/* =====================================================================
 * 飞矿网首页 - 矿业全产业链分类（替换原应用中心，方案 V1.1 §3）
 * 前缀 fkm-（feikuang minglu），不污染 fk-home-app-center.css
 * 关联: template/default-new/index.htm + api/json/minglu_home.inc.php
 * ===================================================================== */

/* ---- 主体布局（沿用 fkh 两栏栅格） ---- */
.fkm-layout { max-width: 1280px; width: 100%; margin: 0 auto; padding: 0 28px 56px; display: grid; grid-template-columns: 238px minmax(0, 1fr); gap: 20px; align-items: start; }
.fkm-layout > *, .fkm-main { min-width: 0; }

/* ---- 左栏：产业链分类卡 ---- */
.fkm-sidebar { position: sticky; top: 84px; display: flex; flex-direction: column; gap: 14px; }
.fkm-tree { background: var(--fkh-surface, #fff); border: 1px solid var(--fkh-border, #E5E9EE); border-radius: 12px; overflow: hidden; }
.fkm-tree-head { display: flex; justify-content: space-between; align-items: center; padding: 14px 16px; background: var(--fkh-navy, #0a2242); }
.fkm-tree-head h3 { color: #fff; font-size: 15px; font-weight: 700; margin: 0; }
.fkm-tree-head a { color: #aebed6; font-size: 12px; font-weight: 600; text-decoration: none; }
.fkm-tree-head a:hover { color: #fff; }

.fkm-cat { display: block; width: 100%; text-align: left; padding: 12px 16px; border: 0; border-bottom: 1px solid var(--fkh-border, #E5E9EE); background: transparent; cursor: pointer; transition: background .15s; font-family: inherit; }
.fkm-cat:last-child { border-bottom: 0; }
.fkm-cat:hover { background: #f8faff; }
.fkm-cat.active { background: rgba(2, 86, 255, .08); box-shadow: inset 3px 0 0 var(--fkh-primary, #0256FF); }
.fkm-cat-row { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.fkm-cat-row b { font-size: 14px; color: var(--fkh-text, #0F172A); font-weight: 700; }
.fkm-cat.active .fkm-cat-row b { color: var(--fkh-primary, #0256FF); }
.fkm-cat-row i { font-style: normal; font-size: 12px; color: var(--fkh-text-3, #8893A3); white-space: nowrap; }
.fkm-cat-hot { display: block; margin-top: 6px; }
.fkm-cat-hot a { display: inline-block; font-size: 12px; color: var(--fkh-text-2, #475569); margin: 0 10px 3px 0; text-decoration: none; }
.fkm-cat-hot a:hover { color: var(--fkh-primary, #0256FF); }

/* ---- 左栏：供应商登记卡 ---- */
.fkm-promo { background: linear-gradient(160deg, #0a2242, #103a72); border-radius: 12px; padding: 18px; color: #fff; }
.fkm-promo-eyebrow { font-size: 10px; letter-spacing: .2em; color: #7e93b3; font-weight: 700; }
.fkm-promo-name { font-size: 15.5px; font-weight: 700; margin: 6px 0 8px; }
.fkm-promo p { font-size: 12px; color: #aebed6; line-height: 1.7; margin: 0 0 13px; }
.fkm-promo-cta { display: inline-block; background: var(--fkh-primary, #0256FF); color: #fff; font-size: 13px; font-weight: 600; border-radius: 7px; padding: 9px 14px; text-decoration: none; }
.fkm-promo-cta:hover { background: #1f66ff; color: #fff; }

/* ---- 右栏：段标题 + 扁平词卡网格 ---- */
.fkm-head { display: flex; justify-content: space-between; align-items: baseline; margin: 2px 0 12px; }
.fkm-head h2 { font-size: 19px; color: var(--fkh-text, #0F172A); font-weight: 700; margin: 0; }
.fkm-head .fkm-note { font-size: 12px; color: var(--fkh-text-3, #8893A3); }
.fkm-head .fkm-note a { color: var(--fkh-primary, #0256FF); font-weight: 600; text-decoration: none; }

.fkm-grid { background: var(--fkh-surface, #fff); border: 1px solid var(--fkh-border, #E5E9EE); border-radius: 12px; padding: 16px 18px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.fkm-kw { display: flex; align-items: center; border: 1px solid var(--fkh-border, #E5E9EE); border-radius: 8px; padding: 10px 13px; min-width: 0; text-decoration: none; transition: border-color .15s, box-shadow .15s; }
.fkm-kw:hover { border-color: var(--fkh-primary, #0256FF); box-shadow: 0 2px 10px rgba(2, 86, 255, .08); }
.fkm-kw b { font-size: 13.5px; font-weight: 600; color: var(--fkh-text, #0F172A); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.fkm-loading, .fkm-empty { grid-column: 1 / -1; padding: 36px 16px; text-align: center; color: var(--fkh-text-3, #8893A3); font-size: 13px; }

