; }
    .grid.home-stats p.text-xs { font-size: 10px !important; line-height: 1.2 !important; }
    .home-stats-wrap { border-radius: 12px !important; box-shadow: 0 1px 3px rgba(0,0,0,0.05) !important; }

    /* 首页热门排行榜 tab 切换：手机端改成 APP 分段控制器，更紧凑 */
    .home-rank-tabs {
        border-radius: 10px !important;
        padding: 3px !important;
        gap: 3px !important;
        background: #f3f4f6 !important;
        border-color: transparent !important;
        box-shadow: inset 0 1px 2px rgba(0,0,0,0.05) !important;
    }
    .home-rank-tabs button {
        flex: 1 1 0 !important;
        min-width: 58px !important;
        padding: 5px 10px !important;
        font-size: 12.5px !important;
        line-height: 1.4 !important;
        border-radius: 8px !important;
        background: transparent !important;
        color: #6b7280 !important;
        font-weight: 500 !important;
        border: none !important;
        box-shadow: none !important;
    }
    .home-rank-tabs button.bg-gray-900,
    .home-rank-tabs button[aria-pressed="true"],
    .home-rank-tabs button.active {
        background: #ffffff !important;
        color: #111827 !important;
        box-shadow: 0 1px 2px rgba(0,0,0,0.08) !important;
        font-weight: 600 !important;
    }
    .home-rank-tabs button:active { transform: scale(0.96); }

    .grid.grid-cols-3 .p-4,
    .grid.grid-cols-4 .p-4,
    .grid.lg\:grid-cols-3 .p-4,
    .grid.lg\:grid-cols-4 .p-4,
    .grid.grid-cols-2 .p-4 { padding: 8px !important; }

    /* 布局型网格（内容+侧栏，如职位中心 / 企业中心）：
       显式 grid-cols-1 + lg:grid-cols-3/4 的，手机端必须单列堆叠，
       避免被上面的通用规则压成两列导致内容错位。卡片网格（grid-cols-2/3 直接类）不受影响。 */
    .grid.grid-cols-1.lg\:grid-cols-3,
    .grid.grid-cols-1.lg\:grid-cols-4 {
        grid-template-columns: 1fr !important;
    }

    .grid > a .text-lg, .grid > div .text-lg,
    .grid > a h3, .grid > a h4 {
        font-size: 14px !important;
        line-height: 1.4 !important;
        margin-top: 8px !important;
        margin-bottom: 4px !important;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    .grid .text-sm, .grid .text-base { font-size: 12.5px !important; line-height: 1.45 !important; }
    .grid .text-gray-500 { font-size: 11.5px !important; }
    .grid .text-primary, .grid .text-blue-600, .grid .font-bold { font-size: 14px !important; }

    /* ---------- 图标网格（快速入口/服务导航） ---------- */
    .grid.grid-cols-6, .grid.grid-cols-8 {
        grid-template-columns: repeat(5, 1fr) !important;
        gap: 8px !important;
    }
    .grid.grid-cols-6 a, .grid.grid-cols-8 a { padding: 8px 4px !important; }
    .grid.grid-cols-6 .w-12, .grid.grid-cols-8 .w-12 { width: 40px !important; height: 40px !important; }
    .grid.grid-cols-6 .w-16, .grid.grid-cols-8 .w-16 { width: 44px !important; height: 44px !important; }
    .grid.grid-cols-6 .text-sm, .grid.grid-cols-8 .text-sm { font-size: 11px !important; margin-top: 4px !important; }

    /* ---------- 横向滚动分类标签 ---------- */
    .flex.flex-wrap.gap-2, .flex.flex-wrap.gap-3 { gap: 6px !important; }
    .flex.flex-wrap.gap-2 a, .flex.flex-wrap.gap-3 a { font-size: 12px !important; padding: 5px 10px !important; }

    .flex.gap-2.overflow-x-auto, .flex.gap-3.overflow-x-auto {
        gap: 6px !important;
        padding-bottom: 4px !important;
    }
    .flex.gap-2.overflow-x-auto a, .flex.gap-3.overflow-x-auto a {
        padding: 6px 12px !important;
        font-size: 12px !important;
        border-radius: 100px !important;
        white-space: nowrap;
        min-height: 32px;
    }

    /* ---------- 文章页（single.php） ---------- */
    .single-main { min-height: 100vh; padding-bottom: 40px !important; }
    article.bg-white.rounded, article.bg-white, article {
        border-radius: 12px !important;
        padding: 14px !important;
        margin-bottom: 12px !important;
    }
    article .text-2xl, article .text-3xl { font-size: 20px !important; margin-bottom: 8px !important; }
    article h2.text-xl { font-size: 16px !important; margin-bottom: 8px !important; }
    article h2.text-lg { font-size: 15px !important; margin-bottom: 6px !important; }
    article .text-lg { font-size: 14px !important; line-height: 1.6 !important; }
    article .text-sm { font-size: 12.5px !important; }

