/* ============================================================
 * dev-portfolio · 样式模块
 * 作品卡片：游戏 / 应用 / 博客
 * ------------------------------------------------------------
 * 由 index.html 内联代码拆分而来，内容未做改写。
 * ============================================================ */
/* ==================== Games Section ==================== */
.games-section { background: var(--white); }

.project-card {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 3rem;
  align-items: center;
  margin-bottom: 5rem;
  padding: 2rem;
  background: var(--cream);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
  border: 1px solid rgba(0,0,0,0.03);
  transition: all var(--transition);
}
.project-card:last-child { margin-bottom: 0; }
.project-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }

.project-card:nth-child(even) .project-visual { order: -1; }

.project-visual {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 16/10;
  box-shadow: var(--shadow-md);
  background: var(--navy);
}
.project-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.project-card:hover .project-visual img { transform: scale(1.05); }

.project-visual-overlay {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 1rem 1.2rem;
  background: linear-gradient(transparent, rgba(0,0,0,0.7));
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.tech-tag {
  padding: 0.25rem 0.7rem;
  font-size: 0.72rem;
  font-weight: 600;
  font-family: var(--font-mono);
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(8px);
  color: white;
  border-radius: 6px;
  border: 1px solid rgba(255,255,255,0.2);
}

.play-overlay {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 64px; height: 64px;
  background: rgba(255, 107, 71, 0.9);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition);
  z-index: 2;
  box-shadow: var(--shadow-coral);
}
.play-overlay:hover { transform: translate(-50%, -50%) scale(1.15); background: var(--coral); }
.play-overlay svg { width: 28px; height: 28px; fill: white; margin-left: 3px; }

.project-info { padding: 0.5rem 0; }
.project-number {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--coral);
  font-weight: 500;
  margin-bottom: 0.6rem;
}
.project-info h3 {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 0.4rem;
}
.project-subtitle {
  font-size: 0.95rem;
  color: var(--coral);
  font-weight: 500;
  margin-bottom: 1rem;
}
.project-desc {
  font-size: 0.95rem;
  color: var(--text-light);
  line-height: 1.7;
  margin-bottom: 1.2rem;
}

.feature-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 1.5rem;
  list-style: none;
}
.feature-chip {
  padding: 0.35rem 0.8rem;
  font-size: 0.8rem;
  font-weight: 500;
  background: white;
  border: 1px solid var(--cream-dark);
  border-radius: 20px;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.project-links {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}
.link-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.65rem 1.3rem;
  font-size: 0.88rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}
.link-btn.play {
  background: var(--coral);
  color: white;
  box-shadow: 0 4px 16px rgba(255,107,71,0.3);
}
.link-btn.play:hover { background: var(--coral-dark); transform: translateY(-2px); }
.link-btn.source {
  background: white;
  color: var(--navy);
  border: 2px solid var(--cream-dark);
}
.link-btn.source:hover { border-color: var(--navy); transform: translateY(-2px); }
.link-btn svg { width: 18px; height: 18px; }

/* ==================== App Prototype Section ==================== */
.app-section { background: var(--cream); }

.app-card {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 3rem;
  align-items: center;
  padding: 2rem;
  background: linear-gradient(135deg, var(--cream-dark), white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(255,107,71,0.06);
}
.app-preview {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 3/4;
  box-shadow: var(--shadow-lg);
  background: linear-gradient(180deg, #FFF0E8, #FFE0D0);
}
.app-preview img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.app-mockup-frame {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 78%;
  max-width: 280px;
  background: white;
  border-radius: 20px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.15);
  overflow: hidden;
  aspect-ratio: 9/16;
}
.app-mockup-frame iframe { width: 100%; height: 100%; border: none; }

/* ==================== Blog Section ==================== */
.blog-section { background: var(--white); }
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 1.5rem;
}
.blog-card {
  padding: 2rem;
  background: var(--cream);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(0,0,0,0.03);
  transition: all var(--transition);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}
.blog-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--coral), var(--gold));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}
.blog-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.blog-card:hover::before { transform: scaleX(1); }

.blog-date {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-mute);
  margin-bottom: 0.8rem;
}
.blog-card h3 {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 0.6rem;
  line-height: 1.3;
}
.blog-card p {
  font-size: 0.9rem;
  color: var(--text-light);
  line-height: 1.6;
  margin-bottom: 1rem;
}
.blog-tags { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.blog-tag {
  font-size: 0.72rem;
  font-weight: 500;
  padding: 0.2rem 0.6rem;
  background: rgba(255,107,71,0.08);
  color: var(--coral-dark);
  border-radius: 6px;
}
.blog-read {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--coral);
  display: flex;
  align-items: center;
  gap: 0.3rem;
  margin-top: 1rem;
  transition: gap var(--transition);
}
.blog-card:hover .blog-read { gap: 0.6rem; }