/* ===== LAYOUT.CSS — 导航、栅格、响应式 ===== */

/* === 顶部导航 === */
.nav {
  position: sticky; top: 0; z-index: 200;
  background: rgba(250,248,245,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border-light);
  height: 60px;
  display: flex; align-items: center;
}
.nav__inner {
  max-width: 1200px; margin: 0 auto;
  width: 100%; padding: 0 var(--space-8);
  display: flex; align-items: center; justify-content: space-between;
}
.nav__logo {
  font-size: var(--text-lg);
  font-weight: var(--weight-bold);
  color: var(--color-brand);
  letter-spacing: 0.05em;
  display: flex; align-items: center; gap: var(--space-2);
}
.nav__logo-dot {
  width: 8px; height: 8px;
  background: var(--color-brand);
  border-radius: 50%;
  display: inline-block;
}
.nav__actions { display: flex; align-items: center; gap: var(--space-3); }
.nav__cta {
  min-height: 38px;
  padding: 0 17px;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #fbf8f1;
  border: 1px solid rgba(17,17,17,0.16);
  color: #111111;
  font-size: var(--text-sm);
  font-weight: 650;
  transition: transform var(--transition-fast), background var(--transition-fast);
}
.nav__cta:hover {
  transform: translateY(-1px);
  background: #ffffff;
}

/* === Hero 区 === */
.hero {
  background: var(--color-brand);
  padding: var(--space-16) var(--space-8);
  position: relative; overflow: hidden;
}
.hero__inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between; gap: var(--space-8);
}
.hero__content { flex: 1; max-width: 720px; }
.hero__label {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  color: rgba(255,255,255,0.6);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: var(--space-4);
}
.hero__title {
  font-size: var(--text-4xl);
  font-weight: var(--weight-bold);
  color: var(--color-text-inverse);
  line-height: var(--leading-tight);
  margin-bottom: var(--space-4);
}
.hero__title-normal { font-weight: var(--weight-bold); color: rgba(255,255,255,0.45); display: block; }
.hero__title em { font-style: normal; color: #fff; display: block; font-weight: var(--weight-bold); }
.hero__subtitle {
  font-size: var(--text-base);
  color: rgba(255,255,255,0.65);
  line-height: var(--leading-normal);
  margin-bottom: var(--space-8);
  max-width: 600px;
}
.hero__subtitle p { margin: 0; }
.hero__subtitle p + p { margin-top: var(--space-4); }
.hero__badge {
  display: inline-flex; align-items: center; gap: var(--space-2);
  background: rgba(255,255,255,0.12);
  color: rgba(255,255,255,0.85);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  border: 1px solid rgba(255,255,255,0.15);
}
.hero__badge-dot {
  width: 6px; height: 6px;
  background: #6FCF97; border-radius: 50%;
  flex-shrink: 0;
  box-shadow: 0 0 0 3px rgba(111,207,151,0.2);
}
.hero__deco {
  flex-shrink: 0;
  width: 240px; height: 240px;
  display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-3);
}
.hero__deco-block {
  border-radius: var(--radius-xl);
  opacity: 0.15;
}
.hero__deco-block:nth-child(1) { background: #E8DDD0; }
.hero__deco-block:nth-child(2) { background: #D0DDE8; margin-top: var(--space-6); }
.hero__deco-block:nth-child(3) { background: #D8E8D0; margin-top: calc(-1 * var(--space-6)); }
.hero__deco-block:nth-child(4) { background: #E8D0D8; }

/* === 筛选栏 === */
.filter-bar {
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  position: sticky; top: 60px; z-index: 100;
}
.filter-bar__inner {
  max-width: 1200px; margin: 0 auto;
  padding: var(--space-4) var(--space-8);
  display: flex; align-items: center; gap: var(--space-4); flex-wrap: wrap;
}
.filter-tabs {
  display: flex; gap: var(--space-2); flex-wrap: wrap;
}
.filter-tab {
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: var(--weight-medium);
  color: var(--color-text-secondary);
  background: transparent;
  border: 1px solid var(--color-border);
  transition: all var(--transition-fast);
  white-space: nowrap;
}
.filter-tab:hover { background: var(--color-surface-warm); }
.filter-tab.active {
  background: var(--color-brand);
  color: var(--color-text-inverse);
  border-color: var(--color-brand);
}
.filter-bar__search {
  margin-left: auto;
  position: relative;
}
.filter-search-input {
  padding: var(--space-2) var(--space-4) var(--space-2) var(--space-8);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  background: var(--color-surface);
  font-size: var(--text-sm);
  color: var(--color-text-primary);
  width: 200px;
  transition: all var(--transition-fast);
  outline: none;
}
.filter-search-input:focus {
  border-color: var(--color-brand-light);
  box-shadow: 0 0 0 3px rgba(44,74,62,0.08);
  width: 260px;
}
.filter-search-icon {
  position: absolute; left: var(--space-3); top: 50%;
  transform: translateY(-50%);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
  pointer-events: none;
}

/* === 主内容容器 === */
.container {
  max-width: 1200px; margin: 0 auto;
  padding: 0 var(--space-8);
}
.section { padding: var(--space-12) 0; }

/* === 岗位卡片栅格 === */
.jobs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

/* === 页脚 === */
.footer {
  border-top: 1px solid var(--color-border);
  padding: var(--space-8) 0;
  text-align: center;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}
.footer a { color: var(--color-brand-light); }
.footer a:hover { text-decoration: underline; }

/* === 空状态 === */
.empty-state {
  text-align: center; padding: var(--space-16) var(--space-8);
  color: var(--color-text-muted);
}
.empty-state__icon { font-size: 3rem; margin-bottom: var(--space-4); }
.empty-state__title {
  font-size: var(--text-lg); font-weight: var(--weight-medium);
  color: var(--color-text-secondary); margin-bottom: var(--space-2);
}
.empty-state__desc { font-size: var(--text-sm); }

/* === 面包屑 === */
.breadcrumb {
  display: flex; align-items: center; gap: var(--space-2);
  font-size: var(--text-sm); color: var(--color-text-muted);
  padding: var(--space-4) 0;
}
.breadcrumb a:hover { color: var(--color-brand); }
.breadcrumb__sep { color: var(--color-border); }
.breadcrumb__current { color: var(--color-text-secondary); }

/* === 响应式 === */
@media (max-width: 1024px) {
  .jobs-grid { grid-template-columns: repeat(2, 1fr); }
  .hero__deco { display: none; }
  .hero__title { font-size: var(--text-3xl); }
}

@media (max-width: 768px) {
  .nav__inner, .filter-bar__inner,
  .container { padding-left: var(--space-5); padding-right: var(--space-5); }
  .jobs-grid { grid-template-columns: 1fr; }
  .hero { padding: var(--space-12) var(--space-5); }
  .hero__title { font-size: var(--text-2xl); }
  .hero__subtitle { font-size: var(--text-sm); }
  .filter-bar__search { margin-left: 0; width: 100%; }
  .filter-search-input { width: 100% !important; }
}