/* ============================================================
   可梵企业网站管理系统 - 默认主题主样式
   主色 #1a73e8，简洁现代企业风，kf- 前缀
   ============================================================ */

:root {
  --kf-primary: #1a73e8;
  --kf-primary-dark: #1557b0;
  --kf-primary-light: #e8f0fe;
  --kf-danger: #d93025;
  --kf-success: #188038;
  --kf-text: #202124;
  --kf-text-light: #5f6368;
  --kf-border: #e5e7eb;
  --kf-bg: #ffffff;
  --kf-bg-gray: #f5f7fa;
  --kf-radius: 14px;
  --kf-shadow: 0 1px 3px rgba(0,0,0,.08);
  --kf-shadow-hover: 0 4px 14px rgba(0,0,0,.12);
  --kf-header-h: 64px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: var(--kf-text);
  background: var(--kf-bg-gray);
  line-height: 1.6;
  font-size: 15px;
}
a { color: var(--kf-text); text-decoration: none; transition: color .2s; }
a:hover { color: var(--kf-primary); }
img { max-width: 100%; display: block; }
ul { list-style: none; }
h1,h2,h3,h4 { font-weight: 600; }

.kf-container { max-width: 1200px; margin: 0 auto; padding: 0 16px; }
.kf-main { min-height: 60vh; }

/* ---------- 顶部工具条 ---------- */
.kf-topbar { background: #111827; color: #cbd5e1; font-size: 13px; }
.kf-topbar-inner { display: flex; justify-content: space-between; align-items: center; height: 36px; }
.kf-topbar a { color: #cbd5e1; margin-left: 16px; }
.kf-topbar a:hover { color: #fff; }
.kf-topbar-item { margin-right: 16px; }

/* ---------- 头部 ---------- */
.kf-header { background: #fff; box-shadow: var(--kf-shadow); position: relative; z-index: 50; }
.kf-header-inner { display: flex; align-items: center; gap: 24px; height: var(--kf-header-h); }
.kf-logo { flex-shrink: 0; display: flex; align-items: center; }
.kf-logo img { max-height: 40px; }
.kf-logo-text { font-size: 20px; font-weight: 700; color: var(--kf-primary); }

.kf-search { flex: 1; display: flex; max-width: 480px; }
.kf-search input {
  flex: 1; border: 1px solid var(--kf-border); border-right: none;
  border-radius: 20px 0 0 20px; padding: 9px 16px; outline: none; font-size: 14px;
}
.kf-search input:focus { border-color: var(--kf-primary); }
.kf-search .kf-btn { border-radius: 0 20px 20px 0; }

.kf-nav-toggle { display: none; background: none; border: none; cursor: pointer; margin-left: auto; }
.kf-nav-toggle span { display: block; width: 22px; height: 2px; background: var(--kf-text); margin: 4px 0; }

/* ---------- 导航 ---------- */
.kf-nav { border-top: 1px solid var(--kf-border); background: #fff; }
.kf-nav-list { display: flex; flex-wrap: wrap; }
.kf-nav-list > li > a {
  display: block; padding: 12px 20px; font-size: 15px; font-weight: 500;
  border-bottom: 2px solid transparent;
}
.kf-nav-list > li > a:hover,
.kf-nav-list > li > a.active { color: var(--kf-primary); border-bottom-color: var(--kf-primary); }

/* ---------- 按钮 ---------- */
.kf-btn {
  display: inline-block; padding: 9px 22px; border: 1px solid var(--kf-border);
  background: #fff; color: var(--kf-text); border-radius: 6px; cursor: pointer;
  font-size: 14px; transition: all .2s; text-align: center;
}
.kf-btn:hover { border-color: var(--kf-primary); color: var(--kf-primary); }
.kf-btn-primary { background: var(--kf-primary); border-color: var(--kf-primary); color: #fff; }
.kf-btn-primary:hover { background: var(--kf-primary-dark); color: #fff; }
.kf-btn-danger { background: var(--kf-danger); border-color: var(--kf-danger); color: #fff; }
.kf-btn-danger:hover { background: #b3261e; color: #fff; }
.kf-btn-light { background: #fff; border-color: #fff; color: var(--kf-primary); }
.kf-btn-sm { padding: 5px 12px; font-size: 13px; }
.kf-link-danger { background: none; border: none; color: var(--kf-danger); cursor: pointer; font-size: 13px; }

/* ---------- 区块 ---------- */
.kf-section { padding: 40px 0; }
.kf-bg-gray { background: var(--kf-bg-gray); }
.kf-section-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; }
.kf-section-head h2 { font-size: 22px; position: relative; padding-left: 12px; }
.kf-section-head h2::before { content: ''; position: absolute; left: 0; top: 4px; bottom: 4px; width: 4px; background: var(--kf-primary); border-radius: 2px; }
.kf-more { color: var(--kf-text-light); font-size: 14px; }
.kf-section-block { margin-bottom: 40px; }

/* ---------- 面包屑 ---------- */
/* 面包屑：透明融入外壳卡片，不再显示直角白条 */
.kf-breadcrumb { background: transparent; border-bottom: none; font-size: 13px; color: var(--kf-text-light); }
.kf-breadcrumb .kf-container { padding-top: 10px; padding-bottom: 10px; }
.kf-breadcrumb a { color: var(--kf-text-light); }

/* ---------- 卡片网格 ---------- */
.kf-card { background: #fff; border-radius: var(--kf-radius); box-shadow: var(--kf-shadow); padding: 20px; }
.kf-card-grid { display: grid; gap: 20px; }
.kf-grid-4 { grid-template-columns: repeat(4, 1fr); }
.kf-grid-3 { grid-template-columns: repeat(3, 1fr); }
.kf-card-title { font-size: 17px; margin-bottom: 14px; padding-bottom: 10px; border-bottom: 1px solid var(--kf-border); }
/* fix-208：图片框 1:1 全内核兼容——aspect-ratio 旧内核不支持时用 padding-top 撑方兜底，
   img 绝对定位铺满，保证双列左右卡片永远等大等高 */
.kf-card-img { position: relative; aspect-ratio: 1 / 1; background: var(--kf-bg-gray); overflow: hidden; border-radius: 6px; }
.kf-card-img::before { content: ""; display: block; padding-top: 100%; }
.kf-card-img img { position: absolute; top: 0; left: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .3s; }
.kf-card:hover .kf-card-img img { transform: scale(1.05); }
.kf-card-body { padding: 12px 4px 4px; min-height: 122px; }
.kf-card-name { font-size: 15px; margin-bottom: 6px; line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.kf-card-sub { font-size: 12px; color: var(--kf-text-light); margin: -2px 0 6px; line-height: 1.4; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.kf-goods-ship { color: #e6a23c; font-size: 13px; margin-top: 6px; }
.kf-co-ship { color: #e6a23c; font-size: 12px; margin-top: 4px; }
.kf-card-desc { font-size: 13px; color: var(--kf-text-light); overflow: hidden; text-overflow: ellipsis; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }

.kf-img-ph, .kf-banner-ph {
  width: 100%; height: 100%;
  background: linear-gradient(135deg, #e8f0fe 0%, #dbe7fb 100%);
  display: flex; align-items: center; justify-content: center; color: #9bb8e8; font-size: 14px;
}
.kf-img-ph-lg { min-height: 320px; }
.kf-img-ph-sm { min-width: 60px; min-height: 60px; }

/* ---------- 商品 ---------- */
.kf-goods-price { display: flex; align-items: baseline; gap: 8px; margin: 6px 0; }
.kf-price { color: var(--kf-danger); font-weight: 700; }
.kf-price-lg { font-size: 24px; }
.kf-price-original { color: #9aa0a6; text-decoration: line-through; font-size: 13px; }
.kf-goods-meta { font-size: 12px; color: var(--kf-text-light); }

/* ---------- 轮播 ---------- */
.kf-banner { position: relative; height: 420px; overflow: hidden; background: #000; }
.kf-banner-slide { position: absolute; inset: 0; opacity: 0; transition: opacity .6s; }
.kf-banner-slide.active { opacity: 1; }
.kf-banner-slide a { display: block; height: 100%; }
.kf-banner-slide img { width: 100%; height: 100%; object-fit: cover; }
.kf-banner-ph { color: #fff; font-size: 28px; background: linear-gradient(120deg, var(--kf-primary) 0%, #4a9af5 100%); }
.kf-banner-dots { position: absolute; bottom: 16px; left: 0; right: 0; display: flex; justify-content: center; gap: 8px; z-index: 2; }
.kf-banner-dots span { width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,.5); cursor: pointer; }
.kf-banner-dots span.active { background: #fff; }

