/* 主办商会议会展主页（organizer.htm 页面私有样式，og-* 前缀）
 * 依赖 hall.css 公共壳（.container 1200 / body #f2f3f5）。
 * 设计口径与 theme-promo / ai-service 一致：藏青 Hero 左文右图、卡片化内容、页尾展厅收口。
 * 固定尺寸防跳动：卡片媒体区统一 16:9；数据变化不改变骨架。
 */
:root {
  --og-navy: #0a2242;
  --og-navy-2: #123a5c;
  --og-hero-bg: #0f2740;
  --og-gold: #f59e0b;
  --og-gold-2: #d97706;
  --og-soft: #5b6b7c;
  --og-line: #e4e8ee;
}

/* ---- ① Hero：藏青底，左文右图（无面包屑、无 banner 依赖） ---- */
.og-hero { background: var(--og-hero-bg); color: #eef2f7; overflow: hidden; }
.og-hero-inner {
  width: min(1200px, calc(100% - 48px));
  margin: 0 auto; padding: 56px 0 48px;
  display: flex; align-items: center; gap: 48px;
}
.og-hero-copy { flex: 1 1 55%; min-width: 0; }
.og-kicker { font-size: 13px; letter-spacing: 4px; color: #c9a961; margin-bottom: 14px; }
.og-name-row { display: flex; align-items: center; gap: 16px; min-width: 0; }
.og-logo {
  flex: none; width: 56px; height: 56px; border-radius: 10px; overflow: hidden;
  background: rgba(255, 255, 255, .08); border: 1px solid rgba(255, 255, 255, .22);
  display: flex; align-items: center; justify-content: center;
  font-size: 26px; font-weight: 700; color: #fcd34d;
}
.og-logo img { width: 100%; height: 100%; object-fit: cover; }
.og-name { font-size: clamp(24px, 3.2vw, 34px); line-height: 1.3; margin: 0; font-weight: 700; }
.og-lead { font-size: 15px; color: #b9c6d4; margin: 18px 0 0; max-width: 640px; line-height: 1.9; }
.og-stats { display: flex; flex-wrap: wrap; gap: 36px; margin-top: 28px; }
.og-stat b { display: block; font-size: 30px; font-weight: 700; color: #ffd15d; line-height: 1.2; }
.og-stat span { font-size: 13px; color: #93a5b8; }
.og-hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.og-hero-art { flex: 0 0 40%; margin: 0; min-width: 0; }
.og-hero-art img {
  width: 100%; aspect-ratio: 4 / 3; object-fit: cover; display: block;
  border-radius: 8px; border: 1px solid rgba(255, 255, 255, .14); background: #16334f;
}
.og-hero-art.is-fallback img { visibility: hidden; }
.og-hero-art figcaption { font-size: 12.5px; color: #93a5b8; margin-top: 10px; text-align: center; }

/* ---- 按钮 ---- */
.og-btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 10px 24px; border-radius: 6px; font-size: 14px; font-weight: 600;
  text-decoration: none; transition: opacity .15s ease;
}
.og-btn:hover { opacity: .88; }
.og-btn-gold { background: linear-gradient(135deg, var(--og-gold), var(--og-gold-2)); color: #fff; box-shadow: 0 4px 14px rgba(245, 158, 11, .3); }
.og-btn-ghostdark { background: transparent; color: #eef2f7; border: 1px solid rgba(255, 255, 255, .38); }

/* ---- 通用区块 ---- */
.og-wrap { padding-bottom: 10px; }
.og-sec { padding: 46px 0 6px; scroll-margin-top: 80px; }
.og-sec-head { margin-bottom: 18px; }
.og-sec-head h2 { font-size: 23px; margin: 0; font-weight: 700; color: var(--og-navy); }
.og-sec-head p { margin: 6px 0 0; color: var(--og-soft); font-size: 13.5px; }

/* ---- 空态 ---- */
.og-empty {
  background: #fff; border: 1px dashed var(--og-line); border-radius: 8px;
  padding: 34px 24px; text-align: center;
}
.og-empty b { display: block; font-size: 15.5px; margin-bottom: 4px; }
.og-empty span { font-size: 13.5px; color: var(--og-soft); }