    /* 文章正文内容 */
    .article-content, .main-content {
        font-size: 15px !important;
        line-height: 1.75 !important;
        width: 100% !important;
    }
    .article-content p { margin-bottom: 12px !important; }
    .article-content h1 { font-size: 22px !important; margin-top: 16px !important; margin-bottom: 10px !important; }
    .article-content h2 { font-size: 18.5px !important; margin-top: 16px !important; margin-bottom: 10px !important; font-weight: 700 !important; }
    .article-content h3 { font-size: 16.5px !important; margin-top: 14px !important; margin-bottom: 8px !important; font-weight: 700 !important; }
    .article-content h4 { font-size: 15px !important; margin-top: 12px !important; margin-bottom: 6px !important; }
    .article-content img { border-radius: 10px !important; margin: 10px 0 !important; max-width: 100%; height: auto; }
    .article-content blockquote {
        padding: 10px 12px !important;
        margin: 12px 0 !important;
        border-radius: 8px !important;
        font-size: 14px !important;
    }
    .article-content ul, .article-content ol { padding-left: 18px !important; margin: 10px 0 !important; }
    .article-content li { margin-bottom: 6px !important; }
    .article-content code {
        padding: 2px 6px !important;
        border-radius: 4px !important;
        font-size: 13px !important;
    }
    .article-content pre {
        padding: 10px !important;
        border-radius: 8px !important;
        font-size: 12px !important;
        overflow-x: auto;
    }
    .article-content table { font-size: 12.5px !important; width: 100%; overflow-x: auto; display: block; }
    .article-content th, .article-content td { padding: 6px 8px !important; }

    /* 文章 info card / related post */
    article .info-card { padding: 10px !important; margin-bottom: 10px !important; border-radius: 8px !important; }
    article .info-title { font-size: 13px !important; margin-bottom: 8px !important; }
    article .info-grid { grid-template-columns: repeat(2, 1fr) !important; gap: 6px !important; }
    article .info-item { padding: 6px !important; }
    article .info-value { font-size: 14px !important; }
    article .info-label { font-size: 10.5px !important; }
    article .action-buttons { flex-direction: column !important; margin-top: 12px !important; padding-top: 10px !important; gap: 6px !important; }
    article .action-btn { padding: 10px !important; font-size: 13px !important; min-height: 44px; border-radius: 10px; }
    article .related-posts { padding: 10px !important; border-radius: 8px !important; margin-top: 12px !important; }
    article .related-title { font-size: 13px !important; margin-bottom: 8px !important; }
    article .related-list { grid-template-columns: 1fr 1fr !important; gap: 8px !important; }
    article .related-thumb { height: 80px !important; border-radius: 8px !important; }

    /* 文章页：侧边栏隐藏，主内容占满 */
    .article-container {
        grid-template-columns: 1fr !important;
        gap: 10px !important;
        padding: 0 10px !important;
    }
    .sidebar, .sidebar-desktop-only { display: none !important; }
    .main-content { padding: 12px !important; border-radius: 10px !important; width: 100% !important; }
    .article-header { padding-bottom: 10px !important; margin-bottom: 10px !important; }
    .article-title { font-size: 20px !important; line-height: 1.3 !important; }
    .article-meta { font-size: 12px !important; gap: 8px !important; }

    /* ---------- 课程详情页 ---------- */
    .course-detail { padding-bottom: calc(140px + env(safe-area-inset-bottom, 0px)) !important; }
    .course-header { padding: 30px 16px !important; }
    .course-header .title { font-size: 1.6rem !important; }
    .course-header .back { padding: 6px 14px !important; font-size: 12px !important; }
    .course-info-bar { margin: -24px 12px 20px !important; padding: 14px !important; gap: 10px !important; flex-wrap: wrap; }
    .course-info-bar .item { width: calc(50% - 6px) !important; padding: 10px !important; }
    .course-info-bar .value { font-size: 1.2rem !important; }
    .course-content { padding: 0 12px !important; }
    .course-section { padding: 14px !important; margin-bottom: 12px !important; border-radius: 12px !important; }
    .course-section h3 { font-size: 16px !important; }
    .teacher-card { padding: 14px !important; gap: 12px !important; border-radius: 12px !important; }
    .teacher-avatar { width: 50px !important; height: 50px !important; font-size: 20px !important; }
    .teacher-name { font-size: 15px !important; }
    .chapter-item { padding: 12px !important; border-radius: 10px !important; }
    .chapter-item:hover { transform: none !important; }
    .chapter-item .title span:first-child { font-size: 13px !important; }

