/* ========================================
   宠王子·PetKing 产业基地页面样式
   主色调：#E7161A（红） / #CC853C（金）
   ======================================== */

.base-page {
  --bp-primary: #E7161A;
  --bp-primary-dark: #B51B16;
  --bp-primary-900: #7C110D;
  --bp-secondary: #CC853C;
  --bp-secondary-light: #E8A96A;
  --bp-ink: #241C16;
  --bp-ink-2: #4A4038;
  --bp-muted: #8A8075;
  --bp-cream: #FBF7F1;
  --bp-cream-2: #F5EFE6;
  --bp-surface: #FFFFFF;
  --bp-border: #EBE4DA;
  --bp-shadow: 0 24px 60px rgba(36, 28, 22, 0.10);
  --bp-shadow-sm: 0 4px 16px rgba(36, 28, 22, 0.06);
  --bp-radius: 22px;
  --bp-ease: cubic-bezier(0.16, 1, 0.3, 1);
}

/* ---- Header overrides for subpage (red header, white text) ---- */
.base-page .site-header {
  background: var(--bp-primary);
  border-bottom-color: rgba(255, 255, 255, 0.18);
}

.base-page .brand,
.base-page .brand-name {
  color: #fff;
}

.base-page .brand-logo {
  filter: brightness(0) invert(1);
}

.base-page .nav-link,
.base-page .lang-switch {
  color: rgba(255, 255, 255, 0.92);
}

.base-page .nav-link:hover,
.base-page .nav-link:focus,
.base-page .nav-link.active,
.base-page .lang-switch:hover,
.base-page .lang-switch:focus {
  color: #fff;
  background: rgba(255, 255, 255, 0.16);
}

.base-page .hamburger-bar {
  background: #fff;
}

.base-page .nav-toggle:hover,
.base-page .nav-toggle:focus {
  background: rgba(255, 255, 255, 0.16);
}

/* 移动端菜单展开后恢复深色文字 */
.base-page .site-header .nav-menu.open .nav-link,
.base-page .site-header .nav-menu.open .lang-switch {
  color: var(--text-secondary);
}

.base-page .site-header .nav-menu.open .nav-link:hover,
.base-page .site-header .nav-menu.open .nav-link:focus,
.base-page .site-header .nav-menu.open .nav-link.active,
.base-page .site-header .nav-menu.open .lang-switch:hover,
.base-page .site-header .nav-menu.open .lang-switch:focus {
  color: var(--bp-primary);
  background: var(--bp-cream);
}

.base-page .site-header .nav-toggle[aria-expanded="true"] .hamburger-bar {
  background: var(--text);
}

/* ---- Hero ---- */
.base-hero {
  position: relative;
  min-height: 60vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  color: #fff;
  overflow: hidden;
  padding-top: var(--header-height-mobile);
}

.base-hero-bg {
  position: absolute;
  inset: 0;
  background-image: url("../images/base-hero.webp");
  background-size: cover;
  background-position: center;
  z-index: 0;
}

.base-hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(124, 17, 13, 0.55) 0%, rgba(124, 17, 13, 0.42) 40%, rgba(36, 28, 22, 0.72) 100%);
  z-index: 1;
}

.base-hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  padding: var(--space-12) var(--space-5) var(--space-8);
}

.base-hero-eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--bp-secondary-light);
  margin-bottom: var(--space-4);
}

.base-hero-title {
  font-size: clamp(2.2rem, 6vw, 4rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-4);
  text-shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
}

.base-hero-subtitle {
  font-size: clamp(1.1rem, 2.5vw, 1.6rem);
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--bp-secondary-light);
  margin-bottom: var(--space-4);
}

.base-hero-desc {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.88);
  max-width: 52ch;
  margin: 0 auto;
  line-height: 1.8;
}

/* ---- Sticky anchor nav ---- */
.base-anchor-nav {
  position: sticky;
  top: var(--header-height-mobile);
  z-index: 100;
  width: 100%;
  background: #fff;
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--bp-border);
  box-shadow: var(--bp-shadow-sm);
}

.base-anchor-inner {
  display: flex;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  max-width: 1280px;
  margin: 0 auto;
  overflow-x: auto;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.base-anchor-inner::-webkit-scrollbar {
  display: none;
}

