/* ==========================================================================
   7kf 交易页样式（分类目录页 / 商品详情页 / 顶部平台导航）
   作用域：.kf-faka-page 与 .kf-subnav，不修改主题其他页面
   视觉参数取自 faka2025：主色 #20c180、价格 #f50、卡片 radius 6px
   ========================================================================== */

/* ---------- 顶部平台导航条（样式对齐 12.html faka2025 桌面导航） ---------- */
.kf-subnav {
    background: #fff;
    border-bottom: none;
    box-shadow: 0 2px 8px rgba(0, 0, 0, .06);
}
.kf-subnav-inner {
    max-width: 1296px;
    margin: 0 auto;
    padding: 0 20px;
    height: 64px;
    display: flex;
    align-items: center;
    gap: 0;
    overflow: visible;
    white-space: nowrap;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
}
.kf-subnav-inner::-webkit-scrollbar { display: none; }
.kf-subnav-item {
    position: relative;
    display: flex;
    align-items: center;
    height: 64px;
    padding: 0 10px;
    font-size: 14px;
    color: #333;
    transition: color .2s ease;
}
.kf-subnav-item > a {
    display: flex;
    align-items: center;
    gap: 4px;
    line-height: 64px;
    color: inherit;
    text-decoration: none;
    white-space: nowrap;
    position: relative;
    transition: color .2s ease;
}
.kf-subnav-item:hover,
.kf-subnav-item.active { color: #20c180; }
.kf-caret {
    margin-left: 2px;
    font-size: 12px;
    line-height: 1;
    color: #999;
}
.kf-has-sub:hover .kf-caret { color: #20c180; }
.kf-subnav-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    z-index: 1200;
    min-width: 250px;
    padding: 10px 0;
    background: #fff;
    border-radius: 0 0 8px 8px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, .12);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all .3s ease;
}
.kf-has-sub:hover .kf-subnav-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* 商品购买：分类多级菜单（对齐 12.html .cate-menu） */
.kf-cate-menu {
    list-style: none;
    margin: 0;
    padding: 0;
    min-width: 240px;
}
.kf-cate-menu > li { position: relative; }
.kf-cate-menu > li > a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 16px;
    text-decoration: none;
    color: #555;
    font-size: 14px;
    font-weight: 500;
    transition: all .2s ease;
    border-left: 3px solid transparent;
    white-space: nowrap;
}
.kf-cate-menu > li:hover > a {
    color: #333;
    background: #f8f9fa;
    border-left-color: #20c180;
}
.kf-cate-menu > li > a .icon {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
}
.kf-cate-menu > li > a .icon img {
    width: 24px;
    height: 24px;
    object-fit: contain;
    display: block;
}
.kf-cate-menu > li > a .name { flex: 1; text-align: left; overflow: hidden; text-overflow: ellipsis; }
.kf-cate-menu > li > a .num {
    flex: 0 0 auto;
    font-size: 12px;
    color: #666;
    background: #f0f0f0;
    border-radius: 12px;
    min-width: 26px;
    text-align: center;
    padding: 2px 6px;
    font-weight: 500;
}

/* 右侧子产品面板（对齐 12.html .cate-products，仅桌面端） */
@media (min-width: 769px) {
    /* li 与右侧面板之间的空隙桥接：鼠标横移过去时不会因离开 li 导致面板闪没 */
    .kf-cate-menu > li::after {
        content: "";
        position: absolute;
        top: -12px;
        bottom: -12px;
        right: -16px;
        width: 18px;
    }
    .kf-cate-menu > li > .kf-cate-products {
        position: absolute;
        top: -10px;
        left: calc(100% + 1px);
        width: 280px;
        max-height: 420px;
        overflow-y: auto;
        padding: 10px 0;
        background: #fff;
        border: 1px solid #f0f0f0;
        border-radius: 0 8px 8px 8px;
        box-shadow: 0 10px 30px rgba(0, 0, 0, .12);
        opacity: 0;
        visibility: hidden;
        transform: translateX(8px);
        transition: opacity .2s ease, visibility .2s ease, transform .2s ease;
        z-index: 1210;
    }
    .kf-cate-menu > li:hover > .kf-cate-products,
    .kf-cate-menu > li:focus-within > .kf-cate-products {
        opacity: 1;
        visibility: visible;
        transform: translateX(0);
    }
    .kf-cate-menu > li > .kf-cate-products .kf-cate-product-link {
        display: block;
        padding: 9px 16px;
        color: #555;
        font-size: 13px;
        line-height: 1.45;
        text-decoration: none;
        white-space: normal;
    }
    .kf-cate-menu > li > .kf-cate-products .kf-cate-product-link:hover,
    .kf-cate-menu > li > .kf-cate-products .kf-cate-product-link:focus {
        color: #119d64;
        background: #f2fdf9;
    }
}