    .course-buy {
        padding: 12px 16px !important;
        gap: 10px !important;
        bottom: calc(60px + env(safe-area-inset-bottom, 0px)) !important;
        z-index: 99998 !important;
    }
    .course-buy .btn { padding: 12px 22px !important; font-size: 14px !important; border-radius: 10px !important; }
    .course-price { font-size: 1.15rem !important; }

    /* ---------- Hero 区块（部分页面顶部） ---------- */
    .hero { height: 150px !important; margin-top: -10px !important; }
    .hero-content { padding: 10px !important; }
    .hero-title { font-size: 18px !important; margin-bottom: 6px !important; }
    .category-tag { font-size: 10px !important; padding: 3px 8px !important; margin-bottom: 4px !important; border-radius: 100px !important; }
    .hero-meta { gap: 6px !important; font-size: 11.5px !important; flex-wrap: wrap; }

    /* ---------- 作者卡片 ---------- */
    .author-card { flex-direction: column !important; padding: 12px !important; gap: 10px !important; border-radius: 12px !important; }
    .author-avatar { width: 44px !important; height: 44px !important; }
    .author-info { text-align: center !important; }
    .author-name { font-size: 14px !important; }
    .author-bio { font-size: 12px !important; }
    .author-stats { justify-content: center !important; font-size: 11.5px !important; gap: 12px !important; }
    .author-actions { flex-direction: row !important; gap: 8px !important; width: 100% !important; }
    .author-actions button { flex: 1 !important; padding: 8px 10px !important; font-size: 12.5px !important; border-radius: 8px !important; }

    /* ---------- 表单与输入 ---------- */
    input[type="text"], input[type="email"], input[type="password"],
    input[type="search"], input[type="tel"], input[type="number"],
    textarea, select {
        font-size: 16px !important;
        padding: 10px 12px !important;
        border-radius: 10px !important;
        min-height: 44px;
        box-sizing: border-box;
    }
    input[type="checkbox"], input[type="radio"] { width: 18px; height: 18px; }
    label { font-size: 13px !important; }

    /* ---------- 按钮 & 触控目标 ---------- */
    button, .btn, a.button, a[role="button"],
    input[type="submit"], input[type="button"], input[type="reset"],
    .px-4.py-2, .px-5.py-2, .px-6.py-2, .px-6.py-3, .px-8.py-3 {
        min-height: 40px !important;
        font-size: 14px !important;
        border-radius: 10px !important;
    }

    /* ---------- 徽章 / 标签 ---------- */
    .badge, .tag, .chip,
    .inline-block.px-2.py-1, .inline-flex.px-2.py-1 {
        padding: 3px 10px !important;
        font-size: 11.5px !important;
        border-radius: 100px !important;
    }

    /* ---------- 面包屑 ---------- */
    nav.flex.items-center.gap-2.text-sm { font-size: 12.5px !important; padding: 8px 0 !important; }

    /* ---------- 分页 ---------- */
    .pagination { gap: 6px !important; margin-top: 16px !important; flex-wrap: wrap; justify-content: center; }
    .pagination a, .pagination span {
        min-width: 36px !important;
        height: 36px !important;
        padding: 6px 10px !important;
        font-size: 13px !important;
        border-radius: 8px !important;
    }
    nav.flex.justify-center.gap-2 { gap: 6px !important; margin-top: 20px !important; flex-wrap: wrap; justify-content: center; }
    nav.flex.justify-center.gap-2 a, nav.flex.justify-center.gap-2 span,
    nav.flex.justify-center.gap-2 button {
        min-width: 36px !important;
        min-height: 36px !important;
        padding: 6px 10px !important;
        font-size: 13px !important;
    }

    /* ---------- 搜索条 / 搜索卡片 ---------- */
    .search-card { padding: 12px !important; border-radius: 12px !important; margin-bottom: 14px !important; }
    .search-form { grid-template-columns: 1fr !important; gap: 10px !important; }
    .search-input { font-size: 14px !important; padding: 10px 12px !important; border-radius: 8px !important; }
    .search-select { font-size: 14px !important; padding: 10px 12px !important; border-radius: 8px !important; }
    .search-btn { padding: 12px !important; font-size: 14px !important; border-radius: 8px !important; }

    .search-bar { padding: 8px 14px !important; border-radius: 24px !important; margin-bottom: 14px !important; }
    .search-bar .search-input { font-size: 13px !important; padding: 8px 12px !important; border-radius: 20px !important; }
    .search-bar .search-btn { padding: 8px 16px !important; font-size: 13px !important; border-radius: 20px !important; }