/* ---------- Hero ---------- */
.kf-hero { display: flex; align-items: center; justify-content: space-between; gap: 30px; flex-wrap: wrap; }
.kf-hero-text h2 { font-size: 28px; margin-bottom: 12px; }
.kf-hero-text p { color: var(--kf-text-light); margin-bottom: 18px; max-width: 560px; }
.kf-hero-stats { display: flex; gap: 40px; }
.kf-stat { text-align: center; }
.kf-stat strong { display: block; font-size: 30px; color: var(--kf-primary); }
.kf-stat span { font-size: 13px; color: var(--kf-text-light); }

/* ---------- 新闻 ---------- */
.kf-news-flex { display: grid; grid-template-columns: 1.2fr 1fr; gap: 24px; }
.kf-news-feature a { display: block; }
.kf-news-feature img { border-radius: 6px; margin-bottom: 12px; }
.kf-news-feature h3 { margin-bottom: 8px; }
.kf-news-feature p { color: var(--kf-text-light); font-size: 14px; }
.kf-news-list li { display: flex; justify-content: space-between; padding: 11px 0; border-bottom: 1px dashed var(--kf-border); }
.kf-news-list a { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.kf-date { color: var(--kf-text-light); font-size: 13px; margin-left: 12px; }

/* ---------- 联系条 ---------- */
.kf-contact-band { background: linear-gradient(120deg, var(--kf-primary) 0%, #4a9af5 100%); color: #fff; }
.kf-contact-band-inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; }
.kf-contact-band h2 { margin-bottom: 6px; }
.kf-contact-band p { opacity: .9; }

/* ---------- 页面标题/文章 ---------- */
.kf-page-title { font-size: 24px; margin-bottom: 20px; }
.kf-page-title small { font-size: 14px; color: var(--kf-text-light); font-weight: normal; }
.kf-article-body { padding: 30px; }
.kf-detail-title { font-size: 24px; line-height: 1.4; margin-bottom: 12px; }
.kf-detail-meta { color: var(--kf-text-light); font-size: 13px; padding-bottom: 16px; margin-bottom: 20px; border-bottom: 1px solid var(--kf-border); }
.kf-detail-meta span { margin-right: 18px; }
.kf-detail-cover { margin-bottom: 20px; }
.kf-detail-content { font-size: 15px; line-height: 1.9; overflow: hidden; }
.kf-detail-content img { max-width: 100%; height: auto; }
.kf-prevnext { margin-top: 30px; padding-top: 16px; border-top: 1px solid var(--kf-border); font-size: 14px; }
.kf-prevnext-item { padding: 6px 0; }
.kf-meta { font-size: 13px; color: var(--kf-text-light); }
.kf-meta span { margin-right: 14px; }

/* ---------- 列表布局 ---------- */
.kf-layout { display: grid; grid-template-columns: 1fr 280px; gap: 24px; }
.kf-layout-main { min-width: 0; }
.kf-sidebar { display: flex; flex-direction: column; gap: 20px; }
.kf-side-cats li a { display: block; padding: 9px 12px; border-radius: 6px; }
.kf-side-cats li a:hover { background: var(--kf-primary-light); color: var(--kf-primary); }
.kf-side-hot li { padding: 9px 0; border-bottom: 1px dashed var(--kf-border); }
.kf-side-hot a { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.kf-side-hot-meta { font-size: 12px; color: var(--kf-text-light); }

.kf-article-list { display: flex; flex-direction: column; gap: 16px; }
.kf-article-item { display: flex; gap: 16px; padding: 16px; }
.kf-article-thumb { flex-shrink: 0; width: 200px; }
.kf-article-thumb img { width: 200px; height: 130px; object-fit: cover; border-radius: 6px; }
.kf-article-info { flex: 1; min-width: 0; }
.kf-article-info h3 { margin-bottom: 8px; }
.kf-article-summary { color: var(--kf-text-light); font-size: 14px; margin-bottom: 8px; }

/* ---------- 筛选/排序/分页 ---------- */
.kf-filter-bar, .kf-sort-bar { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 20px; align-items: center; }
.kf-chip { padding: 6px 16px; border: 1px solid var(--kf-border); border-radius: 18px; font-size: 14px; background: #fff; }
.kf-chip.active, .kf-chip:hover { background: var(--kf-primary); border-color: var(--kf-primary); color: #fff; }
.kf-sort-bar { background: #fff; padding: 10px 16px; border-radius: 6px; }
.kf-sort-bar a { padding: 4px 14px; font-size: 14px; color: var(--kf-text-light); }
.kf-sort-bar a.active { color: var(--kf-primary); font-weight: 600; }

.kf-pagination { display: flex; justify-content: center; gap: 6px; margin-top: 30px; }
.kf-pagination a, .kf-pagination span {
  min-width: 36px; height: 36px; display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--kf-border); border-radius: 6px; font-size: 14px; background: #fff; padding: 0 8px;
}
.kf-pagination .current { background: var(--kf-primary); border-color: var(--kf-primary); color: #fff; }

/* ---------- 表单 ---------- */
.kf-form-row { margin-bottom: 16px; }
.kf-form-row label { display: block; margin-bottom: 6px; font-weight: 500; }
.kf-form-row em { color: var(--kf-danger); font-style: normal; }
.kf-form-row input, .kf-form-row textarea, .kf-form-row select {
  width: 100%; padding: 10px 12px; border: 1px solid var(--kf-border); border-radius: 6px; font-size: 14px; outline: none;
}
.kf-form-row input:focus, .kf-form-row textarea:focus { border-color: var(--kf-primary); }
.kf-form-msg { font-size: 13px; min-height: 20px; margin-bottom: 8px; }
.kf-form-msg.ok { color: var(--kf-success); }
.kf-form-msg.err { color: var(--kf-danger); }

/* ---------- 表格 ---------- */
.kf-table { width: 100%; border-collapse: collapse; background: #fff; border-radius: var(--kf-radius); overflow: hidden; box-shadow: var(--kf-shadow); }
.kf-table th, .kf-table td { padding: 12px 14px; text-align: left; border-bottom: 1px solid var(--kf-border); font-size: 14px; }
.kf-table th { background: var(--kf-bg-gray); font-weight: 600; }
.kf-dl-name { display: flex; align-items: center; gap: 10px; }
.kf-file-icon {
  flex-shrink: 0; background: var(--kf-primary-light); color: var(--kf-primary);
  font-size: 11px; font-weight: 700; padding: 4px 6px; border-radius: 4px; min-width: 42px; text-align: center;
}

/* ---------- 联系 ---------- */
.kf-contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 24px; }
.kf-contact-list li { padding: 10px 0; font-size: 15px; }

/* ---------- 产品详情 ---------- */
.kf-product-detail { display: grid; grid-template-columns: 1fr 1.2fr; gap: 30px; margin-bottom: 30px; }
.kf-gallery-main { background: #fff; border: 1px solid var(--kf-border); border-radius: var(--kf-radius); overflow: hidden; aspect-ratio: 1/1; }
.kf-gallery-main img { width: 100%; height: 100%; object-fit: cover; }
.kf-gallery-thumbs { display: flex; gap: 8px; margin-top: 10px; overflow-x: auto; }
.kf-gallery-thumb { width: 70px; height: 70px; border: 2px solid var(--kf-border); border-radius: 6px; overflow: hidden; cursor: pointer; flex-shrink: 0; }
.kf-gallery-thumb.active { border-color: var(--kf-primary); }
.kf-gallery-thumb img { width: 100%; height: 100%; object-fit: cover; }
.kf-product-name { font-size: 24px; margin-bottom: 8px; }
.kf-product-model, .kf-product-subtitle { color: var(--kf-text-light); margin-bottom: 8px; }
.kf-product-summary { margin: 12px 0; }
.kf-product-price { margin: 12px 0; }
.kf-spec-table { width: 100%; border-collapse: collapse; margin: 14px 0; }
.kf-spec-table th, .kf-spec-table td { padding: 9px 12px; border: 1px solid var(--kf-border); font-size: 14px; text-align: left; }
.kf-spec-table th { background: var(--kf-bg-gray); width: 120px; }

/* ---------- 商城 ---------- */
.kf-mall-hero { background: linear-gradient(120deg, var(--kf-primary) 0%, #4a9af5 100%); color: #fff; padding: 50px 0; }
.kf-mall-hero h1 { font-size: 32px; margin-bottom: 8px; }
.kf-mall-cats { display: grid; grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); gap: 16px; margin-bottom: 36px; }
.kf-mall-cat { background: #fff; border-radius: var(--kf-radius); padding: 18px 10px; text-align: center; box-shadow: var(--kf-shadow); }
.kf-mall-cat:hover { box-shadow: var(--kf-shadow-hover); }
.kf-mall-cat-icon { width: 48px; height: 48px; margin: 0 auto 8px; border-radius: 50%; background: var(--kf-primary-light); color: var(--kf-primary); display: flex; align-items: center; justify-content: center; font-size: 20px; }