/* ---------- 页面作用域变量 ---------- */
.kf-faka-page {
    --faka-primary: #20c180;
    --faka-primary-dark: #119d64;
    --faka-primary-bg: #f2fdf9;
    --faka-price: #f50;
    --faka-text: #333;
    --faka-muted: #666;
    --faka-light: #888;
    --faka-border: #eaeaea;
    --faka-border-light: #f0f0f0;
    --faka-soft: #f8f9fa;
}

/* ---------- 面包屑（桌面 / 手机统一：整体缩到原来的一半左右） ---------- */
/* 商品/分类页整体上提，收掉导航条与面包屑之间多出的一段空白
   （只作用于 .kf-page-wrap 的页面，首页 .kf-home-wrap 的间距不受影响） */
.kf-page-wrap.kf-faka-page { margin-top: -10px; }

.kf-faka-page .kf-breadcrumbs {
    font-size: 11px;
    color: var(--faka-light);
    margin: 0 0 9px;
    line-height: 1.45;
    width: fit-content;
    max-width: 100%;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    /* 安卓 Chrome 会「字体自动放大」：11px 被放大到 13.75px 把胶囊撑高折行，
       这里只对面包屑关掉放大，不影响其它文字 */
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
    background: #ffffff;
    border-radius: 8px;
    box-shadow: 0 1px 2px rgba(0, 0, 0, .08);
    padding: 5px 10px;
}
.kf-faka-page .kf-breadcrumbs a {
    color: var(--faka-primary);
    text-decoration: none;
}
.kf-faka-page .kf-breadcrumbs a:hover { color: var(--faka-primary-dark); }
.kf-faka-page .kf-breadcrumbs .sep { margin: 0 4px; color: #ccc; }

/* ---------- 分类目录页 ---------- */
.kf-faka-page .kf-card-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}
.kf-faka-page .kf-card-group { margin-bottom: 30px; }
.kf-faka-page .kf-group-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    margin-bottom: 15px;
    padding: 12px 16px;
    width: fit-content;
    background: #ffffff;
    border-radius: 15px;
    box-shadow: 0 1px 2px rgba(0, 0, 0, .08);
}
.kf-faka-page .kf-group-head h2 {
    margin: 0;
    font-size: 17px;
    font-weight: 600;
    color: #2c3e50;
}
.kf-faka-page .kf-group-count {
    font-size: 12px;
    color: var(--faka-muted);
    background: var(--faka-soft);
    padding: 3px 10px;
    border-radius: 10px;
    white-space: nowrap;
}
.kf-faka-page .kf-card {
    background: #fff;
    border: 1px solid var(--faka-border-light);
    border-radius: 20px;
    box-shadow: none;
    padding: 16px;
    margin-bottom: 12px;
    transition: transform .2s ease, box-shadow .2s ease;
}
.kf-faka-page .kf-card:last-child { margin-bottom: 0; }
.kf-faka-page .kf-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, .08);
}
.kf-faka-page .kf-card-head {
    display: flex;
    align-items: center;
    gap: 10px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--faka-border-light);
    background: #eff7fc;
    border-radius: 20px;
    box-shadow: 0 0.3px 2px rgba(0, 0, 0, .06);
}
.kf-faka-page .kf-card-icon {
    flex: 0 0 40px;
    width: 40px;
    height: 40px;
    border-radius: 4px;
    overflow: hidden;
    background: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}
.kf-faka-page .kf-card-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}
.kf-faka-page .kf-card-desc {
    flex: 1;
    font-size: 14px;
    color: #2c3e50;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.kf-faka-page .kf-card-body { padding-top: 12px; }
.kf-faka-page .kf-card-title {
    margin: 0 0 6px;
    font-size: 15px;
    font-weight: 600;
    color: #2c3e50;
}
.kf-faka-page .kf-card-meta {
    margin: 0 0 12px;
    font-size: 12px;
    color: var(--faka-muted);
}
.kf-faka-page .kf-card-foot {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}
.kf-faka-page .kf-card-price {
    font-size: 18px;
    font-weight: 700;
    color: var(--faka-price);
}
.kf-faka-page .kf-card-buy {
    display: inline-block;
    padding: 8px 20px;
    background: #eff7fc;
    color: var(--faka-primary);
    font-size: 13px;
    border-radius: 20px;
    text-decoration: none;
    white-space: nowrap;
    transition: background .2s;
}
.kf-faka-page .kf-card-buy:hover {
    background: var(--faka-primary-dark);
    color: #fff;
}
.kf-faka-page .kf-stock-state {
    color: #ef4444;
    font-weight: 600;
}
.kf-faka-page .kf-card-buy.disabled {
    background: #f3f4f6;
    color: #9ca3af;
    pointer-events: none;
    cursor: not-allowed;
}