/* ---- ② 会议主题：横向封面卡 ---- */
.og-theme-list { display: flex; flex-direction: column; gap: 16px; }
.og-theme-card {
  display: flex; align-items: stretch; gap: 20px;
  background: #fff; border-radius: 8px; overflow: hidden;
  box-shadow: 0 4px 16px rgba(6, 22, 43, .06); transition: all .22s;
  border-left: 4px solid var(--og-gold-2); padding-right: 20px;
}
.og-theme-card:hover { transform: translateY(-3px); box-shadow: 0 12px 26px rgba(6, 22, 43, .11); }
.og-theme-media { flex: 0 0 236px; aspect-ratio: 16 / 9; align-self: center; position: relative; background: linear-gradient(135deg, var(--og-navy), var(--og-navy-2)); border-radius: 6px; overflow: hidden; }
.og-theme-media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.og-theme-ph {
  position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  font-size: 40px; font-weight: 700; color: rgba(252, 211, 77, .8);
}
.og-theme-body { flex: 1 1 auto; min-width: 0; padding: 18px 0; }
.og-theme-body h3 { font-size: 18px; font-weight: 700; color: var(--og-navy); margin: 0; line-height: 1.45; }
.og-theme-body p { font-size: 13.5px; color: var(--og-soft); line-height: 1.75; margin: 8px 0 0; }
.og-chips { display: flex; gap: 8px; margin-top: 12px; flex-wrap: wrap; }
.og-chips span { font-size: 11.5px; color: #4b5563; background: #f2f3f5; border-radius: 4px; padding: 2px 9px; white-space: nowrap; }
.og-chips .og-chip-gold { color: #b25e00; background: #fff1de; border: 1px solid #ffd6a6; }
.og-go {
  align-self: center; flex: none; border: 1px solid var(--og-navy); color: var(--og-navy);
  background: #fff; border-radius: 999px; padding: 9px 20px; font-size: 13px; font-weight: 600; white-space: nowrap;
}
.og-theme-card:hover .og-go { background: var(--og-navy); color: #fff; }

/* ---- ③ 全部活动：封面卡片（无图用日期版面） ---- */
.og-act-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.og-act-card {
  background: #fff; border-radius: 8px; overflow: hidden; display: flex; flex-direction: column;
  box-shadow: 0 4px 16px rgba(6, 22, 43, .06); transition: all .22s;
}
.og-act-card:hover { transform: translateY(-3px); box-shadow: 0 12px 26px rgba(6, 22, 43, .11); }
.og-act-media { position: relative; aspect-ratio: 16 / 9; background: linear-gradient(135deg, var(--og-navy) 0%, var(--og-navy-2) 100%); }
.og-act-media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.og-act-date {
  position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px;
  font-size: 34px; font-weight: 700; color: #ffd15d; letter-spacing: 1px;
}
.og-act-date small { font-size: 13px; font-weight: 400; color: rgba(238, 242, 247, .78); letter-spacing: 0; }
.og-state {
  position: absolute; left: 12px; top: 12px; font-size: 12.5px; padding: 3px 10px;
  border-radius: 4px; color: #fff; background: #4a6f95;
}
.og-state.is-upcoming { background: #b8860b; }
.og-state.is-active { background: #0e8a4d; }
.og-state.is-ended { background: #8b95a1; }
.og-act-body { padding: 14px 16px 16px; display: flex; flex-direction: column; flex: 1; }
.og-act-body h3 { font-size: 15.5px; font-weight: 600; color: #1f2a37; margin: 0; line-height: 1.55; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.og-act-body p { margin: 8px 0 0; font-size: 13px; color: var(--og-soft); }
.og-act-more { margin-top: auto; padding-top: 12px; font-size: 13px; font-weight: 600; color: var(--og-gold-2); }

