/* =====================================================================
   化工行业页 · huagong.css
   布局：深蓝科技感分栏 + 2×2 角标宫格 + 盾牌清单 + 渐变外贸条 + 双卡案例 + FAQ
   点缀色：靛蓝 #4F46E5 / 青 #0EA5E9（化工科技感）
   ===================================================================== */

.banner-hg{background-image:url('../images/banner-tech.jpg')}

/* ---------- 深色分栏 ---------- */
.hg-hero{background:var(--c-dark);background-image:radial-gradient(circle at 88% 12%,rgba(79,70,229,.35),transparent 45%)}
.hg-hero-wrap{display:grid;grid-template-columns:1fr 1.15fr;gap:56px;align-items:center}
.hg-hero-media img{border-radius:var(--radius-lg);aspect-ratio:3/2;object-fit:cover;box-shadow:0 24px 60px rgba(0,0,0,.4)}
.hg-hero-text .sec-eyebrow{background:rgba(79,70,229,.22);color:#A5B4FC}
.hg-hero-text h2{color:#fff;font-size:clamp(24px,2.8vw,34px);margin:0 0 18px;line-height:1.35}
.hg-hero-text p{color:#9FB2D4;margin-bottom:16px}
.hg-hero-tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}
.hg-hero-tags span{
  font-size:13px;color:#C7D3EA;background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);
  padding:6px 14px;border-radius:8px;
}

/* ---------- 2×2 角标宫格 ---------- */
.hg-col-sec{background:var(--c-ice-2)}
.hg-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;max-width:980px;margin:0 auto}
.hg-tile{
  position:relative;background:#fff;border-radius:var(--radius-lg);padding:36px 34px 32px;
  box-shadow:var(--shadow);transition:transform var(--trans),box-shadow var(--trans);
}
.hg-tile:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.hg-tile::before,.hg-tile::after{
  content:"";position:absolute;width:26px;height:26px;border-color:#4F46E5;opacity:.5;transition:all var(--trans);
}
.hg-tile::before{left:14px;top:14px;border-left:3px solid;border-top:3px solid;border-radius:6px 0 0 0}
.hg-tile::after{right:14px;bottom:14px;border-right:3px solid;border-bottom:3px solid;border-radius:0 0 6px 0}
.hg-tile:hover::before,.hg-tile:hover::after{opacity:1;width:38px;height:38px}
.hg-tile i{
  width:56px;height:56px;border-radius:16px;background:linear-gradient(135deg,#4F46E5,#0EA5E9);
  display:flex;align-items:center;justify-content:center;margin-bottom:18px;box-shadow:0 10px 24px rgba(79,70,229,.3);
}
.hg-tile i svg{width:28px;height:28px;fill:#fff}
.hg-tile h3{font-size:19px;margin-bottom:8px}
.hg-tile p{color:var(--c-text-2);font-size:14.5px;margin:0}

/* ---------- 合规清单 ---------- */
.hg-safe-sec{background:#fff}
.hg-safe-wrap{display:grid;grid-template-columns:1fr 1.2fr;gap:56px;align-items:start}
.hg-safe-head h2{font-size:clamp(24px,2.8vw,32px);margin:0 0 14px;line-height:1.35}
.hg-safe-head p{color:var(--c-text-2)}
.hg-safe-list{display:grid;gap:16px}
.hg-safe-list li{
  display:flex;gap:16px;background:var(--c-ice-2);border-radius:14px;padding:20px 24px;
  border-left:4px solid #4F46E5;transition:transform var(--trans),box-shadow var(--trans);
}
.hg-safe-list li:hover{transform:translateX(8px);box-shadow:var(--shadow)}
.hg-safe-list svg{width:26px;height:26px;fill:#4F46E5;flex-shrink:0;margin-top:2px}
.hg-safe-list h3{font-size:16.5px;margin-bottom:4px}
.hg-safe-list p{color:var(--c-text-2);font-size:14px;margin:0}

/* ---------- 外贸渐变条 ---------- */
.hg-export-sec{padding:40px 0}
.hg-export{
  display:flex;align-items:center;gap:26px;flex-wrap:wrap;
  background:linear-gradient(120deg,#1B3A6B,#4F46E5 60%,#0EA5E9);
  border-radius:var(--radius-lg);padding:40px 46px;color:#fff;position:relative;overflow:hidden;
}
.hg-export::after{content:"";position:absolute;right:-80px;top:-80px;width:260px;height:260px;border-radius:50%;background:rgba(255,255,255,.08)}
.hg-export-ico{
  width:64px;height:64px;border-radius:18px;background:rgba(255,255,255,.15);flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
}
.hg-export-ico svg{width:32px;height:32px;fill:#fff}
.hg-export div{flex:1;min-width:260px}
.hg-export h2{color:#fff;font-size:clamp(20px,2.4vw,27px);margin-bottom:8px}
.hg-export p{color:#D6E2F6;margin:0;font-size:14.5px}

/* ---------- 案例卡 ---------- */
.hg-case-sec{background:var(--c-ice-2)}
.hg-case-grid{display:grid;grid-template-columns:1fr 1fr;gap:26px}
.hg-card{
  background:#fff;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);
  display:block;transition:transform var(--trans),box-shadow var(--trans);
}
.hg-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.hg-card img{aspect-ratio:16/9;object-fit:cover;width:100%}
.hg-card-body{padding:26px 28px 28px}
.hg-card-tag{
  display:inline-block;font-size:12px;font-weight:700;color:#fff;background:#4F46E5;
  border-radius:6px;padding:3px 12px;margin-bottom:12px;letter-spacing:1px;
}
.hg-card-body h3{font-size:18.5px;margin-bottom:8px}
.hg-card-body p{color:var(--c-text-2);font-size:14px;margin:0}

/* ---------- FAQ ---------- */
.hg-faq-sec{background:#fff}
.hg-faq{max-width:820px;margin:0 auto;display:grid;gap:14px}
.hg-faq-item{
  background:var(--c-ice-2);border-radius:12px;padding:18px 26px;
}
.hg-faq-item summary{
  list-style:none;display:flex;align-items:center;justify-content:space-between;gap:16px;
  cursor:pointer;font-weight:700;color:var(--c-primary);font-size:16px;
}
.hg-faq-item summary::-webkit-details-marker{display:none}
.hg-faq-item summary i{
  flex-shrink:0;width:26px;height:26px;border-radius:50%;background:#4F46E5;position:relative;transition:transform .3s;
}
.hg-faq-item summary i::before{content:"";position:absolute;left:6px;right:6px;top:12px;height:2px;background:#fff}
.hg-faq-item summary i::after{content:"";position:absolute;top:6px;bottom:6px;left:12px;width:2px;background:#fff;transition:opacity .3s}
.hg-faq-item[open] summary i::after{opacity:0}
.hg-faq-item p{margin:12px 0 2px;color:var(--c-text-2);font-size:14.5px;line-height:1.8}

/* 移动端当前行业高亮 */
.mnav-sub a.cur{color:var(--c-accent)!important;font-weight:700!important}

/* ---------- 响应式 ---------- */
@media (max-width:992px){
  .hg-hero-wrap{grid-template-columns:1fr;gap:40px}
  .hg-safe-wrap{grid-template-columns:1fr;gap:36px}
  .hg-grid{grid-template-columns:1fr}
  .hg-case-grid{grid-template-columns:1fr}
  .hg-export{padding:32px 26px}
}