:root{
  --about-bg:#e8eff5;
  --about-card:#ffffff;
  --about-main:#f7fcfb;
  --about-ink:#0f172a;
  --about-sub:#475569;
  --about-brand:#2f80ed;
  --about-outline:#d9efea;
  --about-shadow:0 10px 30px rgba(17,24,39,.08);
}

body{
  background:var(--about-bg);
  color:var(--about-ink);
}

.about-shell{
  max-width:1180px;
  margin:26px auto 44px;
  padding:0 14px;
}

.about-grid{
  display:grid;
  grid-template-columns:minmax(0,2fr) minmax(280px,1fr);
  gap:24px;
  align-items:start;
}

.about-main-card{
  background:var(--about-main);
  border:1px solid var(--about-outline);
  border-radius:24px;
  padding:16px;
  box-shadow:var(--about-shadow);
}

.about-hero-box{
  position:relative;
  border-radius:18px;
  overflow:hidden;
  min-height:330px;
  background:linear-gradient(135deg,#bde4d6,#b4d7ce);
}

.about-hero-box img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:block;
}

.about-hero-chip{
  position:absolute;
  left:16px;
  bottom:16px;
  background:rgba(15,23,42,.82);
  color:#fff;
  border-radius:999px;
  padding:8px 14px;
  font-size:.86rem;
  font-weight:800;
  letter-spacing:.02em;
}

.about-content-card{
  margin-top:18px;
  background:var(--about-card);
  border:1px solid #e2e8f0;
  border-radius:18px;
  padding:20px;
}

.about-title{
  margin:0;
  font-size:2rem;
  line-height:1.08;
  color:var(--about-ink);
  font-weight:900;
}

.about-subtitle{
  margin:8px 0 0;
  color:var(--about-sub);
  font-weight:600;
}

.about-text{
  margin-top:14px;
  color:#1e293b;
  line-height:1.75;
}

.about-tag-row{
  margin-top:16px;
  display:flex;
  flex-wrap:wrap;
  gap:8px;
}

.about-tag{
  border:1px solid #c7d2fe;
  background:#eef2ff;
  color:#1e3a8a;
  border-radius:999px;
  padding:6px 10px;
  font-size:.82rem;
  font-weight:700;
}

.about-map-card{
  margin-top:18px;
  background:var(--about-card);
  border:1px solid #e2e8f0;
  border-radius:18px;
  padding:16px;
}

.about-map-title{
  margin:0 0 10px;
  color:var(--about-ink);
  font-size:1.1rem;
  font-weight:900;
}

.about-map-wrap{
  border-radius:14px;
  overflow:hidden;
  background:#f8fbff;
  border:1px solid #dbeafe;
}

.about-map-img{
  width:100%;
  height:auto;
  display:block;
}

.about-map-caption{
  margin:10px 0 0;
  color:var(--about-sub);
  font-size:.93rem;
}

.about-side-card{
  background:var(--about-card);
  border:1px solid #e2e8f0;
  border-radius:20px;
  box-shadow:var(--about-shadow);
  padding:14px;
  position:sticky;
  top:150px;
}

.about-side-title{
  margin:0;
  font-size:1.35rem;
  color:var(--about-ink);
  font-weight:900;
}

.about-side-text{
  margin:8px 0 14px;
  color:var(--about-sub);
  line-height:1.6;
}

.about-action-btn{
  width:100%;
  margin-bottom:10px;
  border:0;
  border-radius:14px;
  text-decoration:none;
  color:#fff;
  background:linear-gradient(135deg,#34d399,#10b981);
  font-size:1.02rem;
  font-weight:800;
  padding:13px 12px;
  box-shadow:0 10px 18px rgba(16,185,129,.25);
  display:flex;
  align-items:center;
  justify-content:center;
  transition:transform .18s ease, box-shadow .18s ease;
}

.about-action-btn:hover{
  color:#fff;
  transform:translateY(-2px);
  box-shadow:0 12px 20px rgba(16,185,129,.33);
}

.about-action-btn--alt{
  background:linear-gradient(135deg,#2dd4bf,#14b8a6);
  box-shadow:0 10px 18px rgba(20,184,166,.25);
}

.about-action-btn--alt:hover{
  box-shadow:0 12px 20px rgba(20,184,166,.33);
}

.about-action-btn--ghost{
  background:#eef2ff;
  color:#1e3a8a;
  box-shadow:none;
  border:1px solid #c7d2fe;
}

.about-action-btn--ghost:hover{
  color:#1e3a8a;
  box-shadow:0 10px 20px rgba(30,58,138,.1);
}

@media (max-width:980px){
  .about-grid{
    grid-template-columns:1fr;
  }

  .about-side-card{
    position:static;
    top:auto;
  }
}

@media (max-width:680px){
  .about-title{
    font-size:1.58rem;
  }

  .about-hero-box{
    min-height:220px;
  }

  .about-content-card,
  .about-map-card{
    padding:14px;
  }
}