/* ---------- 商品详情页 ---------- */
.kf-faka-page .kf-detail-card {
    display: flex;
    gap: 20px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, .05);
    padding: 20px;
    flex-wrap: wrap;
}
.kf-faka-page .kf-detail-main { flex: 1; display: flex; gap: 20px; flex-wrap: wrap; }
.kf-faka-page .kf-detail-left {
    flex: 0 0 120px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    align-items: center;
}
.kf-faka-page .kf-detail-icon {
    width: 120px;
    height: 120px;
    border-radius: 8px;
    object-fit: contain;
}
.kf-faka-page .kf-detail-icon-sub {
    width: 120px;
    min-height: 120px;
    flex: 1;
    border-radius: 8px;
}
.kf-faka-page .kf-detail-right { flex: 1; min-width: 280px; }
.kf-faka-page .kf-detail-title {
    margin: 0 0 10px;
    font-size: 22px;
    line-height: 1.4;
    color: var(--faka-text);
}
.kf-faka-page .kf-detail-stock {
    margin: 0 0 10px;
    font-size: 13px;
    color: var(--faka-muted);
}
.kf-faka-page .kf-detail-stock b { color: var(--faka-primary); }
.kf-faka-page .kf-detail-stock a {
    color: var(--faka-primary);
    text-decoration: none;
}
.kf-faka-page .kf-price-box {
    margin: 10px 0;
    padding: 15px;
    border-radius: 6px;
}
.kf-faka-page .kf-price-label {
    display: block;
    margin-bottom: 5px;
    font-size: 13px;
    color: var(--faka-muted);
}
.kf-faka-page .kf-price-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--faka-price);
}
.kf-faka-page .kf-trust-badges {
    display: flex;
    gap: 20px;
    margin: 15px 0;
    font-size: 12px;
    color: var(--faka-light);
    flex-wrap: wrap;
}

/* ---------- 下单表单（克隆 trade-form） ---------- */
/* ---------- 下单表单（克隆 trade-form） ---------- */
.kf-faka-page .kf-trade-form { margin-top: 15px; }