.kf-goods-buy-panel { background: var(--kf-bg-gray); border-radius: 8px; padding: 14px 16px; margin: 14px 0; }
.kf-goods-price-row { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.kf-goods-sales, .kf-goods-stock { color: var(--kf-text-light); font-size: 13px; margin-top: 6px; }

.kf-spec-group { margin-bottom: 14px; }
.kf-spec-name { font-size: 14px; color: var(--kf-text-light); margin-bottom: 8px; display: block; }
.kf-spec-values { display: flex; flex-wrap: wrap; gap: 8px; }
.kf-spec-value { padding: 6px 16px; border: 1px solid var(--kf-border); border-radius: 6px; background: #fff; cursor: pointer; font-size: 14px; }
.kf-spec-value.active { border-color: var(--kf-primary); color: var(--kf-primary); background: var(--kf-primary-light); }

.kf-qty-row { display: flex; align-items: center; gap: 10px; margin: 14px 0; }
.kf-qty { display: inline-flex; border: 1px solid var(--kf-border); border-radius: 6px; overflow: hidden; }
.kf-qty-btn { width: 34px; height: 34px; border: none; background: var(--kf-bg-gray); cursor: pointer; font-size: 16px; }
.kf-qty input { width: 50px; text-align: center; border: none; outline: none; }
.kf-qty-sm input { width: 46px; }

.kf-buy-actions { display: flex; gap: 12px; flex-wrap: wrap; margin: 18px 0; }
.kf-shop-bar { display: flex; align-items: center; justify-content: space-between; padding: 14px; border: 1px solid var(--kf-border); border-radius: 8px; margin-top: 14px; }
.kf-shop-bar a { display: flex; align-items: center; gap: 10px; }
.kf-shop-logo { width: 40px; height: 40px; border-radius: 50%; object-fit: cover; }
.kf-shop-rating { color: var(--kf-text-light); font-size: 13px; }

.kf-detail-tabs { display: flex; gap: 20px; border-bottom: 2px solid var(--kf-border); margin-bottom: 20px; }
.kf-detail-tab { padding: 12px 4px; cursor: pointer; font-size: 15px; color: var(--kf-text-light); border-bottom: 2px solid transparent; margin-bottom: -2px; }
.kf-detail-tab.active { color: var(--kf-primary); border-bottom-color: var(--kf-primary); }

.kf-review-list { display: flex; flex-direction: column; gap: 16px; }
.kf-review-head { display: flex; gap: 12px; align-items: center; margin-bottom: 6px; }
.kf-review-user { font-weight: 600; }
.kf-review-stars { color: #f9ab00; }
.kf-review-time { color: var(--kf-text-light); font-size: 13px; }
.kf-review-reply { background: var(--kf-bg-gray); padding: 8px 12px; border-radius: 6px; font-size: 13px; margin-top: 6px; }

/* ---------- 店铺 ---------- */
.kf-shop-header { background: var(--kf-primary); background-size: cover; background-position: center; color: #fff; padding: 40px 0; }
.kf-shop-header-inner { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; }
.kf-shop-info { display: flex; gap: 18px; align-items: center; }
.kf-shop-logo-lg { width: 80px; height: 80px; border-radius: 12px; object-fit: cover; border: 2px solid rgba(255,255,255,.5); }
.kf-shop-desc { opacity: .9; margin: 6px 0; }
.kf-shop-meta { display: flex; gap: 18px; font-size: 13px; opacity: .9; }

/* ---------- 购物车 ---------- */
.kf-cart-goods { display: flex; gap: 12px; align-items: center; }
.kf-cart-goods img { width: 60px; height: 60px; object-fit: cover; border-radius: 6px; }
.kf-cart-title { font-size: 14px; }
.kf-cart-sku { font-size: 12px; color: var(--kf-text-light); }
.kf-cart-bar { display: flex; justify-content: flex-end; align-items: center; gap: 20px; background: #fff; padding: 16px 20px; border-radius: var(--kf-radius); box-shadow: var(--kf-shadow); margin-top: 16px; }
.kf-empty { text-align: center; color: var(--kf-text-light); padding: 30px 0; }
.kf-empty-box { text-align: center; padding: 60px 20px; }
.kf-empty-box p { margin-bottom: 16px; color: var(--kf-text-light); }

/* ---------- 订单 ---------- */
.kf-order-card { margin-bottom: 16px; padding: 0; overflow: hidden; }
.kf-order-head { display: flex; gap: 18px; align-items: center; padding: 12px 16px; background: var(--kf-bg-gray); font-size: 13px; flex-wrap: wrap; }
.kf-order-no { font-weight: 600; }
.kf-order-time { color: var(--kf-text-light); }
.kf-order-status { margin-left: auto; padding: 2px 10px; border-radius: 12px; font-size: 12px; background: var(--kf-primary-light); color: var(--kf-primary); }
.kf-order-status.st-3 { background: #e6f4ea; color: var(--kf-success); }
.kf-order-status.st-4, .kf-order-status.st-5 { background: #fce8e6; color: var(--kf-danger); }
.kf-order-body { padding: 16px; display: flex; flex-direction: column; gap: 12px; }
.kf-order-goods { display: flex; gap: 12px; align-items: center; }
.kf-order-goods img { width: 60px; height: 60px; object-fit: cover; border-radius: 6px; }
.kf-order-goods-title { font-size: 14px; }
.kf-order-goods-price { font-size: 13px; color: var(--kf-text-light); }
.kf-order-foot { display: flex; justify-content: flex-end; align-items: center; gap: 14px; padding: 12px 16px; border-top: 1px solid var(--kf-border); }
.kf-order-actions { display: flex; gap: 8px; }
.kf-order-actions .kf-btn { padding: 6px 16px; font-size: 13px; }

/* ---------- 用户中心 ---------- */
.kf-auth { max-width: 460px; margin: 0 auto; background: #fff; padding: 30px; border-radius: var(--kf-radius); box-shadow: var(--kf-shadow); }
.kf-auth-tabs { display: flex; margin-bottom: 24px; border-bottom: 1px solid var(--kf-border); }
.kf-auth-tab { flex: 1; background: none; border: none; padding: 12px; font-size: 16px; cursor: pointer; color: var(--kf-text-light); border-bottom: 2px solid transparent; }
.kf-auth-tab.active { color: var(--kf-primary); border-bottom-color: var(--kf-primary); font-weight: 600; }

.kf-user-layout { display: grid; grid-template-columns: 240px 1fr; gap: 24px; }
.kf-user-card { text-align: center; }
.kf-user-avatar { width: 64px; height: 64px; border-radius: 50%; object-fit: cover; margin: 0 auto 10px; }
.kf-user-name { font-weight: 600; }
.kf-user-sub { font-size: 13px; color: var(--kf-text-light); }
.kf-user-menu { background: #fff; border-radius: var(--kf-radius); box-shadow: var(--kf-shadow); margin-top: 16px; }
.kf-user-menu li { padding: 13px 20px; cursor: pointer; border-bottom: 1px solid var(--kf-border); font-size: 14px; }
.kf-user-menu li:last-child { border-bottom: none; }
.kf-user-menu li.active, .kf-user-menu li:hover { color: var(--kf-primary); background: var(--kf-primary-light); }
.kf-user-menu li a { display: block; color: inherit; }

/* ---------- 404 ---------- */
.kf-404 { text-align: center; padding: 60px 20px; }
.kf-404-code { font-size: 90px; font-weight: 800; color: var(--kf-primary); line-height: 1; }
.kf-404 h1 { margin: 16px 0 8px; }
.kf-404 p { color: var(--kf-text-light); margin-bottom: 24px; }
.kf-404-actions { display: flex; gap: 12px; justify-content: center; }

/* ---------- 客服窗口 ---------- */
.kf-cs-mask { position: fixed; inset: 0; background: rgba(0,0,0,.4); z-index: 200; display: none; }
.kf-cs-window {
  position: fixed; right: 20px; bottom: 20px; width: 360px; height: 480px; background: #fff;
  border-radius: 12px; box-shadow: 0 10px 40px rgba(0,0,0,.25); z-index: 201; display: none;
  flex-direction: column; overflow: hidden;
}
.kf-cs-window.open, .kf-cs-mask.open { display: flex; }
.kf-cs-head { background: var(--kf-primary); color: #fff; padding: 12px 16px; display: flex; justify-content: space-between; align-items: center; }
.kf-cs-close { background: none; border: none; color: #fff; font-size: 20px; cursor: pointer; }
.kf-cs-body { flex: 1; overflow-y: auto; padding: 14px; background: var(--kf-bg-gray); }
.kf-cs-msg { margin-bottom: 10px; max-width: 80%; }
.kf-cs-msg.user { margin-left: auto; }
.kf-cs-bubble { background: #fff; padding: 8px 12px; border-radius: 8px; font-size: 14px; }
.kf-cs-msg.user .kf-cs-bubble { background: var(--kf-primary); color: #fff; }
.kf-cs-foot { display: flex; gap: 8px; padding: 10px; border-top: 1px solid var(--kf-border); }
.kf-cs-foot input { flex: 1; border: 1px solid var(--kf-border); border-radius: 6px; padding: 8px 10px; outline: none; }