.base-anchor-link {
  flex-shrink: 0;
  padding: var(--space-2) var(--space-4);
  border-radius: 999px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--bp-ink-2);
  background: transparent;
  transition: color 0.2s, background 0.2s;
}

.base-anchor-link:hover,
.base-anchor-link:focus {
  color: var(--bp-primary);
  background: var(--bp-cream-2);
}

/* ---- Sections ---- */
.base-detail {
  position: relative;
  padding: var(--space-16) var(--space-5);
  background: var(--bp-surface);
  scroll-margin-top: calc(var(--header-height-mobile) + 64px);
}

.base-detail-alt {
  background: var(--bp-cream);
}

.base-section-inner {
  max-width: 1280px;
  margin: 0 auto;
}

.base-overview {
  padding: var(--space-16) var(--space-5);
  background: linear-gradient(
    135deg,
    var(--bp-primary) 0%,
    var(--bp-primary-dark) 55%,
    var(--bp-primary-900) 100%
  );
  color: #fff;
  scroll-margin-top: calc(var(--header-height-mobile) + 64px);
}

.base-section-header {
  margin-bottom: var(--space-10);
}

.base-section-header.center {
  text-align: center;
}

.base-section-header.center .base-section-subtitle {
  margin-left: auto;
  margin-right: auto;
}

.base-section-eyebrow {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--bp-secondary);
  text-transform: uppercase;
  margin-bottom: var(--space-3);
}

.base-overview .base-section-eyebrow {
  color: var(--bp-secondary-light);
}

.base-section-title {
  font-size: clamp(1.85rem, 4vw, 2.75rem);
  font-weight: 800;
  line-height: 1.15;
  color: var(--bp-primary);
  margin-bottom: var(--space-4);
}

.base-overview .base-section-title {
  color: #fff;
}

.base-section-subtitle {
  font-size: 1.05rem;
  color: var(--bp-muted);
  max-width: 56ch;
  line-height: 1.7;
}

.base-overview .base-section-subtitle {
  color: rgba(255, 255, 255, 0.85);
}

/* ---- Two-column text + image ---- */
.base-two-col {
  display: grid;
  gap: var(--space-8);
  align-items: center;
}

.base-text {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.base-text p {
  font-size: 1rem;
  line-height: 1.9;
  color: var(--bp-ink-2);
}

.base-text strong {
  color: var(--bp-ink);
  font-weight: 700;
}

.base-lead {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--bp-ink);
  line-height: 1.7;
}

.base-media {
  margin: 0;
  border-radius: var(--bp-radius);
  overflow: hidden;
  box-shadow: var(--bp-shadow);
  background: var(--bp-cream-2);
}

.base-media img {
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 16 / 10;
}

/* ---- Data list per base ---- */
.base-data-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-2) var(--space-6);
  padding: var(--space-5);
  margin-top: var(--space-4);
  background: var(--bp-cream-2);
  border-radius: var(--radius-lg);
  border-left: 4px solid var(--bp-primary);
}

.base-data-list li {
  font-size: 0.9375rem;
  color: var(--bp-ink-2);
  line-height: 1.6;
}

.base-data-list strong {
  color: var(--bp-primary);
  font-weight: 700;
}

/* ---- Sub-blocks (for 楚雄 4地块) ---- */
.base-sub-blocks {
  display: grid;
  gap: var(--space-4);
  margin-top: var(--space-3);
}

.base-sub-blocks dt {
  font-size: 1rem;
  font-weight: 800;
  color: var(--bp-primary);
  margin-bottom: var(--space-1);
}

.base-sub-blocks dd {
  font-size: 0.9375rem;
  color: var(--bp-ink-2);
  line-height: 1.75;
  padding-left: var(--space-4);
  border-left: 2px solid var(--bp-border);
}

/* ---- Overview stats grid ---- */
.base-stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-5);
  margin-top: var(--space-8);
}

.base-stat-card {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--bp-radius);
  padding: var(--space-6) var(--space-5);
  text-align: center;
  backdrop-filter: blur(8px);
}