/* ---------- 商品说明（docx 导入，按行/空行显示） ---------- */
.kf-faka-page .kf-detail-desc-html {
    white-space: pre-wrap;
    line-height: 1.8;
    font-size: 14px;
    color: #333;
}
.kf-faka-page .kf-form-group { margin-bottom: 16px; }
.kf-faka-page .kf-form-label {
    display: block;
    margin-bottom: 8px;
    font-size: 13px;
    font-weight: 500;
    color: var(--faka-muted);
}
.kf-faka-page .kf-form-input {
    width: 100%;
    max-width: 360px;
    padding: 10px 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 13px;
    transition: border-color .2s, box-shadow .2s;
}
.kf-faka-page .kf-form-input:focus {
    outline: none;
    border-color: var(--faka-primary);
    box-shadow: 0 0 0 2px rgba(32, 193, 128, .12);
}
.kf-faka-page .kf-quantity-control {
    display: flex;
    align-items: center;
    gap: 10px;
}
.kf-faka-page .kf-qty-btn {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--faka-soft);
    border: 1px solid #ddd;
    border-radius: 4px;
    cursor: pointer;
    font-size: 16px;
    line-height: 1;
    color: var(--faka-text);
    transition: all .2s;
}
.kf-faka-page .kf-qty-btn:hover {
    background: var(--faka-primary-bg);
    border-color: var(--faka-primary);
    color: var(--faka-primary);
}
.kf-faka-page .kf-qty-input {
    width: 80px;
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: 4px;
    text-align: center;
    font-size: 13px;
}
.kf-faka-page .kf-form-actions {
    display: flex;
    gap: 12px;
    margin-top: 22px;
    flex-wrap: wrap;
}
.kf-faka-page .kf-btn {
    padding: 12px 28px;
    border: none;
    border-radius: 4px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all .2s;
}
.kf-faka-page .kf-btn-primary {
    background: var(--faka-primary);
    color: #fff;
}
.kf-faka-page .kf-btn-primary:hover { background: var(--faka-primary-dark); }
.kf-faka-page .kf-btn-outline {
    background: #fff;
    color: var(--faka-primary);
    border: 1px solid var(--faka-primary);
}
.kf-faka-page .kf-btn-outline:hover { background: var(--faka-primary-bg); }

/* ---------- 商品说明 / 返回 ---------- */
.kf-faka-page .kf-detail-desc {
    margin-top: 20px;
    padding: 20px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, .05);
}
.kf-faka-page .kf-detail-desc h3 {
    margin: 0 0 10px;
    font-size: 16px;
    color: #2c3e50;
}
.kf-faka-page .kf-detail-desc p {
    margin: 0;
    font-size: 14px;
    line-height: 1.8;
    color: var(--faka-muted);
}
.kf-faka-page .kf-back-link { margin-top: 20px; }
.kf-faka-page .kf-back-link a {
    font-size: 13px;
    color: var(--faka-primary);
    text-decoration: none;
}

/* ---------- 详情页 Tab ---------- */
.kf-faka-page .kf-tabs {
    background: #fff;
    border-radius: 12px;
    padding: 28px 30px;
    margin-top: 20px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, .06);
}
.kf-faka-page .kf-tabs-nav {
    display: flex;
    border-bottom: 2px solid #f0f0f0;
    margin-bottom: 24px;
    gap: 4px;
    flex-wrap: wrap;
}
.kf-faka-page .kf-tab {
    padding: 12px 20px;
    cursor: pointer;
    color: #666;
    font-size: 14px;
    transition: color .2s;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
}
.kf-faka-page .kf-tab:hover { color: #333; }
.kf-faka-page .kf-tab.active {
    color: #22c55e;
    font-weight: 600;
    border-bottom-color: #22c55e;
}
.kf-faka-page .kf-tab-content { display: none; color: #555; line-height: 1.8; font-size: 14px; }
.kf-faka-page .kf-tab-content.active { display: block; }
.kf-faka-page .kf-tab-content h3 {
    font-size: 16px;
    font-weight: 700;
    margin: 0 0 12px;
    color: #2c3e50;
}
.kf-faka-page .kf-tab-content ul,
.kf-faka-page .kf-tab-content ol { padding-left: 20px; margin: 0 0 12px; }
.kf-faka-page .kf-tab-content p { margin: 0 0 10px; }
.kf-faka-page .kf-tab-tip { margin-top: 4px; font-size: 12px; color: #999; }

/* ---------- 相关教程 / 相关产品 ---------- */
.kf-faka-page .kf-detail-section {
    background: #fff;
    border-radius: 12px;
    padding: 28px 30px;
    margin-top: 20px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, .06);
}
.kf-faka-page .kf-detail-section-title {
    font-size: 18px;
    font-weight: 700;
    margin: 0 0 6px;
    color: #2c3e50;
}
.kf-faka-page .kf-detail-section-desc {
    font-size: 13px;
    color: #999;
    margin: 0 0 16px;
}
.kf-faka-page .kf-detail-empty { color: #999; font-size: 14px; margin: 0; }
.kf-faka-page .kf-related-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 16px;
}