/* ---------- 页脚 ---------- */
/* 页脚大黑块：圆角悬浮块（全站框体统一圆弧处理） */
.kf-footer { background: #1f2937; color: #9ca3af; margin: 40px 16px 16px; border-radius: var(--kf-radius); }
.kf-footer-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; padding: 40px 0; }
.kf-footer h4 { color: #fff; margin-bottom: 14px; font-size: 15px; }
.kf-footer-col li { padding: 5px 0; }
.kf-footer-col a { color: #9ca3af; font-size: 14px; }
.kf-footer-col a:hover { color: #fff; }
.kf-footer-bottom { border-top: 1px solid #374151; padding: 18px 0; text-align: center; font-size: 13px; }
.kf-footer-bottom a { color: #9ca3af; }

/* ---------- 响应式 ---------- */
@media (max-width: 992px) {
  .kf-grid-4 { grid-template-columns: repeat(3, 1fr); }
  .kf-grid-3 { grid-template-columns: repeat(2, 1fr); }
  .kf-layout, .kf-product-detail, .kf-contact-grid { grid-template-columns: 1fr; }
  .kf-news-flex { grid-template-columns: 1fr; }
  .kf-footer-grid { grid-template-columns: repeat(2, 1fr); }
  .kf-user-layout { grid-template-columns: 1fr; }
  .kf-sidebar { order: 2; }
  .kf-hero { flex-direction: column; align-items: flex-start; }
  .kf-section-head { flex-wrap: wrap; gap: 8px; }
  .kf-shop-header-inner { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 640px) {
  .kf-grid-4 { grid-template-columns: repeat(2, 1fr); }
  .kf-grid-3 { grid-template-columns: repeat(2, 1fr); }
  .kf-header-inner { flex-wrap: wrap; height: auto; padding: 10px 16px; gap: 12px; }
  .kf-logo-text { font-size: 18px; }
  .kf-search { order: 3; max-width: 100%; width: 100%; }
  .kf-search input { padding: 8px 12px; font-size: 13px; }
  .kf-nav-toggle { display: block; }
  .kf-nav { display: none; }
  .kf-nav.open { display: block; }
  .kf-nav-list { flex-direction: column; }
  .kf-nav-list > li > a { padding: 10px 16px; }
  .kf-banner { height: 220px; }
  .kf-hero-stats { gap: 20px; flex-wrap: wrap; }
  .kf-stat strong { font-size: 24px; }
  .kf-hero-text h2 { font-size: 22px; }
  .kf-article-item { flex-direction: column; }
  .kf-article-thumb, .kf-article-thumb img { width: 100%; }
  .kf-footer-grid { grid-template-columns: 1fr; }
  .kf-cart-table { display: block; overflow-x: auto; }
  .kf-cs-window { width: calc(100% - 20px); right: 10px; height: 70vh; }
  .kf-topbar-inner { flex-wrap: wrap; height: auto; padding: 6px 0; gap: 4px 12px; }
  .kf-topbar a { margin-left: 0; }
  .kf-topbar-right { display: flex; flex-wrap: wrap; gap: 4px 12px; }
  .kf-topbar-right a { margin-left: 0; }
  .kf-section { padding: 24px 0; }
  .kf-section-head h2 { font-size: 18px; }
  .kf-card { padding: 14px; }
  .kf-detail-tabs { overflow-x: auto; flex-wrap: nowrap; gap: 14px; }
  .kf-detail-tab { white-space: nowrap; }
  .kf-product-detail { gap: 16px; }
  .kf-product-name { font-size: 20px; }
  .kf-order-head { gap: 8px; }
  .kf-order-foot { flex-direction: column; align-items: stretch; gap: 10px; }
  .kf-order-actions { justify-content: flex-end; }
  .kf-buy-actions { flex-direction: column; align-items: stretch; }
  .kf-buy-actions .kf-btn { width: 100%; }
  .kf-mall-hero { padding: 30px 0; }
  .kf-mall-hero h1 { font-size: 24px; }
  .kf-mall-cats { grid-template-columns: repeat(auto-fill, minmax(80px, 1fr)); gap: 10px; }
  .kf-mall-cat { padding: 12px 6px; }
  .kf-mall-cat-icon { width: 36px; height: 36px; font-size: 16px; }
  .kf-auth { padding: 20px; }
  .kf-shop-meta { flex-wrap: wrap; gap: 8px; }
  .kf-shop-info { flex-wrap: wrap; gap: 10px; }
  .kf-shop-logo-lg { width: 60px; height: 60px; }
  .kf-contact-band-inner { flex-direction: column; align-items: flex-start; }
  .kf-404-code { font-size: 64px; }
  .kf-404-actions { flex-direction: column; align-items: center; }
}
@media (max-width: 380px) {
  .kf-grid-4, .kf-grid-3 { grid-template-columns: 1fr; }
  .kf-mall-cats { grid-template-columns: repeat(2, 1fr); }
}

/* ================================================================
 * 组件化悬浮布局样式 (Page Builder Components)
 * 组件悬浮在全局背景层之上，半透明+圆角+毛玻璃
 * ================================================================ */

/* ---------- 页面背景与主容器 ---------- */
.kf-page-bg {
    position: fixed;
    z-index: -1;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    background-repeat: no-repeat;
}
.kf-page-content {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    padding-bottom: 40px;
}

/* ---------- 组件容器（悬浮卡片） ---------- */
.kf-component {
    margin-bottom: 20px;
    border-radius: var(--kf-radius);
    overflow: hidden;
    background: rgb(255 255 255 / var(--kf-comp-opacity, 0.92));
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}
.kf-component-title {
    padding: 16px 24px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}
.kf-component-title h3 {
    margin: 0;
    font-size: 18px;
    color: #333;
    font-weight: 600;
}
.kf-component-body {
    padding: 24px;
}

/* ---------- 宽度布局类 ---------- */
.kf-comp-full {
    width: 100%;
}
.kf-comp-container {
    max-width: 1200px;
    margin: 0 auto;
}
.kf-comp-custom {
    margin: 0 auto;
}
.kf-comp-left {
    float: left;
    margin-right: 20px;
}
.kf-comp-right {
    float: right;
    margin-left: 20px;
}

/* ---------- 页面区域 ---------- */
.kf-page-top {
    /* 顶部区域，组件自带宽度类 */
}
.kf-page-main {
    display: flex;
    gap: 20px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px 15px;
}
.kf-page-main-content {
    flex: 1;
    min-width: 0;
}
.kf-page-sidebar {
    width: 300px;
    flex-shrink: 0;
}
.kf-page-bottom {
    /* 底部区域 */
}

/* ---------- 通用网格/列表 ---------- */
.kf-comp-grid {
    display: grid;
    gap: 20px;
}
.kf-comp-grid-item {
    min-width: 0;
}
.kf-comp-list {
    list-style: none;
    margin: 0;
    padding: 0;
}
.kf-comp-list-item {
    padding: 12px 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}
.kf-comp-list-item:last-child {
    border-bottom: none;
}

/* ---------- 轮播图 ---------- */
.kf-comp-banner {
    position: relative;
    width: 100%;
    overflow: hidden;
    border-radius: 8px;
}
.kf-comp-banner-slides {
    position: relative;
    width: 100%;
    height: 100%;
}
.kf-comp-banner-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.5s ease-in-out;
}
.kf-comp-banner-slide.active {
    opacity: 1;
    position: relative;
}
.kf-comp-banner-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.kf-comp-banner-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 12px 20px;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.5));
    color: #fff;
    font-size: 15px;
}
.kf-comp-banner-dots {
    position: absolute;
    bottom: 12px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 8px;
    z-index: 2;
}
.kf-comp-banner-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: background 0.3s;
}
.kf-comp-banner-dot.active {
    background: #fff;
}
.kf-comp-banner-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.3);
    color: #fff;
    border: none;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 18px;
    line-height: 1;
    z-index: 2;
}
.kf-comp-banner-arrow:hover {
    background: rgba(0, 0, 0, 0.5);
}
.kf-comp-banner-prev { left: 12px; }
.kf-comp-banner-next { right: 12px; }

