/* ============================================================
   产业地图（regions）页面样式
   依赖 parts/home-head.html 中的 CSS 变量（--blue、--radius 等）
   所有自定义 class 以 rg- 前缀防冲突
   ============================================================ */

.regions-main{background:var(--bg)}

/* ========== Hero ========== */
.rg-hero{
  background:linear-gradient(160deg,var(--hero-bg) 0%,#16307e 70%,var(--blue) 100%);
  color:#fff;
  padding:72px 0 56px;
  text-align:center;
}
.rg-hero .sec-label{color:var(--blue-light)}
.rg-hero-title{font-size:2.6rem;font-weight:800;line-height:1.3;margin:10px 0 14px}
.rg-hero-sub{font-size:1.05rem;color:rgba(255,255,255,.85);max-width:720px;margin:0 auto}
.rg-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
  max-width:860px;margin:40px auto 0;
}
.rg-stat{
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--radius);
  padding:18px 10px;
}
.rg-stat-num{display:block;font-size:2rem;font-weight:800;color:#fff;font-variant-numeric:tabular-nums}
.rg-stat-label{display:block;font-size:.85rem;color:rgba(255,255,255,.75);margin-top:4px}

/* ========== Page content (editor) ========== */
.rg-page-content{padding:48px 24px 0;line-height:1.9;font-size:1rem}
.rg-page-content img{max-width:100%;height:auto;border-radius:10px}

/* ========== Map ========== */
.rg-map-section{padding:56px 0 24px}
.rg-map-wrap{
  background:var(--blue-bg);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:24px 24px 16px;
}
.rg-map-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
/* 总览图：复用首页中国地图（cn-map 配色样式来自 home-head.html 内嵌 CSS） */
.rg-map-overview .ov-map{
  display:block;width:100%;max-width:860px;margin:0 auto;
  min-width:640px;touch-action:manipulation;
}
.rg-map-overview .cn-focus.rg-map-active path{
  filter:brightness(1.2) drop-shadow(0 0 8px rgba(29,78,216,.85));
}
.rg-map-foot{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  flex-wrap:wrap;margin-top:14px;
}
.rg-disclaimer{font-size:.78rem;color:var(--gray-light);margin:0}

/* ========== 省级行政地图视图 ========== */
.rg-prov-head{
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
}
.rg-prov-back{
  display:inline-flex;align-items:center;gap:4px;
  background:var(--blue-bg);color:var(--blue);
  border:1px solid var(--blue-tint);border-radius:var(--radius-sm);
  font-size:.85rem;font-weight:600;
  padding:7px 14px;cursor:pointer;
  transition:background .15s;
}
.rg-prov-back:hover{background:var(--blue-tint)}
.rg-prov-title{font-size:1.25rem;font-weight:800;color:var(--dark);margin:0}
.rg-prov-hint{font-size:.82rem;color:var(--gray);margin:6px 0 10px}
.rg-prov-map svg{
  display:block;width:100%;height:auto;max-height:640px;margin:0 auto;
  touch-action:manipulation;
}
.rg-prov-loading{text-align:center;color:var(--gray);padding:48px 0;font-size:.9rem}
/* 地级市：浅蓝=未收录产业，深蓝=已收录，主蓝=当前选中 */
.rg-prov-map .rg-city-shape{
  fill:#d7e3f8;stroke:#fff;stroke-width:1.5;stroke-linejoin:round;
  cursor:pointer;transition:filter .15s ease;
}
.rg-prov-map .rg-city-shape:hover{filter:brightness(.94)}
.rg-prov-map .rg-city-shape.rg-city-has{fill:#6f9dea}
.rg-prov-map .rg-city-shape.rg-city-has:hover{filter:brightness(1.1)}
.rg-prov-map .rg-city-shape.rg-city-has.rg-city-active{
  fill:var(--blue);
  filter:drop-shadow(0 0 6px rgba(29,78,216,.75));
}
.rg-prov-map .rg-city-label{
  fill:#1e3a8a;font-size:15px;font-weight:700;
  paint-order:stroke;stroke:rgba(255,255,255,.85);stroke-width:3px;
  cursor:pointer;pointer-events:auto;user-select:none;
}
.rg-prov-map .rg-city-label.rg-lbl-md{font-size:13px}
.rg-prov-map .rg-city-label.rg-lbl-sm{font-size:11px}
.rg-prov-map .rg-city-label:hover{opacity:.75}
/* 地级市产业面板 */
.rg-city-panel{
  margin-top:14px;
  background:var(--bg-card);
  border:1px solid var(--border);border-left:4px solid var(--blue);
  border-radius:10px;
  padding:16px 20px;
  box-shadow:0 4px 16px rgba(0,0,0,.06);
}
.rg-city-panel-head{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.rg-city-panel-name{font-size:1.15rem;font-weight:800;color:var(--dark)}
.rg-city-panel-tag{
  background:var(--blue-bg);color:var(--blue);
  border:1px solid var(--blue-tint);
  font-size:.75rem;font-weight:700;
  padding:3px 10px;border-radius:999px;
}
.rg-city-panel-desc{margin:8px 0 0;font-size:.95rem;line-height:1.8;color:var(--gray)}
.rg-city-panel-desc.rg-city-panel-empty{color:var(--gray-light)}

