/* ============================================================
   AI 集市首页 /market
   配色沿用站点：主蓝 #2563eb / 价格红 #e60012 / 边框 #e8eaed
   与 home.css 无依赖，可独立加载
   ============================================================ */

/* ---------- Hero ---------- */
.mk-hero{padding:34px 16px 26px;background:#fff;border-bottom:1px solid #e8eaed;border-radius:6px;text-align:center;}
.mk-hero-inner{max-width:760px;margin:0 auto;}
.mk-hero-title{font-size:28px;font-weight:700;color:#222;margin:0 0 8px;line-height:1.3;letter-spacing:-.5px;}
.mk-hero-sub{font-size:14px;color:#666;margin:0 0 20px;}
.mk-search{display:flex;max-width:520px;margin:0 auto 16px;}
.mk-search-input{flex:1;height:42px;padding:0 16px;border:2px solid #2563eb;border-right:0;border-radius:4px 0 0 4px;font-size:14px;outline:none;background:#fff;color:#333;}
.mk-search-input:focus{background:#f8faff;}
.mk-search-btn{height:42px;padding:0 28px;background:#2563eb;color:#fff;border:0;border-radius:0 4px 4px 0;font-size:14px;cursor:pointer;white-space:nowrap;}
.mk-search-btn:hover{background:#1d4ed8;}
.mk-stats{display:flex;justify-content:center;flex-wrap:wrap;gap:6px 28px;font-size:13px;color:#666;}
.mk-stat b{color:#2563eb;font-size:15px;font-weight:700;margin-right:3px;}

/* ---------- 板块通用 ---------- */
.mk-sec{margin-top:10px;background:#fff;padding:20px;border-radius:6px;border-bottom:1px solid #e8eaed;}
.mk-sec-hd{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px;}
.mk-sec-title{font-size:18px;font-weight:700;color:#222;margin:0;padding-left:10px;border-left:4px solid #2563eb;line-height:1.2;}
.mk-sec-more{font-size:13px;color:#666;white-space:nowrap;}
.mk-sec-more:hover{color:#2563eb;}

/* ---------- 分类卡片 ---------- */
.mk-cats{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px;}
.mk-cat{display:flex;flex-direction:column;gap:8px;padding:16px 14px;background:#fbfcfe;border:1px solid #e8eaed;border-radius:8px;text-decoration:none;transition:border-color .2s,background .2s,transform .2s;}
.mk-cat:hover{border-color:#2563eb;background:#f0f4ff;transform:translateY(-1px);}
.mk-cat-top{display:flex;align-items:baseline;justify-content:space-between;gap:8px;}
.mk-cat-name{font-size:14px;font-weight:600;color:#222;line-height:1.3;}
.mk-cat:hover .mk-cat-name{color:#2563eb;}
.mk-cat-num{font-size:11px;color:#999;white-space:nowrap;flex:none;}
.mk-cat-desc{font-size:12px;color:#777;line-height:1.6;overflow:hidden;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;}

/* ---------- 商品网格 ---------- */
.mk-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;}
.mk-card{display:block;background:#fff;border:1px solid #e8eaed;border-radius:8px;overflow:hidden;text-decoration:none;transition:border-color .2s,box-shadow .2s;}
.mk-card:hover{border-color:#2563eb;box-shadow:0 2px 8px rgba(37,99,235,.1);}
.mk-card-thumb{display:block;width:100%;padding-top:75%;position:relative;background:#f5f6f8;}
.mk-card-thumb img{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;}
.mk-card-thumb .mk-ph{position:absolute;top:0;left:0;width:100%;height:100%;background:#eef2f9;}
.mk-card-body{display:block;padding:10px;}
.mk-card-name{font-size:13px;color:#333;line-height:1.5;height:2.95em;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;}
.mk-card-meta{display:flex;align-items:baseline;gap:6px;margin-top:6px;flex-wrap:wrap;}
.mk-price{color:#e60012;font-size:16px;font-weight:700;font-style:normal;}
.mk-price small{font-size:12px;font-weight:400;}
.mk-price.pm-free{color:#10b981;font-size:15px;font-weight:600;}
.mk-price.pm-negotiable{color:#f59e0b;font-size:15px;font-weight:600;}
.mk-market{color:#999;font-size:12px;}
.mk-sales{color:#999;font-size:12px;font-style:normal;margin-left:auto;}

/* ---------- 空状态 ---------- */
.mk-empty{text-align:center;padding:34px 12px;background:#fbfcfe;border:1px dashed #d6dde8;border-radius:8px;}
.mk-empty-title{font-size:15px;font-weight:600;color:#222;margin:0 0 6px;}
.mk-empty-tip{font-size:13px;color:#888;margin:0 0 16px;line-height:1.7;}
.mk-empty-links{display:flex;justify-content:center;gap:10px;flex-wrap:wrap;}
.mk-empty-links a{font-size:13px;padding:6px 16px;border-radius:16px;border:1px solid #e8eaed;color:#333;background:#fff;}
.mk-empty-links a:hover{border-color:#2563eb;color:#2563eb;background:#f0f4ff;}

/* ---------- 选购指南 ---------- */
.mk-guides{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;}
.mk-guide{display:block;padding:14px 16px;background:#fbfcfe;border:1px solid #e8eaed;border-radius:8px;text-decoration:none;transition:border-color .2s,background .2s;}
.mk-guide:hover{border-color:#2563eb;background:#f0f4ff;}
.mk-guide-title{display:block;font-size:14px;font-weight:600;color:#222;line-height:1.5;margin-bottom:5px;overflow:hidden;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;}
.mk-guide:hover .mk-guide-title{color:#2563eb;}
.mk-guide-desc{display:block;font-size:12px;color:#777;line-height:1.65;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;}

/* ---------- 服务承诺 ---------- */
.mk-promise{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;}
.mk-promise-item{text-align:center;padding:6px 8px;}
.mk-promise-item b{display:block;font-size:14px;color:#222;font-weight:600;margin-bottom:4px;}
.mk-promise-item b::before{content:"";display:inline-block;width:6px;height:6px;border-radius:50%;background:#2563eb;margin-right:6px;vertical-align:2px;}
.mk-promise-item span{font-size:12px;color:#888;line-height:1.6;}

/* ---------- 响应式 ---------- */
@media (max-width:1100px){
  .mk-cats{grid-template-columns:repeat(3,minmax(0,1fr));}
}
@media (max-width:900px){
  .mk-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .mk-cats{grid-template-columns:repeat(2,minmax(0,1fr));}
  .mk-guides{grid-template-columns:1fr;}
  .mk-promise{grid-template-columns:1fr;}
  .mk-hero-title{font-size:22px;}
  .mk-hero{padding:26px 14px 20px;}
}
@media (max-width:520px){
  .mk-grid{grid-template-columns:1fr;}
  .mk-search-btn{padding:0 18px;}
}