/* ---------- 导航栏 ---------- */
.kf-comp-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}
.kf-comp-nav-logo img {
    max-height: 48px;
    max-width: 180px;
    display: block;
}
.kf-comp-nav-logo span {
    font-size: 22px;
    font-weight: 700;
    color: #333;
}
.kf-comp-nav-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 4px;
    flex-wrap: wrap;
}
.kf-comp-nav-item a {
    display: inline-block;
    padding: 8px 16px;
    color: #333;
    text-decoration: none;
    border-radius: 6px;
    font-size: 15px;
    transition: background 0.2s, color 0.2s;
}
.kf-comp-nav-item a:hover,
.kf-comp-nav-item.active a {
    background: rgba(0, 0, 0, 0.05);
    color: #2563eb;
}
.kf-comp-nav-user {
    display: flex;
    align-items: center;
    gap: 12px;
}
.kf-comp-nav-user a {
    color: #555;
    text-decoration: none;
    font-size: 14px;
}
.kf-comp-nav-user a:hover {
    color: #2563eb;
}
.kf-comp-nav-cart {
    position: relative;
}

/* ---------- 登录栏 ---------- */
.kf-comp-loginbar {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
}
.kf-comp-loginbar a {
    color: #2563eb;
    text-decoration: none;
}
.kf-comp-loginbar a:hover {
    text-decoration: underline;
}
.kf-comp-loginbar-welcome {
    color: #333;
    font-weight: 500;
}
.kf-comp-loginbar-divider {
    color: #ccc;
}

/* ---------- 搜索框 ---------- */
.kf-comp-search {
    display: flex;
    gap: 0;
}
.kf-comp-search-input {
    flex: 1;
    padding: 10px 16px;
    border: 1px solid #ddd;
    border-right: none;
    border-radius: 8px 0 0 8px;
    font-size: 14px;
    outline: none;
}
.kf-comp-search-input:focus {
    border-color: #2563eb;
}
.kf-comp-search-btn {
    padding: 10px 24px;
    background: #2563eb;
    color: #fff;
    border: none;
    border-radius: 0 8px 8px 0;
    cursor: pointer;
    font-size: 14px;
}
.kf-comp-search-btn:hover {
    background: #1d4ed8;
}

/* ---------- 文章/新闻列表项 ---------- */
.kf-comp-article-item,
.kf-comp-news-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}
.kf-comp-article-thumb,
.kf-comp-news-thumb {
    flex-shrink: 0;
    width: 160px;
    overflow: hidden;
    border-radius: 6px;
}
.kf-comp-article-thumb img,
.kf-comp-news-thumb img {
    width: 100%;
    height: 110px;
    object-fit: cover;
    display: block;
}
.kf-comp-article-info,
.kf-comp-news-info {
    flex: 1;
    min-width: 0;
}
.kf-comp-article-title,
.kf-comp-news-title {
    font-size: 16px;
    font-weight: 600;
    color: #333;
    text-decoration: none;
    display: block;
    margin-bottom: 6px;
}
.kf-comp-article-title:hover,
.kf-comp-news-title:hover {
    color: #2563eb;
}
.kf-comp-article-summary,
.kf-comp-news-summary {
    font-size: 13px;
    color: #888;
    line-height: 1.6;
    margin: 0 0 6px;
}
.kf-comp-article-date,
.kf-comp-news-date {
    font-size: 12px;
    color: #aaa;
}

/* ---------- 产品/商品卡片 ---------- */
.kf-comp-product-card a,
.kf-comp-goods-card a {
    text-decoration: none;
    color: inherit;
}
.kf-comp-product-thumb,
.kf-comp-goods-thumb {
    width: 100%;
    aspect-ratio: 1;
    overflow: hidden;
    border-radius: 8px;
    background: #f5f5f5;
    margin-bottom: 10px;
}
.kf-comp-product-thumb img,
.kf-comp-goods-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.3s;
}
.kf-comp-product-card:hover .kf-comp-product-thumb img,
.kf-comp-goods-card:hover .kf-comp-goods-thumb img {
    transform: scale(1.05);
}
.kf-comp-product-noimg,
.kf-comp-goods-noimg {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ccc;
    font-size: 14px;
}
.kf-comp-product-name,
.kf-comp-goods-title {
    font-size: 14px;
    color: #333;
    margin: 0 0 6px;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.kf-comp-product-price,
.kf-comp-goods-price {
    color: #e53e3e;
    font-weight: 700;
    font-size: 16px;
}
.kf-comp-goods-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 4px;
}
.kf-comp-goods-sales {
    font-size: 12px;
    color: #999;
}
.kf-comp-goods-buybtn {
    display: block;
    width: 100%;
    margin-top: 8px;
    padding: 6px 0;
    background: #e53e3e;
    color: #fff;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 13px;
}
.kf-comp-goods-buybtn:hover {
    background: #c53030;
}

/* ---------- 分类导航 ---------- */
.kf-comp-catnav {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.kf-comp-catnav-item a {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    background: rgba(0, 0, 0, 0.04);
    border-radius: 20px;
    color: #555;
    text-decoration: none;
    font-size: 14px;
    transition: background 0.2s, color 0.2s;
}
.kf-comp-catnav-item a:hover {
    background: #2563eb;
    color: #fff;
}

/* ---------- 联系信息 ---------- */
.kf-comp-contact {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.kf-comp-contact-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: #555;
}
.kf-comp-contact-icon {
    font-size: 16px;
}
.kf-comp-contact-label {
    color: #999;
}

/* ---------- 友情链接 ---------- */
.kf-comp-links {
    display: flex;
    flex-wrap: wrap;
    gap: 6px 16px;
}
.kf-comp-links-item {
    color: #666;
    text-decoration: none;
    font-size: 13px;
}
.kf-comp-links-item:hover {
    color: #2563eb;
}

/* ---------- 购物车入口 ---------- */
.kf-comp-cartentry {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: rgba(0, 0, 0, 0.04);
    border-radius: 20px;
    color: #555;
    text-decoration: none;
    font-size: 14px;
    position: relative;
}
.kf-comp-cartentry:hover {
    background: #2563eb;
    color: #fff;
}
.kf-comp-cartentry-badge {
    position: absolute;
    top: -4px;
    right: -6px;
    background: #e53e3e;
    color: #fff;
    font-size: 11px;
    padding: 1px 6px;
    border-radius: 10px;
    min-width: 18px;
    text-align: center;
}

/* ---------- 后台入口 ---------- */
.kf-comp-adminentry a {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: #f59e0b;
    text-decoration: none;
    font-size: 14px;
}
.kf-comp-adminentry a:hover {
    text-decoration: underline;
}

/* ---------- 页脚组件 ---------- */
.kf-comp-footer {
    text-align: center;
    color: #888;
    font-size: 13px;
}
.kf-comp-footer-copyright {
    margin: 0 0 4px;
}
.kf-comp-footer-icp a {
    color: #888;
}
.kf-comp-footer-contact {
    margin-top: 8px;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 6px 20px;
}

/* ---------- 侧边栏 ---------- */
.kf-comp-sidebar-title {
    margin: 0 0 12px;
    font-size: 16px;
    font-weight: 600;
    color: #333;
    padding-bottom: 8px;
    border-bottom: 2px solid #2563eb;
}
.kf-comp-sidebar-list {
    list-style: none;
    margin: 0;
    padding: 0;
}
.kf-comp-sidebar-item a {
    display: block;
    padding: 8px 0;
    color: #555;
    text-decoration: none;
    font-size: 14px;
    border-bottom: 1px dashed rgba(0, 0, 0, 0.06);
}
.kf-comp-sidebar-item a:hover {
    color: #2563eb;
    padding-left: 4px;
}

/* ---------- 图片广告 ---------- */
.kf-comp-image-ad {
    text-align: center;
}
.kf-comp-image-ad img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
}

/* ---------- 空白占位 ---------- */
.kf-comp-blank {
    /* 空div，仅占高度 */
}

/* ---------- 空状态 ---------- */
.kf-comp-empty {
    padding: 20px;
    text-align: center;
    color: #999;
}

/* ================================================================
 * 组件化悬浮布局 - 响应式
 * ================================================================ */
/* 平板/窄窗口断点：导航栏元素缩小排布，避免拥挤错乱 */
@media (max-width: 1024px) {
    .kf-comp-nav { gap: 10px; }
    .kf-comp-nav-menu { gap: 2px; }
    .kf-comp-nav-item a { padding: 8px 10px; font-size: 14px; }
    .kf-comp-nav-search input { width: 110px; padding: 0 10px; }
    .kf-comp-nav-search button { padding: 0 10px; }
    .kf-comp-nav-user { gap: 4px; }
    .kf-comp-nav-user a { padding: 6px 10px; font-size: 13px; }
}