/* ---------- 相关教程视频播放器 ---------- */
.kf-faka-page .kf-video-wrap { display: flex; gap: 16px; align-items: flex-start; }
.kf-faka-page .kf-video-main { flex: 1; min-width: 0; }
.kf-faka-page .kf-video-main video {
    width: 100%;
    aspect-ratio: 16 / 9;
    background: #000;
    border-radius: 8px;
    display: block;
}
/* 播放失败（编码不支持等）时的兜底提示 */
.kf-faka-page .kf-video-tip {
    margin: 10px 0 0;
    padding: 10px 12px;
    background: #fff7ed;
    border: 1px solid #fed7aa;
    border-radius: 8px;
    color: #9a3412;
    font-size: 13px;
    line-height: 1.65;
}
.kf-faka-page .kf-video-tip a { color: #c2410c; text-decoration: underline; }
.kf-faka-page .kf-video-tip[hidden] { display: none !important; }

.kf-faka-page .kf-video-list {
    width: 260px;
    list-style: none;
    margin: 0;
    padding: 0;
    max-height: 340px;
    overflow-y: auto;
    border: 1px solid #f0f0f0;
    border-radius: 8px;
    flex-shrink: 0;
}
.kf-faka-page .kf-video-list li {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 14px;
    cursor: pointer;
    font-size: 14px;
    color: #555;
    border-bottom: 1px solid #f5f5f5;
    transition: background .2s;
}
.kf-faka-page .kf-video-list li:last-child { border-bottom: none; }
.kf-faka-page .kf-video-list li:hover { background: #f9fafb; }
.kf-faka-page .kf-video-list li.active { background: #f0fdf4; color: #16a34a; font-weight: 600; }
.kf-faka-page .kf-video-play { font-size: 12px; color: #999; flex-shrink: 0; }
.kf-faka-page .kf-video-list li.active .kf-video-play { color: #16a34a; }
.kf-faka-page .kf-video-title { line-height: 1.5; word-break: break-all; }
@media (max-width: 768px) {
    .kf-faka-page .kf-video-wrap { flex-direction: column; }
    .kf-faka-page .kf-video-list { width: 100%; max-height: 200px; }
}
@media (max-width: 768px) {
    .kf-faka-page .kf-tabs { padding: 20px 16px; }
    .kf-faka-page .kf-tab { padding: 10px 14px; font-size: 13px; }
    .kf-faka-page .kf-detail-section { padding: 20px 16px; }
}

/* ---------- 移动端 ---------- */
@media (max-width: 768px) {
    .kf-subnav-inner {
        height: 52px;
        overflow-x: auto;
    }
    .kf-subnav-item { height: 52px; font-size: 13px; padding: 0 8px; }
    .kf-subnav-item > a { line-height: 52px; }
    .kf-cate-menu > li > .kf-cate-products { display: none; }
    .kf-faka-page .kf-card { padding: 14px; }
    .kf-faka-page .kf-card-price { font-size: 17px; }
    .kf-faka-page .kf-detail-card { padding: 16px; }
    .kf-faka-page .kf-detail-left { flex-basis: 100%; }
    .kf-faka-page .kf-detail-icon { width: 88px; height: 88px; }
    .kf-faka-page .kf-detail-icon-sub { width: 88px; min-height: 88px; }
    .kf-faka-page .kf-detail-title { font-size: 19px; }
    .kf-faka-page .kf-form-input { max-width: 100%; }
    .kf-faka-page .kf-btn { flex: 1; padding: 12px 16px; }
}

/* ==========================================================================
   手机端「帐号购买」面板（#kfMc）
   —— 点导航条「帐号购买」→ 导航条正下方展开平台（父类）列表，一列一个；
      点平台直接进该平台首页，子类在首页顶部的胶囊导航里切换。
   面板挂在 .kf-subnav 内部（.kf-subnav-inner 之外），不会被它的 overflow 裁掉。
   ========================================================================== */
.kf-mc { display: none; }