/* ---- ④ 联合运营矿业 AI 展厅：藏青面板左文右图（页尾收口） ---- */
.og-hall-panel {
  margin-top: 4px; background: var(--og-hero-bg); color: #eef2f7; border-radius: 10px;
  padding: 44px 44px 40px; display: flex; gap: 44px; align-items: center;
}
.og-hall-copy { flex: 1 1 52%; min-width: 0; }
.og-hall-copy h2 { font-size: 26px; margin: 0; font-weight: 700; color: #fff; }
.og-slogan { font-size: 15.5px; color: #fcd34d; margin: 12px 0 0; font-weight: 600; }
.og-hall-lead { font-size: 14px; color: #b9c6d4; line-height: 1.9; margin: 12px 0 0; }
.og-points { list-style: none; margin: 20px 0 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 14px 24px; }
.og-points li { padding-left: 18px; position: relative; }
.og-points li::before { content: ''; position: absolute; left: 0; top: 7px; width: 8px; height: 8px; border-radius: 2px; background: #c9a961; }
.og-points b { display: block; font-size: 14px; color: #fff; margin-bottom: 2px; }
.og-points span { font-size: 12.5px; color: #93a5b8; line-height: 1.6; }
.og-hall-cta { display: flex; align-items: center; flex-wrap: wrap; gap: 18px; margin-top: 26px; }
.og-hall-meta { display: flex; gap: 14px; flex-wrap: wrap; }
.og-hall-meta span { font-size: 12.5px; color: #cfd9e4; border: 1px solid rgba(255, 255, 255, .22); border-radius: 4px; padding: 4px 12px; background: rgba(255, 255, 255, .06); white-space: nowrap; }
.og-hall-art { flex: 0 0 42%; margin: 0; min-width: 0; }
/* 展厅图解：对齐企业AI展位真实 UI（展位号楣牌 + 接待状态 + 关键词交谈），纯 CSS 无外部图片依赖 */
.og-dg { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; align-content: center; }
.og-dg-booth {
  background: #16334f; border: 1px solid #2c4a6b; border-radius: 6px;
  padding: 16px 10px 12px; text-align: center; position: relative;
}
.og-dg-booth.main { border-color: #c9a961; box-shadow: 0 6px 18px rgba(201, 169, 97, .16); }
.og-dg-no { position: absolute; right: 7px; top: 7px; font-size: 10.5px; color: #c9a961; }
.og-dg-booth b { display: block; font-size: 12.5px; font-weight: 600; color: #eef2f7; margin-bottom: 10px; white-space: nowrap; }
.og-dg-dot { width: 7px; height: 7px; border-radius: 50%; background: #5b6b7c; display: inline-block; margin-right: 5px; vertical-align: 1px; }
.og-dg-dot.on { background: #35c07a; }
.og-dg-booth small { font-size: 11px; color: #93a5b8; white-space: nowrap; }
.og-dg-search {
  grid-column: 1 / -1; background: #0b1e33; border: 1px solid #2c4a6b; border-radius: 6px;
  padding: 10px 14px; font-size: 12.5px; color: #93a5b8;
}
.og-dg-search em { font-style: normal; color: #c9a961; }
.og-hall-art figcaption { font-size: 12px; color: #93a5b8; margin-top: 8px; text-align: center; }
.og-note { font-size: 12.5px; color: var(--og-soft); line-height: 1.85; margin: 14px 2px 0; }

/* ---- H5 重新排版（非等比缩小桌面版） ---- */
@media (max-width: 960px) {
  .og-hero-inner { flex-direction: column; align-items: stretch; gap: 28px; padding: 42px 0 38px; }
  .og-hero-art { flex: none; }
  .og-act-grid { grid-template-columns: repeat(2, 1fr); }
  .og-hall-panel { flex-direction: column; align-items: stretch; gap: 26px; padding: 32px 24px; }
  .og-hall-art { flex: none; }
  .og-go { display: none; }
  .og-theme-card { padding-right: 16px; }
}
@media (max-width: 640px) {
  .og-hero-inner { width: calc(100% - 32px); padding: 34px 0 30px; gap: 24px; }
  .og-name-row { gap: 12px; }
  .og-logo { width: 46px; height: 46px; font-size: 22px; }
  .og-stats { gap: 22px; margin-top: 22px; }
  .og-stat b { font-size: 24px; }
  .og-hero-cta .og-btn { flex: 1; padding: 10px 12px; }
  .og-sec { padding: 34px 0 4px; }
  .og-sec-head h2 { font-size: 20px; }
  .og-theme-card { flex-direction: column; gap: 0; padding-right: 0; }
  .og-theme-media { flex: none; width: 100%; align-self: auto; border-radius: 0; }
  .og-theme-body { padding: 14px 16px 16px; }
  .og-act-grid { grid-template-columns: 1fr; }
  .og-points { grid-template-columns: 1fr; }
  .og-hall-cta .og-btn { flex: 1; }
}