.ppn-industry {
  position: relative;
  padding: 34px 30px;
  border-radius: var(--ppn-radius-l);
  background: var(--ppn-surface);
  border: 1px solid var(--ppn-line);
  box-shadow: var(--ppn-shadow-s);
  transition: transform 0.35s var(--ppn-ease), box-shadow 0.35s var(--ppn-ease), border-color 0.35s var(--ppn-ease);
}
.ppn-industry:hover {
  transform: translateY(-8px);
  box-shadow: var(--ppn-shadow-l);
  border-color: rgba(0, 194, 168, 0.32);
}
.ppn-industry h3 { margin-bottom: 12px; }
.ppn-industry p { color: var(--ppn-muted); font-size: 0.96rem; }
.ppn-industry:hover .ppn-icon-badge { transform: translateY(-4px) rotate(-6deg); }

.ppn-case-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 30px; }

.ppn-case {
  display: flex;
  flex-direction: column;
  border-radius: var(--ppn-radius-xl);
  background: var(--ppn-surface);
  border: 1px solid var(--ppn-line);
  box-shadow: var(--ppn-shadow-s);
  overflow: hidden;
  transition: transform 0.38s var(--ppn-ease), box-shadow 0.38s var(--ppn-ease);
}
.ppn-case:hover { transform: translateY(-8px); box-shadow: var(--ppn-shadow-l); }
.ppn-case-media { overflow: hidden; }
.ppn-case-media img { width: 100%; border-radius: 0; transition: transform 0.6s var(--ppn-ease); }
.ppn-case:hover .ppn-case-media img { transform: scale(1.05); }

.ppn-case-body { padding: 32px 30px 34px; }
.ppn-case-tag {
  display: inline-block;
  margin-bottom: 16px;
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--ppn-primary-soft);
  color: var(--ppn-primary);
  font-family: var(--ppn-font-head);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.ppn-case-body h3 { margin-bottom: 12px; }
.ppn-case-body > p { color: var(--ppn-muted); font-size: 0.97rem; margin-bottom: 22px; }

.ppn-case-meta { display: grid; gap: 16px; padding-top: 20px; border-top: 1px solid var(--ppn-line); }
.ppn-case-meta strong {
  display: block;
  margin-bottom: 5px;
  font-family: var(--ppn-font-head);
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ppn-primary);
}
.ppn-case-meta span { font-size: 0.94rem; color: var(--ppn-body); }

.ppn-tech-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.ppn-tech {
  padding: 30px 28px;
  border-radius: var(--ppn-radius-l);
  background: var(--ppn-surface-alt);
  border: 1px solid var(--ppn-line);
}
.ppn-tech h4 {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  font-size: 1.05rem;
}
.ppn-tech h4 i { color: var(--ppn-primary); font-size: 1rem; }

.ppn-tag-row { display: flex; flex-wrap: wrap; gap: 10px; }
.ppn-tag-row span {
  padding: 8px 16px;
  border-radius: 999px;
  background: #FFFFFF;
  border: 1px solid var(--ppn-line);
  font-size: 0.86rem;
  font-weight: 500;
  color: var(--ppn-ink-2);
  transition: border-color 0.28s var(--ppn-ease), color 0.28s var(--ppn-ease), transform 0.28s var(--ppn-ease);
}
.ppn-tag-row span:hover {
  border-color: var(--ppn-secondary);
  color: #05887A;
  transform: translateY(-2px);
}

.ppn-result-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.ppn-result {
  padding: 28px 24px;
  border-radius: var(--ppn-radius-l);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  transition: background 0.32s var(--ppn-ease), transform 0.32s var(--ppn-ease);
}
.ppn-result:hover { background: rgba(255, 255, 255, 0.11); transform: translateY(-5px); }
.ppn-result .ppn-stat-num { color: #FFFFFF; font-size: clamp(1.9rem, 3vw, 2.4rem); margin-bottom: 12px; }
.ppn-result .ppn-stat-num span { color: var(--ppn-secondary); }
.ppn-result p { font-size: 0.9rem; color: rgba(255, 255, 255, 0.64); line-height: 1.6; }

@media (max-width: 900px) {
  .ppn-case-grid { grid-template-columns: 1fr; }
  .ppn-tech-grid { grid-template-columns: 1fr; }
}

@media (max-width: 620px) {
  .ppn-result-grid { grid-template-columns: 1fr; }
  .ppn-case-body { padding: 26px 22px 28px; }
  .ppn-tech { padding: 26px 22px; }
}