@media (max-width: 768px) {
    .kf-page-main {
        flex-direction: column;
    }
    .kf-page-sidebar {
        width: 100%;
    }
    .kf-comp-grid {
        grid-template-columns: repeat(2, 1fr) !important;
    }
    .kf-comp-article-item,
    .kf-comp-news-item {
        flex-direction: column;
    }
    .kf-comp-article-thumb,
    .kf-comp-news-thumb {
        width: 100%;
    }
    .kf-comp-article-thumb img,
    .kf-comp-news-thumb img {
        height: 180px;
    }
    .kf-component-body {
        padding: 16px;
    }
}

/* ================================================================
 * 全局组件透明度覆盖
 * 由后台 site_component_opacity 控制透明度
 * 通过 header.php 注入 --kf-comp-opacity CSS变量
 * ================================================================ */
:root { --kf-comp-opacity: 0.92; }

.kf-header,
.kf-nav,
.kf-card,
.kf-sort-bar,
.kf-table,
.kf-mall-cat,
.kf-cart-bar,
.kf-auth,
.kf-user-menu,
.kf-chip {
    background: rgb(255 255 255 / var(--kf-comp-opacity, 0.92));
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    border-radius: var(--kf-radius);
}
/* 面包屑保持透明融入卡片（不在此组内，避免出现无圆角的白条） */

/* ================================================================
 * 专业首页排版样式
 * ================================================================ */

/* ---- 页面构建器导航 sticky ---- */
.kf-page-top { position: sticky; top: 0; z-index: 100; }
/* 顶部导航/搜索/登录条与全站卡片统一圆角（圆弧处理） */
.kf-page-top .kf-component { border-radius: var(--kf-radius); }
.kf-comp-nav {
    display: flex; align-items: center; justify-content: space-between;
    max-width: 1200px; margin: 0 auto; padding: 0 16px; gap: 16px;
}
.kf-comp-nav-logo { flex-shrink: 0; }
.kf-comp-nav-logo img { max-height: 40px; }
.kf-comp-nav-menu { display: flex; gap: 4px; flex: 1; justify-content: center; flex-wrap: wrap; }
.kf-comp-nav-item a {
    display: flex; align-items: center; gap: 4px; padding: 10px 14px;
    border-radius: 6px; font-size: 15px; font-weight: 500; color: var(--kf-text);
    transition: all .15s; white-space: nowrap;
}
.kf-comp-nav-item a:hover { background: var(--kf-primary-light); color: var(--kf-primary); }
.kf-comp-nav-item.active a { color: var(--kf-primary); }
.kf-comp-nav-user { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.kf-comp-nav-user a { font-size: 14px; color: var(--kf-text); }
.kf-comp-nav-cart { background: var(--kf-primary); color: #fff; padding: 6px 14px; border-radius: 6px; }
.kf-comp-nav-cart:hover { background: var(--kf-primary-dark); }

/* ---- Hero 区域 ---- */
.kf-hero-section { text-align:center; padding:56px 16px 40px; }
.kf-hero-section h1 {
    font-size:42px; font-weight:800; margin-bottom:16px;
    background:linear-gradient(135deg,#1a73e8,#4285f4);
    -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text;
}
.kf-hero-section .kf-hero-sub { font-size:18px; color:var(--kf-text-light); margin-bottom:28px; max-width:600px; margin-left:auto; margin-right:auto; }
.kf-hero-actions { display:flex; gap:12px; justify-content:center; flex-wrap:wrap; }
.kf-hero-btn-primary { background:var(--kf-primary); color:#fff; padding:12px 28px; border-radius:8px; font-weight:500; font-size:15px; display:inline-block; transition:all .2s; }
.kf-hero-btn-primary:hover { background:var(--kf-primary-dark); transform:translateY(-1px); box-shadow:0 4px 12px rgba(26,115,232,.3); }
.kf-hero-btn-outline { background:rgb(255 255 255 / var(--kf-comp-opacity,0.92)); color:var(--kf-primary); border:2px solid var(--kf-primary); padding:10px 28px; border-radius:8px; font-weight:500; font-size:15px; display:inline-block; transition:all .2s; }
.kf-hero-btn-outline:hover { background:var(--kf-primary-light); }

/* ---- 特性卡片 ---- */
.kf-features-section { padding:10px 0 30px; }
.kf-features-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:20px; }
.kf-feature-card {
    background:rgb(255 255 255 / var(--kf-comp-opacity,0.92));
    backdrop-filter:blur(10px); -webkit-backdrop-filter:blur(10px);
    border-radius:12px; padding:28px 20px; text-align:center;
    box-shadow:var(--kf-shadow); transition:all .3s; border:1px solid transparent;
}
.kf-feature-card:hover { transform:translateY(-4px); box-shadow:var(--kf-shadow-hover); border-color:var(--kf-primary-light); }
.kf-feature-icon { width:56px; height:56px; margin:0 auto 16px; border-radius:14px; display:flex; align-items:center; justify-content:center; font-size:28px; }
.kf-feature-icon.blue { background:#e8f0fe; }
.kf-feature-icon.green { background:#e6f4ea; }
.kf-feature-icon.orange { background:#fef7e0; }
.kf-feature-icon.purple { background:#f3e8fd; }
.kf-feature-card h3 { font-size:17px; margin-bottom:8px; }
.kf-feature-card p { font-size:13px; color:var(--kf-text-light); }

/* ---- 统计数据 ---- */
.kf-stats-section { padding:10px 0 30px; }
.kf-stats-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:20px; }
.kf-stat-item { text-align:center; }
.kf-stat-item strong { display:block; font-size:36px; color:var(--kf-primary); font-weight:800; }
.kf-stat-item span { font-size:14px; color:var(--kf-text-light); }

/* ---- 双栏内容 ---- */
.kf-split-section { padding:10px 0 30px; }
.kf-split-grid { display:grid; grid-template-columns:1.3fr 1fr; gap:24px; }
.kf-split-col h2 { font-size:22px; margin-bottom:20px; padding-left:12px; border-left:4px solid var(--kf-primary); }
.kf-split-col .kf-more-link { float:right; font-size:14px; color:var(--kf-text-light); border:none; padding:0; }

/* ---- 新闻横排卡片 ---- */
.kf-news-grid-section { padding:10px 0 30px; }
.kf-news-grid-section h2 { font-size:22px; margin-bottom:20px; padding-left:12px; border-left:4px solid var(--kf-primary); }
.kf-news-grid3 { display:grid; grid-template-columns:repeat(3,1fr); gap:20px; }
.kf-news-card-h {
    background:rgb(255 255 255 / var(--kf-comp-opacity,0.92));
    backdrop-filter:blur(10px); -webkit-backdrop-filter:blur(10px);
    border-radius:10px; overflow:hidden; box-shadow:var(--kf-shadow); transition:all .3s;
}
.kf-news-card-h:hover { box-shadow:var(--kf-shadow-hover); transform:translateY(-2px); }
.kf-news-card-h .kf-news-img-h { height:160px; background:linear-gradient(135deg,#e8f0fe,#dbe7fb); display:flex; align-items:center; justify-content:center; color:#9bb8e8; font-size:40px; }
.kf-news-card-h .kf-news-img-h img { width:100%; height:100%; object-fit:cover; }
.kf-news-card-h .kf-news-body-h { padding:16px; }
.kf-news-card-h .kf-news-body-h h3 { font-size:16px; margin-bottom:6px; }
.kf-news-card-h .kf-news-body-h p { font-size:13px; color:var(--kf-text-light); display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden; }
.kf-news-card-h .kf-news-date-h { font-size:12px; color:#9aa0a6; margin-top:8px; }

/* ---- 联系CTA横幅 ---- */
.kf-cta-section { padding:10px 0 30px; }
.kf-cta-inner {
    background:linear-gradient(135deg,var(--kf-primary) 0%,#4a9af5 100%);
    border-radius:16px; padding:40px; color:#fff;
    display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:20px;
}
.kf-cta-text h2 { font-size:24px; margin-bottom:8px; }
.kf-cta-text p { opacity:.9; font-size:15px; }
.kf-cta-actions { display:flex; gap:12px; }
.kf-cta-btn { background:#fff; color:var(--kf-primary); padding:10px 24px; border-radius:8px; font-weight:500; display:inline-block; }
.kf-cta-btn:hover { transform:translateY(-1px); box-shadow:0 4px 12px rgba(0,0,0,.15); }
.kf-cta-btn-ghost { background:transparent !important; color:#fff !important; border:2px solid #fff; }

