/* ═══════════════════════════════════════════
   Prototype Extensions — 新增模块组件
   严格沿用 style.css 的设计变量与节奏
   ═══════════════════════════════════════════ */

/* ── 产品实拍图容器（替代原 icon 视觉位） ── */
.product-row-visual.product-photo {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 28px;
  overflow: hidden;
}
.product-row-visual.product-photo img {
  max-width: 100%;
  max-height: 380px;
  object-fit: contain;
  filter: drop-shadow(0 24px 48px rgba(0, 0, 0, 0.6));
  transition: transform 0.6s var(--ease-out);
}
.product-row:hover .product-row-visual.product-photo img {
  transform: scale(1.05) translateY(-6px);
}

/* ── 参数规格条 ── */
.spec-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 10px;
  margin: 22px 0 26px;
}
.spec-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  transition: border-color 0.3s, background 0.3s;
}
.spec-item:hover {
  border-color: var(--border-hover);
  background: rgba(255, 255, 255, 0.07);
}
.spec-value {
  display: block;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
}
.spec-label {
  font-size: 0.72rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
}

/* ── 卖点清单 ── */
.check-list {
  list-style: none;
  margin: 18px 0 0;
  display: grid;
  gap: 10px;
}
.check-list li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.55;
}
.check-list li i {
  color: var(--accent);
  font-size: 0.8rem;
  margin-top: 5px;
  flex-shrink: 0;
}
.check-list li strong { color: var(--text); font-weight: 500; }

/* ── 合作伙伴横向滚动条 ── */
.logo-marquee {
  position: relative;
  overflow: hidden;
  padding: 10px 0 6px;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}
.logo-track {
  display: flex;
  gap: 16px;
  width: max-content;
  animation: marquee 32s linear infinite;
}
.logo-chip {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 12px 22px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface);
  font-size: 0.82rem;
  color: var(--text-muted);
  white-space: nowrap;
  transition: color 0.3s, border-color 0.3s;
}
.logo-chip i { color: var(--text-dim); font-size: 0.9rem; }
.logo-chip:hover { color: var(--text); border-color: var(--border-hover); }
@keyframes marquee {
  to { transform: translateX(-50%); }
}
@media (prefers-reduced-motion: reduce) {
  .logo-track { animation: none; }
}

/* ── 专利 / 证书墙 ── */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 16px;
}
.cert-card {
  position: relative;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
  padding: 12px;
  overflow: hidden;
  transition: transform 0.4s var(--ease-out), border-color 0.3s;
}
.cert-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-hover);
}
.cert-card img {
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  border-radius: calc(var(--radius) - 6px);
  display: block;
  background: #fff;
}
.cert-card span {
  display: block;
  margin-top: 10px;
  font-size: 0.75rem;
  color: var(--text-muted);
  letter-spacing: 0.03em;
  line-height: 1.4;
}

/* ── 合作案例大卡 ── */
.case-card {
  position: relative;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  overflow: hidden;
  transition: transform 0.4s var(--ease-out), border-color 0.3s, background 0.3s;
}
.case-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
}
.case-card .case-cover {
  position: relative;
  height: 260px;
  overflow: hidden;
}
.case-card .case-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease-out);
  opacity: 0.9;
}
.case-card:hover .case-cover img { transform: scale(1.06); }
.case-card .case-cover::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0) 40%, rgba(0,0,0,0.85));
}
.case-card .case-tag {
  position: absolute;
  top: 16px;
  left: 16px;
  z-index: 2;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border);
  font-size: 0.72rem;
  color: var(--text);
  letter-spacing: 0.06em;
}
.case-card .case-body { padding: 24px 26px 28px; }
.case-card .case-body h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  margin-bottom: 10px;
}
.case-card .case-body p {
  font-size: 0.86rem;
  color: var(--text-muted);
  line-height: 1.65;
}
.case-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 20px;
}

/* ── 图库（赛事/活动） ── */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}
.gallery-item {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  aspect-ratio: 4 / 3;
}
.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease-out);
  opacity: 0.9;
}
.gallery-item:hover img { transform: scale(1.05); opacity: 1; }
.gallery-item span {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 34px 16px 14px;
  background: linear-gradient(180deg, transparent, rgba(0,0,0,0.85));
  font-size: 0.78rem;
  color: var(--text);
  letter-spacing: 0.03em;
}

/* ── 职教服务：业务板块卡 ── */
.board-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 18px;
}
.board-card {
  position: relative;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  padding: 28px 26px;
  overflow: hidden;
  transition: transform 0.4s var(--ease-out), border-color 0.3s, background 0.3s;
}
.board-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent);
  opacity: 0;
  transition: opacity 0.4s;
}
.board-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
}
.board-card:hover::before { opacity: 1; }
.board-card .board-num {
  font-family: var(--font-display);
  font-size: 0.8rem;
  color: var(--accent);
  letter-spacing: 0.1em;
  margin-bottom: 14px;
  display: block;
}
.board-card h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  margin-bottom: 12px;
}
.board-card ul {
  list-style: none;
  display: grid;
  gap: 8px;
}
.board-card ul li {
  font-size: 0.82rem;
  color: var(--text-muted);
  padding-left: 14px;
  position: relative;
  line-height: 1.5;
}
.board-card ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 9px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--text-dim);
}

/* ── 实训室清单 ── */
.lab-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 12px;
}
.lab-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  font-size: 0.85rem;
  color: var(--text-muted);
  transition: color 0.3s, border-color 0.3s;
}
.lab-item i { color: var(--accent); font-size: 0.95rem; }
.lab-item:hover { color: var(--text); border-color: var(--border-hover); }

/* ── 学·创·赛 三步卡 ── */
.flow-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
}
.flow-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  padding: 26px;
  transition: transform 0.4s var(--ease-out), border-color 0.3s;
}
.flow-card:hover { transform: translateY(-4px); border-color: var(--border-hover); }
.flow-card .flow-char {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 700;
  line-height: 1;
  background: linear-gradient(135deg, var(--text), var(--text-dim));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 14px;
  display: block;
}
.flow-card h3 { font-family: var(--font-display); font-size: 1.05rem; margin-bottom: 10px; }
.flow-card p { font-size: 0.83rem; color: var(--text-muted); line-height: 1.65; }

/* ── 淘宝商城入口 ── */
.mall-card {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 22px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  transition: border-color 0.3s, background 0.3s;
}
.mall-card:hover { border-color: var(--border-hover); background: rgba(255,255,255,0.07); }
.mall-card .mall-icon {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: var(--accent-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 1.1rem;
  flex-shrink: 0;
}
.mall-card h3 { font-size: 0.95rem; margin-bottom: 4px; }
.mall-card p { font-size: 0.78rem; color: var(--text-muted); }

/* ── 领导关怀横条 ── */
.care-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
}
.care-item {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  aspect-ratio: 4 / 3;
}
.care-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.85;
  transition: opacity 0.3s, transform 0.6s var(--ease-out);
}
.care-item:hover img { opacity: 1; transform: scale(1.04); }
.care-item span {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 30px 14px 12px;
  background: linear-gradient(180deg, transparent, rgba(0,0,0,0.9));
  font-size: 0.76rem;
  color: var(--text);
}

/* ── 响应式补充 ── */
@media (max-width: 760px) {
  .spec-grid { grid-template-columns: repeat(2, 1fr); }
  .product-row-visual.product-photo img { max-height: 220px; }
  .case-card .case-cover { height: 190px; }
  .cert-grid { grid-template-columns: repeat(2, 1fr); }
}