/* ============================================
   分类详情页样式
   ============================================ */

/* --- 分类 Hero --- */
.cat-hero {
  position: relative;
  padding: 120px 0 60px;
  min-height: 380px;
  overflow: hidden;
}
.cat-hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  z-index: 0;
}
.cat-hero-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(13,17,23,0.92) 0%, rgba(27,42,74,0.88) 100%);
}
.cat-hero-content {
  position: relative;
  z-index: 1;
}
.cat-breadcrumb {
  margin-bottom: 20px;
  font-size: 14px;
  color: var(--color-text-secondary);
}
.cat-breadcrumb a {
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color 0.2s;
}
.cat-breadcrumb a:hover {
  color: #FF6B35;
}
.cat-breadcrumb-sep {
  margin: 0 8px;
  color: var(--color-border);
}
.cat-hero-icon {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  font-size: 32px;
  background: rgba(255,107,53,0.15);
  border: 1px solid rgba(255,107,53,0.3);
}
.cat-hero-title {
  font-size: 48px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 12px;
  line-height: 1.2;
}
.cat-hero-desc {
  font-size: 18px;
  color: var(--color-text-secondary);
  max-width: 640px;
  line-height: 1.6;
  margin-bottom: 24px;
}
.cat-hero-stats {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
}
.cat-hero-stat {
  display: flex;
  flex-direction: column;
}
.cat-hero-stat-value {
  font-size: 28px;
  font-weight: 700;
  color: #FF6B35;
  font-variant-numeric: tabular-nums;
}
.cat-hero-stat-label {
  font-size: 13px;
  color: var(--color-text-secondary);
  margin-top: 2px;
}

/* --- 通用 Section --- */
.cat-section {
  padding: 80px 0;
  position: relative;
}
.cat-section-alt {
  background: var(--color-bg-alt);
}
.cat-section-title {
  font-size: 32px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 40px;
  text-align: center;
}

/* --- 热门项目 --- */
.cat-projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.cat-project-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  overflow: hidden;
  transition: transform 0.3s ease-out, box-shadow 0.3s ease-out;
}
.cat-project-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(255,107,53,0.15);
  border-color: rgba(255,107,53,0.4);
}
.cat-project-img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  opacity: 0.85;
  transition: opacity 0.3s;
}
.cat-project-card:hover .cat-project-img {
  opacity: 1;
}
.cat-project-body {
  padding: 20px;
}
.cat-project-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 8px;
}
.cat-project-desc {
  font-size: 13px;
  color: var(--color-text-secondary);
  line-height: 1.5;
  margin-bottom: 12px;
}
.cat-project-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.cat-project-salary {
  font-size: 18px;
  font-weight: 700;
  color: #2EC4B6;
  font-variant-numeric: tabular-nums;
}
.cat-project-bids {
  font-size: 12px;
  color: var(--color-text-secondary);
}
.cat-project-tags {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}
.cat-project-tag {
  font-size: 11px;
  padding: 3px 8px;
  background: rgba(255,107,53,0.1);
  color: #FF6B35;
  border-radius: 4px;
  border: 1px solid rgba(255,107,53,0.2);
}

/* --- 技能需求 --- */
.cat-skills-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.cat-skill-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 20px;
  text-align: center;
  transition: transform 0.3s ease-out, border-color 0.3s;
}
.cat-skill-card:hover {
  transform: translateY(-2px);
  border-color: rgba(255,107,53,0.4);
}
.cat-skill-icon {
  font-size: 28px;
  margin-bottom: 10px;
}
.cat-skill-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 4px;
}
.cat-skill-demand {
  font-size: 12px;
  color: #2EC4B6;
}
.cat-skill-bar {
  width: 100%;
  height: 4px;
  background: var(--color-border);
  border-radius: 2px;
  margin-top: 10px;
  overflow: hidden;
}
.cat-skill-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, #FF6B35, #2EC4B6);
  border-radius: 2px;
  transition: width 1s ease-out;
}

/* --- 薪资范围 --- */
.cat-salary-chart {
  display: flex;
  flex-direction: column;
  gap: 20px;
  max-width: 700px;
  margin: 0 auto;
}
.cat-salary-row {
  display: flex;
  align-items: center;
  gap: 16px;
}
.cat-salary-level {
  width: 100px;
  font-size: 14px;
  color: var(--color-text-secondary);
  text-align: right;
  flex-shrink: 0;
}
.cat-salary-bar-wrap {
  flex: 1;
  height: 32px;
  background: var(--color-card);
  border-radius: 6px;
  overflow: hidden;
  position: relative;
}
.cat-salary-bar-fill {
  height: 100%;
  border-radius: 6px;
  background: linear-gradient(90deg, #1B2A4A, #FF6B35);
  transition: width 1.2s ease-out;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding-right: 12px;
}
.cat-salary-amount {
  font-size: 13px;
  font-weight: 600;
  color: #fff;
  white-space: nowrap;
}

/* --- 如何开始 --- */
.cat-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.cat-step {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: 32px 24px;
  text-align: center;
  position: relative;
}
.cat-step-num {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(255,107,53,0.15);
  color: #FF6B35;
  font-size: 20px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}
.cat-step-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 8px;
}
.cat-step-desc {
  font-size: 13px;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

/* --- CTA --- */
.cat-cta {
  padding: 80px 0;
  background: linear-gradient(135deg, #1B2A4A 0%, #0D1117 100%);
  text-align: center;
}
.cat-cta-title {
  font-size: 36px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 12px;
}
.cat-cta-desc {
  font-size: 18px;
  color: var(--color-text-secondary);
  margin-bottom: 32px;
}
.cat-cta-btn {
  display: inline-block;
  padding: 14px 40px;
  font-size: 16px;
  text-decoration: none;
}

/* ============================================
   响应式
   ============================================ */
@media (max-width: 992px) {
  .cat-hero-title { font-size: 36px; }
  .cat-projects-grid { grid-template-columns: repeat(2, 1fr); }
  .cat-skills-grid { grid-template-columns: repeat(3, 1fr); }
  .cat-steps { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .cat-hero { padding: 100px 0 40px; min-height: 300px; }
  .cat-hero-title { font-size: 28px; }
  .cat-hero-desc { font-size: 15px; }
  .cat-hero-stats { gap: 20px; }
  .cat-hero-stat-value { font-size: 22px; }
  .cat-section { padding: 50px 0; }
  .cat-section-title { font-size: 24px; margin-bottom: 28px; }
  .cat-projects-grid { grid-template-columns: 1fr; }
  .cat-skills-grid { grid-template-columns: repeat(2, 1fr); }
  .cat-steps { grid-template-columns: 1fr; }
  .cat-salary-level { width: 70px; font-size: 12px; }
  .cat-cta-title { font-size: 24px; }
  .cat-cta-desc { font-size: 15px; }
}
@media (max-width: 480px) {
  .cat-hero-title { font-size: 22px; }
  .cat-skills-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .cat-hero-stats { flex-direction: column; gap: 12px; }
}