    /* ---------- 筛选器 ---------- */
    .filters { gap: 8px !important; flex-wrap: nowrap !important; overflow-x: auto !important; padding: 0 12px 10px !important; margin-bottom: 10px !important; }
    .filter-btn { padding: 6px 12px !important; font-size: 12px !important; white-space: nowrap !important; border-radius: 100px !important; }

    /* ---------- 职位 / 内容 网格 ---------- */
    .job-grid, .content-grid { grid-template-columns: 1fr !important; gap: 10px !important; }
    .job-card { padding: 12px !important; border-radius: 12px !important; }
    .job-title { font-size: 15px !important; }
    .job-company { font-size: 13px !important; }
    .job-tags { margin-bottom: 8px !important; gap: 6px !important; }
    .job-tag { padding: 3px 8px !important; font-size: 11px !important; border-radius: 4px !important; }
    .job-footer { flex-direction: column !important; gap: 8px !important; align-items: flex-start !important; }
    .job-salary { font-size: 16px !important; }

    .content-card { border-radius: 10px !important; }
    .card-content { padding: 10px !important; }
    .card-title { font-size: 13.5px !important; margin-bottom: 4px !important; line-height: 1.4 !important; }
    .card-meta { font-size: 11.5px !important; gap: 8px !important; }
    .card-price { font-size: 14px !important; }

    /* ---------- 空状态 ---------- */
    .empty-state { padding: 40px 20px !important; }
    .empty-state h3 { font-size: 16px !important; }
    .empty-state p { font-size: 13px !important; }

    /* ---------- 表格：横向滚动 ---------- */
    table { display: block; width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; }
    table td, table th { white-space: nowrap; }

    /* ---------- Modal / 弹窗 ---------- */
    .fixed.inset-0 .max-w-lg,
    .fixed.inset-0 .max-w-md,
    .fixed.inset-0 .max-w-sm,
    .fixed.inset-0 .max-w-xl,
    .fixed.inset-0 .max-w-2xl {
        width: calc(100% - 32px) !important;
        margin: 0 16px !important;
        max-height: 90vh !important;
        overflow-y: auto !important;
    }

    /* ---------- 作者页 / 标签页 滚动 ---------- */
    .author-tabs { overflow-x: auto !important; -webkit-overflow-scrolling: touch !important; flex-wrap: nowrap !important; }
    .author-tabs a { white-space: nowrap !important; font-size: 13px !important; padding: 8px 14px !important; border-radius: 100px !important; }

    /* ---------- 标签/档案页标题 ---------- */
    .page-title { font-size: 22px !important; margin-bottom: 6px !important; }
    .page-subtitle { font-size: 12px !important; }
    .page-header { text-align: center !important; margin-bottom: 14px !important; }

    /* ---------- line clamp ---------- */
    .line-clamp-2 { display: -webkit-box !important; -webkit-line-clamp: 2 !important; -webkit-box-orient: vertical !important; overflow: hidden !important; }

    /* ============================================================
       APP 级增强：顶栏安全区 / Dock 选中态 / 吸顶筛选 / 页脚精简 / 冗余浮窗隐藏
       ============================================================ */

    /* ---------- 顶部 APP 栏：刘海安全区 + 毛玻璃 ---------- */
    #main-header {
        padding-top: env(safe-area-inset-top, 0px) !important;
        background: rgba(255, 255, 255, 0.92) !important;
        -webkit-backdrop-filter: saturate(180%) blur(12px);
        backdrop-filter: saturate(180%) blur(12px);
        border-bottom-color: rgba(243, 244, 246, 0.7) !important;
    }
    /* 占位条高度 = 顶栏(56px) + 刘海安全区，避免内容被固定顶栏遮挡 */
    #mobile-header-spacer { height: calc(56px + env(safe-area-inset-top, 0px)) !important; }

    /* ---------- 移动端菜单遮罩：阻断微信 WebView 命中测试拦截 ----------
       #mobile-menu-overlay 是 fixed inset-0 全屏层，仅靠 translate-x-full 把自身
       移出视区隐藏。iOS 微信 WKWebView 对「被 transform 移出视口、但 pointer-events
       默认 auto」的 fixed 元素仍会做命中测试拦截，导致整页「很多点不动」。
       兜底：默认 pointer-events:none（点击穿透到下层），仅在菜单打开（移除
       translate-x-full）时启用自动；不影响关闭时的滑出动画（visibility 始终可见）。 */
    #mobile-menu-overlay { pointer-events: none !important; }
    #mobile-menu-overlay:not(.translate-x-full) { pointer-events: auto !important; }

    /* ---------- 底部 Dock：选中态高亮（APP 质感） ---------- */
    .mobile-tab-item.active {
        background: rgba(37, 99, 235, 0.08);
        border-radius: 14px;
        color: var(--color-primary, #2563eb) !important;
    }
    .mobile-tab-item.active svg { transform: translateY(-1px) scale(1.05); }