/* ========== Cards ========== */
.rg-cards-section{padding:40px 0 56px}
.rg-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:20px;
  margin-top:8px;
}
.rg-card{
  background:var(--bg-card);
  border:1px solid var(--border);
  border-radius:10px;
  box-shadow:0 4px 16px rgba(0,0,0,.06);
  padding:22px 22px 18px;
  display:flex;flex-direction:column;
  scroll-margin-top:84px;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.rg-card:hover{
  transform:translateY(-4px);
  box-shadow:0 10px 28px rgba(13,33,88,.14);
  border-color:var(--blue-tint);
}
.rg-card.rg-card-active{
  border-color:var(--blue);
  box-shadow:0 0 0 3px var(--blue-tint),0 10px 28px rgba(13,33,88,.16);
}
.rg-card-head{display:flex;align-items:flex-start;justify-content:space-between;gap:10px}
.rg-card-title{font-size:1.25rem;font-weight:700;color:var(--dark);margin:0 0 10px}
.rg-badge{
  flex-shrink:0;
  background:var(--blue-bg);color:var(--blue);
  border:1px solid var(--blue-tint);
  font-size:.78rem;font-weight:700;
  padding:4px 10px;border-radius:999px;white-space:nowrap;
}
.rg-card-desc{font-size:.92rem;color:var(--gray);line-height:1.75;margin:0 0 14px}
.rg-chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px}
.rg-chip{
  background:var(--bg-alt);border:1px solid var(--border2);
  color:var(--dark);font-size:.8rem;
  padding:4px 12px;border-radius:999px;
}
.rg-acc-btn{
  margin-top:auto;
  display:inline-flex;align-items:center;gap:6px;
  color:var(--blue);font-size:.9rem;font-weight:600;
  padding:8px 0 0;text-align:left;
}
.rg-acc-btn .rg-acc-arrow{transition:transform .2s ease;font-size:.8rem}
.rg-acc-btn[aria-expanded="true"] .rg-acc-arrow{transform:rotate(180deg)}
.rg-acc-btn:hover{opacity:.8}
.rg-acc-panel{
  overflow:hidden;max-height:0;
  transition:max-height .28s ease;
}
.rg-city-list{
  margin-top:12px;border-top:1px dashed var(--border);
  padding-top:6px;
}
.rg-city-list li{
  display:flex;align-items:baseline;gap:10px;
  padding:8px 0;border-bottom:1px dashed var(--border);
  font-size:.88rem;line-height:1.6;
}
.rg-city-list li:last-child{border-bottom:none}
.rg-city-list strong{
  color:var(--blue);flex-shrink:0;font-weight:700;
}
.rg-city-list span{color:var(--gray)}
.rg-city-list li.rg-city-county{padding-left:22px;position:relative}
.rg-city-list li.rg-city-county::before{
  content:'↳';position:absolute;left:4px;top:8px;color:var(--blue);font-size:.85rem;
}
.rg-city-list li.rg-city-county strong{color:var(--gray);font-weight:600}
.rg-empty{color:var(--gray);text-align:center;padding:40px 0}

/* ========== CTA ========== */
.rg-cta{background:var(--footer-bg);padding:64px 0;text-align:center}
.rg-cta h2{color:#fff;font-size:1.7rem;font-weight:800;margin:0 0 10px}
.rg-cta p{color:rgba(255,255,255,.75);margin:0 0 26px}
.rg-cta-btn{
  display:inline-block;
  background:var(--blue);color:#fff;
  font-size:1rem;font-weight:700;
  padding:13px 34px;border-radius:var(--radius-sm);
  transition:background .15s,transform .15s;
}
.rg-cta-btn:hover{background:#2f6be3;transform:translateY(-2px);opacity:1}

/* ========== City / County Industries Accordion（1:1 仿 northsources city-acc） ========== */
.rg-cityacc-section{padding:24px 0 56px}
.city-acc{border:1px solid var(--border2);border-radius:var(--radius);overflow:hidden;margin-bottom:14px;background:#fff}
.city-head{display:flex;align-items:center;gap:12px;padding:16px 20px;cursor:pointer;background:var(--bg-card)}
.city-head:hover{background:var(--blue-bg)}
.city-head h3{font-size:16px;font-weight:700;flex:1}
.city-head .cnt{font-size:12.5px;color:var(--gray)}
.city-head .arr{color:var(--gray-light);transition:.2s}
.city-acc.open .city-head .arr{transform:rotate(90deg)}
.city-body{display:none;padding:8px 20px 18px;border-top:1px solid var(--border2)}
.city-acc.open .city-body{display:block}
.county-row{display:flex;gap:12px;padding:11px 0;border-bottom:1px dashed var(--border2);align-items:baseline}
.county-row:last-child{border-bottom:none}
.county-name{min-width:150px;font-weight:700;font-size:14px}
.county-name small{display:block;font-weight:400;color:var(--gray-light);font-size:11px}
.ind-chips{display:flex;flex-wrap:wrap;gap:6px}
.ind-chips span{background:rgba(14,116,144,.09);color:#0e7490;border-radius:999px;padding:2px 10px;font-size:12px}

/* ========== Responsive ========== */
@media(max-width:1024px){
  .rg-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .rg-hero{padding:52px 0 40px}
  .rg-hero-title{font-size:1.8rem}
  .rg-stats{grid-template-columns:repeat(2,1fr);gap:12px}
  .rg-stat-num{font-size:1.5rem}
  .rg-grid{grid-template-columns:1fr}
  .rg-map-wrap{padding:16px 12px 12px}
  .rg-map-foot{flex-direction:column;align-items:flex-start}
  .county-row{flex-direction:column;gap:5px}
  .county-name{min-width:0}
  .city-head{padding:14px 16px;gap:8px}
  .city-body{padding:6px 16px 14px}
}