/* ==========================================================================
   style.css — 页面级布局与响应式（首页 / 分类页 / 详情页）
   设计基准宽度 1440，分区高度按 03-ui/compare-log.md 的预算落位
   ========================================================================== */

@media (max-width: 1180px) {
  .category-grid { grid-template-columns: repeat(4, 1fr); }
  .fit-grid { grid-template-columns: repeat(3, 1fr); }
  .notes-grid { grid-template-columns: 1fr 1fr 1fr; }
  .revisions { grid-column: 1 / -1; padding-left: 0; border-left: 0; border-top: 1px solid var(--line-soft); padding-top: 8px; }
  .module-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .main-nav ul { gap: 12px; }
  .main-nav a { font-size: 13.5px; }
}

@media (max-width: 900px) {
  :root { --h-hero: auto; --h-categories: auto; --h-buying: auto; --h-featured: auto; --h-driver: auto; --h-fit: auto; --h-notes: auto; --h-footer: auto; --h-header: 68px; }

  .header-inner { gap: 14px; }
  .main-nav { margin-left: 0; flex: 1; min-width: 0; overflow-x: auto; scrollbar-width: none; -webkit-overflow-scrolling: touch; }
  .main-nav::-webkit-scrollbar { display: none; }
  .main-nav ul { gap: 16px; padding-right: 12px; }
  .main-nav a { display: inline-block; padding: 4px 0; font-size: 13px; }
  .main-nav .nav-drop { display: none !important; }
  .menu-toggle { display: none; }
  .nav-note { display: none; }

  .hero { min-height: 0; padding-block: 0; flex-direction: column; align-items: stretch; }
  .hero-media { position: relative; inset: auto; width: 100%; height: 250px; order: 2; margin-top: -10px; }
  .hero-media::after { background: linear-gradient(180deg, var(--bg) 0%, rgba(13, 24, 36, 0.15) 50%, rgba(13, 24, 36, 0.85) 100%); }
  .hero-inner { width: 100%; padding-block: 28px 20px; }
  .hero-media img { object-position: 55% 50%; }

  .category-grid { grid-template-columns: repeat(3, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); gap: 18px 20px; }
  .steps li + li::before { display: none; }
  .featured-grid { grid-template-columns: 1fr; }
  .feature-link { grid-template-columns: 34% 1fr; }
  .table-wrap { overflow-x: auto; }
  table { min-width: 620px; }
  .fit-grid { grid-template-columns: repeat(2, 1fr); }
  .notes-grid { grid-template-columns: 1fr 1fr; gap: 14px 18px; }
  .footer-main { flex-direction: column; gap: var(--space-5); }
  .footer-brand, .footer-links, .footer-about { flex: 0 0 auto; width: 100%; min-width: 0; }
  .footer-links ul { grid-template-columns: repeat(4, auto); }
}

@media (max-width: 560px) {
  :root { --gutter: 18px; --fs-lede: 15.5px; }
  .brand-name { font-size: 18px; }
  .header-inner { height: 66px; }
  .hero-eyebrow { font-size: 32px; }
  .hero h1 { font-size: 32px; }
  .hero-media { height: 210px; }
  .hero-actions .btn { flex: 1 1 auto; justify-content: center; }
  .category-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .module-grid { grid-template-columns: 1fr; }
  .module-head h2 { font-size: 19px; }
  .cat-name { font-size: 15px; }
  .section-head-center h2 { gap: 12px; }
  .steps { grid-template-columns: 1fr; }
  .feature-link { grid-template-columns: 1fr; }
  .feature-thumb { aspect-ratio: 16 / 8; }
  .fit-grid { grid-template-columns: 1fr; }
  .notes-grid { grid-template-columns: 1fr; }
  .footer-links ul { grid-template-columns: repeat(2, auto); }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: 6px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .001ms !important; transition-duration: .001ms !important; }
}

/* ---------- 内页响应式 ---------- */
@media (max-width: 1180px) {
  .post-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .article-layout { grid-template-columns: 200px minmax(0, 1fr); gap: 28px; }
  .page-hero-inner { gap: var(--space-5); }
  .related-list { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  .page-hero-inner { grid-template-columns: 1fr; padding-block: 22px 24px; }
  .page-hero-media { max-width: 520px; aspect-ratio: 16 / 8; }
  .list-toolbar { top: 65px; }
  .toolbar-inner { flex-wrap: wrap; padding-block: 8px; gap: 8px 16px; }
  .sort-group { margin-left: 0; }
  .post-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .description-grid { grid-template-columns: 1fr; gap: 10px; }
  .cross-grid { grid-template-columns: 1fr; }
  .article-layout { grid-template-columns: 1fr; gap: 16px; padding-block: 20px 24px; }
  .article-toc { position: static; }
  .article-toc ol { display: flex; flex-wrap: wrap; gap: 6px 12px; border-left: 0; }
  .article-toc a { padding: 4px 10px; border: 1px solid var(--line-soft-2); border-radius: var(--pill); }
  .article-toc a[aria-current="true"] { border-color: var(--gold); }
  .article { max-width: none; }
  .related-list { grid-template-columns: 1fr; }
}

@media (max-width: 560px) {
  .page-hero h1 { font-size: 34px; }
  .page-stats { gap: 20px; }
  .post-grid { grid-template-columns: 1fr; }
  .list-head { flex-direction: column; gap: 2px; }
  .article-head h1 { font-size: 28px; }
  .article-lead { font-size: 16px; }
  .article-body > p { font-size: 15.5px; }
  .related-card { grid-template-columns: 34% 1fr; }
}