    /* ---------- 横向筛选 / 分类标签：吸顶（APP 常见交互） ---------- */
    .filters {
        position: sticky !important;
        top: calc(56px + env(safe-area-inset-top, 0px)) !important;
        z-index: 30 !important;
        background: rgba(249, 250, 251, 0.96) !important;
        -webkit-backdrop-filter: blur(8px);
        backdrop-filter: blur(8px);
        margin: 0 !important;
        border-bottom: 1px solid #f3f4f6;
    }

    /* ---------- 页脚：移动端精简为极简版权条（避免链接墙） ---------- */
    footer { padding-top: 0 !important; padding-bottom: 14px !important; }
    footer > .max-w-7xl > div:first-child,
    footer > .max-w-7xl > div:nth-child(2) { display: none !important; }
    footer .pt-8.border-t { padding-top: 16px !important; padding-bottom: 4px !important; }
    footer .pt-8.border-t .text-sm { font-size: 12px !important; }
    footer .pt-8.border-t .gap-6 { gap: 12px !important; }

    /* ---------- 隐藏与 Dock 重叠的桌面浮窗（返回顶部） ---------- */
    .back-to-top { display: none !important; }

    /* ---------- 右下角通知铃铛：手机端隐藏 ----------
       56×56 fixed 按钮在移动端遮挡内容、与底部 Dock 冲突，显得页面"空/不兼容"。 */
    #ls-notification-bell { display: none !important; }

    /* ---------- 商城页标题区：手机端更紧凑 ----------
       避免"创客商城"标题区上下留白过多、显得空。 */
    .ls-shop-page .page-header { margin: 8px 0 4px !important; text-align: left !important; }
    .ls-shop-page .page-title { font-size: 18px !important; line-height: 1.3 !important; margin-bottom: 2px !important; }
    .ls-shop-page .page-subtitle { font-size: 11px !important; margin-top: 2px !important; color: #9ca3af !important; }

    /* ---------- 更紧凑：内容排满屏幕 ---------- */
    .max-w-7xl, .max-w-4xl, .max-w-3xl, .max-w-xl, .container {
        padding-left: 10px !important;
        padding-right: 10px !important;
    }
    section { padding-top: 12px !important; padding-bottom: 12px !important; }

    /* ---------- 移动端侧滑菜单：紧凑 APP 化 ----------
       用户截图反馈抽屉菜单排版松散，像网页不像 APP。
       header.php 已改为紧凑 markup；这里用更通用的子选择器兜底，
       防止 Tailwind 工具类被其他样式覆盖。 */
    #mobile-menu-overlay > .border-b {
        padding: 10px 12px !important;
    }
    #mobile-menu-overlay > .border-b a {
        gap: 8px !important;
    }
    #mobile-menu-overlay > .border-b img {
        height: 28px !important;
    }
    #mobile-menu-overlay > .border-b [class*="rounded-"] svg {
        width: 20px !important;
        height: 20px !important;
    }

    #mobile-menu-overlay > nav {
        padding: 10px 12px !important;
    }

    /* 搜索条 */
    #mobile-menu-overlay form[role="search"] {
        padding: 6px 10px !important;
        margin-bottom: 10px !important;
        border-radius: 10px !important;
    }
    #mobile-menu-overlay form[role="search"] svg {
        width: 16px !important;
        height: 16px !important;
    }
    #mobile-menu-overlay form[role="search"] input {
        font-size: 13px !important;
    }
    #mobile-menu-overlay form[role="search"] button {
        font-size: 12px !important;
        padding: 0 !important;
        min-height: auto !important;
    }

    /* 快捷入口：强制 5 列紧凑图标 */
    #mobile-menu-overlay .grid {
        grid-template-columns: repeat(5, 1fr) !important;
        gap: 6px !important;
        margin-bottom: 10px !important;
    }
    #mobile-menu-overlay .grid > a {
        padding: 6px 2px !important;
        gap: 3px !important;
        border-radius: 8px !important;
    }
    #mobile-menu-overlay .grid > a > div {
        width: 30px !important;
        height: 30px !important;
        border-radius: 8px !important;
    }
    #mobile-menu-overlay .grid > a > div svg {
        width: 15px !important;
        height: 15px !important;
    }
    #mobile-menu-overlay .grid > a span {
        font-size: 10px !important;
        line-height: 1.2 !important;
    }

    /* 分组标题 */
    #mobile-menu-overlay [class*="tracking-wider"] {
        font-size: 10px !important;
        margin-bottom: 4px !important;
        letter-spacing: 0.02em !important;
        color: #9ca3af !important;
    }