@media (max-width: 768px) {
    .kf-subnav { position: relative; }
    .kf-subnav-item.kf-has-sub.mc-open > a { color: #20c180; }
    .kf-subnav-item.kf-has-sub.mc-open .kf-caret { transform: rotate(180deg); }
    .kf-subnav-item > a .kf-caret { transition: transform .18s ease; display: inline-block; }

    .kf-mc {
        position: absolute;
        left: 0;
        right: 0;
        top: 100%;
        z-index: 10050;
        background: #fff;
        border-top: 1px solid #f2f4f6;
        border-radius: 0 0 14px 14px;
        box-shadow: 0 16px 30px rgba(0, 0, 0, .14);
        padding: 10px 12px 12px;
        max-height: 66vh;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        overscroll-behavior: contain;
    }
    .kf-mc.open { display: block; animation: kfMcIn .18s ease-out both; }
    @keyframes kfMcIn { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: none; } }

    /* 平台（父分类）只做导航：一列一个竖排 */
    .kf-mc-ps {
        display: flex;
        flex-direction: column;
        gap: 6px;
        padding: 0;
    }
    .kf-mc-p {
        display: flex;
        align-items: center;
        gap: 8px;
        width: 100%;
        height: 44px;
        padding: 0 12px 0 10px;
        border: 1px solid #e6e8eb;
        background: #f7f8fa;
        border-radius: 10px;
        font-size: 14px;
        line-height: 1;
        color: #333;
        text-decoration: none;
        box-sizing: border-box;
        transition: background .15s, border-color .15s, color .15s;
    }
    .kf-mc-p img { width: 22px; height: 22px; object-fit: contain; display: block; flex: 0 0 auto; }
    .kf-mc-p span { flex: 1 1 auto; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; text-align: left; }
    .kf-mc-p i {
        flex: 0 0 auto;
        font-style: normal;
        font-size: 11px;
        line-height: 16px;
        color: #8a9099;
        background: #eceff2;
        border-radius: 8px;
        padding: 0 7px;
    }
    .kf-mc-p.on { background: #20c180; border-color: #20c180; color: #fff; font-weight: 600; }
    .kf-mc-p.on i { background: rgba(255, 255, 255, .24); color: #fff; }

    .kf-mc-subs {
        display: none;
        flex-wrap: wrap;
        gap: 8px;
        margin-top: 4px;
        padding-top: 10px;
        border-top: 1px dashed #eef0f2;
    }
    .kf-mc-subs.on { display: flex; }
    /* 面板展开时藏掉导航条下方那颗悬浮「留言板」，否则会压住平台按钮 */
    body.kf-mc-open .kf-msg-fab { display: none !important; }
    .kf-mc-c {
        flex: 0 0 auto;
        padding: 8px 12px;
        border-radius: 8px;
        background: #f5f7f9;
        border: 1px solid transparent;
        color: #3c434a;
        font-size: 12.5px;
        line-height: 1.2;
        text-decoration: none;
    }
    .kf-mc-c.on { background: #e8f8f1; border-color: #a7e5cb; color: #0f9a66; font-weight: 600; }
}

/* ==========================================================================
   首页：子类面包屑（平台 / 子类 · N 个商品）+ 子类下的商品卡列表
   ========================================================================== */
.kf-faka-page .kf-subsec { margin-bottom: 26px; }
.kf-faka-page .kf-subsec:last-child { margin-bottom: 0; }

.kf-faka-page .kf-subhead {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    width: fit-content;
    max-width: 100%;
    margin-bottom: 12px;
    padding: 9px 14px;
    background: #fff;
    border-radius: 14px;
    box-shadow: 0 1px 2px rgba(0, 0, 0, .06);
    font-size: 13px;
    line-height: 1.45;
}
.kf-faka-page .kf-subhead-p { color: var(--faka-muted); text-decoration: none; }
.kf-faka-page .kf-subhead-p:hover { color: var(--faka-primary); }
.kf-faka-page .kf-subhead-sep { color: #c9ced6; }
.kf-faka-page .kf-subhead-n { margin: 0; font-size: 16px; font-weight: 600; color: #2c3e50; }
.kf-faka-page .kf-subhead-n a { color: inherit; text-decoration: none; }
.kf-faka-page .kf-subhead-n a:hover { color: var(--faka-primary); }