/* ---- 导航栏升级 ---- */
.kf-comp-nav {
    display:flex; align-items:center; justify-content:space-between; gap:16px; flex-wrap:wrap;
    padding:0 8px;
}
.kf-comp-nav-logo { display:flex; align-items:center; gap:8px; font-size:20px; font-weight:700; color:var(--kf-primary); text-decoration:none; }
.kf-comp-nav-logo img { max-height:40px; max-width:180px; }
.kf-comp-nav-menu {
    display:flex; align-items:center; gap:4px; flex:1; justify-content:center;
    list-style:none; margin:0; padding:0; flex-wrap:wrap;
}
.kf-comp-nav-item a {
    display:inline-flex; align-items:center; gap:4px;
    padding:8px 16px; border-radius:6px; font-size:15px; font-weight:500;
    transition:all .2s; text-decoration:none;
}
.kf-comp-nav-item a:hover, .kf-comp-nav-item.active a { background:var(--kf-primary-light); color:var(--kf-primary); }
.kf-comp-nav-user { display:flex; gap:8px; }
.kf-comp-nav-user a { padding:6px 16px; border-radius:6px; font-size:14px; font-weight:500; }

/* ---- 导航栏内嵌搜索框（传统胶囊样式缩小版：输入框+按钮拼接） ---- */
.kf-comp-nav-search { display:flex; align-items:center; flex-shrink:0; }
.kf-comp-nav-search input {
    width:150px; height:34px; padding:0 14px;
    border:1px solid var(--kf-border); border-right:none;
    border-radius:20px 0 0 20px; background:#fff; font-size:13px;
    color:var(--kf-text); outline:none; transition:border-color .2s;
}
.kf-comp-nav-search input:focus { border-color:var(--kf-primary); }
.kf-comp-nav-search button {
    height:34px; padding:0 16px; border:none;
    border-radius:0 20px 20px 0; background:var(--kf-primary); color:#fff;
    font-size:13px; cursor:pointer; transition:background .2s;
}
.kf-comp-nav-search button:hover { background:var(--kf-primary-dark); }

/* ---- 文章卡片升级(横排) ---- */
.kf-comp-article-item {
    display:flex; gap:0; align-items:stretch;
    background:rgb(255 255 255 / var(--kf-comp-opacity,0.92));
    backdrop-filter:blur(10px); -webkit-backdrop-filter:blur(10px);
    border-radius:10px; overflow:hidden; box-shadow:var(--kf-shadow);
    margin-bottom:16px; transition:all .3s;
}
.kf-comp-article-item:hover { box-shadow:var(--kf-shadow-hover); transform:translateY(-2px); }
.kf-comp-article-thumb { width:180px; flex-shrink:0; background:linear-gradient(135deg,#e8f0fe,#dbe7fb); display:flex; align-items:center; justify-content:center; }
.kf-comp-article-thumb img { width:100%; height:100%; object-fit:cover; }
.kf-comp-article-info { padding:16px 20px; flex:1; }
.kf-comp-article-title { font-size:16px; margin-bottom:6px; display:block; }
.kf-comp-article-summary { font-size:13px; color:var(--kf-text-light); margin-bottom:8px; display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden; }
.kf-comp-article-date { font-size:12px; color:#9aa0a6; }

/* ---- 下载列表卡片(与文章卡片统一：白卡+圆角+阴影+悬浮上浮) ---- */
.kf-comp-file-item {
    display:flex; align-items:center; gap:14px;
    background:rgb(255 255 255 / var(--kf-comp-opacity,0.92));
    backdrop-filter:blur(10px); -webkit-backdrop-filter:blur(10px);
    border-radius:10px; overflow:hidden; box-shadow:var(--kf-shadow);
    border-bottom:none;
    margin-bottom:16px; padding:14px 18px; transition:all .3s;
}
.kf-comp-file-item:hover { box-shadow:var(--kf-shadow-hover); transform:translateY(-2px); }
.kf-comp-file-item .kf-comp-article-info { padding:0; }
.kf-comp-file-item .kf-comp-article-title { margin-bottom:2px; }
.kf-comp-file-item .kf-file-icon { min-width:48px; padding:9px 6px; border-radius:8px; font-size:12px; }
.kf-comp-file-item .kf-btn { flex-shrink:0; border-radius:8px; }

/* ---- 产品卡片网格升级 ---- */
.kf-product-grid-2x2 { display:grid; grid-template-columns:repeat(2,1fr); gap:12px; }
.kf-product-card-pro {
    background:rgb(255 255 255 / var(--kf-comp-opacity,0.92));
    backdrop-filter:blur(10px); -webkit-backdrop-filter:blur(10px);
    border-radius:10px; overflow:hidden; box-shadow:var(--kf-shadow);
    transition:all .3s; text-align:center;
}
.kf-product-card-pro:hover { box-shadow:var(--kf-shadow-hover); transform:translateY(-2px); }
.kf-product-card-pro .kf-product-img-pro { aspect-ratio:1; background:linear-gradient(135deg,#f0f4f8,#e0e7ee); display:flex; align-items:center; justify-content:center; color:#bbb; font-size:40px; }
.kf-product-card-pro .kf-product-img-pro img { width:100%; height:100%; object-fit:cover; }
.kf-product-card-pro .kf-product-name-pro { padding:8px 10px 4px; font-size:14px; font-weight:500; }
.kf-product-card-pro .kf-product-price-pro { padding:0 10px 10px; color:var(--kf-primary); font-weight:700; font-size:16px; }

/* ---- 页脚升级 ---- */
.kf-comp-footer {
    background:#1e293b; color:#cbd5e1; padding:40px 0 0; margin:0;
    /* 全站统一14px圆角（原border-radius:0导致首页底部出现直角黑块） */
    border-radius:var(--kf-radius); box-shadow:none; overflow:hidden;
}
.kf-comp-footer .kf-comp-footer-inner {
    max-width:1200px; margin:0 auto; padding:0 16px;
    display:grid; grid-template-columns:2fr 1fr 1fr 1fr; gap:32px;
}
.kf-comp-footer h4 { color:#fff; font-size:15px; margin-bottom:12px; }
.kf-comp-footer a, .kf-comp-footer .kf-comp-footer-item { color:#94a3b8; font-size:14px; display:block; padding:4px 0; text-decoration:none; }
.kf-comp-footer a:hover { color:#fff; }
.kf-comp-footer-info p { color:#94a3b8; font-size:14px; line-height:1.8; }
.kf-comp-footer-bottom { text-align:center; padding:16px; border-top:1px solid #334155; margin-top:32px; font-size:13px; color:#64748b; }

/* ---- 隐藏首页搜索框(融入Hero区) ---- */
.kf-page-top .kf-comp-search { display:none; }

/* ---- 响应式 ---- */
@media (max-width:768px) {
    .kf-features-grid { grid-template-columns:repeat(2,1fr); }
    .kf-split-grid { grid-template-columns:1fr; }
    .kf-news-grid3 { grid-template-columns:1fr; }
    .kf-stats-grid { grid-template-columns:repeat(2,1fr); }
    .kf-comp-footer .kf-comp-footer-inner { grid-template-columns:1fr; gap:20px; }
    .kf-hero-section h1 { font-size:28px; }
    .kf-hero-section .kf-hero-sub { font-size:15px; }
    .kf-comp-nav-menu { display:none; }
    .kf-comp-nav-search { display:none; }
    /* 手机端：构建器导航折叠为汉堡菜单（复用 main.js 的 kfNavToggle/open 机制） */
    .kf-comp-nav { flex-wrap:wrap; }
    .kf-comp-nav .kf-comp-nav-toggle { display:block; margin-left:auto; }
    .kf-comp-nav-menu.open { display:flex; flex-basis:100%; flex-direction:column; gap:0; padding:8px 0; border-top:1px solid var(--kf-border); margin-top:8px; }
    .kf-comp-nav-menu.open .kf-comp-nav-item a { display:block; padding:12px 10px; border-radius:8px; }
    .kf-comp-article-item { flex-direction:column; }
    .kf-comp-article-thumb { width:100%; height:140px; }
    .kf-cta-inner { flex-direction:column; text-align:center; }
    .kf-product-grid-2x2 { grid-template-columns:1fr; }
}
@media (max-width: 480px) {
    .kf-comp-grid {
        grid-template-columns: 1fr !important;
    }
}

/* ---- 后台可视化装修模式（仅 ?__builder=1 且管理员登录时输出，前台访客无感知） ---- */
.kf-builder-notice {
    position:fixed; top:0; left:0; right:0; z-index:10000;
    background:#2563eb; color:#fff; font-size:13px; text-align:center;
    padding:7px 12px; box-shadow:0 2px 8px rgb(0 0 0 / .2);
}
.kf-builder-mode .kf-page-top { top:34px; } /* 吸顶导航避开装修提示条 */
.kf-builder-mode .kf-page-content { padding-top:34px; }
.kf-builder-slot {
    position:relative; min-height:28px;
    outline:2px dashed rgba(37,99,235,.55); outline-offset:3px;
    border-radius:var(--kf-radius);
}
.kf-builder-slot:hover { outline-color:#2563eb; outline-style:solid; }
.kf-builder-slot[data-status="0"] { opacity:.4; outline-color:#f59e0b; }
.kf-builder-bar {
    position:absolute; top:-40px; left:6px; z-index:9998;
    display:none; gap:2px; background:#1e293b; border-radius:8px; padding:3px;
    box-shadow:0 4px 12px rgb(0 0 0 / .3);
}
.kf-builder-slot:hover .kf-builder-bar { display:flex; }
.kf-builder-bar button {
    width:30px; height:30px; border:none; border-radius:6px;
    background:transparent; color:#fff; cursor:pointer; font-size:14px; line-height:1;
}
.kf-builder-bar button:hover { background:#334155; }