    /* 列表项： tighter */
    #mobile-menu-overlay > nav > div {
        margin-bottom: 8px !important;
    }
    #mobile-menu-overlay > nav > div > * + * {
        margin-top: 0 !important;
    }
    #mobile-menu-overlay a.flex.items-center {
        padding: 5px 10px !important;
        font-size: 13px !important;
        min-height: 32px !important;
        border-radius: 8px !important;
    }
    #mobile-menu-overlay a.flex.items-center svg {
        width: 16px !important;
        height: 16px !important;
    }

    /* 底部操作区 */
    #mobile-menu-overlay > .border-t {
        padding: 10px 12px !important;
    }
    #mobile-menu-overlay > .border-t a {
        padding: 6px 10px !important;
        font-size: 13px !important;
        border-radius: 10px !important;
        min-height: 32px !important;
    }
    #mobile-menu-overlay > .border-t a svg {
        width: 16px !important;
        height: 16px !important;
    }

    /* ---------- 课程页：手机端 3 列紧凑（APP 质感） ----------
       route-courses.php 的课程卡片/分类卡片默认已 grid-cols-3，
       这里再兜底强制 3 列并压缩卡片内边距，避免换行。 */
    .grid.force-grid-3 {
        grid-template-columns: repeat(3, 1fr) !important;
        gap: 8px !important;
    }
    .grid.force-grid-3 > a > .h-36 {
        height: 84px !important;
    }
    .grid.force-grid-3 > a > div.p-4 {
        padding: 8px !important;
    }
    .grid.force-grid-3 > a h3 {
        font-size: 12px !important;
        line-height: 1.25 !important;
        margin-bottom: 4px !important;
    }
    .grid.force-grid-3 > a p.text-xs {
        font-size: 10px !important;
        margin-bottom: 4px !important;
    }
    /* 分类导航卡片（含描述文字）：3 列下压缩图标与文字，避免溢出 */
    .grid.force-grid-3 > a .w-10.h-10 {
        width: 28px !important;
        height: 28px !important;
        font-size: 14px !important;
    }
    .grid.force-grid-3 > a .flex.items-start {
        gap: 6px !important;
    }

    /* ---------- 阻止橡皮筋/链拉刷新干扰 APP 手感 ---------- */
    body { overscroll-behavior-y: contain; }

    /* ---------- 滚动条隐藏（APP 质感） ---------- */
    *::-webkit-scrollbar { width: 0; height: 0; }
    * { -ms-overflow-style: none; scrollbar-width: none; }

    /* ============================================================
       个人中心（创客控制台）移动端适配
       目标：首屏直接呈现主内容，侧边导航默认折叠后置
       ============================================================ */
    /* 主容器：去掉 80px 巨大上留白，与顶栏/Dock 安全区对齐 */
    main.min-h-screen.bg-gray-50.pt-20.pb-24 {
        padding-top: calc(56px + env(safe-area-inset-top, 0px)) !important;
        padding-bottom: 10px !important;
    }
    .ls-pc-root { padding: 0 10px !important; margin-top: 0 !important; }

    /* 头部：强制深蓝背景 + 高对比白字，解决用户名/邮箱/按钮看不清 */
    .ls-pc-header {
        background: linear-gradient(135deg, #1e3a8a 0%, #2563eb 100%) !important;
        color: #fff !important;
        padding: 14px 16px !important;
        border-radius: 16px !important;
        margin-bottom: 10px !important;
        box-shadow: 0 4px 14px rgba(37, 99, 235, 0.25) !important;
    }
    .ls-pc-header-inner { flex-direction: row !important; align-items: center !important; padding: 0 !important; gap: 12px !important; }
    .ls-pc-avatar { width: 48px !important; height: 48px !important; border-radius: 14px !important; border: 2px solid rgba(255,255,255,0.35) !important; flex-shrink: 0 !important; }
    .ls-pc-avatar img { filter: none !important; }
    .ls-pc-userinfo { min-width: 0 !important; }
    .ls-pc-username { font-size: 17px !important; font-weight: 700 !important; color: #fff !important; gap: 6px !important; line-height: 1.3 !important; text-shadow: 0 1px 2px rgba(0,0,0,0.15) !important; }
    .ls-pc-username span { color: #fff !important; }
    .ls-pc-useremail { font-size: 12px !important; color: rgba(255,255,255,0.92) !important; margin-top: 3px !important; }
    .ls-pc-header-actions { flex-wrap: nowrap !important; gap: 8px !important; margin-top: 0 !important; margin-left: auto !important; }
    .ls-pc-header-actions > * {
        padding: 7px 12px !important;
        font-size: 12px !important;
        font-weight: 600 !important;
        border-radius: 10px !important;
        white-space: nowrap !important;
        background: #fff !important;
        color: #1e40af !important;
        border: none !important;
        box-shadow: 0 2px 6px rgba(0,0,0,0.1) !important;
    }
    .ls-pc-header-actions > a[href*="wp-admin"] { background: #fff !important; color: #1e40af !important; }
    .ls-pc-points-pill { display: none !important; }