/* 子类内的一串卡片，间距收紧 */
.kf-faka-page .kf-subsec .kf-card-list { gap: 12px; }

@media (max-width: 768px) {
    .kf-faka-page .kf-subsec { margin-bottom: 18px; }
    .kf-faka-page .kf-subhead { gap: 6px; padding: 8px 12px; font-size: 12px; }
    .kf-faka-page .kf-subhead-n { font-size: 14.5px; }
}

/* ==========================================================================
   商品页：面包屑可换行 + 当前商品卡高亮 + 所属分类行
   ========================================================================== */
.kf-faka-page .kf-breadcrumbs {
    white-space: normal;
    overflow: visible;
    word-break: break-word;
}
.kf-faka-page .kf-breadcrumbs .kf-bc-cur { color: #2c3e50; font-weight: 600; }
.kf-faka-page .kf-detail-sub {
    margin: -4px 0 8px;
    font-size: 13px;
    color: var(--faka-muted);
}
.kf-faka-page .kf-detail-sub a { color: var(--faka-primary); text-decoration: none; }
.kf-faka-page .kf-detail-sub a:hover { text-decoration: underline; }
.kf-faka-page .kf-desc-lead {
    padding: 10px 14px;
    margin: 0 0 14px;
    background: #f6fafd;
    border-left: 3px solid var(--faka-primary);
    border-radius: 6px;
    color: #374151;
}

/* 从导航/面包屑跳到首页子类区块时，避开吸顶导航（PC 116px / 手机 100px） */
.kf-faka-page .kf-subsec { scroll-margin-top: 124px; }
@media (max-width: 768px) {
    .kf-faka-page .kf-subsec { scroll-margin-top: 108px; }
}
.kf-faka-page .kf-sub-empty {
    margin: 0;
    padding: 16px 18px;
    background: #fff;
    border: 1px dashed #e5e7eb;
    border-radius: 14px;
    color: #9ca3af;
    font-size: 13px;
}

/* 命中子类（导航点子类后定位到的区块）：短暂高亮，明确"我到了哪个子类" */
.kf-faka-page .kf-subsec.kf-sub-hit > .kf-subhead {
    background: #eafaf0;
    border-color: #86e0a6;
    box-shadow: 0 0 0 3px rgba(34, 197, 94, .16);
    transition: background .2s, box-shadow .2s, border-color .2s;
}


/* ---------- 子类导航按钮（首页子类 tab）+ 单子类内容区 ----------
   子类只是导航：页面内容只取「当前选中子类」的商品卡，不再铺陈所有子类区块 */
.kf-faka-page .kf-subtabs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 0 0 14px;
}
.kf-faka-page .kf-subtab {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 9px 15px;
    border: 1px solid #e5e9ef;
    border-radius: 999px;
    background: #fff;
    color: #4b5563;
    font-size: 13.5px;
    line-height: 1;
    text-decoration: none;
    white-space: nowrap;
    transition: color .18s ease, background .18s ease, border-color .18s ease, box-shadow .18s ease;
}
.kf-faka-page .kf-subtab:hover { color: #119d64; border-color: #9fe4c1; background: #f4fdf9; }
.kf-faka-page .kf-subtab.active {
    color: #fff;
    background: var(--faka-primary, #20c180);
    border-color: var(--faka-primary, #20c180);
    box-shadow: 0 6px 16px rgba(32, 193, 128, .26);
}
.kf-faka-page .kf-subtab-c {
    font-style: normal;
    font-size: 11px;
    line-height: 1;
    padding: 3px 7px;
    border-radius: 10px;
    background: #f1f5f9;
    color: #64748b;
}
.kf-faka-page .kf-subtab.active .kf-subtab-c { background: rgba(255, 255, 255, .24); color: #fff; }
@media (max-width: 768px) {
    .kf-faka-page .kf-subtabs {
        flex-wrap: nowrap;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        margin: 0 -2px 12px;
        padding: 2px 2px 4px;
    }
    .kf-faka-page .kf-subtabs::-webkit-scrollbar { display: none; }
    .kf-faka-page .kf-subtab { flex: 0 0 auto; padding: 8px 13px; font-size: 13px; }
}