/* 页脚（含底部版权深色条）：圆角悬浮块，overflow 裁剪保证内部深色条也呈圆角 */
.kf-footer { border-radius: var(--kf-radius); overflow: hidden; }

/* ================================================================
 * fix-204（批次四）手机商品浏览方式切换：双列瀑布流(类淘宝) / 单列大图(类京东)
 * 商品列表页排序条右侧按钮切换，localStorage 记忆；全部样式收在 ≤768 断点，
 * 桌面端按钮隐藏、即便 class 残留渲染也与原网格完全一致
 * ================================================================ */
.kf-view-toggle {
    display: none;               /* 桌面不显示 */
    margin-left: auto;           /* flex 容器内推到最右 */
    padding: 5px 12px;
    font-size: 13px;
    line-height: 1.4;
    color: var(--kf-text-light);
    background: #f2f4f7;
    border: none;
    border-radius: 14px;
    cursor: pointer;
    align-items: center;
    white-space: nowrap;
}
.kf-view-toggle:active { transform: scale(.96); }
@media (max-width: 768px) {
    .kf-view-toggle { display: inline-flex; }
    .kf-view-toggle.on { color: #fff; background: var(--kf-primary); }

    /* 默认双列瀑布流（类淘宝）：超小屏也保持 2 列（特异性高于 ≤380 的 1fr 规则） */
    .kf-card-grid.kf-grid-4 { grid-template-columns: repeat(2, 1fr); gap: 10px; }

    /* fix-206：手机端隐藏列表上方重复的分类筛选区（页头分类条已有同一功能） */
    .kf-filter-bar { display: none; }

    /* fix-210：面包屑「当前位置」手机端隐藏 */
    .kf-breadcrumb { display: none; }

    /* fix-210：商品列表满铺——双层容器(mall-container+kf-container)白边收窄为8px */
    .mall-main .kf-section .kf-container { padding-left: 0; padding-right: 0; }

    /* fix-210：卡片贴边满宽（类京东/天猫）——去掉卡片20px内框，图片顶格满宽 */
    .kf-goods-card { padding: 0; overflow: hidden; }
    .kf-goods-card .kf-card-img { border-radius: 0; }
    .kf-goods-card .kf-card-body { padding: 8px 10px 10px; min-height: 100px; }

    /* fix-211：列表区空白进一步收窄，与上方分类条间距一致 */
    .mall-main .kf-section { padding: 6px 0 10px; }
    .kf-sort-bar { margin-bottom: 8px; padding: 8px 12px; }

    /* fix-213：前台手机端字体统一（正文14 / 卡片名14 / 辅助12） */
    body { font-size: 14px; }
    .kf-card-name { font-size: 14px; margin-bottom: 4px; }
    .kf-card-price { font-size: 15px; }
    .kf-btn { font-size: 14px; }
    h1 { font-size: 20px; } h2 { font-size: 18px; } h3 { font-size: 16px; }

    /* 单列大图（类京东搜索列表）：左图右文横条；fix-206：图片窗口固定死，不随原图比例撑高 */
    .kf-card-grid.kf-view-single { grid-template-columns: 1fr; gap: 10px; }
    .kf-view-single .kf-goods-card { padding: 0; overflow: hidden; }
    .kf-view-single .kf-goods-card > a { display: flex; align-items: stretch; }
    .kf-view-single .kf-card-img {
        width: 128px; min-width: 128px; flex: none;
        height: 128px; min-height: 128px; max-height: 128px;
        aspect-ratio: auto; border-radius: 0;
    }
    .kf-view-single .kf-card-img img { width: 100%; height: 100%; object-fit: cover; }
    .kf-view-single .kf-card-body {
        flex: 1; min-width: 0;
        padding: 12px 14px;
        display: flex; flex-direction: column; justify-content: space-between; gap: 6px;
    }
    .kf-view-single .kf-card-name {
        font-size: 15px; line-height: 1.35; margin-bottom: 0;
        display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
    }
    .kf-view-single .kf-card-sub { margin: 0; -webkit-line-clamp: 1; }
    .kf-view-single .kf-goods-price { margin: 0; }
    .kf-view-single .kf-goods-meta { margin-top: auto; }
}

/* ---- -42 关于简介卡片：标题+横杆+去内层方框（与友情链接等卡片结构统一） ---- */
.kf-comp-about { line-height: 1.9; }
.kf-comp-about-head {
    margin: -24px -24px 18px; /* 顶格贴卡片顶部（抵消 kf-component-body 的 24px 内边距） */
    padding: 16px 24px 12px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}
.kf-comp-about-head h3 {
    margin: 0;
    font-size: 18px;
    color: #333;
    font-weight: 600;
}
/* 去掉粘贴富文本自带的白色直角底框：圆角由外层卡片统一提供 */
.kf-comp-about-body > div {
    background: transparent !important;
}
/* 传统模板关于页：标题下横杆 */
.kf-about-page-title {
    padding-bottom: 12px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
}
@media (max-width: 768px) {
    .kf-comp-about-head {
        margin: -16px -16px 14px; /* 移动端 kf-component-body 内边距为 16px */
        padding: 14px 16px 10px;
    }
}

/* ---- -43 首页CTA下方联系信息：调用单页内容contact条目富文本 ---- */
.kf-cta-contact {
    margin-top: 14px;
    font-size: 14px;
    line-height: 1.9;
    color: rgba(255, 255, 255, 0.85);
}
.kf-cta-contact p { margin: 4px 0; }
.kf-cta-contact a { color: #fff; text-decoration: underline; }
.kf-cta-contact img { max-width: 100%; height: auto; }
.kf-cta-contact strong, .kf-cta-contact b { color: #fff; }

/* ---- -43 友情链接：调用单页内容link条目富文本（页脚列/links组件共用） ---- */
.kf-footer-links-rich {
    font-size: 12px;
    line-height: 1.9;
}
.kf-footer-links-rich p { margin: 2px 0; }
.kf-footer-links-rich a { color: inherit; text-decoration: none; }
.kf-footer-links-rich a:hover { text-decoration: underline; }
.kf-footer-links-rich img { max-width: 100%; height: auto; vertical-align: middle; }

/* ============================================================
   fix-197 前台多平台自适应通用层（手机 ≤640 / 平板 641–992 / 桌面 >992）
   已有 992/640/380 断点基础上做通用补强，不影响各页面已有精细规则
   ============================================================ */

/* ---- 全平台基础 ---- */
img, video, iframe { max-width: 100%; }
iframe { border: 0; }
body { overflow-x: clip; } /* clip 不破坏 sticky 定位；老浏览器忽略，由各容器规则兜底 */
table { max-width: 100%; }

/* ---- 平板 641–992px ---- */
@media (min-width: 641px) and (max-width: 992px) {
    .kf-banner { height: 300px; }
    .kf-section { padding: 32px 0; }
    .kf-footer-grid { gap: 20px; }
    .kf-product-gallery, .kf-detail-gallery { max-width: 420px; }
}

/* ---- 手机 ≤640px 通用补强 ---- */
@media (max-width: 640px) {
    /* 富文本内的表格/图片/视频不撑破版面 */
    .kf-article-content table, .kf-component-body table, .kf-rich table { display: block; overflow-x: auto; -webkit-overflow-scrolling: touch; }
    .kf-article-content img, .kf-component-body img { max-width: 100%; height: auto; }
    /* 按钮触控 */
    .kf-btn { min-height: 40px; }
    /* 表单控件全宽防缩放 */
    .kf-form input, .kf-form select, .kf-form textarea,
    .kf-auth input, .kf-auth select { font-size: 15px; min-height: 42px; box-sizing: border-box; }
    /* 用户中心/订单等布局堆叠兜底 */
    .kf-user-layout { gap: 14px; }
    /* 弹窗类通用 */
    .kf-modal, .kf-dialog { width: 94% !important; max-width: 94% !important; }
    /* 分页 */
    .kf-pagination { flex-wrap: wrap; justify-content: center; }
}

/* ---- 小屏手机 ≤380px ---- */
@media (max-width: 380px) {
    .kf-logo-text { font-size: 16px; }
    .kf-section-head h2 { font-size: 17px; }
}