/* ---- 右栏：招投标信息条 ---- */
.fkm-bids { margin-top: 22px; }
.fkm-bid-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 22px; background: var(--fkh-surface, #fff); border: 1px solid var(--fkh-border, #E5E9EE); border-radius: 12px; padding: 6px 18px; }
.fkm-bid { display: flex; align-items: center; gap: 12px; padding: 11px 0; border-bottom: 1px solid var(--fkh-border, #E5E9EE); text-decoration: none; min-width: 0; }
.fkm-bid:last-child { border-bottom: 0; }
.fkm-bid-date { flex: none; font-size: 11px; color: var(--fkh-text-3, #8893A3); font-variant-numeric: tabular-nums; }
.fkm-bid-title { flex: 1; min-width: 0; font-size: 12.5px; line-height: 1.5; color: var(--fkh-text-2, #475569); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.fkm-bid:hover .fkm-bid-title { color: var(--fkh-primary, #0256FF); }

/* ---- 无 JS 兜底（SEO）：默认隐藏，JS 失效时展示五段链接 ---- */
.fkm-fallback { display: none; background: var(--fkh-surface, #fff); border: 1px solid var(--fkh-border, #E5E9EE); border-radius: 12px; padding: 14px 18px; }
.fkm-fallback a { display: inline-block; margin: 0 18px 8px 0; font-size: 14px; font-weight: 600; color: var(--fkh-text, #0F172A); text-decoration: none; }
.fkm-fallback a:hover { color: var(--fkh-primary, #0256FF); }
html.no-js .fkm-fallback { display: block; }
html.no-js .fkm-dynamic { display: none; }

/* ---- 名录首页：数据条 + 认证企业 ---- */
.fkm-stats-wrap { max-width: 1280px; margin: 0 auto; padding: 22px 28px 18px; }
.fkm-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.fkm-stat { background: var(--fkh-surface, #fff); border: 1px solid var(--fkh-border, #E5E9EE); border-radius: 12px; padding: 16px 22px; }
.fkm-stat b { display: block; font-size: 24px; font-weight: 800; color: var(--fkh-primary, #0256FF); line-height: 1.2; }
.fkm-stat span { display: block; margin-top: 4px; font-size: 12.5px; color: var(--fkh-text-3, #8893A3); }
.fkm-cert { max-width: 1280px; margin: 0 auto; padding: 8px 28px 56px; }
.fkm-cert-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.fkm-cert-card { background: var(--fkh-surface, #fff); border: 1px solid var(--fkh-border, #E5E9EE); border-radius: 12px; padding: 16px 18px; text-decoration: none; display: flex; flex-direction: column; gap: 7px; min-width: 0; transition: border-color .15s, box-shadow .15s, transform .15s; }
.fkm-cert-card:hover { border-color: var(--fkh-primary, #0256FF); box-shadow: 0 8px 22px rgba(2, 86, 255, .08); transform: translateY(-2px); }
.fkm-cert-name { font-size: 14.5px; font-weight: 700; color: var(--fkh-text, #0F172A); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.fkm-cert-card:hover .fkm-cert-name { color: var(--fkh-primary, #0256FF); }
.fkm-cert-meta { font-size: 12px; color: var(--fkh-text-3, #8893A3); }
.fkm-cert-biz { font-size: 12.5px; line-height: 1.6; color: var(--fkh-text-2, #475569); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* ---- 响应式 ---- */
@media (max-width: 1100px) {
  .fkm-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 1000px) {
  .fkm-layout { grid-template-columns: 1fr; }
  .fkm-sidebar { position: static; order: 1; }
  .fkm-main { order: 2; }
  .fkm-cats { display: grid; grid-template-columns: repeat(2, 1fr); }
  .fkm-cat { border-right: 1px solid var(--fkh-border, #E5E9EE); }
  .fkm-grid { grid-template-columns: repeat(2, 1fr); }
  .fkm-bid-list { grid-template-columns: 1fr; }
  .fkm-cert-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 700px) {
  .fkm-layout { padding: 0 16px 40px; }
  .fkm-stats-wrap { padding: 16px 16px 0; }
  .fkm-stats { grid-template-columns: 1fr; gap: 10px; }
  .fkm-cert { padding: 8px 16px 40px; }
  .fkm-cert-grid { grid-template-columns: 1fr; }
  .fkm-cats { grid-template-columns: 1fr; }
  .fkm-cat { border-right: 0; }
  .fkm-grid { grid-template-columns: 1fr; }
}