/* ===== PhysStar.AI 数据集市 (market.html) 改版样式 ===== */
/* 风格参考 Lumos 数据商城：顶部深蓝渐变概览 + 行业场景一级筛选 + 数据形态二级筛选 + 高信息密度卡片 */

/* --- Hero 概览区 --- */
.market-hero {
  position: relative;
  padding: 132px 0 56px;
  background: linear-gradient(135deg, #0B1C3D 0%, #123C6E 55%, #1B5FA8 100%);
  color: #fff;
  overflow: hidden;
}
.market-hero::before {
  content: "";
  position: absolute;
  right: -120px; top: -140px;
  width: 440px; height: 440px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(66,133,244,.45), transparent 70%);
  pointer-events: none;
}
.market-hero::after {
  content: "";
  position: absolute;
  left: -90px; bottom: -160px;
  width: 360px; height: 360px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,107,43,.30), transparent 70%);
  pointer-events: none;
}
.market-hero .container { position: relative; z-index: 3; text-align: center; }
/* Hero 背景视频 */
.market-hero .hero-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
  pointer-events: none;
  background: #0B1C3D; /* 视频未加载/加载失败时的兜底底色 */
}
/* 内容可读性遮罩（半透明深蓝） */
.market-hero .hero-overlay {
  position: absolute;
  inset: 0;
  z-index: 2;
  background: rgba(11, 28, 61, .55);
  pointer-events: none;
}
/* 装饰光斑叠于视频之上、内容与遮罩之下 */
.market-hero::before,
.market-hero::after {
  z-index: 1;
}
.market-badge {
  display: inline-block;
  white-space: nowrap;
  max-width: 100%;
  padding: 5px 16px;
  border-radius: 999px;
  background: rgba(66,133,244,.28);
  border: 1px solid rgba(255,255,255,.35);
  font-size: clamp(12px, 1.3vw, 14px);
  letter-spacing: 1px;
  color: #fff;
  margin-bottom: 16px;
}
.market-hero h1 { font-size: 40px; font-weight: 800; margin-bottom: 10px; }
.market-desc {
  font-size: 15px;
  color: rgba(255,255,255,.86);
  max-width: 680px;
  margin: 0 auto 34px;
  line-height: 1.7;
}
.market-stats { display: flex; justify-content: center; gap: 12px; flex-wrap: wrap; }
.market-stat {
  min-width: 158px;
  padding: 16px 20px;
  border-radius: 10px;
  background: rgba(255,255,255,.10);
  border: 1px solid rgba(255,255,255,.18);
  backdrop-filter: blur(4px);
}
.market-stat b { display: block; font-size: 24px; font-weight: 800; letter-spacing: .5px; }
.market-stat span { font-size: 13px; color: rgba(255,255,255,.86); }

/* --- 筛选区 --- */
.market-section { padding: 44px 0 30px; background: var(--bg-light); }
.market-filter-block { margin-bottom: 28px; }
.market-filter-head h3 { font-size: 16px; font-weight: 700; color: var(--text); margin-bottom: 14px; }
.market-filters { display: flex; flex-wrap: wrap; gap: 10px; }
.market-filter-btn {
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: #fff;
  font-size: 13px;
  color: var(--text-secondary);
  cursor: pointer;
  font-family: inherit;
  transition: all .18s;
}
.market-filter-btn:hover { border-color: var(--blue); color: var(--blue); }
.market-filter-btn.active {
  background: var(--blue);
  border-color: var(--blue);
  color: #fff;
  font-weight: 600;
}

/* --- 数据卡片（高信息密度） --- */
.market-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px;
  margin-top: 6px;
}
.market-card {
  position: relative;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 18px;
  transition: box-shadow .2s, transform .2s;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.market-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.market-card-tags { display: flex; gap: 8px; flex-wrap: wrap; }
.market-tag {
  font-size: 12px;
  padding: 3px 10px;
  border-radius: 999px;
  font-weight: 600;
  line-height: 1.6;
}
.market-tag.type-ontology { background: #E8F0FE; color: #1967D2; }
.market-tag.type-ego      { background: #FCE8E6; color: #C5221F; }
.market-tag.type-umi      { background: #E6F4EA; color: #188038; }
.market-tag.task          { background: #FEF7E0; color: #B06000; }
.market-card h4 { font-size: 16px; font-weight: 700; color: var(--text); line-height: 1.4; }
.market-sku { font-size: 12px; color: var(--text-muted); }
.market-sku b { color: var(--text-secondary); font-weight: 600; }
.market-meta2 { display: flex; gap: 16px; font-size: 13px; color: var(--text-secondary); flex-wrap: wrap; }
.market-meta2 b { color: var(--text); font-weight: 600; }
.market-card-actions { margin-top: auto; padding-top: 4px; }
.btn-market {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 38px;
  padding: 0 18px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  font-family: inherit;
  transition: all .2s;
  width: 100%;
}
.btn-market.primary { background: var(--blue); color: #fff; }
.btn-market.primary:hover { background: var(--blue-dark); }

/* 角标（热销 / 推荐 / New） */
.market-badge-corner {
  position: absolute;
  top: 14px; right: 14px;
  padding: 3px 11px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  color: #fff;
  box-shadow: 0 2px 6px rgba(0,0,0,.18);
}
.market-badge-corner.mb-hot { background: var(--orange); }
.market-badge-corner.mb-rec { background: var(--blue); }
.market-badge-corner.mb-new { background: var(--green); }

.market-empty {
  text-align: center;
  color: var(--text-muted);
  padding: 56px 0;
}
.market-note {
  text-align: center;
  color: var(--text-muted);
  font-size: 13px;
  margin-top: 26px;
}
.hidden { display: none !important; }

/* CTA 区 */
.market-cta {
  background: linear-gradient(135deg, #0B1C3D, #123C6E);
  color: #fff;
  text-align: center;
  padding: 56px 0;
}
.market-cta h2 { font-size: 26px; margin-bottom: 10px; }
.market-cta p { color: rgba(255,255,255,.85); margin-bottom: 24px; }
.market-cta .btn-cta {
  display: inline-block;
  padding: 12px 30px;
  border-radius: 6px;
  background: var(--orange);
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  transition: all .2s;
}
.market-cta .btn-cta:hover { background: var(--orange-dark); transform: translateY(-1px); }

/* --- 响应式 --- */
@media (max-width: 768px) {
  .market-hero { padding: 148px 0 40px; }
  .market-badge { font-size: 10.5px; padding: 4px 12px; letter-spacing: .5px; }
  .market-hero h1 { font-size: 27px; }
  .market-desc { font-size: 13px; }
  .market-stat { min-width: 128px; padding: 12px; }
  .market-stat b { font-size: 19px; }
  .market-filter-btn { padding: 7px 12px; font-size: 12px; }
  .market-grid { grid-template-columns: 1fr; }
  .market-cta h2 { font-size: 21px; }
}