.section-head{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;margin:18px 0 14px}.section-head h2{margin:0}
.kpi-row{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px;margin-bottom:18px}
.kpi{background:white;border:1px solid var(--line);border-radius:18px;padding:15px;box-shadow:0 8px 18px rgba(15,23,42,.06)}.kpi span{display:block;color:var(--muted);font-weight:900}.kpi strong{font-size:24px}
.notice-card{border-left:8px solid var(--orange)}.action-list{display:grid;gap:10px}
.action-item{display:flex;gap:10px;align-items:flex-start;background:#f8fbff;border:1px solid var(--line);border-radius:16px;padding:13px}.action-item input{width:22px;height:22px;margin-top:4px}
.calendar-grid{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:8px}.day-cell{min-height:120px;background:white;border:1px solid var(--line);border-radius:16px;padding:10px}.day-cell strong{display:block;font-size:18px}
.chip{display:block;margin-top:6px;padding:6px 8px;border-radius:12px;background:#dbeafe;color:#1e3a8a;font-weight:900;font-size:13px}
.detail-link{font-weight:900;color:var(--blue);cursor:pointer}.export-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}
@media(max-width:900px){.kpi-row{grid-template-columns:1fr 1fr}.calendar-grid{grid-template-columns:1fr 1fr}}

/* v7.1 Weather Intelligence */
.weather-chart-card{margin-top:18px}
.weather-bars{
  display:flex;
  align-items:flex-end;
  gap:10px;
  min-height:170px;
  padding:18px 8px 8px;
  border-radius:18px;
  background:linear-gradient(180deg,#f8fbff,#eef6ff);
  overflow-x:auto;
}
.weather-bar-wrap{
  min-width:54px;
  display:grid;
  justify-items:center;
  gap:8px;
  font-weight:900;
  color:#334155;
}
.weather-bar{
  width:30px;
  border-radius:12px 12px 4px 4px;
  background:linear-gradient(180deg,#ef4444,#f97316,#2563eb);
  box-shadow:0 8px 16px rgba(239,68,68,.18);
}
.chart-note{margin:12px 0 0;color:var(--muted);font-weight:800}

/* v7.2 Site Management */
.form-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:14px;
}
.role-action-card{margin-top:16px}
.action-item small{color:var(--muted);font-weight:700}
@media(max-width:900px){
  .form-grid{grid-template-columns:1fr}
}

/* v7.3 Knowledge DB */
.trade-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin:16px 0}
.trade-card{cursor:pointer;transition:.15s transform,.15s box-shadow}
.trade-card:hover{transform:translateY(-2px);box-shadow:0 18px 34px rgba(15,23,42,.14)}
.trade-title{font-size:24px!important}
.point-line{display:block;margin-top:10px;color:#1d4ed8}
.trade-detail{margin-top:16px}
.tbm-box{white-space:pre-wrap;background:#0f172a;color:#fff;border-radius:18px;padding:18px;font-size:17px;line-height:1.7}
.summary-card ul{padding-left:22px;margin-bottom:0}
@media(max-width:900px){.trade-grid{grid-template-columns:1fr}}

/* v7.4 Accident Briefing */
.poster-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:14px;
  margin:16px 0;
}
.accident-poster{
  min-height:260px;
  border-radius:24px;
  padding:20px;
  color:#fff;
  box-shadow:var(--shadow);
  cursor:pointer;
  position:relative;
  overflow:hidden;
  display:flex;
  flex-direction:column;
  justify-content:space-between;
}
.poster-red{background:linear-gradient(145deg,#7f1d1d,#dc2626)}
.poster-orange{background:linear-gradient(145deg,#7c2d12,#ea580c)}
.poster-top{display:flex;justify-content:space-between;align-items:center;font-weight:1000}
.poster-top span{background:rgba(255,255,255,.18);padding:7px 10px;border-radius:999px}
.accident-poster h3{font-size:24px;line-height:1.25;margin:12px 0}
.poster-symbol{
  position:absolute;
  right:18px;
  bottom:10px;
  font-size:86px;
  font-weight:1000;
  opacity:.18;
}
.accident-poster small{font-weight:800;line-height:1.5}
.accident-detail-card{margin-top:16px}
.news-card{margin-top:16px}
@media(max-width:1100px){.poster-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:700px){.poster-grid{grid-template-columns:1fr}.accident-poster{min-height:220px}}

/* v7.5 AI Field Assistant */
.ai-main-card{border-left:8px solid var(--purple)}
.role-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:14px;
}
.role-box{
  background:#f8fbff;
  border:1px solid var(--line);
  border-radius:18px;
  padding:16px;
}
.role-box h4{font-size:20px;margin:0 0 10px;color:#0f172a}
@media(max-width:1000px){.role-grid{grid-template-columns:1fr}}