    /* 布局：主内容在前，侧边栏折叠后置 */
    .ls-pc-flex { flex-direction: column-reverse !important; gap: 10px !important; }
    .ls-pc-content { order: -1; width: 100% !important; min-width: 0 !important; }
    .ls-pc-sidebar { width: 100% !important; }

    /* 侧边栏导航：紧凑网格，减少大片空白 */
    .ls-pc-nav { border-radius: 14px !important; overflow: hidden !important; }
    .ls-pc-nav-title-wrap { padding: 10px 12px 6px !important; background: transparent !important; border-bottom: none !important; }
    .ls-pc-nav-title { font-size: 12px !important; color: #6b7280 !important; letter-spacing: 0.02em !important; }
    .ls-pc-navlist {
        display: grid !important;
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 6px !important;
        padding: 6px 10px 10px !important;
    }
    .ls-pc-navlist:not(.is-expanded) {
        max-height: 168px;
        overflow: hidden;
        position: relative;
    }
    .ls-pc-navlist:not(.is-expanded)::after { content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 40px; background: linear-gradient(to bottom, transparent, rgba(255,255,255,1)); pointer-events: none; }
    .ls-pc-navlist.is-expanded { max-height: none; }
    .ls-pc-navlist > div { grid-column: 1 / -1 !important; padding: 10px 4px 4px !important; font-size: 11px !important; color: #9ca3af !important; }
    .ls-pc-navlist > a {
        flex-direction: column !important;
        justify-content: center !important;
        align-items: center !important;
        gap: 4px !important;
        padding: 10px 4px !important;
        font-size: 12px !important;
        font-weight: 500 !important;
        line-height: 1.2 !important;
        border-radius: 10px !important;
        min-height: 64px !important;
        text-align: center !important;
        background: #f8fafc !important;
        color: #374151 !important;
    }
    .ls-pc-navlist > a span { white-space: nowrap !important; overflow: hidden !important; text-overflow: ellipsis !important; width: 100% !important; }
    .ls-pc-navlist > a.bg-blue-50, .ls-pc-navlist > a[class*="bg-blue"] {
        background: #eff6ff !important;
        color: #1d4ed8 !important;
        font-weight: 700 !important;
        box-shadow: inset 0 0 0 1px #bfdbfe !important;
    }
    .ls-pc-nav-more {
        display: flex !important;
        justify-content: center;
        align-items: center;
        width: 100%;
        padding: 9px;
        font-size: 13px;
        font-weight: 600;
        color: #1d4ed8;
        background: #eff6ff;
        border-top: 1px solid #dbeafe;
        border-radius: 0 0 14px 14px;
        min-height: 42px;
    }

    /* ---------- 首页超紧凑布局（进一步减少留白，内容不减） ---------- */
    main > .relative.pt-10.pb-8 { padding-top: 8px !important; padding-bottom: 10px !important; }
    main .max-w-4xl.mx-auto.text-center { padding-left: 6px; padding-right: 6px; }
    main .max-w-4xl.mx-auto.text-center > .inline-flex.items-center.gap-2 {
        margin-bottom: 6px !important;
        padding: 3px 8px !important;
        font-size: 10.5px !important;
    }
    main .max-w-4xl.mx-auto.text-center > h1 {
        margin-bottom: 6px !important;
        font-size: 22px !important;
        line-height: 1.25 !important;
    }
    main .max-w-4xl.mx-auto.text-center > h1 span { margin-top: 2px !important; }
    main .max-w-4xl.mx-auto.text-center > p.text-gray-500 {
        margin-bottom: 8px !important;
        font-size: 12.5px !important;
        line-height: 1.5 !important;
    }
    main .max-w-4xl.mx-auto.text-center > .flex.items-center.justify-center.gap-3 {
        margin-bottom: 6px !important;
        gap: 6px !important;
        font-size: 11px !important;
    }
    main .max-w-4xl.mx-auto.text-center > .mb-8.flex.flex-col.sm\:flex-row {
        margin-bottom: 8px !important;
        gap: 6px !important;
    }
    main .max-w-4xl.mx-auto.text-center > .mb-8.flex.flex-col.sm\:flex-row a {
        padding: 7px 14px !important;
        font-size: 12px !important;
        min-height: 36px;
    }