.base-stat-number {
  display: block;
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 900;
  color: var(--bp-secondary-light);
  line-height: 1.1;
  margin-bottom: var(--space-2);
  font-variant-numeric: tabular-nums; /* 等宽数字：计数滚动时避免宽度抖动 */
}

/* 数字计数完成后的轻微回弹（仅在允许动效时播放） */
@keyframes base-stat-pop {
  0%   { transform: scale(1); }
  35%  { transform: scale(1.12); }
  100% { transform: scale(1); }
}

@media (prefers-reduced-motion: no-preference) {
  .base-stat-card.is-counted .base-stat-number {
    animation: base-stat-pop 0.45s var(--ease-out) both;
  }
}

.base-stat-label {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.78);
  letter-spacing: 0.04em;
}

/* ---- CTA Section ---- */
.base-cta {
  padding: var(--space-20) var(--space-5);
  background:
    radial-gradient(circle at 15% 18%, rgba(226, 33, 28, 0.08), transparent 45%),
    radial-gradient(circle at 85% 82%, rgba(181, 27, 22, 0.06), transparent 50%),
    var(--bp-cream);
  text-align: center;
}

.base-cta-content {
  max-width: 720px;
  margin: 0 auto;
}

.base-cta-title {
  font-size: clamp(1.85rem, 4vw, 2.75rem);
  font-weight: 900;
  color: var(--bp-primary);
  margin-bottom: var(--space-5);
  line-height: 1.2;
}

.base-cta-desc {
  font-size: 1.05rem;
  color: var(--bp-muted);
  line-height: 1.9;
  margin-bottom: var(--space-8);
}

.base-cta-actions {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
  flex-wrap: wrap;
}

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: 1.05rem;
  border-radius: 999px;
}

.btn-outline {
  background: transparent;
  color: var(--bp-primary);
  border: 2px solid var(--bp-primary);
  box-shadow: none;
}

.btn-outline:hover,
.btn-outline:focus {
  background: var(--bp-primary);
  color: #fff;
  box-shadow: 0 8px 24px rgba(226, 33, 28, 0.25);
}

/* ---- Footer 样式已统一收敛至 style.css（全站共用，与首页一致） ---- */

/* ---- 移动端：8 个基地选项卡不横滑，4×2 宫格一屏全展示 ---- */
@media (max-width: 980px) {
  .base-anchor-inner {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-2);
    padding: var(--space-3) var(--space-4);
    overflow-x: visible;
  }

  .base-anchor-link {
    flex-shrink: 1;
    text-align: center;
    white-space: nowrap;
    font-size: 0.8rem;
    padding: 0.45rem 0.25rem;
  }

  /* 宫格变高（约两行），补偿锚点定位偏移，避免标题被 sticky 导航遮挡 */
  .base-detail,
  .base-overview {
    scroll-margin-top: calc(var(--header-height-mobile) + 120px);
  }
}

/* ---- Responsive: tablet ---- */
@media (min-width: 980px) {
  .base-hero {
    min-height: 55vh;
    padding-top: var(--header-height);
  }

  .base-anchor-nav {
    top: var(--header-height);
  }

  .base-anchor-inner {
    justify-content: center;
    padding: var(--space-4) var(--space-8);
  }

  .base-detail {
    padding: var(--space-20) var(--space-8);
    scroll-margin-top: calc(var(--header-height) + 64px);
  }

  .base-overview {
    scroll-margin-top: calc(var(--header-height) + 64px);
  }

  .base-two-col {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
  }

  .base-two-col-reversed .base-media {
    order: -1;
  }

  .base-stats-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .base-data-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ---- Responsive: desktop ---- */
@media (min-width: 1024px) {
  .base-detail {
    padding: var(--space-24) var(--space-12);
  }

  .base-stats-grid {
    grid-template-columns: repeat(6, 1fr);
  }

  .base-data-list {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ---- Responsive: large desktop ---- */
@media (min-width: 1280px) {
  .base-section-inner {
    max-width: 1360px;
  }

  .base-two-col {
    gap: var(--space-20);
  }
}

/* ---- Reduced motion ---- */
@media (prefers-reduced-motion: reduce) {
  .base-media img {
    transition: none;
  }
}