:root {
  --green: #2d7a4f;
  --green-light: #e8f5ee;
  --green-border: #a8d5b8;
}

.green-sub { color: var(--green) !important; }

.tag-green { background: #e8f5ee; color: #1e5c38; }

.green-banner {
  background: var(--white);
  border: 1px solid var(--green-border);
  border-left: 4px solid var(--green);
  border-radius: 0 var(--radius) var(--radius) 0;
  padding: 1.6rem 2rem;
  animation: fadeUp 0.7s 0.2s ease both;
}

.green-banner .project-banner-title { color: var(--black); }
.green-banner .project-banner-role { color: #555; }

.green-heading::before {
  background: var(--green) !important;
}

.detail-list li {
  border-left-color: var(--green) !important;
}

.detail-list li strong { color: var(--black); }
/* 证明材料图片网格 */
.proof-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}

.proof-card {
  border: 1px solid var(--green-border);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
}

.proof-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(45,122,79,0.12);
}

.proof-card img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  object-position: top;
  display: block;
}

.proof-label {
  padding: 0.6rem 0.8rem;
  font-size: 0.82rem;
  color: var(--green);
  background: var(--green-light);
  text-align: center;
}

/* 放大灯箱 */
.lightbox {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.85);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.lightbox.active { display: flex; }

.lightbox img {
  max-width: 90%;
  max-height: 90vh;
  border-radius: 8px;
  object-fit: contain;
}

.lightbox-close {
  position: fixed;
  top: 1.5rem;
  right: 2rem;
  color: #fff;
  font-size: 1.5rem;
  cursor: pointer;
  opacity: 0.7;
  transition: opacity 0.2s;
}

.lightbox-close:hover { opacity: 1; }