    /* 统计卡 */
    .home-stats-wrap { margin-top: 8px !important; border-radius: 10px !important; }
    .grid.home-stats > a { padding: 6px 2px !important; }
    .grid.home-stats .w-8.h-8,
    .grid.home-stats .sm\:w-9.sm\:h-9 {
        width: 26px !important; height: 26px !important;
        margin-bottom: 2px !important; border-radius: 6px !important;
    }
    .grid.home-stats .w-8.h-8 svg,
    .grid.home-stats .sm\:w-9.sm\:h-9 svg { width: 13px !important; height: 13px !important; }
    .grid.home-stats p.text-xl,
    .grid.home-stats p.sm\:text-2xl { font-size: 14px !important; margin-bottom: 0 !important; }
    .grid.home-stats p.text-xs { font-size: 9.5px !important; }

    /* 统计卡下方 4 个分类标签 */
    .home-stats-wrap .grid.grid-cols-4.border-t > a {
        padding: 5px 2px !important;
        gap: 3px !important;
        font-size: 10.5px !important;
    }
    .home-stats-wrap .grid.grid-cols-4.border-t svg { width: 14px !important; height: 14px !important; }

    /* 核心权益 */
    .py-10.bg-gray-50\/50 { padding-top: 10px !important; padding-bottom: 10px !important; }
    .py-10.bg-gray-50\/50 .text-center.mb-10 { margin-bottom: 6px !important; }
    .py-10.bg-gray-50\/50 .text-center > span {
        margin-bottom: 4px !important;
        padding: 2px 8px !important;
        font-size: 10px !important;
    }
    .py-10.bg-gray-50\/50 .text-center h2 { font-size: 17px !important; margin-bottom: 4px !important; }
    .py-10.bg-gray-50\/50 .text-center p { margin-top: 2px !important; font-size: 12px !important; }
    .grid.home-cards-2 { gap: 8px !important; }
    .grid.home-cards-2 > a { padding: 10px !important; border-radius: 10px !important; }
    .grid.home-cards-2 > a .w-10,
    .grid.home-cards-2 > a .sm\:w-16 {
        width: 36px !important; height: 36px !important;
        margin-bottom: 2px !important;
        font-size: 16px !important;
        border-radius: 8px !important;
    }
    .grid.home-cards-2 > a h3 { margin-bottom: 2px !important; font-size: 13px !important; }
    .grid.home-cards-2 > a p { font-size: 11px !important; line-height: 1.35 !important; }

    /* 主内容卡片 */
    .ls-pc-content { padding-top: 0 !important; }
    .ls-pc-content > div { padding: 12px !important; border-radius: 12px !important; }
    .ls-pc-content .space-y-6 > * + * { margin-top: 10px !important; }
    .ls-pc-content h3 { font-size: 15px !important; margin-bottom: 8px !important; }

    /* 学习仪表盘统计卡 */
    .ls-pc-learning-stats { grid-template-columns: repeat(2, 1fr) !important; gap: 8px !important; }
    .ls-pc-learning-stats > div { padding: 12px !important; border-radius: 12px !important; }
    .ls-pc-learning-stats .text-3xl { font-size: 22px !important; }
    .ls-pc-learning-stats .text-sm { font-size: 12px !important; }

    /* 趋势图 + 概览面板 */
    .ls-pc-chart-panel, .ls-pc-overview-panel { padding: 12px !important; border-radius: 12px !important; }
    .ls-pc-chart-panel .relative.h-48 { height: 160px !important; }
    .ls-pc-overview-panel .space-y-3 > div { padding: 10px 12px !important; border-radius: 10px !important; }
    .ls-pc-overview-panel .font-bold { font-size: 15px !important; }

    /* 课程进度卡片 */
    .ls-pc-content .grid.grid-cols-1.sm\:grid-cols-2.lg\:grid-cols-3 { grid-template-columns: 1fr !important; gap: 8px !important; }
    .ls-pc-content .grid.grid-cols-1.sm\:grid-cols-2.lg\:grid-cols-3 > a { padding: 10px !important; border-radius: 10px !important; }
    .ls-pc-content .grid.grid-cols-1.sm\:grid-cols-2.lg\:grid-cols-3 .w-16.h-16 { width: 48px !important; height: 48px !important; border-radius: 8px !important; }
}

/* ============================================================
   小屏手机优化 (≤380px)
   ============================================================ */
@media (max-width: 380px) {
    .grid.grid-cols-6, .grid.grid-cols-5 { grid-template-columns: repeat(4, 1fr) !important; gap: 6px !important; }
    .max-w-4xl.mx-auto.text-center h1, .max-w-4xl.mx-auto.text-center .text-3xl { font-size: 20px !important; }
    section h2.text-2xl, section h2.text-3xl { font-size: 16px !important; }
    body { font-size: 13.5px; }
}

/* ============================================================
   大屏手机优化 (500-767px) —— 3 列更紧凑
   ============================================================ */
@media (min-width: 500px) and (max-width: 767px) {
    .max-w-4xl.mx-auto.text-center h1 { font-size: 28px !important; }
}